CA2424101A1 - Efficiently generating selectable antenna polarization - Google Patents
Efficiently generating selectable antenna polarization Download PDFInfo
- Publication number
- CA2424101A1 CA2424101A1 CA002424101A CA2424101A CA2424101A1 CA 2424101 A1 CA2424101 A1 CA 2424101A1 CA 002424101 A CA002424101 A CA 002424101A CA 2424101 A CA2424101 A CA 2424101A CA 2424101 A1 CA2424101 A1 CA 2424101A1
- Authority
- CA
- Canada
- Prior art keywords
- input
- output
- coupler
- antenna
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000010287 polarization Effects 0.000 title claims abstract 41
- 230000005540 biological transmission Effects 0.000 claims abstract 7
- 238000002955 isolation Methods 0.000 claims 8
- 238000005070 sampling Methods 0.000 claims 4
- 230000005670 electromagnetic radiation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Details Of Aerials (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Abstract
An antenna system (10) capable of transmitting electromagnetic radiation usi ng the technique of combining two quadrature signals for either right hand circular polarization or left hand circular polarization using a circularly polarized antenna (30), or alternately, either horizontal or vertical polarization using a linearly polarized antenna (36) while incorporating feedback for automatically correcting for amplitude and phase variations in the quadrature paths using a switch (12) which selects the sense of the polarization and electronic optimization of the transmit antenna (30, 36). T he antenna system includes a control circuit having a polarization switch (12) for receiving a transmission signal. The switch (12) generates first and second output signals which are substantially similar to the transmission signal, and determines whether to apply the transmission signal to one of a first or a second switch output. A coupler (14) receives the first and secon d switch outputs and generates first and second output signals having a predetermined phase difference. A variable detector (16, 18) detects and adjusts a relative amplitude and phase of the respective first and second output signals. An error correction circuit (34) determines an adjustment to the variable phase detector to vary the phase and amplitude of the first and second output signals in accordance with the relative amplitude and phase of the respective first and second output signals.
Claims (19)
1. An antenna polarization control circuit, the antenna polarization control circuit receiving a transmission signal, comprising:
a polarization switch for receiving the transmission signal, the polarization switch generating a first and second output signal, each first and second output signal being substantially similar to the transmission signal, the polarization switch having a first switch output and a second switch output, where the polarization switch selects whether to apply the transmission signal to the first switch output or the second switch output;
a coupler, the coupler having first and second inputs respectively connected to the first and second switch outputs, the coupler having first and second coupler outputs, the coupler generating a first output signal for output on the first coupler output and a second output signal for output on the second coupler output, wherein the first and second output signals have a predetermined phase difference;
a variable detector for detecting and adjusting relative amplitude and phase of the first and second output signals; and an error correction circuit for determining an adjustment to the variable detector to vary phase and amplitude of the first and second output signals in accordance with the relative amplitude and phase of the first and second output signals.
a polarization switch for receiving the transmission signal, the polarization switch generating a first and second output signal, each first and second output signal being substantially similar to the transmission signal, the polarization switch having a first switch output and a second switch output, where the polarization switch selects whether to apply the transmission signal to the first switch output or the second switch output;
a coupler, the coupler having first and second inputs respectively connected to the first and second switch outputs, the coupler having first and second coupler outputs, the coupler generating a first output signal for output on the first coupler output and a second output signal for output on the second coupler output, wherein the first and second output signals have a predetermined phase difference;
a variable detector for detecting and adjusting relative amplitude and phase of the first and second output signals; and an error correction circuit for determining an adjustment to the variable detector to vary phase and amplitude of the first and second output signals in accordance with the relative amplitude and phase of the first and second output signals.
2. The antenna polarization control circuit of claim 1 wherein the variable detector further comprises:
a first variable detector for receiving and adjusting the first output signal and generating a first baseline signal; and a second variable detector for receiving and adjusting the second output signal and generating a second baseline signal.
a first variable detector for receiving and adjusting the first output signal and generating a first baseline signal; and a second variable detector for receiving and adjusting the second output signal and generating a second baseline signal.
3. The antenna polarization control circuit of claim 2 further comprising a baseline coupler for receiving at least a portion of the first baseline signal and at least a portion of the second baseline signal, the baseline coupler generating a first coupled signal and a second coupled signal for input to the error correction circuit.
4. The antenna polarization control circuit of claim 2 further comprising an output coupler for receiving the first baseline signal and the second baseline signal, the output coupler generating first and second coupled baseline output signals.
5. The antenna polarization control circuit of claim 4, wherein the first and second output signals are output to a transducer, the transducer combining the first and second output signals to generate an antenna signal.
6. The antenna polarization control circuit of claim 1 wherein the coupler generates one of the first and second coupler outputs to a first polarization and an opposite polarization to another of the first and second coupler outputs in accordance with a selection of the polarization switch.
7. The antenna polarization control circuit of claim 6 wherein the opposite polarization is selected from one group of right hand circular polarization and left hand circular polarization.
8. The antenna polarization control circuit of claim 6 wherein the opposite polarization is selected from the group of horizontal polarization and vertical polarization.
9. An antenna system comprising:
a polarization switch, the polarization switch having an input for receiving an input signal and a first and second switch output, the polarization switch selecting one of the first and second switch outputs for receiving the input signal;
an input coupler, the input coupler having a first input and a second input for generating respective first and second input coupler signals, wherein the first and second input coupler signals have a predetermined phase difference, the first switch output of the polarization switch connected to the first input of the input coupler, the second switch output of the polarization switch connected to the second input of the input coupler;
a first amplitude and phase variable detector, the first amplitude and phase variable detector receiving as an input the first input coupler signal, the first amplitude and phase variable detector generating a first baseline signal;
a second amplitude and phase variable detector, the second amplitude and phase variable detector receiving as an input the second input coupler signal, the second amplitude and phase variable detector generating a second baseline signal;
an error correction circuit, the error correction circuit receiving the first and second baseline signals, the error correction circuit generating control signals to vary the first and second baseline signals of the first and second amplitude and phase variable detectors;
a transducer, the transducer receiving the first and second baseline signals and generating an antenna signal; and an antenna, the antenna having an input port receiving the antenna signal.
a polarization switch, the polarization switch having an input for receiving an input signal and a first and second switch output, the polarization switch selecting one of the first and second switch outputs for receiving the input signal;
an input coupler, the input coupler having a first input and a second input for generating respective first and second input coupler signals, wherein the first and second input coupler signals have a predetermined phase difference, the first switch output of the polarization switch connected to the first input of the input coupler, the second switch output of the polarization switch connected to the second input of the input coupler;
a first amplitude and phase variable detector, the first amplitude and phase variable detector receiving as an input the first input coupler signal, the first amplitude and phase variable detector generating a first baseline signal;
a second amplitude and phase variable detector, the second amplitude and phase variable detector receiving as an input the second input coupler signal, the second amplitude and phase variable detector generating a second baseline signal;
an error correction circuit, the error correction circuit receiving the first and second baseline signals, the error correction circuit generating control signals to vary the first and second baseline signals of the first and second amplitude and phase variable detectors;
a transducer, the transducer receiving the first and second baseline signals and generating an antenna signal; and an antenna, the antenna having an input port receiving the antenna signal.
10. The antenna system of Claim 9 wherein the antenna is a circularly polarized antenna.
11. The antenna system of Claim 10 wherein the input coupler is a 3dB
coupler.
coupler.
12. The antenna system of Claim 9 wherein the input coupler is a 3dB
coupler.
coupler.
13. The antenna system of Claim 9 wherein the antenna is a linearly polarized antenna.
14. An antenna polarization control circuit comprising:
a switch, the switch have an input and a first output and a second output, for selecting an antenna polarization;
an input coupler, the input coupler having a first input and a second input and a first output and a second output, the first and second outputs separated in phase by 90 degrees, the first output of the switch connected to the first input of the input coupler, the second output of the switch connected to the second input of the input coupler, for facilitating an antenna polarization;
a first amplitude and phase variable element, the first amplitude and phase variable element having an input, a variable input, and an output, the first output of the input coupler connected to the input of the first amplitude and phase variable element;
a second amplitude and phase variable element, the second amplitude and phase variable element having an input, a variable input, and an output, the second output of the input coupler connected to the input of the second amplitude and phase variable element;
a first amplifier, the first amplifier having an input and an output, the output of the first amplitude and phase variable element connected to the input of the first amplifier;
a second amplifier, the second amplifier having an input and an output, the output of the second amplifier and the second amplitude phase variable element connected to the input of the second amplifier;
a second coupler, the second coupler having an input, an output, and a sampling output, the output of the first amplifier connected to the input of the second coupler, the second coupler generating a second coupled signal at said output of the second coupler;
a third coupler, the third coupler having an input, an output, and a sampling output, the output of the second amplifier connected to the input of the third coupler, the third coupler generating a third coupled signal at said output of the second coupler;
an isolation switch, the isolation switch having a first input and a second input and a first output and a second output, the first and second outputs separated in phase by 90 degrees, the sampling output of the second coupler connected to the first input of the isolation switch, the sampling output of the third coupler connected to the second input of the isolation switch, the isolation switch generating feedback error signals;
amplitude and phase error correction circuitry, the amplitude and phase error correction circuitry having a first input and a second input and a first output and a second output, the first input of the amplitude and phase error correction circuitry connected to the first output of the isolation switch, the second input of the amplitude and phase error correction circuitry connected to the second output of the isolation switch, the first output of the amplitude and phase error correction circuitry connected to the variable input of the first amplitude and phase variable element, the second output of the amplitude and phase error correction circuitry connected to the variable input of the second amplitude and phase variable element;
a fourth coupler, the fourth coupler having a first input and second input and a first output and second output, the first and second outputs separated in phase by 90 degrees, the first input of the fourth coupler receiving the second coupled signal, the second input of the fourth coupler receiving the third coupled signal, said fourth coupler recombining the outputs of the first and second amplifiers to produce a first transducer input signal and second transducer input signal;
an ortho-mode transducer receiving the first transducer input signal and the second transducer input signal, the ortho-mode transducer having a first input, a second input, and an output, the ortho-mode transducer generating an antenna signal from the first transducer input signal and the second transducer input signal;
and an antenna, the antenna having an input port, the input port receiving the antenna signal.
a switch, the switch have an input and a first output and a second output, for selecting an antenna polarization;
an input coupler, the input coupler having a first input and a second input and a first output and a second output, the first and second outputs separated in phase by 90 degrees, the first output of the switch connected to the first input of the input coupler, the second output of the switch connected to the second input of the input coupler, for facilitating an antenna polarization;
a first amplitude and phase variable element, the first amplitude and phase variable element having an input, a variable input, and an output, the first output of the input coupler connected to the input of the first amplitude and phase variable element;
a second amplitude and phase variable element, the second amplitude and phase variable element having an input, a variable input, and an output, the second output of the input coupler connected to the input of the second amplitude and phase variable element;
a first amplifier, the first amplifier having an input and an output, the output of the first amplitude and phase variable element connected to the input of the first amplifier;
a second amplifier, the second amplifier having an input and an output, the output of the second amplifier and the second amplitude phase variable element connected to the input of the second amplifier;
a second coupler, the second coupler having an input, an output, and a sampling output, the output of the first amplifier connected to the input of the second coupler, the second coupler generating a second coupled signal at said output of the second coupler;
a third coupler, the third coupler having an input, an output, and a sampling output, the output of the second amplifier connected to the input of the third coupler, the third coupler generating a third coupled signal at said output of the second coupler;
an isolation switch, the isolation switch having a first input and a second input and a first output and a second output, the first and second outputs separated in phase by 90 degrees, the sampling output of the second coupler connected to the first input of the isolation switch, the sampling output of the third coupler connected to the second input of the isolation switch, the isolation switch generating feedback error signals;
amplitude and phase error correction circuitry, the amplitude and phase error correction circuitry having a first input and a second input and a first output and a second output, the first input of the amplitude and phase error correction circuitry connected to the first output of the isolation switch, the second input of the amplitude and phase error correction circuitry connected to the second output of the isolation switch, the first output of the amplitude and phase error correction circuitry connected to the variable input of the first amplitude and phase variable element, the second output of the amplitude and phase error correction circuitry connected to the variable input of the second amplitude and phase variable element;
a fourth coupler, the fourth coupler having a first input and second input and a first output and second output, the first and second outputs separated in phase by 90 degrees, the first input of the fourth coupler receiving the second coupled signal, the second input of the fourth coupler receiving the third coupled signal, said fourth coupler recombining the outputs of the first and second amplifiers to produce a first transducer input signal and second transducer input signal;
an ortho-mode transducer receiving the first transducer input signal and the second transducer input signal, the ortho-mode transducer having a first input, a second input, and an output, the ortho-mode transducer generating an antenna signal from the first transducer input signal and the second transducer input signal;
and an antenna, the antenna having an input port, the input port receiving the antenna signal.
15. The antenna polarization control circuit of Claim 14 wherein the antenna is a circularly polarized antenna.
16. The antenna polarization control circuit of Claim 14 wherein the input coupler is a 3dB coupler.
17. The antenna polarization control circuit of Claim 14 wherein the isolation switch is a 3dB coupler.
18. The antenna polarization control circuit of Claim 14 wherein the antenna is a linearly polarized antenna.
19. The antenna polarization control circuit of Claim 14 wherein the fourth coupler is a 3dB coupler.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/687,361 | 2000-10-13 | ||
| US09/687,361 US6262690B1 (en) | 2000-10-13 | 2000-10-13 | Method for efficiently generating selectable antenna polarization |
| PCT/US2001/042633 WO2002031917A2 (en) | 2000-10-13 | 2001-10-10 | Efficiently generating selectable antenna polarization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2424101A1 true CA2424101A1 (en) | 2002-04-18 |
| CA2424101C CA2424101C (en) | 2010-04-13 |
Family
ID=24760162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2424101A Expired - Fee Related CA2424101C (en) | 2000-10-13 | 2001-10-10 | Efficiently generating selectable antenna polarization |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6262690B1 (en) |
| EP (1) | EP1329001B1 (en) |
| AT (1) | ATE302474T1 (en) |
| AU (1) | AU2002211895A1 (en) |
| CA (1) | CA2424101C (en) |
| DE (1) | DE60112785T2 (en) |
| WO (1) | WO2002031917A2 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2820910B1 (en) * | 2001-02-15 | 2004-07-09 | Thomson Multimedia Sa | VARIABLE POWER TRANSMISSION DEVICE |
| WO2004070971A1 (en) * | 2003-02-04 | 2004-08-19 | Jyoti Prasad | Polarization coding |
| US7724189B2 (en) * | 2004-11-24 | 2010-05-25 | Agilent Technologies, Inc. | Broadband binary phased antenna |
| DE102006029317A1 (en) * | 2006-06-23 | 2007-12-27 | Selex Sistemi Integrati Gmbh | Polarization modulated transmitter |
| US7460077B2 (en) * | 2006-12-21 | 2008-12-02 | Raytheon Company | Polarization control system and method for an antenna array |
| KR100873485B1 (en) * | 2007-06-11 | 2008-12-15 | 한국전자통신연구원 | Apparatus for tracking polarization |
| US7865152B2 (en) * | 2007-10-19 | 2011-01-04 | Raytheon Company | RF waveform modulation apparatus and method |
| DE102009011542A1 (en) * | 2009-03-03 | 2010-09-09 | Heinz Prof. Dr.-Ing. Lindenmeier | Antenna for receiving circularly in a direction of rotation of the polarization of broadcast satellite radio signals |
| ES2384714B1 (en) * | 2009-07-27 | 2013-05-20 | Vodafone España, S.A.U. | SYSTEM AND PROCEDURE TO SEND A RADIO SIGNAL IN A MOBILE COMMUNICATION NETWORK. |
| TW201126809A (en) * | 2009-11-06 | 2011-08-01 | Viasat Inc | Automated beam peaking satellite ground terminal |
| GB2476252B (en) | 2009-12-17 | 2012-10-24 | Socowave Technologies Ltd | Communication unit, integrated circuit and method of diverse polarisation |
| US8918057B2 (en) * | 2010-07-26 | 2014-12-23 | Mediatek Inc. | Intelligent transmission antenna selection method and communications apparatus utilizing the same |
| GB2482912A (en) | 2010-08-20 | 2012-02-22 | Socowave Technologies Ltd | Polarisation control device, integrated circuit and method for compensating phase mismatch |
| GB2485543B (en) | 2010-11-17 | 2014-03-12 | Socowave Technologies Ltd | Mimo antenna calibration device,integrated circuit and method for compensating phase mismatch |
| US8811531B2 (en) * | 2011-03-23 | 2014-08-19 | Triquint Semiconductor, Inc. | Quadrature lattice matching network |
| CN103378899B (en) * | 2012-04-25 | 2016-03-30 | 中兴通讯股份有限公司 | A kind of control method and system applying cross polarization interference canceler |
| WO2014005304A1 (en) | 2012-07-04 | 2014-01-09 | 华为技术有限公司 | Microwave communication device and microwave communication system |
| CN105206898B (en) * | 2012-07-04 | 2018-11-30 | 华为技术有限公司 | Microwave telecommunication devices and microwave telecommunication system |
| CN110800210A (en) * | 2017-06-30 | 2020-02-14 | 英特尔公司 | Wireless architecture and Digital Predistortion (DPD) techniques using closed loop feedback for phased array transmitters |
| CN109509984B (en) * | 2018-12-29 | 2023-11-28 | 西安恒达微波技术开发有限公司 | Single pulse polarization-changing system applied to target tracking |
| CN111865392B (en) * | 2019-04-24 | 2021-10-22 | 华为技术有限公司 | Polarization reconfigurable device, communication equipment and polarization reconfigurable method |
| US10651565B1 (en) * | 2019-04-29 | 2020-05-12 | Microsoft Technology Licensing, Llc | Antenna polarization diversity |
| CN110166099A (en) * | 2019-05-07 | 2019-08-23 | 中国电子科技集团公司第三十八研究所 | One kind being used for the integrated broadband polarization emerging system of communication relay and method |
| CN110890631A (en) * | 2019-12-04 | 2020-03-17 | 中国电子科技集团公司第二十研究所 | Polarization feed network of multi-polarization mode |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005425A (en) | 1975-11-14 | 1977-01-25 | General Motors Corporation | Dual quadrature polarization radar system |
| US4088970A (en) | 1976-02-26 | 1978-05-09 | Raytheon Company | Phase shifter and polarization switch |
| US4710734A (en) | 1986-06-05 | 1987-12-01 | Itt Gilfillan, A Division Of Itt Corporation | Microwave polarization control network |
| US4754277A (en) * | 1986-09-02 | 1988-06-28 | The Boeing Company | Apparatus and method for producing linear frequency sweep |
| US5068668A (en) * | 1989-09-06 | 1991-11-26 | Hughes Aircraft Company | Adaptive polarization combining system |
| US5086301A (en) * | 1990-01-10 | 1992-02-04 | Intelsat | Polarization converter application for accessing linearly polarized satellites with single- or dual-circularly polarized earth station antennas |
| US5568158A (en) * | 1990-08-06 | 1996-10-22 | Gould; Harry J. | Electronic variable polarization antenna feed apparatus |
| US5222246A (en) * | 1990-11-02 | 1993-06-22 | General Electric Company | Parallel amplifiers with combining phase controlled from combiner difference port |
| DE9113444U1 (en) | 1991-10-29 | 1992-01-09 | Siemens Ag, 8000 Muenchen, De | |
| DE69320313T2 (en) | 1992-12-22 | 1998-12-24 | Thomson Multimedia Sa | Antenna system with spiral antennas |
| US5375257A (en) | 1993-12-06 | 1994-12-20 | Raytheon Company | Microwave switch |
| US6181920B1 (en) * | 1997-10-20 | 2001-01-30 | Ericsson Inc. | Transmitter that selectively polarizes a radio wave |
-
2000
- 2000-10-13 US US09/687,361 patent/US6262690B1/en not_active Expired - Lifetime
-
2001
- 2001-10-10 WO PCT/US2001/042633 patent/WO2002031917A2/en active IP Right Grant
- 2001-10-10 CA CA2424101A patent/CA2424101C/en not_active Expired - Fee Related
- 2001-10-10 EP EP01979988A patent/EP1329001B1/en not_active Expired - Lifetime
- 2001-10-10 DE DE60112785T patent/DE60112785T2/en not_active Expired - Lifetime
- 2001-10-10 AU AU2002211895A patent/AU2002211895A1/en not_active Abandoned
- 2001-10-10 AT AT01979988T patent/ATE302474T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1329001A2 (en) | 2003-07-23 |
| ATE302474T1 (en) | 2005-09-15 |
| WO2002031917A2 (en) | 2002-04-18 |
| EP1329001B1 (en) | 2005-08-17 |
| DE60112785D1 (en) | 2005-09-22 |
| US6262690B1 (en) | 2001-07-17 |
| AU2002211895A1 (en) | 2002-04-22 |
| CA2424101C (en) | 2010-04-13 |
| WO2002031917A3 (en) | 2002-06-20 |
| DE60112785T2 (en) | 2006-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20161011 |