CA2630567A1 - Self-installable switchable antenna - Google Patents
Self-installable switchable antenna Download PDFInfo
- Publication number
- CA2630567A1 CA2630567A1 CA002630567A CA2630567A CA2630567A1 CA 2630567 A1 CA2630567 A1 CA 2630567A1 CA 002630567 A CA002630567 A CA 002630567A CA 2630567 A CA2630567 A CA 2630567A CA 2630567 A1 CA2630567 A1 CA 2630567A1
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- CA
- Canada
- Prior art keywords
- antennas
- radio
- measuring
- antenna
- signals
- 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
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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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
-
- 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
-
- 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/084—Equal gain combining, only phase adjustments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
Abstract
A system, method, and apparatus for selecting a set of antennas, for use during operation of a radio system, from a plurality of antennas. The system, method and apparatus may include selecting one antenna that is part of an array of antennas. Then measuring characteristics of radio signals received at the antenna. The selection and measuring of characteristic is repeated for a desired number of antennas in the array. Then, the measurements are combined, and the combinations of antennas are ranked based upon the combined measurement. From the ranking combinations of antennas are selected for use during operation of a radio system.
Claims (43)
1. An antenna system comprising:
a plurality of antennas;
a switch matrix in communication with the plurality of antennas and adapted to couple selected antennas to a plurality of switch outputs;
a radio module in communication with a first switch output and adapted to receive radio frequency signals;
a measurement module in communication with the radio module, and adapted to measure characteristics of the radio frequency signals received by the radio module; and a control module adapted to control selection of which of the plurality of antennas is coupled to the first switch output, wherein during a selection phase the control module selectively couples a desired antenna to the first switch output and receives the measured characteristics of the radio frequency signal received by the selected antenna, the control module continues selecting and receiving measurements from a desired number of the plurality of antennas, then the control module combines the measurements from combinations of the antenna and determines a desired combination of antennas for use during an operational phase.
a plurality of antennas;
a switch matrix in communication with the plurality of antennas and adapted to couple selected antennas to a plurality of switch outputs;
a radio module in communication with a first switch output and adapted to receive radio frequency signals;
a measurement module in communication with the radio module, and adapted to measure characteristics of the radio frequency signals received by the radio module; and a control module adapted to control selection of which of the plurality of antennas is coupled to the first switch output, wherein during a selection phase the control module selectively couples a desired antenna to the first switch output and receives the measured characteristics of the radio frequency signal received by the selected antenna, the control module continues selecting and receiving measurements from a desired number of the plurality of antennas, then the control module combines the measurements from combinations of the antenna and determines a desired combination of antennas for use during an operational phase.
2. The antenna system of claim 1, wherein the control module during the selection phase selects antennas one at a time and ranks the antennas based upon the measured characteristics.
3. The antenna system of claim 1, wherein the combinations of antennas includes measurements from at least two antennas.
4. The antenna system of claim 1 further comprising:
a second switch output; and a second radio module in communication with the second switch output, wherein the control module selects one antenna to be communicatively coupled to the radio module and a second antenna to be communicatively coupled to the second radio module, wherein characteristics of the radio signal received by the second radio are communicated to the measurement module.
a second switch output; and a second radio module in communication with the second switch output, wherein the control module selects one antenna to be communicatively coupled to the radio module and a second antenna to be communicatively coupled to the second radio module, wherein characteristics of the radio signal received by the second radio are communicated to the measurement module.
5. The antenna system of claim 4, wherein measurements of the radio signal received by the radio module and the second radio module are made simultaneously.
6. A method of selecting a set of antenna from a plurality of antennas, the method comprising:
selecting one antenna within an array of antennas;
measuring characteristics of radio signals received at the antenna;
repeating selecting, and measuring, on a desired number of antennas within the array;
combining the measurements of the desired antennas into a plurality of combination measurements;
ranking the antenna combinations base upon the combination measurements; and selecting a desired combination of antennas for use during operation of a radio system.
selecting one antenna within an array of antennas;
measuring characteristics of radio signals received at the antenna;
repeating selecting, and measuring, on a desired number of antennas within the array;
combining the measurements of the desired antennas into a plurality of combination measurements;
ranking the antenna combinations base upon the combination measurements; and selecting a desired combination of antennas for use during operation of a radio system.
7. The method of claim 6, wherein the signals receiver are orthogonal frequency division multiplexed signals.
8. The method of claim 6, wherein measuring characteristics of the radio signal comprises measuring a degree of correlation of an amble in the signal to a known amble.
9. The method of claim 6, wherein measuring characteristics of the radio signal comprise combining signals received from two or more antennas and then measuring a degree of correlation of an amble in the combined signal to a known amble.
10. The method of claim 6, wherein measuring characteristics of the radio signal comprises an error vector measurement.
11. The method of claim 6, wherein measuring characteristics of the radio signal comprises measuring a signal to noise ratio.
12. The method of claim 6, wherein measuring characteristics of the radio signal comprises measuring a carrier to signal ratio.
13. The method of claim 6, wherein measuring characteristics of the radio signal comprises a signal fade measurement.
14. The method of claim 6, further comprising:
determining a phase of signals received from the desired number of antennas; and adjusting the phase of the signals of the selected set of antennas.
determining a phase of signals received from the desired number of antennas; and adjusting the phase of the signals of the selected set of antennas.
15. The method of claim 6, further comprising:
determining a timing of signals received from the desired number of antennas; and adjusting the timing of the signals of the selected set of antennas.
determining a timing of signals received from the desired number of antennas; and adjusting the timing of the signals of the selected set of antennas.
16. An antenna system comprising:
an array of antennas;
a switch matrix in communication with the array of antennas and adapted to couple selected antennas to a plurality of switch outputs;
a radio module in communication with a first switch output and adapted to receive radio frequency signals;
a measurement module in communication with the radio module, and adapted to measure characteristics of the radio frequency signals received by the radio module; and a control module adapted to control the switch matrix to selectively couple a desired antenna to the first switch output and receives the measured characteristics of the radio frequency signal received by the selected antenna, the control module continues selecting and receiving measurements from a desired number of the plurality of antennas, then combining the measurements of the plurality of antennas into a plurality of combination measurements and based upon the combination measurements, providing independent communication streams from selected combinations of antennas to a receiver.
an array of antennas;
a switch matrix in communication with the array of antennas and adapted to couple selected antennas to a plurality of switch outputs;
a radio module in communication with a first switch output and adapted to receive radio frequency signals;
a measurement module in communication with the radio module, and adapted to measure characteristics of the radio frequency signals received by the radio module; and a control module adapted to control the switch matrix to selectively couple a desired antenna to the first switch output and receives the measured characteristics of the radio frequency signal received by the selected antenna, the control module continues selecting and receiving measurements from a desired number of the plurality of antennas, then combining the measurements of the plurality of antennas into a plurality of combination measurements and based upon the combination measurements, providing independent communication streams from selected combinations of antennas to a receiver.
17. The antenna system of claim 16, wherein the radio frequency signals are orthogonal frequency division multiplexed signals.
18. The antenna system of claim 16, wherein measuring characteristics of the radio signal comprises measuring a degree of correlation of an amble in the signal to a known amble.
19. The antenna system of claim 16, wherein measuring characteristics of the radio signal comprise measuring a degree of correlation of an amble in the signal to a known amble.
20. The antenna system of claim 16, wherein measuring characteristics of the radio signal comprises an error vector measurement.
21. The antenna system of claim 16, wherein measuring characteristics of the radio signal comprises measuring a signal to noise ratio.
22. The antenna system of claim 16, wherein measuring characteristics of the radio signal comprises measuring a carrier to signal ratio.
23. The antenna system of claim 16, wherein measuring characteristics of the radio signal comprises a signal fade measurement.
24. The antenna system of claim 16, wherein measuring characteristics of the radio signal comprises measuring the phase of the radio signal.
25. The antenna system of claims 16, wherein measuring the characteristics of the radio signal comprises measuring the timing of the radio signal.
26. A method of selecting a set of antenna from an array of antennas, the method comprising:
selecting an antenna within an array of antennas;
measuring characteristics of radio signals received at the selected antenna;
repeating selecting, and measuring, on a desired number of antennas within the array;
combining the measurements of selected antennas into a plurality of combination measurements;
ranking the combinations of antenna base upon the combination measurements; and selecting combinations of antennas to thereby provide independent communication streams from the combinations to a receiver.
selecting an antenna within an array of antennas;
measuring characteristics of radio signals received at the selected antenna;
repeating selecting, and measuring, on a desired number of antennas within the array;
combining the measurements of selected antennas into a plurality of combination measurements;
ranking the combinations of antenna base upon the combination measurements; and selecting combinations of antennas to thereby provide independent communication streams from the combinations to a receiver.
27. The method of claim 26, wherein the signals receiver are orthogonal frequency division multiplexed signals.
28. The method of claim 26, wherein measuring characteristics of the radio signal comprises measuring a degree of correlation of an amble in the signal to a known amble.
29. The method of claim 26, wherein measuring characteristics of the radio signal comprise combining signals received from two or more antennas and then measuring a degree of correlation of an amble in the combined signal to a known amble.
30. The method of claim 26, wherein measuring characteristics of the radio signal comprises an error vector measurement.
31. The method of claim 26, wherein measuring characteristics of the radio signal comprises measuring a signal to noise ratio.
32. The method of claim 26, wherein measuring characteristics of the radio signal comprises measuring a carrier to signal ratio.
33. The method of claim 26, wherein measuring characteristics of the radio signal comprises a signal fade measurement.
34. The method of claim 26, further comprising:
determining a phase of signals received from the desired number of antennas; and adjusting the phase of the signals of the selected set of antennas.
determining a phase of signals received from the desired number of antennas; and adjusting the phase of the signals of the selected set of antennas.
35. The method of claim 26, further comprising:
determining a timing of signals received from the desired number of antennas; and adjusting the timing of the signals of the selected set of antennas.
determining a timing of signals received from the desired number of antennas; and adjusting the timing of the signals of the selected set of antennas.
36. An antenna system comprising:
an array of antennas;
a switch matrix in communication with the array of antennas and adapted to couple selected antennas to a plurality of switch outputs;
a radio module in communication with a first switch output and adapted to receive radio frequency signals;
a measurement module in communication with the radio module, and adapted to measure characteristics of the radio frequency signals received by the radio module; and a control module adapted to control the switch matrix to selectively couple a desired antenna to the first switch output and receives the measured characteristics of the radio frequency signal received by the selected antenna, the control module continues selecting and receiving measurements from a desired number of the plurality of antennas, then combining the measurements of the plurality of antennas into a plurality of combination measurements and based upon the combination measurements, providing independent communication streams from selected antennas to a receiver.
an array of antennas;
a switch matrix in communication with the array of antennas and adapted to couple selected antennas to a plurality of switch outputs;
a radio module in communication with a first switch output and adapted to receive radio frequency signals;
a measurement module in communication with the radio module, and adapted to measure characteristics of the radio frequency signals received by the radio module; and a control module adapted to control the switch matrix to selectively couple a desired antenna to the first switch output and receives the measured characteristics of the radio frequency signal received by the selected antenna, the control module continues selecting and receiving measurements from a desired number of the plurality of antennas, then combining the measurements of the plurality of antennas into a plurality of combination measurements and based upon the combination measurements, providing independent communication streams from selected antennas to a receiver.
37. The antenna system of claim 36, wherein the independent communication streams are baseband signals.
38. The antenna system of claim 36, wherein the independent communication streams are RF signals.
39. The antenna system of claim 36, wherein the independent communication streams are frequency domain signals.
40. A method of selecting a set of antenna from an array of antennas, the method comprising:
selecting an antenna within an array of antennas;
measuring characteristics of radio signals received at the selected antenna;
repeating selecting, and measuring, on a desired number of antennas within the array;
combining the measurements of selected antennas into a plurality of combination measurements;
ranking the combinations of antenna base upon the combination measurements; and selecting combinations of antennas to thereby provide independent communication streams to a receiver.
selecting an antenna within an array of antennas;
measuring characteristics of radio signals received at the selected antenna;
repeating selecting, and measuring, on a desired number of antennas within the array;
combining the measurements of selected antennas into a plurality of combination measurements;
ranking the combinations of antenna base upon the combination measurements; and selecting combinations of antennas to thereby provide independent communication streams to a receiver.
41. The antenna system of claim 40, wherein providing independent communication streams comprises providing baseband signals.
42. The antenna system of claim 40, wherein providing independent communication streams comprises providing RF signals.
43. The antenna system of claim 40, wherein providing independent communication streams comprises providing frequency domain signals.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74940105P | 2005-12-12 | 2005-12-12 | |
| US60/749,401 | 2005-12-12 | ||
| US76319606P | 2006-01-27 | 2006-01-27 | |
| US60/763,196 | 2006-01-27 | ||
| US77442806P | 2006-02-17 | 2006-02-17 | |
| US60/774,428 | 2006-02-17 | ||
| PCT/CA2006/001979 WO2007068087A1 (en) | 2005-12-12 | 2006-12-12 | Self-installable switchable antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2630567A1 true CA2630567A1 (en) | 2007-06-21 |
| CA2630567C CA2630567C (en) | 2012-11-13 |
Family
ID=38162507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2630567A Expired - Fee Related CA2630567C (en) | 2005-12-12 | 2006-12-12 | Self-installable switchable antenna |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US7792559B2 (en) |
| EP (1) | EP1964211A4 (en) |
| CA (1) | CA2630567C (en) |
| WO (1) | WO2007068087A1 (en) |
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| CA1033829A (en) | 1975-01-30 | 1978-06-27 | Everett E. Stevens | Rapid azimuthal determination of radio signals |
| US5065449A (en) * | 1987-08-03 | 1991-11-12 | Orion Industries | Booster diversity receiving system usable with cellular booster |
| US5117236A (en) * | 1990-10-19 | 1992-05-26 | Motorola, Inc. | Antenna pattern selection for optimized communications |
| KR960009446B1 (en) | 1993-12-23 | 1996-07-19 | Hyundai Electronics Ind | A diversity device of gps antenna |
| US5740526A (en) * | 1994-06-01 | 1998-04-14 | Bonta; Jeffrey D. | Method and apparatus for selecting two antennas from which to receive a communication signal |
| JPH08293846A (en) * | 1995-04-19 | 1996-11-05 | Sony Corp | Transmission/reception device |
| FR2780584B1 (en) | 1998-06-29 | 2006-12-15 | Canon Kk | DEVICE AND METHOD FOR ANTENNA SELECTION FOR A COMMUNICATION STATION |
| GB2347019A (en) | 1999-02-08 | 2000-08-23 | Motorola Ltd | An antenna array system |
| US20030002471A1 (en) * | 2001-03-06 | 2003-01-02 | Crawford James A. | Method for estimating carrier-to-noise-plus-interference ratio (CNIR) for OFDM waveforms and the use thereof for diversity antenna branch selection |
| JP3782330B2 (en) * | 2001-09-14 | 2006-06-07 | 富士通株式会社 | OFDM receiving method and OFDM receiving apparatus |
| US6907272B2 (en) | 2002-07-30 | 2005-06-14 | UNIVERSITé LAVAL | Array receiver with subarray selection |
| JP3891427B2 (en) * | 2002-12-27 | 2007-03-14 | 富士通株式会社 | Adaptive array antenna controller |
| US7352801B2 (en) * | 2003-03-13 | 2008-04-01 | Texas Instruments Incorporated | Selecting one of multiple antennas to receive signals in a wireless packet network |
| US7515939B2 (en) * | 2003-10-01 | 2009-04-07 | Broadcom Corporation | System and method for channel-adaptive antenna selection |
| US20050136844A1 (en) * | 2003-12-09 | 2005-06-23 | Giesberts Pieter-Paul S. | Method and apparatus for automatic data rate control using channel correlation in a wireless communication system |
| US7649833B2 (en) * | 2003-12-29 | 2010-01-19 | Intel Corporation | Multichannel orthogonal frequency division multiplexed receivers with antenna selection and maximum-ratio combining and associated methods |
| TWI271946B (en) * | 2004-01-14 | 2007-01-21 | Interdigital Tech Corp | Method and apparatus for dynamically selecting the best antennas/mode ports for transmission and reception |
| US7327983B2 (en) * | 2004-06-25 | 2008-02-05 | Mitsubishi Electric Research Laboratories, Inc. | RF-based antenna selection in MIMO systems |
-
2006
- 2006-12-12 WO PCT/CA2006/001979 patent/WO2007068087A1/en active Application Filing
- 2006-12-12 EP EP06840432A patent/EP1964211A4/en not_active Withdrawn
- 2006-12-12 CA CA2630567A patent/CA2630567C/en not_active Expired - Fee Related
- 2006-12-12 US US11/609,722 patent/US7792559B2/en not_active Expired - Fee Related
-
2010
- 2010-08-06 US US12/852,247 patent/US8090329B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20070173303A1 (en) | 2007-07-26 |
| US20100315312A1 (en) | 2010-12-16 |
| EP1964211A4 (en) | 2011-04-27 |
| WO2007068087A1 (en) | 2007-06-21 |
| US8090329B2 (en) | 2012-01-03 |
| EP1964211A1 (en) | 2008-09-03 |
| US7792559B2 (en) | 2010-09-07 |
| CA2630567C (en) | 2012-11-13 |
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| Date | Code | Title | Description |
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| EEER | Examination request | ||
| MKLA | Lapsed |
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