DE60137559D1 - Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren - Google Patents
Räumliche und Zeitliche Entzerrer und EntzerrungsverfahrenInfo
- Publication number
- DE60137559D1 DE60137559D1 DE60137559T DE60137559T DE60137559D1 DE 60137559 D1 DE60137559 D1 DE 60137559D1 DE 60137559 T DE60137559 T DE 60137559T DE 60137559 T DE60137559 T DE 60137559T DE 60137559 D1 DE60137559 D1 DE 60137559D1
- Authority
- DE
- Germany
- Prior art keywords
- spatial
- equalization procedures
- equalizers
- temporal
- temporal equalizers
- 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
- 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
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
- H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Transmission System (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000085778 | 2000-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60137559D1 true DE60137559D1 (de) | 2009-03-19 |
Family
ID=18602043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60137559T Expired - Lifetime DE60137559D1 (de) | 2000-03-27 | 2001-03-27 | Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren |
Country Status (4)
Country | Link |
---|---|
US (1) | US6862316B2 (de) |
EP (1) | EP1158694B1 (de) |
CN (1) | CN1169383C (de) |
DE (1) | DE60137559D1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2813728B1 (fr) * | 2000-09-07 | 2003-03-07 | Mitsubishi Electric Inf Tech | Recepteur cdma adaptatif bi-modulaire |
JP2002344362A (ja) * | 2001-05-14 | 2002-11-29 | Hitachi Kokusai Electric Inc | 等化装置、受信装置、及び等化方法並びに受信方法 |
US7035343B2 (en) * | 2002-01-31 | 2006-04-25 | Qualcomm Inc. | Closed loop transmit diversity antenna verification using trellis decoding |
US7099409B2 (en) * | 2002-02-13 | 2006-08-29 | Broadcom Corporation | Channel estimation and/or equalization using repeated adaptation |
KR100878524B1 (ko) * | 2002-05-21 | 2009-01-13 | 삼성전자주식회사 | 등화기의 필터 탭계수 갱신 장치 및 갱신 방법 |
KR100467317B1 (ko) * | 2002-05-22 | 2005-01-24 | 한국전자통신연구원 | 스케일러블 적응등화 장치 |
EP1376896A1 (de) * | 2002-06-20 | 2004-01-02 | Evolium S.A.S. | Iterative Kanalschätzung für den Empfang von Funkübertragungen mittels mehrerer Antennen |
CN1695271B (zh) * | 2002-08-21 | 2011-11-09 | 美国博通公司 | 包括虚拟天线单元的天线阵 |
US8457230B2 (en) | 2002-08-21 | 2013-06-04 | Broadcom Corporation | Reconfigurable orthogonal frequency division multiplexing (OFDM) chip supporting single weight diversity |
US7039104B2 (en) * | 2002-11-08 | 2006-05-02 | Scintera Networks, Inc. | Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback |
US7035330B2 (en) * | 2002-12-17 | 2006-04-25 | Scintera Networks, Inc. | Decision feedback equalizer with dynamic feedback control |
US7120193B2 (en) * | 2002-11-08 | 2006-10-10 | Scintera Networks, Inc. | Decision feedback equalizer with dynamic feedback control |
US6940898B2 (en) * | 2002-11-08 | 2005-09-06 | Scintera Networks, Inc. | Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback |
EP1445886B1 (de) * | 2003-01-31 | 2015-05-20 | Ntt Docomo, Inc. | Mehreingang-Mehrausgang (MIMO) Kommunikationssystem, MIMO Empfänger und Verfahren zum MIMO Empfang |
US7272176B2 (en) * | 2003-02-18 | 2007-09-18 | Qualcomm Incorporated | Communication receiver with an adaptive equalizer |
US20050053127A1 (en) * | 2003-07-09 | 2005-03-10 | Muh-Tian Shiue | Equalizing device and method |
KR20050027785A (ko) * | 2003-09-16 | 2005-03-21 | 삼성전자주식회사 | 신호 품질 검출 방법 및 그 장치와, 이를 구현하기 위한프로그램이 기록된 기록매체 |
CN1297075C (zh) * | 2003-12-02 | 2007-01-24 | 中国人民解放军空军雷达学院 | 干扰阻塞空间谱估计方法 |
EP1768263B1 (de) * | 2004-05-26 | 2015-01-21 | NEC Corporation | Detektionsverfahren für räumlich gemultiplexte signale und iterative zeit-raum-decoder damit |
US7436615B2 (en) * | 2005-12-08 | 2008-10-14 | International Business Machines Corporation | Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal |
JP2007195075A (ja) * | 2006-01-20 | 2007-08-02 | Fujitsu Ltd | 復調回路および復調方法 |
WO2007093934A1 (en) * | 2006-02-13 | 2007-08-23 | Nxp B.V. | Filter weight estimation device with update at hsdsch symbol rate, for a symbol level equaliser |
US20090135944A1 (en) * | 2006-10-23 | 2009-05-28 | Dyer Justin S | Cooperative-MIMO Communications |
KR100902336B1 (ko) * | 2007-07-20 | 2009-06-12 | 한국전자통신연구원 | 동일채널 중계장치 및 그 방법 |
JP2009135712A (ja) * | 2007-11-29 | 2009-06-18 | Kyocera Corp | 受信装置、無線基地局及び受信方法 |
JP4573361B2 (ja) * | 2008-08-22 | 2010-11-04 | 京セラ株式会社 | 無線通信装置および無線通信方法 |
GB2494204B (en) * | 2011-09-05 | 2017-05-24 | Roke Manor Research | Method and apparatus for signal detection |
US8744003B2 (en) * | 2012-06-20 | 2014-06-03 | MagnaCom Ltd. | Multi-mode transmitter for highly-spectrally-efficient communications |
US9112742B2 (en) * | 2013-05-15 | 2015-08-18 | Futurewei Technologies, Inc. | Low-complexity, adaptive, fractionally spaced equalizer with non-integer sampling |
US10303146B2 (en) | 2017-05-31 | 2019-05-28 | Oracle International Corporation | Servomechanism error handling |
CN108063738B (zh) * | 2017-11-22 | 2020-08-25 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | 数字均衡器的收敛判决方法 |
CN113783811A (zh) * | 2020-06-10 | 2021-12-10 | 英业达科技有限公司 | 计算接头系数的方法及其装置 |
US11509509B2 (en) * | 2020-06-23 | 2022-11-22 | Marvell Asia Pte, Ltd. | Environmentally-aware run-time configuration of filters in a high-speed data channel |
WO2022087388A1 (en) * | 2020-10-23 | 2022-04-28 | Marvell Asia Pte Ltd | Equalization in high-speed data channel having sparse impulse response |
CN112887236B (zh) * | 2021-01-12 | 2021-09-21 | 烽火通信科技股份有限公司 | 一种高速突发信号的同步及均衡装置与方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6166689A (en) * | 1970-08-12 | 2000-12-26 | Lockheed Martin Corporation | Adaptive beamformer with beam mainlobe maintenance |
JP2663820B2 (ja) * | 1992-12-28 | 1997-10-15 | 日本電気株式会社 | 判定帰還形等化器 |
JP2697648B2 (ja) * | 1994-12-26 | 1998-01-14 | 日本電気株式会社 | 判定帰還形等化器 |
US6240098B1 (en) * | 1995-08-22 | 2001-05-29 | Thomson-Csf | Method and device for space division multiplexing of radio signals transmitted in cellular radio communications |
FR2742619B1 (fr) * | 1995-12-15 | 1998-02-06 | Thomson Csf | Procede d'egalisation multicapteur permettant une reception multicapteur en presence d'interferences et de multitrajets de propagation, et recepteur pour sa mise en oeuvre |
AU2756797A (en) | 1996-05-20 | 1997-12-09 | Post Und Telekom Austria Aktiengesellschaft | Process and device for reception with directional resolution |
US5870430A (en) * | 1996-12-26 | 1999-02-09 | Thomson-Csf | Process for multi-sensor equalisation in a radio receiver in the presence of interference and multiple propagation paths |
FR2758926B1 (fr) * | 1997-01-24 | 1999-04-30 | France Telecom | Procede d'egalisation multicapteurs dans un recepteur radioelectrique comportant un nombre determine de voies de reception et recepteur correspondant |
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 |
JP3465739B2 (ja) * | 1998-04-07 | 2003-11-10 | 日本電気株式会社 | Cdma適応アンテナ受信装置及び通信システム |
US6115409A (en) * | 1999-06-21 | 2000-09-05 | Envoy Networks, Inc. | Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers |
US6317467B1 (en) * | 2000-06-14 | 2001-11-13 | Lloyd C. Cox | Beamforming and interference cancellation system using general purpose filter architecture |
-
2001
- 2001-03-27 DE DE60137559T patent/DE60137559D1/de not_active Expired - Lifetime
- 2001-03-27 EP EP01107554A patent/EP1158694B1/de not_active Expired - Lifetime
- 2001-03-27 CN CNB01116493XA patent/CN1169383C/zh not_active Expired - Fee Related
- 2001-03-27 US US09/817,348 patent/US6862316B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20010026197A1 (en) | 2001-10-04 |
EP1158694B1 (de) | 2009-01-28 |
CN1316861A (zh) | 2001-10-10 |
US6862316B2 (en) | 2005-03-01 |
CN1169383C (zh) | 2004-09-29 |
EP1158694A3 (de) | 2002-10-02 |
EP1158694A2 (de) | 2001-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |