CN1130853C - 干扰的时间和空间去相关方法和设备 - Google Patents
干扰的时间和空间去相关方法和设备 Download PDFInfo
- Publication number
- CN1130853C CN1130853C CN97195381A CN97195381A CN1130853C CN 1130853 C CN1130853 C CN 1130853C CN 97195381 A CN97195381 A CN 97195381A CN 97195381 A CN97195381 A CN 97195381A CN 1130853 C CN1130853 C CN 1130853C
- Authority
- CN
- China
- Prior art keywords
- harmful components
- correlated series
- matrix
- contrary
- estimate
- 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
Links
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
-
- 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
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
-
- 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
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/636,752 | 1996-04-19 | ||
US08/636,752 US5796788A (en) | 1996-04-19 | 1996-04-19 | Method and apparatus for interference decorrelation in time and space |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1221525A CN1221525A (zh) | 1999-06-30 |
CN1130853C true CN1130853C (zh) | 2003-12-10 |
Family
ID=24553189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97195381A Expired - Fee Related CN1130853C (zh) | 1996-04-19 | 1997-04-14 | 干扰的时间和空间去相关方法和设备 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5796788A (zh) |
EP (1) | EP0894368B1 (zh) |
JP (1) | JP4149517B2 (zh) |
KR (1) | KR20000005544A (zh) |
CN (1) | CN1130853C (zh) |
AU (1) | AU725732B2 (zh) |
CA (1) | CA2252101A1 (zh) |
DE (1) | DE69720710T2 (zh) |
WO (1) | WO1997040589A1 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5790606A (en) * | 1994-01-11 | 1998-08-04 | Ericsson Inc. | Joint demodulation using spatial maximum likelihood |
US6173014B1 (en) * | 1994-08-02 | 2001-01-09 | Telefonaktiebolaget Lm Ericsson | Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system |
DE19604772C2 (de) * | 1996-02-09 | 2002-08-29 | Siemens Ag | Verfahren zur Parametrierung einer Empfangseinrichtung, sowie entsprechende Empfangseinrichtung und Funkstation |
EP2280494A3 (en) | 1996-04-26 | 2011-12-07 | AT & T Corp. | Method and apparatus for data transmission using multiple transmit antennas |
WO1998004032A1 (en) * | 1996-07-22 | 1998-01-29 | Seagate Technology, Inc. | Asymmetric channel data detection compensation |
IL120222A0 (en) * | 1997-02-14 | 1997-06-10 | D S P C Israel Ltd | Method and apparatus for acquiring and tracking the sampling phase of a signal |
US6128355A (en) * | 1997-05-21 | 2000-10-03 | Telefonaktiebolget Lm Ericsson | Selective diversity combining |
US6693982B1 (en) * | 1997-10-06 | 2004-02-17 | At&T Corp. | Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes |
US6088408A (en) * | 1998-11-06 | 2000-07-11 | At & T Corp. | Decoding for generalized orthogonal designs for space-time codes for wireless communication |
US6125136A (en) * | 1997-12-31 | 2000-09-26 | Sony Corporation | Method and apparatus for demodulating trellis coded direct sequence spread spectrum communication signals |
US6363104B1 (en) * | 1998-10-02 | 2002-03-26 | Ericsson Inc. | Method and apparatus for interference cancellation in a rake receiver |
DE19901877B4 (de) | 1999-01-19 | 2005-10-13 | Siemens Ag | Verfahren zum Gewinnen von Informationen über Störungen im Empfänger eines Nachrichtenübertragungssystems |
JP4495288B2 (ja) * | 2000-01-18 | 2010-06-30 | パナソニック株式会社 | 基地局装置、通信端末装置、及び無線通信方法 |
US7769078B2 (en) * | 2000-12-22 | 2010-08-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver |
US7778312B2 (en) * | 2000-12-22 | 2010-08-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for selecting demodulation processing delays in a receiver |
US7131054B2 (en) * | 2001-09-17 | 2006-10-31 | Digeo, Inc. | Apparatus and method for efficient decoder normalization |
CN1203637C (zh) * | 2003-01-07 | 2005-05-25 | 大唐移动通信设备有限公司 | 时隙cdma系统噪声空间相关特性估计方法 |
US7630687B2 (en) | 2004-12-03 | 2009-12-08 | Microsoft Corporation | Extensible framework for mitigating interference problems in wireless networking |
US7796956B2 (en) * | 2005-05-03 | 2010-09-14 | Telefonaktiebolaget L M Ericsson (Publ) | Receiver for a multi-antenna, multi-band radio |
US7664465B2 (en) * | 2005-11-04 | 2010-02-16 | Microsoft Corporation | Robust coexistence service for mitigating wireless network interference |
RU2303330C1 (ru) | 2006-02-13 | 2007-07-20 | Самсунг Электроникс Ко., Лтд. | Способ приема сигнала в системе связи с несколькими каналами передачи и приема |
KR100841936B1 (ko) * | 2006-12-29 | 2008-06-27 | 포스데이타 주식회사 | 안테나별 간섭을 고려한 수신신호 결합 장치 및 방법과이를 이용한 심볼메트릭 산출 장치 및 방법 |
US8045645B2 (en) * | 2007-06-08 | 2011-10-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal processor for estimating signal parameters using an approximated inverse matrix |
KR101440623B1 (ko) * | 2008-04-18 | 2014-10-30 | 엘지전자 주식회사 | 다중 안테나를 이용한 수신기 및 데이터 복원 방법 |
US8934580B2 (en) * | 2010-07-28 | 2015-01-13 | Lg Electronics Inc. | Method and apparatus for channel estimation in multi-path channel |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4713817A (en) * | 1985-04-25 | 1987-12-15 | Codex Corporation | Multidimensional, convolutionally coded communication systems |
US4644562A (en) * | 1985-08-28 | 1987-02-17 | At&T Company | Combined cross polarization interference cancellation and intersymbol interference equalization for terrestrial digital radio systems |
CA1338153C (en) * | 1987-11-10 | 1996-03-12 | Yoshihiro Nozue | Interference canceller |
SE463540B (sv) * | 1988-09-19 | 1990-12-03 | Ericsson Telefon Ab L M | Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet |
EP0381949A1 (de) * | 1989-02-01 | 1990-08-16 | Siemens Aktiengesellschaft | Diversity-Kombinator |
SE464902B (sv) * | 1989-10-24 | 1991-06-24 | Ericsson Telefon Ab L M | Foerfarande att adaptera en viterbialgoritm till en kanal med skiftande oeverfoeringsegenskaper samt en anordning foer genomfoerande av foerfarandet |
US5031193A (en) * | 1989-11-13 | 1991-07-09 | Motorola, Inc. | Method and apparatus for diversity reception of time-dispersed signals |
SE465597B (sv) * | 1990-02-16 | 1991-09-30 | Ericsson Telefon Ab L M | Foerfarande att reducera inverkan av faedning hos en viterbimottagare med minst tvaa antenner |
EP0449327B1 (en) * | 1990-03-30 | 1998-07-15 | Nec Corporation | Noise-immune space diversity receiver |
DE69228649T2 (de) * | 1991-11-18 | 1999-08-12 | Nec Corp | Automatischer Entzerrer zur wirkungsvollen Kompensation der Nachbarsymbolinterferenz und der Kreuzpolarisationsinterferenz bei einer doppelten Gleichkanalpolarisation |
US5319677A (en) * | 1992-05-12 | 1994-06-07 | Hughes Aircraft Company | Diversity combiner with MLSE for digital cellular radio |
US5351274A (en) * | 1993-08-20 | 1994-09-27 | General Electric Company | Post detection selection combining diversity receivers for mobile and indoor radio channels |
US5680419A (en) * | 1994-08-02 | 1997-10-21 | Ericsson Inc. | Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
US5481572A (en) * | 1994-08-02 | 1996-01-02 | Ericsson Inc. | Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver |
US5659578A (en) * | 1994-11-23 | 1997-08-19 | At&T Wireless Services, Inc. | High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio |
JP2689926B2 (ja) * | 1994-12-05 | 1997-12-10 | 日本電気株式会社 | ダイバーシティ受信機 |
-
1996
- 1996-04-19 US US08/636,752 patent/US5796788A/en not_active Expired - Lifetime
-
1997
- 1997-04-14 KR KR1019980708344A patent/KR20000005544A/ko not_active Application Discontinuation
- 1997-04-14 CN CN97195381A patent/CN1130853C/zh not_active Expired - Fee Related
- 1997-04-14 WO PCT/US1997/006344 patent/WO1997040589A1/en not_active Application Discontinuation
- 1997-04-14 DE DE69720710T patent/DE69720710T2/de not_active Expired - Lifetime
- 1997-04-14 AU AU26722/97A patent/AU725732B2/en not_active Ceased
- 1997-04-14 EP EP97918673A patent/EP0894368B1/en not_active Expired - Lifetime
- 1997-04-14 JP JP53816397A patent/JP4149517B2/ja not_active Expired - Fee Related
- 1997-04-14 CA CA002252101A patent/CA2252101A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1997040589A1 (en) | 1997-10-30 |
AU2672297A (en) | 1997-11-12 |
US5796788A (en) | 1998-08-18 |
CN1221525A (zh) | 1999-06-30 |
DE69720710T2 (de) | 2003-10-16 |
EP0894368B1 (en) | 2003-04-09 |
AU725732B2 (en) | 2000-10-19 |
JP2000509576A (ja) | 2000-07-25 |
KR20000005544A (ko) | 2000-01-25 |
JP4149517B2 (ja) | 2008-09-10 |
CA2252101A1 (en) | 1997-10-30 |
EP0894368A1 (en) | 1999-02-03 |
DE69720710D1 (de) | 2003-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1130853C (zh) | 干扰的时间和空间去相关方法和设备 | |
US6473393B1 (en) | Channel estimation for OFDM systems with transmitter diversity | |
TW497340B (en) | Adaptive channel estimation in a wireless communication system | |
US6996195B2 (en) | Channel estimation in a communication system | |
US5822380A (en) | Apparatus and method for joint channel estimation | |
CN1094001C (zh) | 接收方法和接收机 | |
US6549565B1 (en) | Code division multiple access system and method of operation with improved signal acquisition and processing | |
US20050031062A1 (en) | Method and apparatus for determining a shuffling pattern based on a minimum signal to noise ratio in a double space-time transmit diversity system | |
US20060193392A1 (en) | Apparatus for and method of compensation for frequency offset and channel variation in MIMO-OFDM receiver | |
CN1052014A (zh) | 分集接收时间离散信号的方法和装置 | |
US20020003833A1 (en) | Method of antenna-weight estimation and mobile communication terminal | |
CN1209232A (zh) | 利用分集信号矩阵处理降低码元间干扰的方法和设备 | |
US8019014B2 (en) | Pre-coding apparatus on account of adaptive estimation | |
US8804808B1 (en) | Dynamic equalization systems and methods for use with a receiver for a multipath channel | |
KR100975313B1 (ko) | 다중 입출력 무선통신 시스템에서 다변 다항식을 이용한신호검출 장치 및 방법 | |
CN101090379B (zh) | 采用Kalman滤波器进行联合检测的方法及装置 | |
CN101292481B (zh) | 一种基于隐训练序列的估计信道的方法和装置 | |
CN100574166C (zh) | 无线通信装置和无线发送方法 | |
CN101836370A (zh) | 无线通信设备和无线接收方法 | |
US6980600B1 (en) | Receiver system for Multiple-Transmit, Multiple-Receive (MTMR) wireless communications systems | |
EP2153540B1 (en) | Reduced lattice demodulation method and apparatus | |
CN1228210A (zh) | 分集组合方法以及接收机 | |
US20020048261A1 (en) | Method and apparatus for automatic delay compensation in space diversity radio transmissions | |
JP3999000B2 (ja) | アレーアンテナ装置 | |
CN101346924B (zh) | 用于信道及噪声估计的方法及设备 |
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: CLUSTER CO., LTD. Free format text: FORMER OWNER: ERICSSON CO. Effective date: 20130704 Owner name: UNWIRED PLANET INC. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20130704 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130704 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20130704 Address after: Delaware Patentee after: Clastres LLC Address before: North Carolina Patentee before: ERICSSON Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031210 Termination date: 20160414 |