TW504907B - Method and apparatus for predictably switching diversity antennas on signal dropout - Google Patents
Method and apparatus for predictably switching diversity antennas on signal dropout Download PDFInfo
- Publication number
- TW504907B TW504907B TW089108393A TW89108393A TW504907B TW 504907 B TW504907 B TW 504907B TW 089108393 A TW089108393 A TW 089108393A TW 89108393 A TW89108393 A TW 89108393A TW 504907 B TW504907 B TW 504907B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- antenna
- receiving device
- patent application
- diversity receiving
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007423 decrease Effects 0.000 claims abstract description 13
- 230000002441 reversible effect Effects 0.000 claims abstract description 8
- 230000001965 increasing effect Effects 0.000 claims abstract description 5
- 230000002238 attenuated effect Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000005669 field effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 3
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 230000009429 distress Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 239000012771 household material Substances 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 12
- 230000002079 cooperative effect Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000004508 polar body Anatomy 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
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- 230000005404 monopole Effects 0.000 description 1
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- 230000010363 phase shift Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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 |
|---|---|
| TW504907B true TW504907B (en) | 2002-10-01 |
Family
ID=23178751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW089108393A TW504907B (en) | 1999-05-04 | 2000-05-03 | Method and apparatus for predictably switching diversity antennas on signal dropout |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US6296565B1 (enExample) |
| EP (4) | EP1764931A1 (enExample) |
| JP (1) | JP4755764B2 (enExample) |
| KR (1) | KR100667382B1 (enExample) |
| CN (1) | CN1359564A (enExample) |
| AT (2) | ATE437482T1 (enExample) |
| DE (2) | DE60042602D1 (enExample) |
| DK (2) | DK1222754T3 (enExample) |
| TW (1) | TW504907B (enExample) |
| WO (1) | WO2000067395A1 (enExample) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| JP4505274B2 (ja) * | 2004-06-30 | 2010-07-21 | オリンパス株式会社 | 受信システム |
| US7498996B2 (en) | 2004-08-18 | 2009-03-03 | Ruckus Wireless, Inc. | Antennas with polarization diversity |
| US7880683B2 (en) | 2004-08-18 | 2011-02-01 | Ruckus Wireless, Inc. | Antennas with polarization diversity |
| US7292198B2 (en) | 2004-08-18 | 2007-11-06 | Ruckus Wireless, Inc. | System and method for an omnidirectional planar antenna apparatus with selectable elements |
| US7652632B2 (en) | 2004-08-18 | 2010-01-26 | Ruckus Wireless, Inc. | Multiband omnidirectional planar antenna apparatus with selectable elements |
| US7362280B2 (en) | 2004-08-18 | 2008-04-22 | Ruckus Wireless, Inc. | System and method for a minimized 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 |
| US7696946B2 (en) * | 2004-08-18 | 2010-04-13 | Ruckus Wireless, Inc. | Reducing stray capacitance in antenna element switching |
| US7965252B2 (en) | 2004-08-18 | 2011-06-21 | Ruckus Wireless, Inc. | Dual polarization antenna array with increased wireless coverage |
| US8031129B2 (en) | 2004-08-18 | 2011-10-04 | Ruckus Wireless, Inc. | Dual band dual polarization antenna array |
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| 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 |
| US7893882B2 (en) | 2007-01-08 | 2011-02-22 | Ruckus Wireless, Inc. | Pattern shaping of RF emission patterns |
| US7646343B2 (en) * | 2005-06-24 | 2010-01-12 | Ruckus Wireless, Inc. | Multiple-input multiple-output wireless antennas |
| 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 |
| US7639106B2 (en) | 2006-04-28 | 2009-12-29 | Ruckus Wireless, Inc. | PIN diode network for multiband RF coupling |
| DE102006032822A1 (de) * | 2006-07-14 | 2008-01-24 | Sennheiser Electronic Gmbh & Co. Kg | Tragbares mobiles Endgerät |
| CN101595653B (zh) * | 2006-12-19 | 2013-03-20 | Akg声学有限公司 | 用于分集接收的设备 |
| 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 |
| WO2009149506A1 (en) | 2008-06-12 | 2009-12-17 | Magellan Technology Pty Ltd. | Antenna design and interrogator system |
| EP2207273B1 (en) | 2009-01-09 | 2016-01-06 | AKG Acoustics GmbH | Method and device for receiving digital audio data |
| 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 |
| HK1220050A1 (zh) | 2013-03-15 | 2017-04-21 | Ruckus Wireless, Inc. | 为双频定向天线而设的低频带反射器 |
| 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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| 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 WO PCT/US2000/011776 patent/WO2000067395A1/en not_active Ceased
- 2000-05-01 KR KR1020017014037A patent/KR100667382B1/ko not_active Expired - Fee Related
- 2000-05-01 EP EP07000099A patent/EP1764931A1/en not_active Withdrawn
- 2000-05-01 CN CN00808842A patent/CN1359564A/zh active Pending
- 2000-05-01 EP EP07000100A patent/EP1764932A1/en not_active Withdrawn
- 2000-05-03 DK DK00930268T patent/DK1222754T3/da active
- 2000-05-03 DE DE60042602T patent/DE60042602D1/de not_active Expired - Lifetime
- 2000-05-03 AT AT00930268T patent/ATE437482T1/de active
- 2000-05-03 EP EP07000098A patent/EP1764930B1/en not_active Expired - Lifetime
- 2000-05-03 AT AT07000098T patent/ATE437483T1/de active
- 2000-05-03 DE DE60042621T patent/DE60042621D1/de not_active Expired - Lifetime
- 2000-05-03 EP EP00930268A patent/EP1222754B1/en not_active Expired - Lifetime
- 2000-05-03 TW TW089108393A patent/TW504907B/zh not_active IP Right Cessation
- 2000-05-03 DK DK07000098T patent/DK1764930T3/da active
-
2001
- 2001-04-12 US US09/833,362 patent/US6871054B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000067395A1 (en) | 2000-11-09 |
| KR100667382B1 (ko) | 2007-01-10 |
| DK1764930T3 (da) | 2009-11-23 |
| JP4755764B2 (ja) | 2011-08-24 |
| US6296565B1 (en) | 2001-10-02 |
| ATE437482T1 (de) | 2009-08-15 |
| EP1222754A1 (en) | 2002-07-17 |
| DE60042602D1 (de) | 2009-09-03 |
| DE60042621D1 (de) | 2009-09-03 |
| EP1222754B1 (en) | 2009-07-22 |
| EP1764931A1 (en) | 2007-03-21 |
| EP1764930B1 (en) | 2009-07-22 |
| EP1764932A1 (en) | 2007-03-21 |
| ATE437483T1 (de) | 2009-08-15 |
| JP2003512745A (ja) | 2003-04-02 |
| CN1359564A (zh) | 2002-07-17 |
| EP1764930A1 (en) | 2007-03-21 |
| EP1222754A4 (en) | 2005-07-13 |
| US20010046848A1 (en) | 2001-11-29 |
| DK1222754T3 (da) | 2009-11-16 |
| HK1102247A1 (en) | 2007-11-09 |
| US6871054B2 (en) | 2005-03-22 |
| KR20010113908A (ko) | 2001-12-28 |
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