DE60325751D1 - CDMA MIMO System - Google Patents
CDMA MIMO SystemInfo
- Publication number
- DE60325751D1 DE60325751D1 DE60325751T DE60325751T DE60325751D1 DE 60325751 D1 DE60325751 D1 DE 60325751D1 DE 60325751 T DE60325751 T DE 60325751T DE 60325751 T DE60325751 T DE 60325751T DE 60325751 D1 DE60325751 D1 DE 60325751D1
- Authority
- DE
- Germany
- Prior art keywords
- mimo system
- cdma
- cdma mimo
- mimo
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002330453A JP3583414B2 (ja) | 2002-11-14 | 2002-11-14 | Cdma送信装置およびcdma受信装置 |
PCT/JP2003/014493 WO2004045122A1 (ja) | 2002-11-14 | 2003-11-14 | Cdma送信装置およびcdma受信装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60325751D1 true DE60325751D1 (de) | 2009-02-26 |
Family
ID=32310594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60325751T Expired - Lifetime DE60325751D1 (de) | 2002-11-14 | 2003-11-14 | CDMA MIMO System |
Country Status (7)
Country | Link |
---|---|
US (1) | US7693140B2 (de) |
EP (1) | EP1551124B1 (de) |
JP (1) | JP3583414B2 (de) |
CN (1) | CN1692592B (de) |
AU (1) | AU2003280792A1 (de) |
DE (1) | DE60325751D1 (de) |
WO (1) | WO2004045122A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6996763B2 (en) * | 2003-01-10 | 2006-02-07 | Qualcomm Incorporated | Operation of a forward link acknowledgement channel for the reverse link data |
US8391249B2 (en) | 2003-02-18 | 2013-03-05 | Qualcomm Incorporated | Code division multiplexing commands on a code division multiplexed channel |
US7286846B2 (en) * | 2003-02-18 | 2007-10-23 | Qualcomm, Incorporated | Systems and methods for performing outer loop power control in wireless communication systems |
US7155236B2 (en) | 2003-02-18 | 2006-12-26 | Qualcomm Incorporated | Scheduled and autonomous transmission and acknowledgement |
US20040160922A1 (en) * | 2003-02-18 | 2004-08-19 | Sanjiv Nanda | Method and apparatus for controlling data rate of a reverse link in a communication system |
US7660282B2 (en) | 2003-02-18 | 2010-02-09 | Qualcomm Incorporated | Congestion control in a wireless data network |
US8081598B2 (en) | 2003-02-18 | 2011-12-20 | Qualcomm Incorporated | Outer-loop power control for wireless communication systems |
US8150407B2 (en) | 2003-02-18 | 2012-04-03 | Qualcomm Incorporated | System and method for scheduling transmissions in a wireless communication system |
US8023950B2 (en) | 2003-02-18 | 2011-09-20 | Qualcomm Incorporated | Systems and methods for using selectable frame durations in a wireless communication system |
US7215930B2 (en) | 2003-03-06 | 2007-05-08 | Qualcomm, Incorporated | Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication |
US8705588B2 (en) * | 2003-03-06 | 2014-04-22 | Qualcomm Incorporated | Systems and methods for using code space in spread-spectrum communications |
US8477592B2 (en) | 2003-05-14 | 2013-07-02 | Qualcomm Incorporated | Interference and noise estimation in an OFDM system |
JP4407830B2 (ja) | 2003-06-30 | 2010-02-03 | 日本電気株式会社 | 複数の送受信アンテナを用いる符号拡散無線通信における拡散符号割当て方法及びそれを用いた符号拡散無線通信システム |
US8489949B2 (en) | 2003-08-05 | 2013-07-16 | Qualcomm Incorporated | Combining grant, acknowledgement, and rate control commands |
US7760758B2 (en) | 2004-12-03 | 2010-07-20 | Nec Corporation | Method and apparatus for blindly separating mixed signals, and a transmission method and apparatus of mixed signals |
CN101080877B (zh) | 2004-12-14 | 2013-12-18 | 富士通株式会社 | 扩展码分配方法、逆扩展方法、发送装置、接收装置、通信装置、无线基站装置和移动终端装置 |
US20090116571A1 (en) * | 2005-06-30 | 2009-05-07 | Matsushita Electric Industrial Co., Ltd. | Transmitter, receiver, and communication method |
JP2007116637A (ja) * | 2005-10-24 | 2007-05-10 | Fujitsu Ltd | 無線通信方法及び無線通信システム並びに受信装置及び送信装置 |
US8305948B2 (en) * | 2006-11-15 | 2012-11-06 | Qualcomm Incorporated | Transmissions to multiple stations in wireless communication systems |
JP4864731B2 (ja) * | 2007-01-09 | 2012-02-01 | Kddi株式会社 | 無線基地局装置および無線端末装置 |
KR20080086033A (ko) * | 2007-03-21 | 2008-09-25 | 삼성전자주식회사 | 다중안테나 시스템에서 자동 재전송 요청 장치 및 방법 |
WO2009035076A1 (ja) * | 2007-09-12 | 2009-03-19 | Sharp Kabushiki Kaisha | 無線通信方法、無線通信システムおよび無線送信装置 |
US8331417B2 (en) * | 2010-04-20 | 2012-12-11 | Los Alamos National Security, Llc | Energy efficiency in wireless communication systems |
US9166663B2 (en) | 2012-12-14 | 2015-10-20 | Futurewei Technologies, Inc. | System and method for open-loop MIMO communications in a SCMA communications system |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2701178A1 (fr) * | 1993-02-03 | 1994-08-05 | Philips Electronique Lab | Système de communication par étalement de spectre à multiutilisateurs. |
FR2709029B1 (fr) * | 1993-08-13 | 1995-10-20 | Matra Communication | Procédé de transmission pour des radio communications AMRC et dispositifs pour sa mise en Óoeuvre. |
JP2636712B2 (ja) * | 1993-12-08 | 1997-07-30 | 日本電気株式会社 | 移動通信装置 |
DE69637911D1 (de) | 1995-07-19 | 2009-06-04 | Nec Corp | Diversity-Übertragungssystem mit Kodevielfachzugriff |
US5809020A (en) * | 1996-03-18 | 1998-09-15 | Motorola, Inc. | Method for adaptively adjusting weighting coefficients in a cDMA radio receiver |
JP3720141B2 (ja) * | 1996-10-01 | 2005-11-24 | 松下電器産業株式会社 | 移動体通信方法およびその装置 |
US6456607B2 (en) * | 1996-10-16 | 2002-09-24 | Canon Kabushiki Kaisha | Apparatus and method for transmitting an image signal modulated with a spreading code |
JPH10336144A (ja) | 1997-05-29 | 1998-12-18 | Matsushita Electric Ind Co Ltd | 符号分割多元接続移動体通信装置 |
JP2870526B1 (ja) * | 1997-09-04 | 1999-03-17 | 日本電気株式会社 | Cdma受信装置 |
US6173005B1 (en) * | 1997-09-04 | 2001-01-09 | Motorola, Inc. | Apparatus and method for transmitting signals in a communication system |
JP3321419B2 (ja) * | 1998-09-17 | 2002-09-03 | 松下電器産業株式会社 | 通信端末装置および無線通信方法 |
JP3105871B2 (ja) * | 1998-09-25 | 2000-11-06 | 埼玉日本電気株式会社 | 無線装置とその無線受信方法 |
US6115406A (en) * | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
US6317410B1 (en) * | 1999-09-13 | 2001-11-13 | Lucent Technologies Inc. | Receiver architecture employing space time spreading and orthogonal transmit diversity techniques |
JP4463351B2 (ja) | 1999-11-01 | 2010-05-19 | 株式会社トクヤマ | 固体高分子電解質型燃料電池用隔膜 |
JP4313925B2 (ja) * | 2000-03-17 | 2009-08-12 | 富士通株式会社 | マルチキャリア直接拡散送受信システム,マルチキャリア直接拡散送受信機,マルチキャリア直接拡散送信機及びマルチキャリア直接拡散受信機 |
JP2001267939A (ja) * | 2000-03-21 | 2001-09-28 | Matsushita Electric Ind Co Ltd | 送信装置 |
JP3437524B2 (ja) * | 2000-03-30 | 2003-08-18 | 松下電器産業株式会社 | 無線通信装置および無線通信方法 |
US7068628B2 (en) * | 2000-05-22 | 2006-06-27 | At&T Corp. | MIMO OFDM system |
EP1195937A1 (de) * | 2000-10-03 | 2002-04-10 | Telefonaktiebolaget Lm Ericsson | Raum-Zeit-Kodierung mit orthogonalen Transformationen |
US7386076B2 (en) * | 2001-03-29 | 2008-06-10 | Texas Instruments Incorporated | Space time encoded wireless communication system with multipath resolution receivers |
US6741587B2 (en) * | 2002-04-02 | 2004-05-25 | Nokia Corporation | Inter-frequency measurements with MIMO terminals |
US6934320B2 (en) * | 2002-04-19 | 2005-08-23 | Nokia Corporation | Orthogonalized spatial multiplexing for wireless communication |
US7720130B2 (en) * | 2002-08-28 | 2010-05-18 | Texas Instruments Incorporated | Efficient receiver architecture for transmit diversity techniques |
JP4407830B2 (ja) * | 2003-06-30 | 2010-02-03 | 日本電気株式会社 | 複数の送受信アンテナを用いる符号拡散無線通信における拡散符号割当て方法及びそれを用いた符号拡散無線通信システム |
-
2002
- 2002-11-14 JP JP2002330453A patent/JP3583414B2/ja not_active Expired - Fee Related
-
2003
- 2003-11-14 AU AU2003280792A patent/AU2003280792A1/en not_active Abandoned
- 2003-11-14 US US10/527,199 patent/US7693140B2/en active Active
- 2003-11-14 DE DE60325751T patent/DE60325751D1/de not_active Expired - Lifetime
- 2003-11-14 CN CN2003801006293A patent/CN1692592B/zh not_active Expired - Lifetime
- 2003-11-14 WO PCT/JP2003/014493 patent/WO2004045122A1/ja active Application Filing
- 2003-11-14 EP EP03772765A patent/EP1551124B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1551124A4 (de) | 2008-03-12 |
US7693140B2 (en) | 2010-04-06 |
CN1692592B (zh) | 2010-07-14 |
JP2004166038A (ja) | 2004-06-10 |
EP1551124B1 (de) | 2009-01-07 |
CN1692592A (zh) | 2005-11-02 |
WO2004045122A1 (ja) | 2004-05-27 |
US20060007892A1 (en) | 2006-01-12 |
JP3583414B2 (ja) | 2004-11-04 |
AU2003280792A1 (en) | 2004-06-03 |
EP1551124A1 (de) | 2005-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |