HK1102247A1 - Method and apparatus for predictably switching diversity antennas on signal dropout - Google Patents
Method and apparatus for predictably switching diversity antennas on signal dropoutInfo
- Publication number
- HK1102247A1 HK1102247A1 HK07110242.8A HK07110242A HK1102247A1 HK 1102247 A1 HK1102247 A1 HK 1102247A1 HK 07110242 A HK07110242 A HK 07110242A HK 1102247 A1 HK1102247 A1 HK 1102247A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- signal
- predictably
- diode
- rssi
- pin
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
-
- 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
- H04B7/0814—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 based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
-
- 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
-
- 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
- H04B7/0831—Compensation of the diversity switching process for non-uniform properties or faulty operations of the switches used in the diversity switching process
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/304,972 US6296565B1 (en) | 1999-05-04 | 1999-05-04 | Method and apparatus for predictably switching diversity antennas on signal dropout |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1102247A1 true HK1102247A1 (en) | 2007-11-09 |
Family
ID=23178751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK07110242.8A HK1102247A1 (en) | 1999-05-04 | 2007-09-20 | Method and apparatus for predictably switching diversity antennas on signal dropout |
Country Status (11)
Country | Link |
---|---|
US (2) | US6296565B1 (fr) |
EP (4) | EP1764931A1 (fr) |
JP (1) | JP4755764B2 (fr) |
KR (1) | KR100667382B1 (fr) |
CN (1) | CN1359564A (fr) |
AT (2) | ATE437483T1 (fr) |
DE (2) | DE60042602D1 (fr) |
DK (2) | DK1764930T3 (fr) |
HK (1) | HK1102247A1 (fr) |
TW (1) | TW504907B (fr) |
WO (1) | WO2000067395A1 (fr) |
Families Citing this family (42)
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US6296565B1 (en) * | 1999-05-04 | 2001-10-02 | Shure Incorporated | Method and apparatus for predictably switching diversity antennas on signal dropout |
JP3458772B2 (ja) * | 1999-06-30 | 2003-10-20 | 日本電気株式会社 | ディジタル多重受信装置及び受信方法 |
JP4232879B2 (ja) * | 1999-09-02 | 2009-03-04 | パナソニック株式会社 | 通信装置 |
US7088965B1 (en) * | 2002-01-08 | 2006-08-08 | Sprint Spectrum L.P. | Fractal antenna system and method for improved wireless telecommunications |
US7242917B2 (en) * | 2002-11-05 | 2007-07-10 | Motorola Inc. | Apparatus and method for antenna attachment |
JP3952404B2 (ja) * | 2003-05-19 | 2007-08-01 | ソニー株式会社 | 受信装置 |
KR100613580B1 (ko) * | 2004-06-24 | 2006-08-16 | 주식회사 팬택앤큐리텔 | 분리도를 개선시킨 듀얼 안테나 장치 |
US7696946B2 (en) * | 2004-08-18 | 2010-04-13 | Ruckus Wireless, Inc. | Reducing stray capacitance in antenna element switching |
US7880683B2 (en) | 2004-08-18 | 2011-02-01 | Ruckus Wireless, Inc. | Antennas with polarization diversity |
US8031129B2 (en) | 2004-08-18 | 2011-10-04 | Ruckus Wireless, Inc. | Dual band dual polarization antenna array |
US7652632B2 (en) | 2004-08-18 | 2010-01-26 | Ruckus Wireless, Inc. | Multiband omnidirectional planar antenna apparatus with selectable elements |
US7193562B2 (en) | 2004-11-22 | 2007-03-20 | Ruckus Wireless, Inc. | Circuit board having a peripheral antenna apparatus with selectable antenna elements |
US7292198B2 (en) | 2004-08-18 | 2007-11-06 | Ruckus Wireless, Inc. | System and method for an omnidirectional planar antenna apparatus with selectable elements |
US7965252B2 (en) | 2004-08-18 | 2011-06-21 | Ruckus Wireless, Inc. | Dual polarization antenna array with increased wireless coverage |
JP2006067281A (ja) | 2004-08-27 | 2006-03-09 | Matsushita Electric Ind Co Ltd | アンテナスイッチモジュール |
CN1934750B (zh) | 2004-11-22 | 2012-07-18 | 鲁库斯无线公司 | 包括具有可选择天线元件的外围天线装置的电路板 |
US7358912B1 (en) | 2005-06-24 | 2008-04-15 | Ruckus Wireless, Inc. | Coverage antenna apparatus with selectable horizontal and vertical polarization elements |
US7646343B2 (en) | 2005-06-24 | 2010-01-12 | Ruckus Wireless, Inc. | Multiple-input multiple-output wireless antennas |
US7893882B2 (en) * | 2007-01-08 | 2011-02-22 | Ruckus Wireless, Inc. | Pattern shaping of RF emission patterns |
JP2007103991A (ja) * | 2005-09-30 | 2007-04-19 | Hitachi Kokusai Electric Inc | ダイバーシティ受信の位相制御方法および装置 |
US20070135154A1 (en) * | 2005-12-14 | 2007-06-14 | Motorola, Inc. | Method and system for controlling transmitter power using antenna loading on a multi-antenna system |
DE102006032822A1 (de) * | 2006-07-14 | 2008-01-24 | Sennheiser Electronic Gmbh & Co. Kg | Tragbares mobiles Endgerät |
WO2008074343A2 (fr) * | 2006-12-19 | 2008-06-26 | Akg Acoustics Gmbh | Dispositif de réception de diversité |
US8115637B2 (en) | 2008-06-03 | 2012-02-14 | Micron Technology, Inc. | Systems and methods to selectively connect antennas to receive and backscatter radio frequency signals |
JP2011524050A (ja) | 2008-06-12 | 2011-08-25 | マゼラン テクノロジー ピーティーワイ.エルティーディー. | アンテナ設計およびインテロゲータシステム |
EP2207273B1 (fr) | 2009-01-09 | 2016-01-06 | AKG Acoustics GmbH | Procédé et dispositif de réception de données audio numériques |
US8217843B2 (en) | 2009-03-13 | 2012-07-10 | Ruckus Wireless, Inc. | Adjustment of radiation patterns utilizing a position sensor |
US8698675B2 (en) | 2009-05-12 | 2014-04-15 | Ruckus Wireless, Inc. | Mountable antenna elements for dual band antenna |
US8049574B2 (en) * | 2009-05-18 | 2011-11-01 | Lockheed Martin Corporation | High power UHF single-pole multi-throw switch |
US9407012B2 (en) | 2010-09-21 | 2016-08-02 | Ruckus Wireless, Inc. | Antenna with dual polarization and mountable antenna elements |
US8803681B2 (en) * | 2011-09-09 | 2014-08-12 | Favepc Inc. | Object finder |
US8756668B2 (en) | 2012-02-09 | 2014-06-17 | Ruckus Wireless, Inc. | Dynamic PSK for hotspots |
US9634403B2 (en) | 2012-02-14 | 2017-04-25 | Ruckus Wireless, Inc. | Radio frequency emission pattern shaping |
US10186750B2 (en) | 2012-02-14 | 2019-01-22 | Arris Enterprises Llc | Radio frequency antenna array with spacing element |
US9092610B2 (en) | 2012-04-04 | 2015-07-28 | Ruckus Wireless, Inc. | Key assignment for a brand |
US9570799B2 (en) | 2012-09-07 | 2017-02-14 | Ruckus Wireless, Inc. | Multiband monopole antenna apparatus with ground plane aperture |
US9179336B2 (en) | 2013-02-19 | 2015-11-03 | Mimosa Networks, Inc. | WiFi management interface for microwave radio and reset to factory defaults |
US9520935B2 (en) | 2013-03-15 | 2016-12-13 | Shure Acquisition Holdings, Inc. | Wireless audio receiver system and method |
CN105051975B (zh) | 2013-03-15 | 2019-04-19 | 艾锐势有限责任公司 | 用于双频带定向天线的低频带反射器 |
US9379789B2 (en) * | 2013-07-03 | 2016-06-28 | Qualcomm Incorporated | Antenna selection adjustment |
US9998246B2 (en) | 2014-03-13 | 2018-06-12 | Mimosa Networks, Inc. | Simultaneous transmission on shared channel |
US9990712B2 (en) | 2015-04-08 | 2018-06-05 | Algotec Systems Ltd. | Organ detection and segmentation |
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US4153878A (en) * | 1977-05-02 | 1979-05-08 | Motorola, Inc. | Sectored antenna communications receiver with squelch circuit |
US4370522A (en) * | 1980-03-03 | 1983-01-25 | Pioneer Electronic Corporation | FM Receiver for use with motorcars |
US4293955A (en) | 1980-03-17 | 1981-10-06 | Telex Communications, Inc. | Diversity reception system |
JPS56168440A (en) * | 1980-05-30 | 1981-12-24 | Nissan Motor Co Ltd | Diversity receiver for car |
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JPS61257026A (ja) * | 1985-05-10 | 1986-11-14 | Pioneer Electronic Corp | 音声多重tvチユ−ナ |
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US5742896A (en) | 1990-11-09 | 1998-04-21 | Bose Corporation | Diversity reception with selector switching at superaudible rate |
JPH04274625A (ja) * | 1991-03-01 | 1992-09-30 | Toshiba Corp | ダイバーシチアンテナ装置 |
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JPH0746168A (ja) | 1993-07-27 | 1995-02-14 | Matsushita Electric Ind Co Ltd | ダイバーシティ受信機 |
KR960009446B1 (en) * | 1993-12-23 | 1996-07-19 | Hyundai Electronics Ind | A diversity device of gps antenna |
JPH07221681A (ja) * | 1994-02-07 | 1995-08-18 | Hitachi Ltd | ダイバーシチ装置 |
JPH0818493A (ja) * | 1994-06-30 | 1996-01-19 | Casio Comput Co Ltd | アンテナ制御装置 |
JP3022194B2 (ja) | 1994-09-02 | 2000-03-15 | 三菱電機株式会社 | ダイバーシチ受信装置 |
US5517686A (en) | 1994-09-29 | 1996-05-14 | Delco Electronics Corporation | Diversity receiver for FM stereo utilizing a pilot tone multiple for phase alignment of received signals |
US5777693A (en) | 1994-10-04 | 1998-07-07 | Matsushita Electric Industrial Co., Ltd. | Diversity receiving apparatus for a mobile unit |
US5603107A (en) | 1995-06-09 | 1997-02-11 | Ford Motor Company | Switching system for diversity antenna FM receiver |
US5697081A (en) * | 1995-09-12 | 1997-12-09 | Oki Telecom, Inc. | Intermodulation distortion reduction circuit utilizing variable attenuation |
US6023615A (en) * | 1995-11-29 | 2000-02-08 | Motorola, Inc. | Method for controlling a diversity receiver apparatus in a radio subscriber unit |
US6018651A (en) * | 1995-11-29 | 2000-01-25 | Motorola, Inc. | Radio subscriber unit having a switched antenna diversity apparatus and method therefor |
US5940452A (en) * | 1995-11-29 | 1999-08-17 | Motorola, Inc. | Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor |
US5754583A (en) * | 1996-05-06 | 1998-05-19 | Motorola, Inc. | Communication device and method for determining finger lock status in a radio receiver |
KR19980033998A (ko) * | 1996-11-04 | 1998-08-05 | 김광호 | 무선 전송 시스템에서 공간 다이버시티를 적용한 수신 장치 및 방법 |
US5710995A (en) * | 1997-01-16 | 1998-01-20 | Ford Motor Company | Adaptive antenna receiver |
US6296565B1 (en) * | 1999-05-04 | 2001-10-02 | Shure Incorporated | Method and apparatus for predictably switching diversity antennas on signal dropout |
-
1999
- 1999-05-04 US US09/304,972 patent/US6296565B1/en not_active Expired - Lifetime
-
2000
- 2000-05-01 JP JP2000616139A patent/JP4755764B2/ja not_active Expired - Lifetime
- 2000-05-01 KR KR1020017014037A patent/KR100667382B1/ko active IP Right Grant
- 2000-05-01 WO PCT/US2000/011776 patent/WO2000067395A1/fr active IP Right Grant
- 2000-05-01 EP EP07000099A patent/EP1764931A1/fr not_active Withdrawn
- 2000-05-01 CN CN00808842A patent/CN1359564A/zh active Pending
- 2000-05-01 EP EP07000100A patent/EP1764932A1/fr not_active Withdrawn
- 2000-05-03 AT AT07000098T patent/ATE437483T1/de active
- 2000-05-03 DK DK07000098T patent/DK1764930T3/da active
- 2000-05-03 DK DK00930268T patent/DK1222754T3/da active
- 2000-05-03 TW TW089108393A patent/TW504907B/zh not_active IP Right Cessation
- 2000-05-03 AT AT00930268T patent/ATE437482T1/de active
- 2000-05-03 DE DE60042602T patent/DE60042602D1/de not_active Expired - Lifetime
- 2000-05-03 EP EP00930268A patent/EP1222754B1/fr not_active Expired - Lifetime
- 2000-05-03 EP EP07000098A patent/EP1764930B1/fr not_active Expired - Lifetime
- 2000-05-03 DE DE60042621T patent/DE60042621D1/de not_active Expired - Lifetime
-
2001
- 2001-04-12 US US09/833,362 patent/US6871054B2/en not_active Expired - Lifetime
-
2007
- 2007-09-20 HK HK07110242.8A patent/HK1102247A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ATE437482T1 (de) | 2009-08-15 |
EP1764930A1 (fr) | 2007-03-21 |
EP1222754A4 (fr) | 2005-07-13 |
EP1764930B1 (fr) | 2009-07-22 |
JP4755764B2 (ja) | 2011-08-24 |
DK1764930T3 (da) | 2009-11-23 |
US6296565B1 (en) | 2001-10-02 |
DE60042602D1 (de) | 2009-09-03 |
EP1764931A1 (fr) | 2007-03-21 |
DE60042621D1 (de) | 2009-09-03 |
DK1222754T3 (da) | 2009-11-16 |
JP2003512745A (ja) | 2003-04-02 |
EP1222754A1 (fr) | 2002-07-17 |
EP1764932A1 (fr) | 2007-03-21 |
KR20010113908A (ko) | 2001-12-28 |
EP1222754B1 (fr) | 2009-07-22 |
ATE437483T1 (de) | 2009-08-15 |
KR100667382B1 (ko) | 2007-01-10 |
WO2000067395A1 (fr) | 2000-11-09 |
US6871054B2 (en) | 2005-03-22 |
TW504907B (en) | 2002-10-01 |
CN1359564A (zh) | 2002-07-17 |
US20010046848A1 (en) | 2001-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CHRG | Changes in the register |
Free format text: CORRECTION OF THE EP APPLICATION FILING DATE FROM 01.05.2000 TO 03.05.2000 |