CN1139230C - 一种在无线电系统中用于信道估测的装置和方法 - Google Patents
一种在无线电系统中用于信道估测的装置和方法 Download PDFInfo
- Publication number
- CN1139230C CN1139230C CNB998141623A CN99814162A CN1139230C CN 1139230 C CN1139230 C CN 1139230C CN B998141623 A CNB998141623 A CN B998141623A CN 99814162 A CN99814162 A CN 99814162A CN 1139230 C CN1139230 C CN 1139230C
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- CN
- China
- Prior art keywords
- channel model
- channel
- model structure
- training sequence
- optimum
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication Systems (AREA)
- Stereo-Broadcasting Methods (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/168,605 | 1998-10-09 | ||
US09/168605 | 1998-10-09 | ||
US09/168,605 US6373888B1 (en) | 1998-10-09 | 1998-10-09 | Estimated channel with variable number of taps |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1329789A CN1329789A (zh) | 2002-01-02 |
CN1139230C true CN1139230C (zh) | 2004-02-18 |
Family
ID=22612181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998141623A Expired - Fee Related CN1139230C (zh) | 1998-10-09 | 1999-10-04 | 一种在无线电系统中用于信道估测的装置和方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6373888B1 (zh) |
EP (1) | EP1119953B1 (zh) |
JP (1) | JP4515635B2 (zh) |
CN (1) | CN1139230C (zh) |
AT (1) | ATE298956T1 (zh) |
AU (1) | AU1303600A (zh) |
DE (1) | DE69926008T2 (zh) |
MX (1) | MXPA01003389A (zh) |
MY (1) | MY125290A (zh) |
TR (1) | TR200100975T2 (zh) |
WO (1) | WO2000022791A1 (zh) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
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US6477200B1 (en) * | 1998-11-09 | 2002-11-05 | Broadcom Corporation | Multi-pair gigabit ethernet transceiver |
ES2178296T3 (es) * | 1998-11-18 | 2002-12-16 | Nokia Corp | Un metodo para la estimacion mejorada de la respuesta de impulso de canal en sistemas tdma. |
MY133723A (en) * | 1999-09-17 | 2007-11-30 | Ericsson Telefon Ab L M | "apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal" |
JP2001102970A (ja) * | 1999-09-29 | 2001-04-13 | Matsushita Electric Ind Co Ltd | 通信端末装置及び無線通信方法 |
US6628706B1 (en) * | 1999-12-06 | 2003-09-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transforming a channel estimate |
JP2001320308A (ja) * | 2000-03-03 | 2001-11-16 | Matsushita Electric Ind Co Ltd | 適応等化装置および適応等化方法 |
GB2362073B (en) * | 2000-05-03 | 2003-12-17 | Siemens Ag | Equaliser and method of state reduction therefor |
US6950678B1 (en) * | 2000-05-24 | 2005-09-27 | Lucent Technologies Inc. | Control technique for a communication system |
US6823026B2 (en) * | 2001-01-05 | 2004-11-23 | Motorola, Inc. | Apparatus and method for baseband detection |
US7079601B2 (en) * | 2001-06-19 | 2006-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient channel estimation in a digital communications system |
FR2829326A1 (fr) * | 2001-09-06 | 2003-03-07 | France Telecom | Procede et systeme de reception iterative sous optimale pour systeme de transmission haut debit cdma |
US7272366B2 (en) * | 2001-12-17 | 2007-09-18 | Nokia Corporation | Method and apparatus for reducing RF filter induced distortion in a wide bandwidth wireless system by the use of channel-dependent RF filter compensation |
US6826411B2 (en) | 2002-06-27 | 2004-11-30 | Interdigital Technology Corporation | Low power interference signal code power (ISCP) measurement |
US6968001B2 (en) * | 2002-08-21 | 2005-11-22 | Qualcomm Incorporated | Communication receiver with virtual parallel equalizers |
JP4565802B2 (ja) * | 2002-11-06 | 2010-10-20 | パナソニック株式会社 | データ受信装置およびデータ受信方法 |
GB2395623B (en) * | 2002-11-19 | 2006-02-22 | Matsushita Electric Ind Co Ltd | Reduced complexity dynamic tap search channel estimator |
US7065371B1 (en) * | 2003-02-20 | 2006-06-20 | Comsys Communication & Signal Processing Ltd. | Channel order selection and channel estimation in wireless communication system |
JP4000088B2 (ja) * | 2003-05-09 | 2007-10-31 | 松下電器産業株式会社 | 無線受信装置および受信フィルタリング方法 |
KR100566210B1 (ko) * | 2003-09-22 | 2006-03-29 | 삼성전자주식회사 | 무선 통신 시스템에서 채널 할당 장치 및 방법 |
US20050129105A1 (en) * | 2003-12-11 | 2005-06-16 | Aris Papasakellariou | Determination of the adaption coefficient for adaptive equalizers in communication systems based on the estimated signal-to-noise ratio and the mobile speed |
US7400692B2 (en) * | 2004-01-14 | 2008-07-15 | Interdigital Technology Corporation | Telescoping window based equalization |
US7058117B1 (en) * | 2004-07-26 | 2006-06-06 | Sandbridge Technologies, Inc. | Rake receiver with multi-path interference accommodation |
JP4189389B2 (ja) * | 2005-04-06 | 2008-12-03 | パナソニック株式会社 | 等化装置および等化方法 |
CN100563225C (zh) * | 2005-05-27 | 2009-11-25 | 华为技术有限公司 | 对基带数字信号进行预失真处理的通用装置 |
US20070002980A1 (en) * | 2005-06-29 | 2007-01-04 | Eyal Krupka | Method for timing and sequence hypotheses selection |
EP1903728A1 (en) * | 2006-09-20 | 2008-03-26 | Nokia Siemens Networks Gmbh & Co. Kg | Method and receiving apparatus for estimating a channel in a communications system |
US8787510B2 (en) * | 2008-12-31 | 2014-07-22 | Motorola Mobility Llc | Channel selection exploiting multiple observations of the channel delay spread |
CN102487368B (zh) * | 2010-03-26 | 2014-10-15 | 浙江大学 | Per-tone均衡器的设计方法及实现装置 |
JP2012029043A (ja) * | 2010-07-23 | 2012-02-09 | Sharp Corp | 受信装置および受信方法 |
JP5539832B2 (ja) | 2010-09-29 | 2014-07-02 | シャープ株式会社 | 受信装置、受信方法、受信プログラム |
JP5837797B2 (ja) * | 2011-10-25 | 2015-12-24 | シャープ株式会社 | 受信装置、受信方法、通信システムおよび通信方法 |
JP2013168853A (ja) | 2012-02-16 | 2013-08-29 | Sharp Corp | 受信装置、受信方法および受信プログラム |
TR202022844A1 (tr) * | 2020-12-31 | 2022-07-21 | Istanbul Medipol Ueniversitesi | Birleşik Olarak Kanal Kademe Sayılarını ve Kanal Katsayılarını Tahmin Etme Yöntemi |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2252221B (en) | 1991-01-24 | 1995-01-18 | Roke Manor Research | Improvements in or relating to equalisers for digital radio communication systems |
JPH05316083A (ja) * | 1991-04-08 | 1993-11-26 | Nippon Telegr & Teleph Corp <Ntt> | 移動無線において変動する伝送路における等化方法及び適応等化器 |
US5319677A (en) * | 1992-05-12 | 1994-06-07 | Hughes Aircraft Company | Diversity combiner with MLSE for digital cellular radio |
ATE218018T1 (de) | 1992-09-18 | 2002-06-15 | Oki Electric Ind Co Ltd | Adaptiver entzerrungsempfänger und maximalwahrscheinlichkeits-sequenz- bewertungsempfänger |
JP2669350B2 (ja) | 1994-07-07 | 1997-10-27 | 日本電気株式会社 | 状態数可変最尤系列推定器 |
JPH0856186A (ja) * | 1994-08-10 | 1996-02-27 | Sony Corp | 伝送装置及び伝送方法 |
SE503522C2 (sv) * | 1994-10-31 | 1996-07-01 | Ericsson Telefon Ab L M | Förfarande och anordning för kanalestimering |
JP3271250B2 (ja) * | 1995-03-16 | 2002-04-02 | ソニー株式会社 | 最尤復調方法および受信機 |
DE19614543C1 (de) * | 1996-04-12 | 1997-08-28 | Philips Patentverwaltung | Entzerrer mit erweiterter Kanalschätzung für einen Empfänger in einem digitalen Übertragungssystem |
US6084862A (en) * | 1997-09-26 | 2000-07-04 | Telefonaktiebolaget Lm Ericsson | Time dispersion measurement in radio communications systems |
US6222592B1 (en) * | 1998-01-13 | 2001-04-24 | Samsung Electronics Co., Ltd. | TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom |
US6144710A (en) * | 1998-04-23 | 2000-11-07 | Lucent Technologies, Inc. | Joint maximum likelihood sequence estimator with dynamic channel description |
-
1998
- 1998-10-09 US US09/168,605 patent/US6373888B1/en not_active Expired - Lifetime
-
1999
- 1999-10-04 AT AT99956416T patent/ATE298956T1/de not_active IP Right Cessation
- 1999-10-04 MX MXPA01003389A patent/MXPA01003389A/es unknown
- 1999-10-04 TR TR2001/00975T patent/TR200100975T2/xx unknown
- 1999-10-04 JP JP2000576593A patent/JP4515635B2/ja not_active Expired - Fee Related
- 1999-10-04 AU AU13036/00A patent/AU1303600A/en not_active Abandoned
- 1999-10-04 CN CNB998141623A patent/CN1139230C/zh not_active Expired - Fee Related
- 1999-10-04 DE DE69926008T patent/DE69926008T2/de not_active Expired - Lifetime
- 1999-10-04 EP EP99956416A patent/EP1119953B1/en not_active Expired - Lifetime
- 1999-10-04 WO PCT/SE1999/001757 patent/WO2000022791A1/en active IP Right Grant
- 1999-10-08 MY MYPI99004346A patent/MY125290A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY125290A (en) | 2006-07-31 |
EP1119953B1 (en) | 2005-06-29 |
JP2002527997A (ja) | 2002-08-27 |
US6373888B1 (en) | 2002-04-16 |
WO2000022791A1 (en) | 2000-04-20 |
TR200100975T2 (tr) | 2001-07-23 |
ATE298956T1 (de) | 2005-07-15 |
JP4515635B2 (ja) | 2010-08-04 |
MXPA01003389A (es) | 2002-04-24 |
DE69926008T2 (de) | 2005-12-01 |
CN1329789A (zh) | 2002-01-02 |
EP1119953A1 (en) | 2001-08-01 |
AU1303600A (en) | 2000-05-01 |
DE69926008D1 (de) | 2005-08-04 |
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C06 | Publication | ||
C10 | Entry into substantive examination | ||
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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: TELEFONAKTIEBOLAGET LM ERICSSON (SE) S-126 25 STOCKHOLM, SWEDEN Effective date: 20130715 Owner name: UNWIRED PLANET INC. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20130715 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130715 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20130715 Address after: Delaware Patentee after: Clastres LLC Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson |
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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: 20040218 Termination date: 20161004 |