CN1248431C - 无线装置、调换检测方法 - Google Patents
无线装置、调换检测方法 Download PDFInfo
- Publication number
- CN1248431C CN1248431C CNB01808317XA CN01808317A CN1248431C CN 1248431 C CN1248431 C CN 1248431C CN B01808317X A CNB01808317X A CN B01808317XA CN 01808317 A CN01808317 A CN 01808317A CN 1248431 C CN1248431 C CN 1248431C
- Authority
- CN
- China
- Prior art keywords
- signal
- received signal
- terminals
- transposing
- weighing vector
- 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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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
-
- 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
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
Abstract
Description
Claims (17)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP397465/00 | 2000-12-27 | ||
JP397465/2000 | 2000-12-27 | ||
JP2000397465 | 2000-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1425225A CN1425225A (zh) | 2003-06-18 |
CN1248431C true CN1248431C (zh) | 2006-03-29 |
Family
ID=18862584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01808317XA Expired - Fee Related CN1248431C (zh) | 2000-12-27 | 2001-12-21 | 无线装置、调换检测方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7269202B2 (zh) |
JP (1) | JP3802488B2 (zh) |
CN (1) | CN1248431C (zh) |
WO (1) | WO2002054627A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6911954B2 (en) * | 2001-07-27 | 2005-06-28 | Shidong Li | Method for constructing mobile wireless antenna systems |
US8457230B2 (en) * | 2002-08-21 | 2013-06-04 | Broadcom Corporation | Reconfigurable orthogonal frequency division multiplexing (OFDM) chip supporting single weight diversity |
US6894993B2 (en) * | 2002-12-27 | 2005-05-17 | Arraycomm, Inc. | Detection and correction of channel swap in spatial division multiple access systems |
US7020107B2 (en) * | 2003-01-21 | 2006-03-28 | Arraycomm, Llc | Methods for reliable user switchback on a PHS spatial division multiple access channel |
JP4216107B2 (ja) * | 2003-03-31 | 2009-01-28 | Kddi株式会社 | アダプティブアレーアンテナシステムおよび重み係数算出制御方法 |
US20060034271A1 (en) * | 2004-08-16 | 2006-02-16 | Texas Instruments Incorporated | Packet detection system and method for packet-based wireless receivers having multiple receive chains |
US20070070934A1 (en) * | 2005-09-28 | 2007-03-29 | Pieter Van Rooyen | Method and system for a reconfigurable OFDM radio supporting diversity |
FI125462B (en) * | 2013-01-29 | 2015-10-15 | Inverpolis Oy | A method and system for using a phased antenna field |
WO2014141908A1 (ja) * | 2013-03-12 | 2014-09-18 | シャープ株式会社 | 無線端末局および基地局 |
US10636423B2 (en) * | 2018-02-21 | 2020-04-28 | Motorola Solutions, Inc. | System and method for managing speech recognition |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997008849A1 (fr) * | 1995-08-22 | 1997-03-06 | Thomson-Csf | Procede et dispositif de multiplexage/demultiplexage spatial de signaux radioelectriques pour systeme radio mobile sdma |
US6275543B1 (en) * | 1996-10-11 | 2001-08-14 | Arraycomm, Inc. | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
JP3526196B2 (ja) * | 1997-01-07 | 2004-05-10 | 株式会社東芝 | アダプティブアンテナ |
US6204813B1 (en) * | 1998-02-20 | 2001-03-20 | Trakus, Inc. | Local area multiple object tracking system |
JP3375139B2 (ja) | 1997-06-03 | 2003-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | アダプティブアレイ送受信機 |
US6466557B1 (en) * | 1997-07-14 | 2002-10-15 | Sanyo Electric Co., Ltd. | Transmission channel allocation method and allocation apparatus |
IT1293447B1 (it) * | 1997-07-14 | 1999-03-01 | Cselt Centro Studi Lab Telecom | Procedimento e sistema per la ricezione di segnali digitali |
JP3229848B2 (ja) * | 1997-10-22 | 2001-11-19 | 三洋電機株式会社 | ディジタル無線通信システムのウエイトベクトル計算方法 |
JP3132472B2 (ja) | 1998-06-16 | 2001-02-05 | 日本電気株式会社 | 無線局識別装置 |
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 |
JP3203231B2 (ja) | 1998-09-29 | 2001-08-27 | 三洋電機株式会社 | 伝送チャネル割当方法およびそれを用いた無線装置 |
JP3326416B2 (ja) | 1998-10-30 | 2002-09-24 | 三洋電機株式会社 | アダプティブアレー装置 |
US6393073B1 (en) * | 1999-06-28 | 2002-05-21 | Raytheon Company | Method of frequency offset estimation and correction for adaptive antennas |
JP2001148650A (ja) * | 1999-11-19 | 2001-05-29 | Sanyo Electric Co Ltd | 無線基地局 |
JP3872953B2 (ja) * | 1999-12-27 | 2007-01-24 | 株式会社東芝 | アダプティブアンテナを用いた無線通信装置 |
JP3505468B2 (ja) * | 2000-04-03 | 2004-03-08 | 三洋電機株式会社 | 無線装置 |
US6647078B1 (en) * | 2000-06-30 | 2003-11-11 | Motorola, Inc. | Method and device for multi-user frequency-domain channel estimation based on gradient optimization techniques |
US6834043B1 (en) * | 2000-07-24 | 2004-12-21 | Motorola, Inc. | Method and device for exploiting transmit diversity in time varying wireless communication systems |
AU2001278725A1 (en) * | 2000-09-01 | 2002-03-22 | Sanyo Electric Co., Ltd. | Radio base system, synchronization window control method, and synchronization window control program |
WO2002021722A1 (fr) * | 2000-09-04 | 2002-03-14 | Sanyo Electric Co., Ltd. | Systeme de base radio, procede et programme de reduction d'erreurs d'echantillonnage |
US20020044614A1 (en) * | 2000-09-12 | 2002-04-18 | Molnar Karl James | Methods and systems for reducing interference using co-channel interference mapping |
JP3576099B2 (ja) * | 2000-12-22 | 2004-10-13 | 株式会社東芝 | スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路 |
CN1236566C (zh) * | 2000-12-25 | 2006-01-11 | 三洋电机株式会社 | 具有发送方向性的无线装置及其控制方法 |
JPWO2002062095A1 (ja) * | 2001-01-31 | 2004-06-03 | 三洋電機株式会社 | 無線基地システム、チャネル割当方法およびチャネル割当プログラム |
JP3814182B2 (ja) * | 2001-10-17 | 2006-08-23 | 国立大学法人 北海道大学 | 無線装置およびアダプティブアレイ処理方法 |
JP4166026B2 (ja) * | 2002-03-22 | 2008-10-15 | 三洋電機株式会社 | 無線装置、空間パス制御方法および空間パス制御プログラム |
JP2003283411A (ja) * | 2002-03-22 | 2003-10-03 | Sanyo Electric Co Ltd | 無線装置、送受信指向性制御方法および送受信指向性制御プログラム |
JP3717913B2 (ja) * | 2002-12-27 | 2005-11-16 | 三洋電機株式会社 | 無線装置 |
-
2001
- 2001-12-21 US US10/221,164 patent/US7269202B2/en not_active Expired - Fee Related
- 2001-12-21 JP JP2002554997A patent/JP3802488B2/ja not_active Expired - Fee Related
- 2001-12-21 CN CNB01808317XA patent/CN1248431C/zh not_active Expired - Fee Related
- 2001-12-21 WO PCT/JP2001/011313 patent/WO2002054627A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US7269202B2 (en) | 2007-09-11 |
WO2002054627A1 (fr) | 2002-07-11 |
US20030040281A1 (en) | 2003-02-27 |
JPWO2002054627A1 (ja) | 2004-05-13 |
CN1425225A (zh) | 2003-06-18 |
JP3802488B2 (ja) | 2006-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: KYOTO CERAMIC CO., LTD. Free format text: FORMER OWNER: SANYO ELECTRIC CO., LTD. Effective date: 20090327 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090327 Address after: Kyoto City, Kyoto, Japan Patentee after: KYOCERA Corporation Address before: Osaka Japan Patentee before: Sanyo Electric Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060329 Termination date: 20100121 |