CN1236566C - 具有发送方向性的无线装置及其控制方法 - Google Patents
具有发送方向性的无线装置及其控制方法 Download PDFInfo
- Publication number
- CN1236566C CN1236566C CN01808660.8A CN01808660A CN1236566C CN 1236566 C CN1236566 C CN 1236566C CN 01808660 A CN01808660 A CN 01808660A CN 1236566 C CN1236566 C CN 1236566C
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- China
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- mentioned
- terminal installation
- fading rate
- weight vectors
- transmission
- 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.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 241
- 238000000034 method Methods 0.000 title claims description 91
- 239000013598 vector Substances 0.000 claims abstract description 256
- 238000005562 fading Methods 0.000 claims abstract description 147
- 238000009434 installation Methods 0.000 claims 72
- 230000010415 tropism Effects 0.000 claims 20
- 238000003556 assay Methods 0.000 claims 6
- 230000003044 adaptive effect Effects 0.000 abstract description 64
- 238000005259 measurement Methods 0.000 abstract description 28
- 238000005303 weighing Methods 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 64
- 238000010586 diagram Methods 0.000 description 31
- 238000012545 processing Methods 0.000 description 22
- 238000004364 calculation method Methods 0.000 description 12
- 230000001276 controlling effect Effects 0.000 description 10
- 229920002939 poly(N,N-dimethylacrylamides) Polymers 0.000 description 10
- 238000004891 communication Methods 0.000 description 9
- 108010076504 Protein Sorting Signals Proteins 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
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- 101100148125 Chlamydomonas reinhardtii RSP2 gene Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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Images
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
- H04B7/0837—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
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
-
- 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
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP393034/00 | 2000-12-25 | ||
JP393034/2000 | 2000-12-25 | ||
JP2000393034 | 2000-12-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1426637A CN1426637A (zh) | 2003-06-25 |
CN1236566C true CN1236566C (zh) | 2006-01-11 |
Family
ID=18858919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN01808660.8A Expired - Fee Related CN1236566C (zh) | 2000-12-25 | 2001-12-21 | 具有发送方向性的无线装置及其控制方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7233811B2 (zh) |
EP (1) | EP1351412A4 (zh) |
JP (1) | JP3976680B2 (zh) |
CN (1) | CN1236566C (zh) |
TW (1) | TW577200B (zh) |
WO (1) | WO2002052751A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002054627A1 (fr) * | 2000-12-27 | 2002-07-11 | Sanyo Electric Co., Ltd. | Appareil radio, programme et procede de detection de permutation |
CN101204027B (zh) * | 2005-06-29 | 2011-12-07 | 京瓷株式会社 | 无线通信装置以及无线通信方法 |
CN107408964B (zh) * | 2015-03-10 | 2021-05-25 | 瑞典爱立信有限公司 | 用于控制无线电传输的方法、设备和介质 |
JP7231828B2 (ja) * | 2019-04-26 | 2023-03-02 | 日本電信電話株式会社 | 干渉波演算方法、干渉波演算装置及びコンピュータプログラム |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515378A (en) * | 1991-12-12 | 1996-05-07 | Arraycomm, Inc. | Spatial division multiple access wireless communication systems |
JPH0787011A (ja) * | 1993-09-14 | 1995-03-31 | Toshiba Corp | 無線通信システム及び無線装置及びスイッチ |
US6006110A (en) * | 1995-02-22 | 1999-12-21 | Cisco Technology, Inc. | Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization |
JPH08274687A (ja) | 1995-03-31 | 1996-10-18 | Matsushita Electric Ind Co Ltd | Cdma無線伝送装置およびcdma無線伝送システム |
JPH09200115A (ja) | 1996-01-23 | 1997-07-31 | Toshiba Corp | 無線通信システムにおける無線基地局のアンテナ指向性制御方法および可変指向性アンテナ |
US5960039A (en) * | 1996-04-10 | 1999-09-28 | Lucent Technologies Inc. | Methods and apparatus for high data rate transmission in narrowband mobile radio channels |
JPH1065610A (ja) | 1996-08-22 | 1998-03-06 | Oki Electric Ind Co Ltd | 移動無線通信装置 |
JP3432697B2 (ja) | 1997-04-02 | 2003-08-04 | 松下電器産業株式会社 | 適応受信ダイバーシチ装置及び適応送信ダイバーシチ装置 |
US5819168A (en) * | 1997-05-01 | 1998-10-06 | At&T Corp | Adaptive communication system and method using unequal weighting of interface and noise |
JPH1132030A (ja) | 1997-07-14 | 1999-02-02 | Sanyo Electric Co Ltd | Pdma通信方法 |
JP3167682B2 (ja) * | 1998-09-28 | 2001-05-21 | 三洋電機株式会社 | 送信指向性を有する無線装置およびその制御方法 |
JP2000209140A (ja) | 1999-01-14 | 2000-07-28 | Matsushita Electric Ind Co Ltd | デジタル無線受信装置、デジタル無線送信装置、およびデジタル無線送受信方法 |
JP2000307489A (ja) * | 1999-04-23 | 2000-11-02 | Matsushita Electric Ind Co Ltd | 無線受信装置及び受信タイミング検出方法 |
JP2002051375A (ja) | 2000-05-26 | 2002-02-15 | Matsushita Electric Ind Co Ltd | 基地局装置及びパケット送信方法 |
-
2001
- 2001-12-21 US US10/450,705 patent/US7233811B2/en not_active Expired - Fee Related
- 2001-12-21 CN CN01808660.8A patent/CN1236566C/zh not_active Expired - Fee Related
- 2001-12-21 JP JP2002553331A patent/JP3976680B2/ja not_active Expired - Fee Related
- 2001-12-21 EP EP01272301A patent/EP1351412A4/en not_active Withdrawn
- 2001-12-21 WO PCT/JP2001/011310 patent/WO2002052751A1/ja active Application Filing
- 2001-12-24 TW TW090132010A patent/TW577200B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1351412A1 (en) | 2003-10-08 |
TW577200B (en) | 2004-02-21 |
CN1426637A (zh) | 2003-06-25 |
US20040053581A1 (en) | 2004-03-18 |
WO2002052751A1 (fr) | 2002-07-04 |
EP1351412A4 (en) | 2008-06-18 |
JPWO2002052751A1 (ja) | 2004-04-30 |
JP3976680B2 (ja) | 2007-09-19 |
US7233811B2 (en) | 2007-06-19 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MATSUSHITA ELECTRIC (AMERICA) INTELLECTUAL PROPERT Free format text: FORMER OWNER: SANYO ELECTRIC CO., LTD. Effective date: 20140822 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140822 Address after: California, USA Patentee after: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA Address before: Osaka Japan Patentee before: Sanyo Electric Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060111 Termination date: 20151221 |
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EXPY | Termination of patent right or utility model |