WO2007119645A1 - 位置情報提供システム、位置情報提供装置および送信機 - Google Patents
位置情報提供システム、位置情報提供装置および送信機 Download PDFInfo
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- WO2007119645A1 WO2007119645A1 PCT/JP2007/057384 JP2007057384W WO2007119645A1 WO 2007119645 A1 WO2007119645 A1 WO 2007119645A1 JP 2007057384 W JP2007057384 W JP 2007057384W WO 2007119645 A1 WO2007119645 A1 WO 2007119645A1
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- Prior art keywords
- signal
- position information
- information providing
- transmitter
- data
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/206—Instruments for performing navigational calculations specially adapted for indoor navigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/11—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Definitions
- Position information providing system Position information providing apparatus and transmitter
- the present invention relates to a technique for providing position information. More specifically, the present invention can not receive the signal transmitted from the satellite that transmits the positioning signal! / Concerning technology to provide location information as well.
- GPS Global Positioning System
- GPS signals satellites
- the user can measure the distance between the GPS satellite and the user by receiving and demodulating the signal emitted from the GPS satellite. Therefore, if there is no obstacle between the ground and the GPS satellites, positioning using signals transmitted from the GPS satellites is possible.
- GPS satellites for example, when using GPS in an urban area, a building standing in a forest is an obstacle, and the user's location information providing apparatus often can not receive the signal transmitted by GPS satellite power. Also, due to signal distortion or reflection from the building, errors in distance measurement using the signal are generated, and as a result, the accuracy of positioning is degraded.
- the above-mentioned phenomenon is generally applicable to a positioning system using satellites.
- the satellite positioning system is not limited to GPS, and includes, for example, GLONASS (GLOobal NA vigation Satellite System) in the Russian Republic, and Galileo in Europe.
- GLONASS GLOobal NA vigation Satellite System
- Galileo Galileo in Europe.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2006-67086
- Patent Document 1 Japanese Patent Application Publication No. 2006-67086
- the reader or the writer is unique to the system that provides the position information, and is said to be versatile. There is a problem. Also, in order to avoid interference, it is necessary to suppress transmission power, the range in which position information can be received is limited, continuous position information can not be acquired, and a large number of transmissions are required to cover a wide range. There was a problem that a machine was needed.
- a technique may be considered in which a plurality of transmitters capable of transmitting signals similar to GPS signals are disposed in a room, and the position is determined based on the principle of three-side survey similar to GPS.
- the time of each transmitter needs to be synchronized, which causes a problem that the transmitter becomes expensive.
- the present invention has been made to solve the above-mentioned problems, and its object is to reduce the accuracy even in a place where it can not receive satellite power radio waves that transmit positioning signals.
- Another object of the present invention is to provide a position information providing system that provides position information without having to provide position information based on a signal that does not require synchronization with the time of the satellite that transmits the signal for positioning. It is providing a provision system.
- Another object of the present invention is to provide a position information providing apparatus capable of providing position information without degrading the accuracy even if the satellite can not receive radio waves of satellite power that transmits signals for positioning. is there.
- Another object is to provide a position information providing device capable of providing position information based on a signal which does not require synchronization with the time of a satellite transmitting a signal for positioning.
- Another object of the present invention is to provide a transmitter capable of transmitting a signal providing position information without lowering the accuracy even if the satellite can not receive radio waves of the satellite power transmitting the signal for positioning. It is.
- Another object is to provide a transmitter capable of transmitting a signal that provides position information based on a signal that does not require synchronization with the time of the satellite that transmits the signal for positioning.
- a position information providing system for providing position information.
- the system comprises a transmitter.
- the transmitter is a storage unit for storing position data for specifying the location where the transmitter is installed, a generator for generating a first positioning signal having position data as a spread spectrum signal, and a spread spectrum signal And a transmitting unit.
- the position information providing system further includes a position information providing device. The position information providing device receives by the receiver based on the receiver that receives the spread spectrum signal, the storage that stores the code pattern of the first positioning signal, and the code pattern stored in the storage.
- the identifying unit that identifies the code pattern corresponding to the spread spectrum signal and the signal demodulated using the symbol pattern identified by the identifying unit
- an acquisition unit that acquires position data from the demodulated signal when the first positioning signal is received, and an output unit that outputs the position data acquired by the acquisition unit.
- the format of the first positioning signal is the same as the format of the second positioning signal emitted by the satellite transmitting the positioning signal, and the navigation message contained in the second positioning signal is included. Includes location data instead of sage.
- the position information providing device further stores a code pattern for each second positioning signal in the storage unit.
- the location information storage device is And a calculating unit that calculates the position of the position information providing device based on each navigation message when a plurality of second positioning signals are received.
- the center frequency of the coded positioning signal is 1574. 42 MHz.
- the spread frequency of the positioning signal is 1.023 MHz.
- a position information providing device for providing position information.
- the apparatus includes a receiving unit that receives a spread spectrum signal, and a storage unit that stores a code pattern of the first positioning signal.
- the first positioning signal is transmitted from a transmitter installed at a predetermined location and includes position data for identifying the location.
- This apparatus uses a specifying unit that specifies a code pattern corresponding to the spread spectrum signal received by the receiving unit based on the code pattern stored in the storage unit, and a code pattern specified by the specifying unit.
- a determination unit that determines whether a first positioning signal has been received based on the demodulated signal, and, when the first positioning signal is received, acquires position data from the demodulated signal.
- An acquisition unit and an output unit that outputs position data acquired by the acquisition unit.
- the format of the first positioning signal is the same as the format of the second positioning signal emitted by the satellite transmitting the positioning signal
- the navigation message included in the second positioning signal is Includes location data instead of sage.
- the position information providing device further stores, in the storage unit, each code pattern of each of the second positioning signals transmitted from the plurality of satellites. Each code pattern is different for each satellite.
- the position information providing device further includes a calculating unit that calculates the position of the position information providing device based on each navigation message when the plurality of second positioning signals are received.
- the receiving unit receives each first positioning signal transmitted from a transmitter installed at each of a plurality of predetermined locations.
- the position information providing apparatus further includes a detection unit that detects the strength of the signal received by the reception unit.
- the acquisition unit identifies, from among the first positioning signals, the first positioning signal having the largest intensity, and acquires position data included in the identified first positioning signal.
- the position data includes information indicating a place where the transmitter is installed.
- the output unit includes a display unit that displays the location where the transmitter is installed based on the information.
- the position data includes identification data that identifies the transmitter.
- the identification data and the transmission request of the position information of the transmitter are transmitted via the communication line to the server device that provides the position information in response to the external force request. It has a transmitter.
- the position information and the identification data are associated with each other and stored in the server device.
- the apparatus further includes an input unit that receives an input of position information transmitted by the server device in response to the transmission request via the communication line.
- the output unit includes a display unit for displaying position information.
- the position information providing device includes any of a mobile phone, a portable information terminal, a portable positioning device, and a positioning system mounted on a vehicle.
- the transmitter is connected to a timing device that outputs time information.
- the positioning signal transmitted from the transmitter includes time data representing a time synchronized with the time of the clocking device.
- the position information providing device further measures a time and outputs a time information, and a calibration unit that calibrates the time of the timekeeping unit based on the time data included in the positioning signal received by the reception unit. Prepare.
- the position information providing device includes: a storage unit storing attribute data representing an attribute of the position information providing device; and an information providing device capable of transmitting information according to the attribute data based on the request.
- the information processing apparatus further includes: a request unit that transmits a distribution request for information according to the attribute data; and an input unit that receives an input of the information transmitted by the information providing apparatus based on the distribution request.
- the output unit includes a display unit that displays information.
- a transmitter generates a signal having position data as a spread spectrum signal, a storage unit storing position data for specifying a location where the transmitter is installed, and the like.
- a generation unit and a transmission unit that transmits a spread spectrum signal are included in the transmission unit.
- the generation unit generates, as a spread spectrum signal, a signal of the same type as a positioning signal transmitted by a satellite transmitting a signal for positioning.
- position information can be provided using the! /! Signal in synchronization with the time of the satellite.
- FIG. 1 is a diagram showing a configuration of a position information providing system 10 according to a first embodiment of the present invention.
- FIG. 2 is a block diagram showing a hardware configuration of an indoor transmitter 200-1.
- FIG. 3 is a diagram conceptually showing an aspect of storage of data in an EEPROM 240 provided in the indoor transmitter 200-1.
- FIG. 4 It is a block diagram showing the hardware constitutions of position information provision apparatus 100-1.
- FIG. 5 is a diagram showing a positioning signal transmitted from a transmitter.
- FIG. 6 is a flowchart showing the procedure of processing performed by the position information providing device 100.
- FIG. 7 is a diagram showing a display of a screen on a display 440 of the position information providing device 100.
- FIG. 8 is a diagram (part 1) illustrating the configuration of signals in another aspect of the first embodiment of the present invention.
- FIG. 9 is a second diagram showing a configuration of signals in another aspect of the first embodiment of the present invention.
- FIG. 10 is a block diagram showing a configuration of a position information providing device 1000 according to a modification of the first embodiment of the present invention.
- FIG. 11 is a view showing a scene in which a position information providing device according to a modification of the first embodiment of the present invention is used.
- FIG. 12 is a view showing a usage mode of the position information providing device according to the second embodiment of the present invention.
- FIG. 13 is a block diagram showing a hardware configuration of a mobile phone 1200 according to a third embodiment of the present invention.
- FIG. 14 is a block diagram showing a hardware configuration of an information providing server 1230 according to a third embodiment of the present invention.
- FIG. 15 is a diagram conceptually showing an aspect of storage of data in hard disk 1450 included in information providing server 1230.
- 10 position information providing system 110, 111, 112 GPS satellites, 120, 121, 122 transmission Aircraft, 100-1, 100-2, 100-3, 100-4, 1000, 1160, 1170 Position information providing device, 130 buildings, 200-1, 200-2, 200-3, 1110, 1120, 1130, 1210 Indoor transmitter, 1010, 1308 antenna, 1140, 1150 area, 1220 Internet, 1382 memory card, 1462 CD-ROM.
- FIG. 1 is a diagram showing the configuration of a position information providing system 10.
- the position information providing system 10 flies at an altitude of about 20,000 meters above the ground, and transmits a signal for positioning (hereinafter referred to as "positioning signal").
- GPS Global Positioning Satellite
- position information providing device 100-1 to L00-4 that functions as a device for providing position information.
- the position information providing device 100 is, for example, a terminal having a conventional positioning device, such as a mobile phone, a car navigation system, and other mobile positioning devices.
- the positioning signal is a so-called spread spectrum signal, for example, V, a so-called GPS signal.
- V a so-called GPS signal.
- the signal is not limited to the GPS signal.
- the positioning system will be described using GPS as an example, but the present invention is also applicable to other satellite positioning systems (Galileo, GLONASS, etc.).
- the central frequency of the positioning signal is, for example, 1574. 42 MHz.
- the spread frequency of the positioning signal is, for example, 1.023 MHz.
- the frequency of the positioning signal is the same as the frequency of the CZA (Coarse and Access) signal in the L1 band of the existing GPS. Therefore, since the existing positioning signal reception circuit (for example, GPS signal reception circuit) can be diverted, the position information providing apparatus 100 can receive the positioning signal without adding a new circuit.
- the positioning signal may be modulated by 1.023 MHz square wave. In this case, for example, if the L1 band is identical to the data channel of the positioning signal for which a new transmission is planned, the user uses a receiver capable of receiving and processing a new GPS signal. It can receive the positioning signal.
- the frequency of the rectangular wave is not limited to 1.023 MHz.
- the frequency for modulation can be determined by the trade-off between the existing CZA signal and the spectral separation to avoid interference with Z or other signals.
- the GPS satellite 110 is equipped with a transmitter 120 for transmitting a positioning signal.
- the same transmitters 121, 122, and 123 are also mounted on the GPS satellites 111, 112, and 113, respectively.
- the position information providing devices 100-2, 100-3, and 100-4 having the same functions as the position information providing device 100-1 can be used even in a building 130 or other places where radio waves are difficult to reach.
- the building 130 has an indoor transmitter 200-1 attached to the ceiling of the first floor of the building 130.
- the position information providing device 100-4 receives a positioning signal transmitted from the indoor transmitter 200-1.
- indoor transmitters 200-2 and 200-3 are attached to the ceilings of the second and third floors of the building 130, respectively.
- the time IJ (hereinafter referred to as "ground time lj") of each indoor transmitter 200-1, 200-2, and 200-3, and the time of GPS satellites 110, 111, 112, 113 ( “Satellite time” is independent of each other and does not have to be synchronized. Each satellite time is preferably synchronized with one another.
- a spread spectrum signal transmitted as a positioning signal from each transmitter is generated by modulating a navigation message with a pseudo random noise (PRN) code.
- Navigation messages include time data, orbit information, almanac, ionospheric correction data, etc.
- Each transmitter 120 further includes data (PRN-ID (Identificati on)) for identifying the transmitter 120 itself or the GPS satellite on which the transmitter 120 is mounted.
- the position information providing device 100 has data and code generators for generating each pseudo noise code.
- the position information providing device 100 executes a demodulation process to be described later using the code pattern of the pseudo noise code assigned to each satellite, and transmits the received signal to which satellite power.
- Each of the transmitters 120, 121, and 122 includes an atomic clock, a storage device for storing data, an oscillation circuit, a processing circuit for generating a positioning signal, and a signal generated by the processing circuit. It has a code transfer circuit for spreading code transfer, a transmitting antenna and the like.
- the storage device stores navigation messages including phemeris, almanac of each satellite, ionospheric correction data and the like, and PRN-ID.
- the processing circuit generates a transmission message by using time information from the atomic clock and each data stored in the storage device.
- each transmitter 120 a code pattern of a pseudo noise code for performing spread spectrum coding is defined in advance. Each code pattern is different for each transmitter (ie each GPS satellite).
- the coding circuit spreads the message by using such a pseudo noise code.
- the transmitter 120 converts the encoded signal to a high frequency and transmits it to space via a transmitting antenna.
- transmitter 120 emits a spread spectrum signal without causing harmful interference with other transmitters.
- “does not cause harmful interference” can be secured by a power level limited to a degree that does not cause interference. Alternatively, it can be realized by an aspect of separating the spectrum.
- This signal is transmitted by a carrier wave called, for example, L1 band.
- Each transmitter 120, 121, 122 transmits, for example, positioning signals having the same frequency in accordance with the spread spectrum communication system. Therefore, even when the positioning signal transmitted from each satellite is received by the position information providing apparatus 100-1, the respective positioning signals are received without interference. Also for the positioning signal from the indoor transmitter on the ground, the signals from the multiple indoor transmitters can be received without interference with each other, similarly to the signals transmitted from the satellites.
- the indoor transmitter 200-1 will be described with reference to FIG. Figure 2 shows an indoor transmitter 200
- FIG. 1 is a block diagram showing a hardware configuration of 1.
- the indoor transmitter 200-1 has a digital processing block 210 and a digital processing block 210.
- the digital processing block 210 includes a central processing unit (CPU) 220 and a random access memory (RAM) 230.
- the EEPROM 240 stores a program executed by the CPU 220, data representing a place where the indoor transmitter 200-1 is installed, and the like.
- the program or data is read from the EEPROM 240 and transferred to the RAM 230 when the indoor transmitter 200-1 is activated.
- the EEPROM 240 can also store data input from the outside of the indoor transmitter 200-1.
- the storage device for storing programs or data is not limited to the EEPROM 240. At least a storage device that can store data in a non-volatile manner may be used. In addition, as described later, in the case where external data is input, any storage device can be used as long as the data can be written.
- the data structure of the EEPROM 240 will be described later.
- the digital processing block 210 generates data as a source of the signal transmitted by the indoor transmitter 200-1 as a signal for positioning. Digital processing block 210 sends the generated data as a bitstream to analog processing block 290.
- the clock 280 provides the digital processing block 210 with a clock signal that defines the operation of the CPU 220 or a clock signal for generating a carrier wave.
- Digital input / output interface 260 may monitor the internal state of the transmitter (eg, the "PLL Cntrl" signal). Alternatively, the digital input / output interface 260 may externally input the pseudo noise code code pattern for spread modulation of the signal transmitted from the indoor transmitter 200-1, or input the data defining the transmission output. It can be accepted from Furthermore, it is possible to receive other data input to be transmitted from the indoor transmitter 200-1.
- the other data is set, for example, by the indoor transmitter 200-1. It is text data representing the place where it is placed. Alternatively, if the indoor transmitter 200-1 is installed in a department store or other commercial facilities, data for advertisement can be input to the indoor transmitter 200-1 as the other data.
- the code pattern of the pseudo spread code is input to the indoor transmitter 200-1, it is written in a predetermined area in the EEPROM 240. After that, the written PRN-ID is included in the signal for positioning. Other data is also written in the EEPROM 240 in accordance with the type of the data.
- the UART 250 is used to tune the indoor transmitter 200-1.
- the external clock 270 like the UART 250, is used to adjust the indoor transmitter 200-1.
- the external clock 270 is also used to receive the frequency input from the power line (not shown) and calibrate the transmission frequency of the signal for positioning.
- the analog processing block 290 modulates the 1. 57542 GHz carrier wave using the bit stream output from the digital processing block 210 to generate a transmission signal and sends it to the antenna 292.
- the signal is emitted from the antenna 292.
- a signal having the same configuration as the signal for positioning is emitted from indoor transmitter 200-1.
- the content of the signal is not exactly the same as the content included in the positioning signal transmitted from the satellite.
- FIG. 5 An example of the configuration of the signal transmitted from the indoor transmitter 200-1 will be described later (FIG. 5).
- the power supply 294 supplies power to each component of the indoor transmitter 200-1.
- the power supply 2 94 may be built in the indoor transmitter 200-1, as shown in FIG. 2, or may be in a mode of receiving supply of power from the outside.
- the CPU 220 is used as an arithmetic processing unit for realizing the processing in the digital processing block 210, but another arithmetic processing unit may be used. Further, since the operation realized by the indoor transmitter 200-1 is not complicated, the digital processing block 210 can be realized by, for example, an electric circuit configured to realize each process instead of the CPU 220.
- the clock signal (Clk) may be supplied directly from the digital processing block 210 to the analog processing block 290 directly to the analog processing block 290.
- the digital processing block 210 and the analog processing block 290 are separately shown in force physically in one chip. It may be mixed.
- FIG. 3 conceptually shows an aspect of data storage in EEPROM 240 provided in indoor transmitter 200-1.
- the EEPROM 240 includes areas 310 to 340 for storing data.
- a transmitter ID is stored as a number for identifying a transmitter.
- the transmitter ID is, for example, a number and a combination of Z or English characters or the like, which are nonvolatilely written to the memory at the time of manufacture of the transmitter.
- the PRN-ID of the pseudo spread code assigned to the transmitter is stored in area 310.
- the transmitter's name is stored in the field 320 as text data.
- the code pattern of the pseudo spreading code assigned to the transmitter is stored in area 330.
- the code pattern of the pseudo spreading code is selected from a limited number of code patterns assigned in advance for the position information providing system according to the embodiment of the present invention. It is a code pattern different from the code pattern. Also, as described above, the code pattern of the pseudo-spreading code can be changed to another code pattern input via the digital input / output interface 260.
- the number of code patterns of the pseudo spreading code allocated for the position information providing system is limited, the number of indoor transmitters is the size of the installation site of each transmitter or the configuration of the installation site ( Depending on the number of floors of the building, etc., several indoor transmitters may be used, which differ depending on the number of code patterns. Thus, there may be multiple transmitters with the same pseudo-spread code pattern. In this case, the installation location of the transmitters having the same code pattern may be determined in consideration of the output of the signal. By doing so, simultaneous reception of a plurality of positioning signals using the same pseudo spread code code pattern by the same position information providing apparatus can be prevented.
- Position data for specifying the location where the indoor transmitter 200-1 is installed is stored in the area 340.
- position data may be a combination of latitude, longitude, and altitude. Is represented.
- an address, a name of a building, etc. may be stored in place of or in place of the position data.
- FIG. 4 is a block diagram showing a hardware configuration of the position information providing device 100-1.
- Position information providing apparatus 100 includes an antenna 402, an RF (Radio Frequency) front circuit 404 electrically connected to antenna 402, and a down converter electrically connected to RF front circuit 404.
- An AZD (Analog to Digital) converter 408 electrically connected to the down converter 406, a baseband processor 410 electrically connected to the AZD converter 408, and an electrically connected to the baseband processor 410.
- a display 440 connected electrically to navigation processor 430 and electrically connected to baseband processor 410!
- the memory 420 includes a plurality of areas for storing code patterns of pseudo noise codes, which are data for identifying each source of positioning signals. As an example, in one aspect, if 48 code patterns are used, memory 420 includes regions 421-1 to 421-48, as shown in FIG. In another aspect, if more code patterns are used, more area memory 420 is reserved. Conversely, less code patterns may be used than the number of areas reserved in the memory 420.
- code patterns are used as an example, for example, when 24 satellites are used for the satellite positioning system, 24 identification data for identifying each satellite, and 12 spare data. And forces are stored in the area 421-1-42-36. At this time, for example, in the area 421-1, the code pattern of the pseudo noise code for the first satellite is stored. From this, by reading out the code pattern and performing cross correlation processing with the received signal, it is possible to track the signal and decode the navigation message contained in the signal.
- the method of storing and reading out the code pattern is exemplarily shown, it is also possible to generate the code pattern by the code pattern generator.
- the code pattern generator is realized, for example, by combining two feedback shift registers. The configuration and operation of the code pattern generator are easy for those skilled in the art. Understandable. Therefore, their detailed description is not repeated here.
- the code pattern of the pseudo noise code assigned to the indoor transmitter that transmits the positioning signal is stored in the area 421-37 to 421-48.
- the code pattern of the assigned pseudo noise code for the first indoor transmitter is stored in region 432-37.
- an indoor transmitter having 12 code patterns can be used, but there is no indoor transmitter that uses the same code pattern in the range that can be received by the same position information providing device.
- each indoor transmitter may be arranged separately. This makes it possible to install more than 12 indoor transmitters, for example on the same floor of the building 130.
- Baseband processor 410 is based on data output from correlating unit 412 that receives an input of a signal output from AZD converter 408, control unit 414 that controls the operation of correlating unit 412, and control unit 414. And a determination unit that determines the source of the positioning signal.
- the navigation processor 430 has an outdoor positioning unit 432 for measuring the position of the position information providing apparatus 100 outdoors based on the signal output from the determination unit 416 and an indoor location based on the data output from the determination unit 416. And an indoor positioning unit 434 for deriving information representing the position of the position information providing apparatus 100.
- the antenna 402 can receive the positioning signal transmitted from the GPS satellites 110, 111, 112 and the positioning signal transmitted from the indoor transmitter 200-1, respectively. Further, when the position information providing device 100 is realized as a mobile phone, the antenna 402 can also transmit and receive a signal for wireless telephone or a signal for data communication in addition to the above-mentioned signals.
- the RF front circuit 404 receives a signal received by the antenna 402, and performs filtering or the like to remove noise or output only a signal of a predetermined bandwidth.
- the signal output from the RF front circuit 404 is input to the down converter 406.
- the down converter 406 amplifies the signal output from the RF front circuit 404 and outputs it as an intermediate frequency. This signal is input to the AZD converter 408.
- the AZD converter 408 performs digital conversion processing on the input intermediate frequency signal, and digital data Convert to Digital data is input to baseband processor 410.
- the correlator unit 412 performs correlation processing between the code pattern read out from the control unit 414 and the force memory 420 and the reception signal. For example, the correlator unit 412 performs matching between two types of code patterns different in code phase provided by the control unit 414 by one bit and digital data transmitted from the AZD converter 408.
- the correlator unit 412 tracks the positioning signal received by the position information providing apparatus 100 using each code pattern, and identifies a code pattern having an arrangement that matches the bit arrangement of the positioning signal. As a result, since the code pattern of the pseudo noise code is specified, the position information providing apparatus 100 can determine which satellite signal the received positioning signal has been transmitted from or the indoor transmitter signal has been transmitted. Can be determined. Also, the position information providing device 100 can perform demodulation and message decoding using the specified code pattern.
- the determination unit 416 makes the above-described determination, and sends data corresponding to the result of the determination to the navigation processor 430.
- the determination unit 416 determines whether the PRN-ID included in the received positioning signal is a PRN-ID assigned to a transmitter other than the transmitter mounted on the GPS satellite.
- PRN-01 to PRN-24 power is used as a number for identifying each GPS satellite (PRN-ID)
- PRN-25 to PRN-36 is used as a number for identifying a spare satellite.
- Spare satellites are satellites that are launched aside from those originally launched. That is, such satellites are launched in preparation for the failure of GPS satellites or transmitters mounted on GPS satellites.
- code patterns of 12 pseudo noise codes are allocated to transmitters other than the transmitters mounted on the GPS satellite (for example, indoor transmitter 200-1 etc.).
- a number different from the PRN-ID assigned to the satellite for example, PRN-37 to PRN-48 is assigned to each transmitter.
- PRN-ID to PRN-48 are assigned to the indoor transmitters, for example, according to the arrangement of each indoor transmitter. Therefore, tentatively, it sends from each indoor transmitter
- the same PRN-ID may be used for different indoor transmitters if the transmission power used is such that the received signals do not interfere. Such an arrangement allows for a greater number of transmitter powers than the number of PRN-IDs allocated for terrestrial transmitters.
- the determination unit 416 refers to the code pattern 422 of the pseudo noise code stored in the memory 420 and assigns the acquired code pattern of the received positioning signal to the indoor transmitter. It is determined whether or not the code pattern is matched. If these code patterns match, the determination unit 416 determines that the positioning signal is transmitted from the indoor transmitter. Otherwise, the determination unit 416 determines that the signal is also transmitted GPS satellite power, and stores in the memory 420 to which satellite the acquired code pattern is assigned. Is determined by referring to the sign pattern. Although an example in which a code pattern is used is shown as an aspect of determination, the above determination may be made by comparison of other data. For example, a comparison using PRN-ID may be used to make that determination.
- the determination unit 416 transmits the data acquired from the specified signal to the outdoor positioning unit 432.
- the data obtained from the signals include navigation messages.
- the determination unit 416 sends out data for which the signal strength is also acquired to the indoor positioning unit 434.
- This data is, in other words, coordinate values preset as data for specifying the position of the indoor transmitter 200-1.
- a number identifying the transmitter may be used.
- the outdoor positioning unit 432 executes a process for calculating the position of the position information providing device 100 based on the data sent from the determination unit 416. Specifically, the outdoor positioning unit 432 calculates the propagation time of each signal using data contained in the signals transmitted from three or more GPS satellites (preferably four or more). The position of the position information providing device 100 is calculated based on the calculation result. This process is performed using a known satellite positioning technique. This process is easily understood by those skilled in the art. Therefore, the details of the description will not be repeated here.
- the indoor positioning unit 434 may be the judgment unit 416 or not.
- positioning processing is executed based on the data output from the above.
- the indoor transmitter 200-1 transmits a positioning signal including data (time data) for specifying a location. Therefore, when the position information providing device 100 receives such a signal, the data contained in the signal can be extracted, and the position information providing device 100 can be set using the data.
- the indoor positioning unit 434 performs this process.
- the data calculated by the outdoor positioning unit 432 or the indoor positioning unit 434 is used for display on the display 440. Specifically, these data are incorporated into data for displaying a screen, and an image representing the measured position or an image for displaying the location where the indoor transmitter 200-1 is installed is generated. And displayed by the display 440.
- FIG. 5 is a diagram showing the configuration of a signal 500 emitted by a transmitter mounted on a GPS satellite.
- the signal 500 is composed of five sub-frames of 300 bits, ie, sub-frames 510-550.
- Subframes 510-550 are repeatedly transmitted by the transmitter.
- Subframes 510 to 550 are, for example, 300 bits each and are transmitted at a bit rate of 50 bps (bit per sec). Therefore, in this case, each subframe is transmitted in 6 seconds.
- the first subframe 510 includes 30-bit transport overhead 511, 30-bit time information 512, and 240-bit message data 513.
- the time information 512 specifically includes time information acquired when the subframe 510 is generated, and a subframe ID.
- the subframe ID is an identification number for distinguishing the first subframe 510 from other subframes.
- the message data 513 includes GPS week number, clock information, health information of the GPS satellite, orbit accuracy information and the like.
- Second sub-frame 520 includes 30-bit transport overhead 521, 30-bit time information 522, and 240-bit message data 523.
- the time information 522 has the same configuration as the time information 512 in the first subframe 510.
- Message data 523 includes ephemeris.
- ephemeris ephemeris, broadcast calendar
- Phemeris the navigation of the satellite It is highly accurate information that is successively updated by the controlling control station.
- the third subframe 530 has the same configuration as the second subframe 520. That is, the third subframe 530 includes a 30-bit transport-over head 531, 30-bit time information 532 and 240-bit message data 533.
- the time information 532 has the same configuration as the time information 512 in the first subframe 510.
- the message data 533 includes ephemeris.
- the fourth subframe 540 includes 30 bits of transport overhead 541, 30 bits of time information 542, and 240 bits of message data 543.
- the message data 543 unlike the other message data 513, 523, 533, includes almanac information, satellite health information summary, ionospheric delay information, UTC (Coordinated Universal Time) parameters, and the like.
- the fifth subframe 550 includes 30-bit transport overhead 551, 30-bit time information 552, and 240-bit message data 553.
- Message data 553 includes almanac information and a summary of satellite information.
- the message data 543 and 553 are each composed of 25 pages, and the above different information is defined for each page.
- the almanac information is information representing the approximate orbit of the satellite, and includes information on all GPS satellites that are not unique to the satellite. If transmission of subframes 510 to 550 is repeated 25 times, the same information is transmitted back to the first page
- Subframes 510 to 550 are transmitted from transmitters 120, 121, and 122, respectively.
- the position of the position information providing apparatus 100 is determined by the maintenance information management information included in the transport overheads 511 to 551, and the time information 512 to 552. , Based on the message data 513 to 553.
- Signal 560 has the same data length as each of message data 513 to 553 included in subframes 510 to 550.
- Signal 560 differs from subframes 510-550 in that it contains data representing the location of the source of signal 560, instead of the orbit information represented as ephemeris (message data 523, 533). That is, signal 560 has 6 bits of PRN—ID 561, 15 bits of transmitter ID 562, X coordinate 563, Y coordinate 564, Z coordinate 565, and altitude correction coefficient (ZM) 566 And include 567 and reserve 568.
- the signal 560 is transmitted by the indoor transmitters 200-1, 200-2, 200-3, etc., in place of the message data 513 553 contained in the subframes 510-550.
- PRN-ID 561 is a code pattern of a group of pseudo noise codes pre-allocated to transmitters (eg, indoor transmitters 200-1, 200-2, 200-3) that are sources of signal 560.
- the PRN-ID 561 is different from the identification number of the code pattern of the group of pseudo noise codes assigned to each transmitter mounted on each GPS satellite, but the code sequence power of the same series is generated code pattern Is the number assigned to.
- the position information providing apparatus acquires any of the code patterns of the pseudo noise code assigned for the indoor transmitter from the received signal 560, and the signal is transmitted from the satellite in subframes 510 to 550. Or the signal 560 transmitted from the indoor transmitter.
- the X coordinate value 563, the Y coordinate value 564 and the Z coordinate value 565 are data representing the position at which the indoor transmitter 200-1 is attached.
- the x-coordinate value 563, the y-coordinate value 564, and the z-coordinate value 565 are represented, for example, as latitude, longitude, and altitude.
- the altitude correction factor 566 is used to correct the altitude specified by the Z coordinate value 565.
- the altitude correction factor 566 is not an essential data item. Therefore, the factor may not be used if accuracy higher than the altitude specified by the Z coordinate value 565 is not required. In this case, for example, data representing “NULL” is stored in the area allocated for the altitude correction coefficient 566.
- FIG. 6 is a flowchart showing a procedure of processing executed by the baseband processor 410 and the navigation processor 430 of the position information providing device 100.
- position information providing apparatus 100 acquires (tracks, captures) a positioning signal.
- the baseband processor 410 receives an input of the received positioning signal (data after digital conversion processing) from the AZD converter 408.
- Base band pro The Sesser 410 generates, as a pseudo noise code replica, code patterns different in code phase in which possible delays are reflected, and detects the presence or absence of correlation between the code pattern and the received positioning signal.
- the number of code patterns to be generated is, for example, twice the number of bits of the code pattern. As an example, if the chip rate is 1023 bits, for example, 2046 code patterns having a delay of 1/2 bit, that is, a code phase difference may be generated. Then, processing for correlating the received signal with each code pattern is performed.
- the baseband processor 410 locks the code pattern when an output having a predetermined intensity or more is detected in the correlation process, and identifies the satellite that has transmitted the positioning signal by the code pattern. it can. There is only one pseudo noise code having the bit arrangement of the code pattern. By this, the pseudo noise code used to spread the received positioning signal is identified.
- the process for correlating the signal acquired by reception with the locally generated code pattern of the replica can also be realized as parallel processing.
- baseband processor 410 identifies the source of the positioning signal. Specifically, based on the PRN-ID associated with the transmitter that uses the code pattern of the pseudo noise code used at the time of modulation to determine the determination unit 416 (for example, in FIG. 4). Memory 420) identify the source of the signal. If the positioning signal is also a signal from the outdoor power, control is transferred to step S620. If the positioning signal is transmitted indoors, control is transferred to step S630. If the plurality of received signals include those emitted from outdoors and indoors, control is transferred to step S640.
- step S620 position information providing apparatus 100 demodulates the positioning signal to acquire data included in the signal.
- outdoor positioning section 432 of navigation processor 430 has a code pattern temporarily stored in memory 420 for the positioning signal (a code pattern for which the above-mentioned “lock” has been performed, The navigation message is acquired from the subframes constituting the signal by superimposing using the “locked code pattern”.
- the outdoor positioning unit 432 acquires four or more acquired Perform normal navigation message processing to calculate position using navigation messages.
- step S 624 outdoor positioning unit 432 executes a process for calculating the position of position information providing apparatus 100 based on the result of the process. For example, in the case where the position information providing device 100 receives each positioning signal from which four or more satellite powers are also transmitted, the calculation of the distance is the orbit of each satellite included in each signal strength navigation message. It is done using information, time information, etc.
- position information providing apparatus 100 when position information providing apparatus 100 receives a positioning signal (outdoor signal) transmitted by a satellite and a signal from an indoor transmitter (indoor signal), the position information providing apparatus 100 receives the signal. (Ie, if step S624 is performed after step S642), distribution for determining the signal used for position calculation is performed, for example, based on the strength of the indoor signal and the outdoor signal. As an example, when the intensity of the indoor signal is larger than the intensity of the outdoor signal, the indoor signal is selected, and the coordinate value included in the indoor signal is set as the position of the position information providing device 100.
- step S630 position information providing apparatus 100 demodulates the positioning signal to acquire data included in the signal.
- the indoor positioning unit 434 acquires message data from subframes constituting the positioning signal by superimposing the locked code pattern on the positioning signal transmitted from the baseband processor 410. Do.
- This message data is included in the positioning signal transmitted by the indoor transmitter, instead of the navigation message contained in the positioning signal transmitted from the satellite.
- the data length of the message data is therefore preferably the same as the data length of the navigation message.
- indoor positioning unit 434 determines from the data the coordinate values (ie, data for specifying the installation location of the indoor transmitter (for example, X coordinate value 563 in signal 560 in FIG. 5, Y Get coordinate value 564, Z coordinate value 565)).
- the coordinate values ie, data for specifying the installation location of the indoor transmitter (for example, X coordinate value 563 in signal 560 in FIG. 5, Y Get coordinate value 564, Z coordinate value 565).
- the frame contains text information that indicates the location of the installation location, instead of such coordinate values, the text information is acquired.
- position information providing apparatus 100 demodulates the positioning signal. , To obtain the data contained in the signal. Specifically, the outdoor positioning unit 432 acquires data in subframes constituting the positioning signal by superimposing the locked code pattern on the positioning signal transmitted by the baseband processor 410. Do. In this case, the position information providing apparatus 100 receives the signal from the satellite and the signal from the indoor transmitter, so that it operates in the "No-Iaver" mode. . Therefore, for each satellite power signal, a navigation message having synchronized time data is acquired, and for an indoor transmitter power signal, data having the above coordinate values and other positional information is acquired. .
- step S 642 the indoor positioning unit 434 performs processing to acquire the X coordinate value 563, the Y coordinate value 564, and the Z coordinate value 565 from the positioning signal transmitted by the indoor transmitter 200-1.
- the positioning signal power transmitted by GPS satellites also acquires and processes navigation messages. Thereafter, control is transferred to step S624.
- step S 650 navigation processor 430 executes a process for displaying position information on display 440 based on the calculation result of the position. Specifically, image data for displaying the acquired coordinates or data for displaying the installation location of the indoor transmitter 200-1 are generated and sent to the display 440. The display 440 displays the position information of the position information providing device 100 in the display area based on such data.
- FIG. 7 is a diagram showing the display of the screen on the display 440 of the position information providing device 100.
- the display 440 displays an icon 710 indicating that the position information is obtained based on the positioning signal.
- the position information providing apparatus 100 can not receive the positioning signal transmitted from each GPS satellite. Instead, position information providing apparatus 100 receives, for example, a signal emitted by indoor transmitter 200-1. This signal is transmitted in the same manner as the positioning signal from which GPS satellite power is also transmitted, as described above.
- the position information providing device 100 performs the same processing as that performed when a positioning signal is received from a satellite. Processing is performed on the signal.
- the display 440 displays an icon 720 indicating that the position information is acquired based on a signal transmitted from a transmitter installed indoors.
- the position information providing apparatus 100 can not receive radio waves from GPS satellites, as in an indoor or underground mall. , Receive radio waves transmitted from transmitters installed at the location (for example, indoor transmitters 200-1, 200-2, 200-3). From the radio wave, position information providing apparatus 100 acquires information (for example, coordinate value, address) for specifying the position of the transmitter, and displays it on display 440. Thus, the user of the position information providing device 100 can know the current position. In this way, position information is provided even in places where it is not possible to receive positioning signals directly.
- the ground time (the time of the transmitter such as the indoor transmitter 200-1) and the satellite time do not have to be synchronized independently of each other. Therefore, the increase in cost for manufacturing the indoor transmitter can be suppressed. In addition, even after the position information providing system is operated, the operation becomes easy because it is not necessary to synchronize the time of the indoor transmitter.
- the position of the receiving location of the signal can be specified, so that the position can be provided compared to GPS and other conventional positioning systems. System can be easily realized.
- position information providing apparatus 100 does not require dedicated hardware for receiving a signal transmitted by indoor transmitter 200-1, and uses hardware that realizes a conventional positioning system. Is possible. Therefore, since it is not necessary to design the hardware for applying the technology according to the present embodiment with zero force, it is possible to provide position information providing equipment. The increase in the cost of placement 100 is suppressed and it becomes easy to spread. Further, for example, a position information providing device is provided in which an increase in circuit scale or complexity is prevented.
- the memory 420 of the position information providing device 100 holds PRN-IDs predefined for the indoor transmitter and Z or satellite.
- the position information providing apparatus 100 has a program for determining whether the received radio wave is transmitted from a satellite or transmitted from an indoor transmitter based on the PRN-ID.
- This program is realized by an arithmetic processing unit such as a baseband processor.
- the position information providing device 100 can be configured by changing a circuit element for determination to a circuit element including a function realized by the program.
- the obtained information may be held in a non-volatile memory 420 such as a flash memory. Then, when the mobile phone is called, the data held in the memory 420 may be transmitted to the called party.
- the position information of the originator that is, the position information acquired by the position information providing apparatus 100 as a mobile phone and also the indoor transmitter power is transmitted to the base station that relays the call.
- the base station stores the location information as a call record along with the date of reception.
- location information of the source may be notified as it is.
- notification of the originator from the mobile unit is realized as in the case of the originator notification at the time of emergency call from the conventional landline telephone.
- a position information providing system is realized by a transmitter capable of transmitting a signal similar to a signal transmitted by a transmitter mounted on a positioning satellite. Thus, it is not necessary to redesign the transmitter from scratch.
- the position information providing system uses a spread spectrum signal as a signal for positioning. Since transmission of this signal can reduce the power per frequency, it is considered that radio wave management will be easier than, for example, a conventional RF tag. As a result, construction of a position information providing system is facilitated.
- FIG. 8 is a diagram showing a configuration of a signal according to the present modification.
- a signal 810 is transmitted by the transmitter.
- the signal 810 has a 30-bit transport overhead 811, a 30-bit IJ ⁇ signal 812, a 6-bit PRN-ID 813, a 15-bit transmitter ID 814, an X-coordinate value 815, and a Y-coordinate value 816 and Z coordinate value 817 are included.
- the first 60 bits of signal 810 are identical to the first 60 bits of each of subframes 510-550 transmitted by the GPS satellites.
- a signal 820 is transmitted by the transmitter.
- Signal 820 includes 6-bit subframe ID 821, altitude correction factor 822 and transmitter position address 823.
- the subframe ID force of the signal 820 is also the third to sixth subframes by predefining other information in the rear 144 bits (in the signal 820, the altitude correction coefficient 822 and the position information address 823). Will be sent as well.
- the information contained in each subframe is not limited to the above. For example, advertisements related to location information, URLs (Uniform Resource Locators) of Internet sites, etc. may be stored in an area predefined in each subframe.
- Signal 830 shows an example of transmission of the third to sixth sub-frames having the same structure as signals 810 and 820 and signal 820 described above. That is, signal 830 includes a first subframe 831 and a second subframe 832.
- the first subframe 831 has the same header as subframes 510 to 550 transmitted from GPS satellites.
- the second subframe 832 is a frame corresponding to the signal 820.
- Signal 840 includes a first subframe 831 and a third subframe 842.
- the first subframe 831 is identical to the first subframe 831.
- the third subframe has the same structure as signal 820.
- Signal 870 includes a first subframe 831 and a sixth subframe 872
- the transmitter When the transmitter repeatedly transmits signal 830 to signal 870, the first subframe 831 is transmitted for each transmission of each signal. After the first subframe 831 has been sent, the other One of the subframes is interpolated. That is, the transmission order of each subframe is: first subframe 831 ⁇ second subframe 832 ⁇ first subframe 831 ⁇ third subframe 842 ⁇ first subframe ⁇ sixth subframe 872 ⁇ first subframe 831 ⁇ second subframe 832 ⁇ ⁇ ⁇
- FIG. 9 conceptually shows a configuration of signal 910 according to the present modification.
- a signal 910 includes a transport overhead 911, a preamplifier No 912, a PRN—ID 913, a transmitter ID 914, a first variable 915, an X coordinate value 916, and a Y coordinate value 917. , Z coordinate value 918 and noise ZCRC 919 are included.
- Signal 920 has the same configuration as signal 910.
- a second variable 925 is included instead of the first variable 91 5 in the signal 910.
- Each signal has a length of 150 bits. Six signals with the same structure are transmitted. A signal having such a configuration may be configured as a signal transmitted from an indoor transmitter.
- the position information providing apparatus 100 can specify the transmission source of the received signal based on the PRN-ID. If the transmission source is an indoor transmitter, the signal includes X coordinate values, Y coordinate values, and Z coordinate values. Therefore, the position information providing device 100 can display the indoor position.
- a plurality of correlators may be used. In this case, since the processing for matching the positioning signal to the replica is simultaneously performed in parallel, the calculation time of the position information becomes short.
- Position information providing apparatus 1000 includes antenna 1010, antenna 1010, band pass filter 1020 electrically connected, and low noise amplifier 1030 electrically connected to band pass filter 1020.
- a low-noise amplifier 1030 electrically connected to a down converter 1040, a down-converter 1040 electrically connected to a band pass filter 1050, and a band pass filter 1050 electrically connected to an AZD converter 1060 Parallel Correl, which also becomes a plurality of Correlators electrically connected to AZD converter 1060
- a processor 1080 electrically connected to the parallel correlator 1070, and a memory 1090 electrically connected to the processor 1080.
- Parallel correlator 1070 includes n correlators 1070-1 to 1070-n. Each correlator simultaneously performs matching between the received positioning signal and the code pattern generated to demodulate the positioning signal based on the control signal output from the processor 1080.
- processor 1080 generates, for each of parallel correlators 1070, a code pattern (shifted in code phase) that reflects a delay that may occur in the pseudo noise code. Give a command. This command is, for example, the number of satellites X 2 X 1023 (the length of the code pattern of the pseudo noise code used).
- Each parallel correlator 1070 generates code patterns different in code phase using the code pattern of the pseudo noise code defined for each satellite based on the command given to each. Then, among all generated code patterns, there is one that matches the code pattern of the pseudo noise code used to modulate the received positioning signal.
- the code pattern of the pseudo noise code can be identified instantaneously by previously configuring the number of correlators necessary for performing the matching process using each code pattern as the parallel correlator 1070. This process is also applicable to the case where the position information providing device 100 receives a signal from the indoor transmitter. Therefore, even when the user of the position information providing apparatus 100 is indoors, the position information can be acquired instantaneously.
- the position information providing system according to this embodiment differs from the first embodiment in that a plurality of transmitters are attached.
- FIG. 11 is a view showing a usage mode of the position information providing device according to the second embodiment of the present invention.
- indoor transmitters 1110, 1120 and 1130 are respectively mounted on the ceiling of the same floor.
- Each indoor transmitter performs the same process as the above-mentioned indoor transmitter 200-1. That is, each indoor transmitter emits a positioning signal that includes data representing the location at which each is attached.
- area 1140 is an area where the power of indoor transmitters 1110 and 1120 can also receive the transmitted signal.
- area 1150 is an area that can receive positioning signals transmitted by indoor transmitters 1120 and 1130, respectively.
- position information providing apparatus 1160 when position information providing apparatus 1160 according to the present invention is present at the position shown in FIG. 11, position information providing apparatus 1160 is included in the signal transmitted from indoor transmitter 1110, Data representing the mounting position of the indoor transmitter 1110 can be acquired as the position of the position information providing device 1160. Thereafter, when the user of the position information providing apparatus 1160 moves to a position corresponding to, for example, the area 1160, the position information providing apparatus 1160 receives the signal transmitted by the indoor transmitter 1120 in addition to the indoor transmitter 1110. Can. In this case, it can be determined based on the strength of the received signal, for example, which position data contained in the signal is to be determined as the position of the position information providing device 1160.
- the position of the position information providing device 1160 may be obtained by deriving the arithmetic sum of the data contained in the signals.
- position information providing apparatus 1160 even when a plurality of signals for positioning are received indoors, the transmission of a signal with a V offset is possible. Since the source can be identified, the mounting position of the transmitter, ie, the transmitter installed indoors, can also be identified.
- “indoor” is not limited to the inside of a building or other building, and may be a place where the GPS satellite power can not be received. Such places include, for example, underground malls, railway cars, etc.
- the position information providing apparatus is an apparatus for providing data for identifying the transmitter and information on the transmitter instead of specifying the position based on the data included in the indoor transmitter.
- the present embodiment differs from the embodiments described above in that location information can be obtained by transmission.
- FIG. 12 is a view showing a usage mode of the position information providing device according to the present embodiment.
- the position information providing device is realized, for example, as a mobile phone 1200.
- the mobile phone 12 00 can receive the positioning signal emitted by the indoor transmitter 1210.
- the indoor transmitter 1210 is connected to the Internet 1220.
- An information providing server 1230 capable of providing information on the indoor transmitter 1210 is connected to the Internet 1220.
- Also connected to the Internet 1220 is a base station 1240 that communicates with the mobile phone 1200.
- mobile phone 1200 When mobile phone 1200 receives a signal transmitted by indoor transmitter 1210, it obtains a transmitter ID for identifying indoor transmitter 1210 from among the signals.
- the transmitter ID is, for example, associated with the aforementioned PRN-ID.
- the mobile phone 1200 sends its transmitter ID (with one PRN-ID) to the information provision server 1230. Specifically, the mobile phone 1200 starts communication with the base station 1240, and sends out packet data including the acquired transmitter ID to the information providing server 1230.
- the information providing server 1230 When recognizing the transmitter ID, the information providing server 1230 refers to the database associated with the transmitter ID and reads out position data related to the ID. When the information providing server 1230 transmits the data to the base station 1240, the base station 1240 transmits the data. When mobile telephone 1200 detects the arrival of the data, it can acquire the position of transmitter 1250 from the data according to the browsing operation by the user of mobile telephone 1200.
- FIG. 13 is a block diagram showing a hardware configuration of mobile phone 1200.
- the mobile phone 1200 is an antenna 1308, a communication device 1302, a CPU 1310, an operation button 1320, a camera 1340, a flash memory 1344, a RAM 1346, a data ROM 1348, each of which is electrically connected.
- LED light emitting diode
- a signal received by antenna 1308 is transferred by communication device 1302 to CPU 1310.
- the CPU 1310 transfers the signal to the audio signal processing circuit 1370.
- voice The signal processing circuit 1370 performs pre-defined signal processing on the signal and sends the processed signal to a speaker 1374.
- the speaker 1374 outputs audio based on the signal.
- Microphone 1372 receives an utterance to mobile phone 1200, and outputs a signal corresponding to the voice uttered to audio signal processing circuit 1370.
- the voice signal processing circuit 1370 executes predetermined signal processing for a call based on the signal, and sends the processed signal to the CPU 1310.
- the CPU 1310 converts the signal into data for transmission and sends it to the communication device 1302.
- base station 1240 receives the signal.
- the flash memory 1344 stores data sent from the CPU 1310. Conversely, the CPU 1310 reads the data stored in the flash memory 1344, processes the data, and executes a predetermined process.
- the RAM 1346 temporarily holds data generated by the CPU 1310 based on an operation performed on the operation button 1320.
- the data ROM 1348 stores data or a program for causing the mobile phone 1200 to execute a predetermined operation.
- the CPU 1310 reads the data or program from the data ROM 1348 and causes the mobile phone 1200 to execute predetermined processing.
- Memory card drive device 1380 accepts attachment of memory card 1382.
- the memory card drive 1380 reads out the data stored in the memory card 1382 and sends it to the CPU 710. Conversely, the memory card drive 1380 writes the data output by the CPU 1310 into the data storage area secured in the memory card 1382.
- Audio signal processing circuit 1370 performs processing on signals used for the above-mentioned call.
- the CPU 1310 and the audio signal processing circuit 1370 may be integrally configured.
- the display 1350 displays an image defined by the data based on the data output from the CPU 1310. For example, if the flash memory 1344 stores data (eg, a URL) for accessing the information providing server 1230, the display 1350 displays the URL.
- data eg, a URL
- the LED 1376 realizes a predetermined light emission operation based on a signal from the CPU 1310. For example, if LED 1376 can display multiple colors, then LED 1376
- the IF 1378 accepts attachment of a cable for data communication.
- Data communication IF 1378 sends out a signal output from CPU 1310 to the cable.
- the data communication IF 1378 may transmit data received through the cable to the CPU 13.
- the vibrator 1384 executes a transmission operation at a predetermined frequency based on a signal output from the CPU 1310.
- the basic operation of mobile phone 1200 is easily understood by those skilled in the art. Therefore, the detailed description will not be repeated here.
- FIG. 14 is a block diagram showing the hardware configuration of the information providing server 1230.
- the information providing server 1230 is implemented by, for example, a known computer system.
- the information providing server 1230 mainly includes the CPU 1410, a mouse 1420 and a keyboard 1430 for receiving an instruction input by the user of the information providing server 1230 as main hardware, and data generated by execution of a program by the CPU 1410, or
- a RAM 1440 that temporarily stores data input through a mouse 1420 or a keyboard 1430, a hard disk 1450 that stores a large amount of data in a nonvolatile manner, and a CD-ROM (Compact Disk-Read Only Memory) drive It includes a device 1460, a monitor 1480 and a communication IF 1470.
- the hardware is mutually connected by a data bus.
- the CD-ROM drive 1460 has a CD-ROM 1462 attached.
- the processing in the computer system for realizing the information providing server 1230 is realized by the hardware and software executed by the CPU 1410.
- Such software may be stored in advance on the hard disk 1450.
- software may be stored in a CD-ROM 1460 on another data recording medium and distributed as a program product.
- software is the so-called Internet It may also be provided as a downloadable program product by other information providers connected to.
- Such software is stored in the hard disk 1450 after being read by the data recording medium by the CD-ROM drive 1460 or other data reader or downloaded via the communication IF 1470.
- the software is read from the hard disk 1450 by the CPU 1410 and stored in the RAM 1440 in the form of an executable program.
- the CPU 1410 executes the program.
- the hardware of the computer system that implements the information providing server 1230 shown in FIG. 14 is general. Therefore, the essential part of the information providing server 1230 according to the present invention is the software stored in the RAM 1440, the hard disk 1450, the CD-ROM 1462 and other data storage media, and the software that can be downloaded via the network. It can be said that there is. The operation of the hardware of the computer system is well known. Therefore, the detailed description will not be repeated.
- the recording medium is not limited to the above-described CD-ROM 1462, hard disk 1450, etc., and may be a magnetic tape, cassette tape, optical disc (Magnetic Optical Disc) / MD (Mini Disc) / DVD (Digital Versatile Disc). And the like), an IC (Integrated Circuit) card (including a memory card), an optical card, a mask ROM, an EPROM, an EEPROM, a semiconductor memory such as a flash ROM, etc. may be a medium capable of holding programs fixedly.
- IC Integrated Circuit
- program referred to here includes a source program type program, a compressed program, an encrypted program, and the like which are not limited to programs directly executable by the CPU 1410.
- FIG. 15 conceptually shows an aspect of storage of data in hard disk 1450.
- Hard disk 1450 includes areas 1510-1550 for storing data.
- a transmitter ID for identifying a transmitter that transmits a positioning signal is stored in area 1520.
- Data (coordinate values) for representing where the transmitter is installed is stored in area 1530. This data is Each transmitter is stored in the hard disk 1450 each time it is installed. The specific name of the place where the transmitter is installed is stored in area 1540. This data is used, for example, so that a manager who manages data stored in the node disk 1450 (or a service provider who provides location information using the information providing server 1230) can recognize it.
- Data representing an address at which the transmitter is stored is stored in area 1550. This data is also used by the administrator similar to the data stored in area 1540.
- Provision of location information of a transmitter by the information providing server 1230 is as follows.
- the cellular phone 1200 uses the transmitter ID acquired based on the judgment result of PRN-ID and the data (URL etc.) for accessing the information providing server 1230 to request the location information packet data ( Hereinafter, it is called "request”.
- the mobile phone 1200 transmits the request to the base station 1240. This transmission is realized by known communication processing.
- the base station 1240 receives the request, it transfers it to the information providing server 1240.
- the information providing server 1230 detects the reception of the request.
- the CPU 1410 obtains the medium power transmitter ID of the return and searches the hard disk 1450. Specifically, the CPU 1410 performs matching processing as to whether or not the acquired transmitter ID matches the transmitter ID stored in the area 1520. If there is a transmitter ID that matches the transmitter ID included in the data transmitted from the mobile phone 1200 as a result of the matching process, the CPU 1410 determines the coordinate value associated with that transmitter ID (area 1530). ) And generates packet data for sending position information back to the mobile phone 1200. Specifically, the CPU 1410 adds data of coordinate values to the address of the mobile phone 1200 and generates packet data. The CPU 1410 transmits the packet data to the base station 1240 via the communication IF 1470.
- base station 1240 When receiving the packet data transmitted by information providing server 1230, base station 1240 transmits packet data based on the address included in the data.
- the base station 1240 may store the received packet data and the reception time in a non-volatile storage device (for example, a hard disk device). This makes it possible for users of mobile phones 1200 Since a history of acquisition of location information by the user is left, it is possible to understand the route traveled by the user.
- the mobile phone 1200 When the mobile phone 1200 exists within the reach of radio waves from the base station 1240, it receives packet data transmitted by the base station 1 240. When a user of mobile phone 1200 performs a predefined operation (eg, an operation to view email) to view the received data, display 1350 displays the coordinate values of the transmitter. This allows the user to know the approximate position. In this way, since it is not necessary to register coordinate values in advance for each of the transmitters installed indoors, it is possible to more flexibly change the installation location of the transmitters.
- a predefined operation eg, an operation to view email
- the signal transmitted from the transmitter installed on the ground is data for identifying the transmitter (the transmitter ID) should be included.
- This data is stored in the server apparatus that provides the position information of the transmitter in association with the position information.
- the mobile phone 1200 functioning as a position information providing device acquires the position information by transmitting a transmitter ID to the server device. According to such a method of providing information, it is not necessary for the transmitter itself to hold the position information of the transmitter! As a result, the location of the transmitter can be easily changed.
- the position information providing apparatus is applicable to, for example, a mobile phone having a positioning function, a mobile positioning terminal, a mobile monitoring terminal, and other terminals capable of receiving signals for positioning.
- the transmitter according to the present invention is applicable to, for example, a transmitter installed indoors and other transmitters.
Abstract
Description
Claims
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07740820.1A EP2012136B1 (en) | 2006-04-04 | 2007-04-02 | Positional information providing system, positional information providing apparatus and transmitter |
AU2007239793A AU2007239793B2 (en) | 2006-04-04 | 2007-04-02 | Positional information providing system, positional information providing apparatus and transmitter |
CA2649110A CA2649110C (en) | 2006-04-04 | 2007-04-02 | Positional information providing system, positional information providing apparatus and transmitter |
US12/296,013 US7948437B2 (en) | 2006-04-04 | 2007-04-02 | Positional information providing system, positional information providing apparatus and transmitter |
BRPI0710046-9A BRPI0710046A2 (pt) | 2006-04-04 | 2007-04-02 | sistema de provisão de informação posicional, aparelho e transmissor de provisão de informação posicional |
ES07740820T ES2425760T3 (es) | 2006-04-04 | 2007-04-02 | Sistema proveedor de información posicional, aparato y transmisor proveedores de información posicional |
CN2007800121663A CN101438185B (zh) | 2006-04-04 | 2007-04-02 | 位置信息提供系统、位置信息提供装置以及发送机 |
NZ572330A NZ572330A (en) | 2006-04-04 | 2007-04-02 | Positional information providing system, positional information providing apparatus and transmitter |
MX2008012148A MX2008012148A (es) | 2006-04-04 | 2007-04-02 | Sistema proveedor de informacion posicional, aparato y transmisor proveedores de informacion posicional. |
DK07740820.1T DK2012136T3 (da) | 2006-04-04 | 2007-04-02 | System til tilvejebringelse af positionsinformation, apparat og sender til tilvejebringelse af positionsinformation |
PL07740820T PL2012136T3 (pl) | 2006-04-04 | 2007-04-02 | System zapewniający informacje o pozycji, urządzenie i nadajnik zapewniające informacje o pozycji |
SI200731296T SI2012136T1 (sl) | 2006-04-04 | 2007-04-02 | Sistem za pridobivanje pozicijske informacije, naprava in oddajnik za pridobivanje pozicijske informacije |
NO20084607A NO341309B1 (no) | 2006-04-04 | 2008-10-30 | Stedsinformasjonsangivende system, Stedsinformasjonsgivende apparat og sender |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006103213A JP4296302B2 (ja) | 2006-04-04 | 2006-04-04 | 位置情報提供システムおよび携帯電話機 |
JP2006-103213 | 2006-04-04 |
Publications (1)
Publication Number | Publication Date |
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WO2007119645A1 true WO2007119645A1 (ja) | 2007-10-25 |
Family
ID=38609409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/057384 WO2007119645A1 (ja) | 2006-04-04 | 2007-04-02 | 位置情報提供システム、位置情報提供装置および送信機 |
Country Status (22)
Country | Link |
---|---|
US (1) | US7948437B2 (ja) |
EP (2) | EP2012136B1 (ja) |
JP (1) | JP4296302B2 (ja) |
KR (1) | KR101044215B1 (ja) |
CN (1) | CN101438185B (ja) |
AU (1) | AU2007239793B2 (ja) |
BR (1) | BRPI0710046A2 (ja) |
CA (1) | CA2649110C (ja) |
CY (2) | CY1114119T1 (ja) |
DK (2) | DK2012136T3 (ja) |
ES (2) | ES2456540T3 (ja) |
MX (1) | MX2008012148A (ja) |
MY (1) | MY146374A (ja) |
NO (1) | NO341309B1 (ja) |
NZ (1) | NZ572330A (ja) |
PL (2) | PL2012136T3 (ja) |
PT (2) | PT2012136E (ja) |
RU (1) | RU2440590C2 (ja) |
SI (2) | SI2487508T1 (ja) |
TW (1) | TW200821614A (ja) |
WO (1) | WO2007119645A1 (ja) |
ZA (1) | ZA200809138B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010034836A (ja) * | 2008-07-29 | 2010-02-12 | Gnss Technologies Inc | 位置情報提供システム、位置情報提供装置および屋内送信機 |
EP2233943A1 (en) * | 2007-11-30 | 2010-09-29 | GNSS Technologies Inc. | Position information providing system, indoor transmitter, and method for providing position information |
RU2561721C2 (ru) * | 2010-05-13 | 2015-09-10 | ДжиЭнЭсЭс ТЕКНОЛОДЖИЗ ИНК. | Аппаратура передачи навигационных сигналов, способ передачи навигационных сигналов и аппаратура предоставления информации местоположения |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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FI119663B (fi) * | 2007-04-24 | 2009-01-30 | Tracker Oy | Opastava paikannusmenetelmä, paikannuslaite ja tietokoneohjelmatuote |
US8265652B2 (en) * | 2007-10-02 | 2012-09-11 | Ricoh Co., Ltd. | Geographic tagging of network access points |
US8711034B2 (en) | 2007-10-02 | 2014-04-29 | Ricoh Co., Ltd. | Geographically self-labeling access points |
US8089405B2 (en) * | 2007-10-02 | 2012-01-03 | Ricoh Co., Ltd. | Applications for geographically coded access points |
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WO2009110471A1 (ja) * | 2008-03-07 | 2009-09-11 | 株式会社日立製作所 | 位置情報システム |
JP5290611B2 (ja) * | 2008-04-10 | 2013-09-18 | 株式会社日立産機システム | 測位システム、測位システムの制御方法、及び通信端末 |
US9154301B2 (en) * | 2008-04-22 | 2015-10-06 | Nokia Corporation | Location information verification |
JP5115380B2 (ja) * | 2008-07-22 | 2013-01-09 | セイコーエプソン株式会社 | 擬似衛星利用システム、測位装置、測位装置の制御方法、測位装置の制御プログラム及び記憶媒体 |
EP2469292B1 (en) * | 2010-12-21 | 2017-02-08 | u-blox AG | Location estimation by observing wireless signals |
JP5164729B2 (ja) * | 2008-08-08 | 2013-03-21 | 株式会社日立製作所 | 位置情報処理システム |
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FR2957427B1 (fr) * | 2010-03-12 | 2012-05-25 | Thales Sa | Systeme de positionnement par pseudolites fonctionnant en mode assiste |
JP5576172B2 (ja) | 2010-04-23 | 2014-08-20 | 株式会社日立製作所 | 位置情報発信機、位置情報受信機、および位置測位システム |
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JP2012063274A (ja) | 2010-09-16 | 2012-03-29 | Gnss Technologies Inc | ナビゲーション信号送信装置および位置情報提供装置 |
US9234965B2 (en) * | 2010-09-17 | 2016-01-12 | Qualcomm Incorporated | Indoor positioning using pressure sensors |
JP5594085B2 (ja) * | 2010-11-19 | 2014-09-24 | 船井電機株式会社 | 位置情報送信装置、位置情報送信システムおよび位置情報設定方法 |
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US20140009332A1 (en) * | 2010-12-16 | 2014-01-09 | Astrium Limited | Determining an estimated location |
KR101195702B1 (ko) | 2010-12-21 | 2012-10-29 | 엘지이노텍 주식회사 | 무선 측위 장치 및 방법과 이를 이용한 이동 단말기 |
CN102170698A (zh) * | 2011-04-07 | 2011-08-31 | 北京邮电大学 | 一种生成定位信息的方法、装置及导航电文 |
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ES2604708T3 (es) * | 2011-04-26 | 2017-03-08 | Gnss Technologies Inc. | Transmisor de señales de navegación y procedimiento para generar señales de navegación |
EP2565674B1 (en) * | 2011-09-01 | 2019-04-17 | Airbus Defence and Space GmbH | Wireless local messaging system and method of determining a position of a navigation receiver within a wireless local messaging system |
JP2013242743A (ja) | 2012-05-22 | 2013-12-05 | Ricoh Co Ltd | システム、方法及びサーバ |
JP5983035B2 (ja) * | 2012-05-29 | 2016-08-31 | 株式会社リコー | 通信装置及び通信システム |
JP6142497B2 (ja) | 2012-06-20 | 2017-06-07 | 株式会社リコー | 配信装置、通信端末及び配信システム |
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EP2806285B1 (en) * | 2013-05-24 | 2018-12-19 | Nxp B.V. | A vehicle positioning system |
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CN103442331B (zh) * | 2013-08-07 | 2016-08-10 | 华为技术有限公司 | 终端设备位置确定方法和终端设备 |
JP2015057592A (ja) | 2013-08-12 | 2015-03-26 | 株式会社リコー | 情報処理装置、情報処理方法及びプログラム |
CN104517457A (zh) * | 2013-09-30 | 2015-04-15 | 鸿富锦精密工业(深圳)有限公司 | 定位光源装置、定位装置及定位方法 |
JP2015087320A (ja) * | 2013-10-31 | 2015-05-07 | 日本無線株式会社 | 測位装置 |
JP2015143630A (ja) * | 2014-01-31 | 2015-08-06 | アプリックスIpホールディングス株式会社 | 位置情報提供システム、記憶装置、端末装置及び位置情報提供方法 |
US9439046B2 (en) | 2014-03-27 | 2016-09-06 | Panasonic Intellectual Property Corporation Of America | Method for measuring position, non-transitory recording medium storing position measurement program, and radio apparatus |
JP2015190979A (ja) * | 2014-03-27 | 2015-11-02 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | 位置計測方法、位置計測プログラム及び無線装置 |
JP2016008940A (ja) * | 2014-06-26 | 2016-01-18 | 株式会社デンソー | 位置情報提供装置、位置報知装置およびプログラム |
CN105093172A (zh) * | 2015-08-10 | 2015-11-25 | 联想(北京)有限公司 | 一种定位方法及电子设备 |
JP6947168B2 (ja) | 2016-03-30 | 2021-10-13 | 日本電気株式会社 | 屋内外判定プログラム、屋内外判定システム、屋内外判定方法、移動端末、及び屋内外環境分類判定手段 |
CN107329159A (zh) * | 2017-06-20 | 2017-11-07 | 广州中融物联网信息科技有限责任公司 | 一种采集定位系统及其方法、装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0496530A (ja) * | 1990-08-13 | 1992-03-27 | Toyota Central Res & Dev Lab Inc | 位置検出装置及び方法 |
JPH05316021A (ja) * | 1992-05-11 | 1993-11-26 | Yamatake Honeywell Co Ltd | 位置認識装置 |
JPH0659013A (ja) * | 1992-08-05 | 1994-03-04 | Pioneer Electron Corp | Gps受信機の信号捕捉方法 |
JP2002277279A (ja) * | 2001-03-14 | 2002-09-25 | Katsutoshi Takifuji | 位置情報を用いた情報提供システム |
JP2005043193A (ja) * | 2003-07-28 | 2005-02-17 | Toshiba Corp | 測位信号送信装置、測位装置および測位システム |
JP2005083888A (ja) * | 2003-09-08 | 2005-03-31 | Gnss Technologies Inc | Rtk測位システム及びその測位方法 |
JP2005530985A (ja) * | 2002-03-16 | 2005-10-13 | イーエーディーエス・アストリウム・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 衛星航法システムの航法データ中でシュードライト経路を送信するための方法および配置 |
JP2006067086A (ja) | 2004-08-25 | 2006-03-09 | Aplix Corp | Rfタグを利用した位置情報システム |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5708440A (en) * | 1995-05-30 | 1998-01-13 | Trimble Navigation Limited | Pseudolite translator for unlicensed frequencies |
JPH1114732A (ja) | 1997-06-24 | 1999-01-22 | Sansho:Kk | 探索システム及び方法 |
AUPP375498A0 (en) | 1998-05-29 | 1998-06-18 | Small, David | A method for creating a network positioning system (NPS) |
US6564064B1 (en) * | 1999-12-01 | 2003-05-13 | Trimble Navigation Limited | Cellular telephone using pseudolites for determining location |
JP2001201556A (ja) | 2000-01-20 | 2001-07-27 | Koden Electronics Co Ltd | 移動体の位置監視システム |
US7127351B2 (en) | 2000-06-27 | 2006-10-24 | Sirf Technology, Inc. | Combined parallel and sequential detection for GPS signal acquisition |
US6556942B1 (en) * | 2000-09-29 | 2003-04-29 | Ut-Battelle, Llc | Short range spread-spectrum radiolocation system and method |
TW487806B (en) | 2000-12-18 | 2002-05-21 | Ind Tech Res Inst | Positioning method and system using GPS and broadcasting data |
US6522296B2 (en) * | 2001-06-25 | 2003-02-18 | Harris Corporation | Method and system for calibrating wireless location systems |
JP3719505B2 (ja) | 2001-08-17 | 2005-11-24 | 株式会社デンソー | 信号輻射装置,位置検出装置,位置特定プログラムおよびナビゲーション装置 |
US7508341B2 (en) | 2002-03-16 | 2009-03-24 | Eads Astrium Gmbh | Method and arrangements for the transmission of pseudolite trajectories within navigation data of a satellite navigation system |
US6768452B2 (en) | 2002-12-19 | 2004-07-27 | Texas Instrucments Incorporated | System and method for providing time to a satellite positioning system (SPS) receiver from a networked time server |
JP2006084385A (ja) | 2004-09-17 | 2006-03-30 | Fujitsu Ltd | 測位信号送信装置、測位信号送信方法、及び測位装置 |
-
2006
- 2006-04-04 JP JP2006103213A patent/JP4296302B2/ja active Active
-
2007
- 2007-04-02 NZ NZ572330A patent/NZ572330A/en unknown
- 2007-04-02 EP EP07740820.1A patent/EP2012136B1/en active Active
- 2007-04-02 KR KR1020087024868A patent/KR101044215B1/ko active IP Right Grant
- 2007-04-02 EP EP12167128.3A patent/EP2487508B1/en active Active
- 2007-04-02 PT PT77408201T patent/PT2012136E/pt unknown
- 2007-04-02 BR BRPI0710046-9A patent/BRPI0710046A2/pt not_active Application Discontinuation
- 2007-04-02 US US12/296,013 patent/US7948437B2/en active Active
- 2007-04-02 RU RU2008143353/07A patent/RU2440590C2/ru active
- 2007-04-02 SI SI200731443T patent/SI2487508T1/sl unknown
- 2007-04-02 DK DK07740820.1T patent/DK2012136T3/da active
- 2007-04-02 DK DK12167128.3T patent/DK2487508T3/en active
- 2007-04-02 SI SI200731296T patent/SI2012136T1/sl unknown
- 2007-04-02 ES ES12167128.3T patent/ES2456540T3/es active Active
- 2007-04-02 AU AU2007239793A patent/AU2007239793B2/en active Active
- 2007-04-02 CA CA2649110A patent/CA2649110C/en active Active
- 2007-04-02 PT PT121671283T patent/PT2487508E/pt unknown
- 2007-04-02 MY MYPI20083916A patent/MY146374A/en unknown
- 2007-04-02 PL PL07740820T patent/PL2012136T3/pl unknown
- 2007-04-02 CN CN2007800121663A patent/CN101438185B/zh active Active
- 2007-04-02 PL PL12167128T patent/PL2487508T3/pl unknown
- 2007-04-02 MX MX2008012148A patent/MX2008012148A/es active IP Right Grant
- 2007-04-02 WO PCT/JP2007/057384 patent/WO2007119645A1/ja active Application Filing
- 2007-04-02 ES ES07740820T patent/ES2425760T3/es active Active
- 2007-04-04 TW TW096112145A patent/TW200821614A/zh unknown
-
2008
- 2008-10-24 ZA ZA200809138A patent/ZA200809138B/xx unknown
- 2008-10-30 NO NO20084607A patent/NO341309B1/no not_active IP Right Cessation
-
2013
- 2013-06-05 CY CY20131100448T patent/CY1114119T1/el unknown
-
2014
- 2014-03-31 CY CY20141100247T patent/CY1115330T1/el unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0496530A (ja) * | 1990-08-13 | 1992-03-27 | Toyota Central Res & Dev Lab Inc | 位置検出装置及び方法 |
JPH05316021A (ja) * | 1992-05-11 | 1993-11-26 | Yamatake Honeywell Co Ltd | 位置認識装置 |
JPH0659013A (ja) * | 1992-08-05 | 1994-03-04 | Pioneer Electron Corp | Gps受信機の信号捕捉方法 |
JP2002277279A (ja) * | 2001-03-14 | 2002-09-25 | Katsutoshi Takifuji | 位置情報を用いた情報提供システム |
JP2005530985A (ja) * | 2002-03-16 | 2005-10-13 | イーエーディーエス・アストリウム・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 衛星航法システムの航法データ中でシュードライト経路を送信するための方法および配置 |
JP2005043193A (ja) * | 2003-07-28 | 2005-02-17 | Toshiba Corp | 測位信号送信装置、測位装置および測位システム |
JP2005083888A (ja) * | 2003-09-08 | 2005-03-31 | Gnss Technologies Inc | Rtk測位システム及びその測位方法 |
JP2006067086A (ja) | 2004-08-25 | 2006-03-09 | Aplix Corp | Rfタグを利用した位置情報システム |
Non-Patent Citations (1)
Title |
---|
See also references of EP2012136A4 |
Cited By (7)
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---|---|---|---|---|
EP2233943A1 (en) * | 2007-11-30 | 2010-09-29 | GNSS Technologies Inc. | Position information providing system, indoor transmitter, and method for providing position information |
EP2233943A4 (en) * | 2007-11-30 | 2011-09-14 | Gnss Technologies Inc | POSITION INFORMATION PROCESSING SYSTEM, INTERNAL TRANSMITTER AND METHOD FOR PROVIDING POSITION INFORMATION |
AU2008330599B2 (en) * | 2007-11-30 | 2013-11-28 | Gnss Technologies Inc. | Position information providing system, indoor transmitter, and method for providing position information |
US8618978B2 (en) | 2007-11-30 | 2013-12-31 | Gnss Technologies Inc. | Position information providing system indoor transmitter and method for providing position information |
JP2010034836A (ja) * | 2008-07-29 | 2010-02-12 | Gnss Technologies Inc | 位置情報提供システム、位置情報提供装置および屋内送信機 |
RU2561721C2 (ru) * | 2010-05-13 | 2015-09-10 | ДжиЭнЭсЭс ТЕКНОЛОДЖИЗ ИНК. | Аппаратура передачи навигационных сигналов, способ передачи навигационных сигналов и аппаратура предоставления информации местоположения |
US10429512B2 (en) | 2010-05-13 | 2019-10-01 | Gnss Technologies Inc. | Navigation signal transmitting apparatus, navigation signal transmission method and positional information providing apparatus |
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