WO2006028145A1 - 無線通信端末装置及びプログラム - Google Patents
無線通信端末装置及びプログラム Download PDFInfo
- Publication number
- WO2006028145A1 WO2006028145A1 PCT/JP2005/016439 JP2005016439W WO2006028145A1 WO 2006028145 A1 WO2006028145 A1 WO 2006028145A1 JP 2005016439 W JP2005016439 W JP 2005016439W WO 2006028145 A1 WO2006028145 A1 WO 2006028145A1
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- WO
- WIPO (PCT)
- Prior art keywords
- communication
- communication method
- predetermined time
- wireless
- time
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/12—Inter-network notification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the present invention relates to a wireless communication terminal that performs communication using a common antenna by switching between two communication methods, and more particularly to a communication method switching technique.
- a wireless communication terminal of a method (dual method) for switching between two communication systems and communicating with a base station is known.
- a dual type radio communication terminal a mobile terminal equipped with a switching means between a CDMA2000 lx communication system and a CDMA2000 lx EVDO communication system has been proposed (see, for example, Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 2003-298762
- the above-mentioned noble terminal performs data communication in one system and monitors incoming calls in the other system.
- communication with System A is performed by switching to System B (CDMA2000 lx) at a predetermined time interval and monitoring incoming calls in System B. Even in the middle, the system B is in the standby state.
- system B occupies the antenna, communication in system A is interrupted. If communication interruption time in this system A becomes long, it is used for communication in system A. There is a risk that the application power time-out that was being used will occur, and the data and history information being communicated may be discarded.
- a predetermined timeout value is set in advance on the base station side to optimize the traffic of the wireless communication network, and if a timeout occurs in the physical layer, the system
- connection between A and the base station is broken.
- the first invention includes a wireless unit that performs wireless communication with a common antenna by switching between the first communication method and the second communication method, and a control unit that controls wireless communication by the wireless unit.
- the control unit monitors incoming calls in the second communication method during communication of the first communication method, and detects the first incoming call when the incoming call is detected.
- the communication method is switched from the first communication method to the second communication method for a first predetermined time during which the communication method is not disconnected. After the first predetermined time has elapsed, the second communication method is changed to the first communication method. Control is performed so that the communication of the first communication method is resumed.
- control unit resumes communication of the second communication method after detecting the incoming call, and after the first predetermined time has elapsed, Communication in the first communication method is interrupted, communication is performed in the first communication method for a second predetermined time during which the communication in the second communication method is not disconnected, and then the second communication from the first communication method is performed. Switch to the system and control to resume the communication of the second communication system.
- the first predetermined time is a time during which communication disconnection is not determined by a communication program used in the first communication method.
- the predetermined time is a time when communication disconnection is not determined by the communication program used in the second communication method.
- a fourth invention comprises: a wireless unit that performs wireless communication using a common antenna by switching between the first communication method and the second communication method; and a control unit that controls wireless communication by the wireless unit.
- a program that causes a wireless communication terminal device to execute the following procedure, monitors incoming calls in the second communication method during communication of the first communication method, and detects the incoming call when the incoming call is detected.
- the first communication method is switched from the first communication method to the second communication method for a first predetermined time during which communication of the first communication method is not disconnected. And switching to the second communication method and restarting the communication of the second communication method.
- the communication of the second communication method is started after the incoming call is detected, and the second communication method is started after the first predetermined time has elapsed. Communication is interrupted and communication is performed using the first communication method for a second predetermined time during which communication of the second communication method is not disconnected, and then the first communication method is switched to the second communication method. And resuming communication of the second communication method.
- the present invention includes a wireless unit that performs wireless communication with a common antenna by switching between the first communication method and the second communication method, and a control unit that controls wireless communication by the wireless unit.
- the wireless communication terminal device wherein the control unit monitors incoming calls in the second communication method during communication of the first communication method, and detects the incoming call when the incoming call is detected.
- the first communication method is switched from the first communication method to the second communication method for a first predetermined time during which the communication of the method is not disconnected, and after the first predetermined time has elapsed, the second communication method is changed to the first communication. Since the control is performed so that the communication of the first communication method is resumed by switching to the method, even a wireless communication terminal having one antenna can communicate with two communication systems at the same time.
- the control unit resumes communication of the second communication method after detecting the incoming call, and communicates the communication of the second communication method after the first predetermined time has elapsed. And the communication of the first communication method is performed for the second predetermined time during which the communication of the second communication method is not disconnected, and then the first communication method is switched to the second communication method.
- the control is resumed so that the communication of the second communication method is resumed, even a wireless communication terminal having one antenna can maintain communication by two communication systems at the same time.
- FIG. 1 is a block diagram showing a configuration of a wireless communication terminal according to a first embodiment of the present invention.
- FIG. 2 is a timing diagram of switching of the communication system according to the first embodiment of this invention.
- FIG. 3 is a flowchart of communication system switching processing according to the first embodiment of this invention.
- FIG. 4 is a timing diagram of switching of the communication system according to the second embodiment of the present invention.
- FIG. 5 is a flowchart of a communication system switching process according to the second embodiment of the present invention.
- FIG. 6 is a timing diagram of switching of a conventional communication system.
- FIG. 7 is a timing diagram of switching of a conventional communication system.
- FIG. 1 is a block diagram showing a configuration of radio communication terminal 10 according to the first embodiment of the present invention.
- the radio communication terminal 10 of the present embodiment uses a common antenna 1 to transmit CDMA2000 1 xEV-DO (lx Evolution Data Only; hereinafter referred to as "EV-DO") and CDMA2000 lx (hereinafter referred to as "lx To perform wireless communication.
- EV-DO is a communication method dedicated to data communication, and the wireless communication terminal 10 normally performs data communication using the EV-DO method.
- lx is mainly used for voice calls that can perform data communication in the same way as EV-DO.
- EV-DO and lx are described as system A and system B, respectively, for convenience.
- the antenna 1 is connected to the RF control unit 2, receives radio waves from the radio base station, and transmits radio waves to the radio base station.
- the RF control unit 2 performs transmission / reception processing according to each wireless standard. That is, the RF control unit includes the RF unit of system A and the RF unit of system B.
- the RF unit of system A converts a data signal or audio signal transmitted by communication system A into a high-frequency signal and sends it to antenna 1.
- the high frequency signal from the antenna 1 is converted into a data signal or an audio signal.
- the RF part of system B converts the data signal or audio signal transmitted by communication system B into a high frequency signal and sends it to antenna 1.
- the high frequency signal from the antenna 1 is converted into a data signal or an audio signal.
- the RF control unit 2 is provided with a baseband processing unit.
- the baseband processing unit demodulates the baseband signal into an audio signal by a codec unit provided therein.
- the codec unit modulates the audio signal to generate a baseband signal.
- the RF control unit 2 controls communication of the two communication systems of systems A and B.
- the main control unit 3 controls each unit of the wireless communication terminal 10 in an integrated manner. For example, the main control unit 3 switches between the system protocol units 4A and 4B to control switching between the two systems A and B.
- one RF control unit 2 is shared between the system A and the system B, and the communication side monopolizes the RF control unit 2.
- the main control unit 3 controls the start and stop of the application programs A1 to An and B1 set for each system.
- the application programs A1 to An used in the system A are used for data communication, and are, for example, a web browser, a media player for viewing streaming video, and the like.
- the system B uses an application program B1 for voice calls.
- the application programs Al to An and B1 each have a predetermined time for timeout, and if a state in which transmission / reception data cannot be processed during communication continues for a predetermined time, a timeout will occur. Become.
- a predetermined time for timeout similarly is set in advance in the application program B1, and the time-out occurs when a state in which an audio signal cannot be processed during a call continues for a predetermined time.
- the communication “disconnection” means that a time-out of the application program occurs, and the application program must be restarted to recover the communication. Means that.
- communication "interruption" means that data or audio signal processing cannot be performed with system A protocol 4A or system B protocol 4B! /, But the application program times out. This means that the data or audio signal processing can be resumed immediately.
- FIG. 2 is a timing diagram of switching of the communication system according to the first embodiment.
- the system B monitors the incoming call at a predetermined time interval.
- the main control unit 3 switches from the system A to the system B in order to respond to the incoming call, and starts communication in the system B.
- antenna 1 is occupied by system B, so communication in system A is interrupted.
- the communication of system B is forcibly disconnected when the communication time of system B reaches a predetermined time T so that communication interruption of system A does not continue for a long time. Return to System A.
- the predetermined time T is set to a time during which an application program operating for communication of the system A does not determine a timeout.
- FIG. 3 is a flowchart of the communication system switching process according to the first embodiment, which is executed by the main control unit 3.
- a time T for which communication in the system B is allowed is set based on a timeout value determined by the application. (S101).
- this allowable communication time T is determined within the range in which the communication program time-out for the communication of System A is judged as a timeout and communication is not disconnected.
- communication start processing of system A is executed (S 102), and communication is performed in system A using the activated communication application program (S 103). That is, System A establishes a connection with a communication partner via a base station (not shown) and starts data transmission / reception.
- system B switches from system A to system B at a predetermined time interval and listens to system B for system B standby. At this time, system B occupies antenna 1.
- a timer is activated, and it is determined by the timer whether or not the system B standby time has ended (S104).
- step S109 If the standby time of system B has not ended, the process proceeds to step S109.
- step S109 If no incoming call is detected in system B, the process proceeds to step S109.
- system B if an incoming call is detected in system B, the system B is switched from system A to system B, and application B is activated to execute communication start processing for system B (S106). Then, communication is performed (S107).
- system A cannot process the data transmitted from the base station or the data transmitted to the base station because antenna 1 is occupied by system B, but it is in the middle of communication on the application program. Data and communication history information are retained.
- a timer is activated, and it is determined by this timer whether the allowable communication time T of system B has elapsed (S108).
- step S 109 it is determined whether or not the communication of system A has been completed.
- the configuration of the wireless communication terminal 10 is the same as that of the first embodiment described above except that the communication time management method in the system B is different.
- FIG. 4 is a timing diagram of switching of the communication system according to the second embodiment.
- the system B monitors the incoming call at a predetermined time interval.
- the communication of system B is interrupted when the communication time of system B reaches a predetermined time Ta so that the communication interruption of system A does not continue for a long time. Return temporarily.
- the predetermined time Ta is set to a time during which an application program operating for communication of the system A does not determine a timeout. Therefore, even if communication is temporarily performed in system B, communication in system A is not disconnected.
- system A When communication of system B is interrupted and system A is temporarily restored, system A performs processing for not interrupting communication of system A! /.
- system A can communicate by sending or pinging the power of system A to send and receive data.
- the main control unit 3 switches from the system A to the system B and starts communication in the system B again.
- the predetermined time Tb is set to a time during which the application program B1 operating for the voice communication of the system B does not determine as a timeout.
- System B resumes communication after time Tc.
- This Tc is longer than the time Tb required for processing without interrupting system A communication, and is set to a time during which the application program operating for system B communication does not detect a timeout.
- the communication interruption time is substantially reduced in system A.
- the continuous communication interruption time is shortened, and the timeout of the application of system A and system B is shortened. To prevent.
- FIG. 5 is a flowchart of the communication system switching process according to the second embodiment, which is executed by the main control unit 3.
- This allowable communication time Ta is a key executed for communication of system A as described above.
- the pre- scription program determines that a timeout has occurred and determines that communication is not disconnected. Further, as described above, the allowable communication time Tb is determined in such a range that the application program executed for the communication of the system B determines that a timeout has occurred and communication is not disconnected.
- communication start processing of system A is executed (S 122), and communication is performed in system A (S 123). That is, System A establishes a connection with a communication partner via a base station (not shown) and starts data transmission / reception.
- system A occupies antenna 1. Note that the processing in steps S123 to S127 is the same as the processing in steps S103 to S107 in the first embodiment described above, and a description thereof will be omitted.
- step S131 when the application program B1 started for system B communication is terminated, it is determined that system B communication is terminated, and the process proceeds to step S131. On the other hand, if it is necessary to continue communication of system B, the process returns to step S127 and communication of system B is continued.
- step S131 it is determined whether or not the communication of system A has been completed. For example, when the application program started for system A communication is terminated, it is determined that system A communication is terminated, and the communication system switching process is terminated.
- the system A is communicating during communication with the system A. Even if there is an incoming call on system B and a response is received on system B, the system A periodically returns to the original system A, and system A performs communication for a short time.
- an incoming call to system B is detected at S125, the system A switches to system B, and the allowable communication time Tb may be set when the application B1 is started.
- the communication allowable time Tb may be set when Ta has passed and the system B is switched to the system A in S129.
- the application program A1 to An, B1 has a power to "cut" the time-out state. It is not limited to this.
- a predetermined time is set in advance on the base station side in order to optimize the traffic of the wireless communication network, and if a state in which data transmission / reception is not performed continues for a predetermined time, a time-out occurs. Yes.
- CDMA2000 lxEV-DO and CDMA2000 lx have been described as system A and system B, respectively. If it is a system, System B can perform voice communication, and System A can perform incoming call monitoring intermittently during communication.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/574,960 US8391916B2 (en) | 2004-09-09 | 2005-09-07 | Wireless communication terminal apparatus and computer readable medium therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-262112 | 2004-09-09 | ||
JP2004262112A JP4620414B2 (ja) | 2004-09-09 | 2004-09-09 | 無線通信端末装置及びプログラム |
Publications (1)
Publication Number | Publication Date |
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WO2006028145A1 true WO2006028145A1 (ja) | 2006-03-16 |
Family
ID=36036427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/016439 WO2006028145A1 (ja) | 2004-09-09 | 2005-09-07 | 無線通信端末装置及びプログラム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8391916B2 (ja) |
JP (1) | JP4620414B2 (ja) |
KR (1) | KR20070042200A (ja) |
CN (1) | CN101015228A (ja) |
WO (1) | WO2006028145A1 (ja) |
Families Citing this family (12)
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US7848305B2 (en) | 2005-02-03 | 2010-12-07 | Qualcomm Incorporated | Techniques for accessing a wireless communication system with tune-away capability |
WO2007148372A1 (ja) * | 2006-06-19 | 2007-12-27 | Fujitsu Limited | 無線通信デバイス及びその通信方法 |
KR100765484B1 (ko) * | 2006-08-29 | 2007-10-09 | 삼성전자주식회사 | 듀얼 스탠바이 휴대 통신 단말의 시스템 접속 방법 및 장치 |
JP2010226614A (ja) * | 2009-03-25 | 2010-10-07 | Kyocera Corp | 移動局装置および無線通信方法 |
US9504092B2 (en) | 2009-07-09 | 2016-11-22 | Mediatek Inc. | System for the coexistence between a plurality of wireless communications modules sharing single antenna |
US9236896B2 (en) * | 2009-07-09 | 2016-01-12 | Mediatek Inc. | Systems and methods for coexistence of a plurality of wireless communications modules |
US8774722B2 (en) | 2009-07-09 | 2014-07-08 | Mediatek Inc. | Systems and methods for reducing interference between a plurality of wireless communications modules |
US9025583B2 (en) | 2009-07-09 | 2015-05-05 | Mediatek Inc. | System for the coexistence between a plurality of wireless communication module sharing single antenna |
JP5840468B2 (ja) * | 2011-11-24 | 2016-01-06 | 株式会社メガチップス | 通信システムおよび通信装置 |
JP6642982B2 (ja) * | 2015-05-29 | 2020-02-12 | キヤノン株式会社 | 通信装置、通信装置の制御方法、プログラム |
JP2019153844A (ja) * | 2018-02-28 | 2019-09-12 | 株式会社東芝 | 通信装置、通信方法およびプログラム |
CN111278076A (zh) * | 2020-01-20 | 2020-06-12 | 锐迪科微电子科技(上海)有限公司 | Ev-do连接状态的响应方法、系统、设备和介质 |
Citations (2)
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JP2001145156A (ja) * | 1999-11-10 | 2001-05-25 | Sharp Corp | デュアル待ち受け携帯電話端末 |
JP2004228704A (ja) * | 2003-01-20 | 2004-08-12 | Kyocera Corp | 無線通信端末及び通信方式切替方法 |
Family Cites Families (12)
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JPH11289580A (ja) * | 1998-04-01 | 1999-10-19 | Sharp Corp | 無線電話装置 |
US6456858B1 (en) * | 1998-12-21 | 2002-09-24 | Verizon Wireless | System and methods in a dual mode wireless system for transmitting rescan command based on detected network conditions |
SE0104325D0 (sv) * | 2001-12-20 | 2001-12-20 | Ericsson Telefon Ab L M | A method and apparatus for switching access between mobile networks |
JP2003298762A (ja) | 2002-03-29 | 2003-10-17 | Kyocera Corp | 移動通信端末 |
US6987985B2 (en) * | 2003-06-06 | 2006-01-17 | Interdigital Technology Corporation | Wireless communication components and methods for multiple system communications |
JP3905866B2 (ja) * | 2003-06-26 | 2007-04-18 | ソニー株式会社 | アンテナ切り替え回路およびこれを用いた無線通信装置 |
US20050049021A1 (en) * | 2003-08-26 | 2005-03-03 | Nedelcu Bogdan R. | Device and method for redirecting a wireless communication link based on location |
JP4310150B2 (ja) * | 2003-08-29 | 2009-08-05 | 京セラ株式会社 | 携帯通信端末及び無線通信システム |
CA2546446C (en) * | 2003-11-20 | 2013-08-06 | Research In Motion Limited | Seamless call switching in a dual mode environment |
KR100605937B1 (ko) * | 2004-01-14 | 2006-08-01 | 삼성전자주식회사 | 듀얼모드 이동통신단말기에서의 호 처리 방법 및 그듀얼모드 이동통신단말기 |
US20050266874A1 (en) * | 2004-05-26 | 2005-12-01 | Chengshing Lai | [method of automatically switching communication mode] |
US20070142047A1 (en) * | 2005-12-19 | 2007-06-21 | Motorola, Inc. | Method and apparatus for managing incoming calls using different voice services on a multi-mode wireless device |
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2004
- 2004-09-09 JP JP2004262112A patent/JP4620414B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-07 US US11/574,960 patent/US8391916B2/en active Active
- 2005-09-07 WO PCT/JP2005/016439 patent/WO2006028145A1/ja active Application Filing
- 2005-09-07 KR KR1020077005599A patent/KR20070042200A/ko active Search and Examination
- 2005-09-07 CN CNA2005800302320A patent/CN101015228A/zh active Pending
Patent Citations (2)
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JP2001145156A (ja) * | 1999-11-10 | 2001-05-25 | Sharp Corp | デュアル待ち受け携帯電話端末 |
JP2004228704A (ja) * | 2003-01-20 | 2004-08-12 | Kyocera Corp | 無線通信端末及び通信方式切替方法 |
Also Published As
Publication number | Publication date |
---|---|
US20080261648A1 (en) | 2008-10-23 |
KR20070042200A (ko) | 2007-04-20 |
JP4620414B2 (ja) | 2011-01-26 |
CN101015228A (zh) | 2007-08-08 |
JP2006080839A (ja) | 2006-03-23 |
US8391916B2 (en) | 2013-03-05 |
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