ATE505010T1 - Vorrichtung zur schätzung von filterkoeffizienten mit einer der hsdsch-symbolrate entsprechenden aktualisierungsrate für einen auf symbolebene arbeitenden entzerrer. - Google Patents
Vorrichtung zur schätzung von filterkoeffizienten mit einer der hsdsch-symbolrate entsprechenden aktualisierungsrate für einen auf symbolebene arbeitenden entzerrer.Info
- Publication number
- ATE505010T1 ATE505010T1 AT07705807T AT07705807T ATE505010T1 AT E505010 T1 ATE505010 T1 AT E505010T1 AT 07705807 T AT07705807 T AT 07705807T AT 07705807 T AT07705807 T AT 07705807T AT E505010 T1 ATE505010 T1 AT E505010T1
- Authority
- AT
- Austria
- Prior art keywords
- estimate
- symbol
- reference symbol
- sum
- filter
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/18—Allocation of orthogonal codes
- H04J13/20—Allocation of orthogonal codes having an orthogonal variable spreading factor [OVSF]
-
- 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
- H04L25/0212—Channel estimation of impulse response
-
- 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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03477—Tapped delay lines not time-recursive
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06300128 | 2006-02-13 | ||
PCT/IB2007/050396 WO2007093934A1 (en) | 2006-02-13 | 2007-02-06 | Filter weight estimation device with update at hsdsch symbol rate, for a symbol level equaliser |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE505010T1 true ATE505010T1 (de) | 2011-04-15 |
Family
ID=38222373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07705807T ATE505010T1 (de) | 2006-02-13 | 2007-02-06 | Vorrichtung zur schätzung von filterkoeffizienten mit einer der hsdsch-symbolrate entsprechenden aktualisierungsrate für einen auf symbolebene arbeitenden entzerrer. |
Country Status (8)
Country | Link |
---|---|
US (1) | US8194726B2 (de) |
EP (1) | EP1987643B1 (de) |
JP (1) | JP4765031B2 (de) |
KR (1) | KR101133839B1 (de) |
CN (1) | CN101385297B (de) |
AT (1) | ATE505010T1 (de) |
DE (1) | DE602007013714D1 (de) |
WO (1) | WO2007093934A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8036225B1 (en) * | 2008-05-15 | 2011-10-11 | Clear Wireless Llc | Enhanced ranging in WiMAX |
CN102006154A (zh) * | 2010-11-18 | 2011-04-06 | 中国人民解放军理工大学 | 基于选择重传的多码道混合arq方法 |
TWI452540B (zh) | 2010-12-09 | 2014-09-11 | Ind Tech Res Inst | 影像式之交通參數偵測系統與方法及電腦程式產品 |
US9762902B2 (en) * | 2012-01-09 | 2017-09-12 | Futurewei Technologies, Inc. | Weighted prediction method and apparatus in quantization matrix coding |
CN104679976B (zh) * | 2014-10-31 | 2017-11-28 | 哈尔滨工业大学深圳研究生院 | 用于信号处理的收缩线性和收缩广义线性复最小二乘算法 |
US10135645B1 (en) * | 2017-10-18 | 2018-11-20 | Cisco Technology, Inc. | Equalizer optimization for FEC-protected communication links |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6175588B1 (en) * | 1997-12-30 | 2001-01-16 | Motorola, Inc. | Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system |
JP3560138B2 (ja) * | 1999-12-06 | 2004-09-02 | 松下電器産業株式会社 | 波形等化器とこれを用いた移動局無線装置、基地局無線装置及び移動通信システム |
DE60137559D1 (de) * | 2000-03-27 | 2009-03-19 | Ntt Docomo Inc | Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren |
EP1305884A2 (de) * | 2000-08-04 | 2003-05-02 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Spreizfaktordetektor |
US7020175B2 (en) * | 2000-09-21 | 2006-03-28 | Motorola, Inc. | MMSE reception of DS-CDMA with transmit diversity |
US7158558B2 (en) * | 2001-04-26 | 2007-01-02 | Interuniversitair Microelektronica Centrum (Imec) | Wideband multiple access telecommunication method and apparatus |
US7532667B2 (en) * | 2004-11-05 | 2009-05-12 | Interdigital Technology Corporation | Pilot-directed and pilot/data-directed equalizers |
KR100888413B1 (ko) * | 2004-11-05 | 2009-03-13 | 인터디지탈 테크날러지 코포레이션 | 듀얼-모드 능동 탭 마스크 생성기 및 파일럿 기준신호 진폭제어유닛을 갖는 적응형 등화기 |
-
2007
- 2007-02-06 JP JP2008553874A patent/JP4765031B2/ja not_active Expired - Fee Related
- 2007-02-06 DE DE602007013714T patent/DE602007013714D1/de active Active
- 2007-02-06 US US12/278,643 patent/US8194726B2/en not_active Expired - Fee Related
- 2007-02-06 CN CN2007800051213A patent/CN101385297B/zh not_active Expired - Fee Related
- 2007-02-06 KR KR1020087022220A patent/KR101133839B1/ko not_active IP Right Cessation
- 2007-02-06 WO PCT/IB2007/050396 patent/WO2007093934A1/en active Application Filing
- 2007-02-06 AT AT07705807T patent/ATE505010T1/de not_active IP Right Cessation
- 2007-02-06 EP EP07705807A patent/EP1987643B1/de not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
CN101385297A (zh) | 2009-03-11 |
CN101385297B (zh) | 2011-08-31 |
KR20080094943A (ko) | 2008-10-27 |
EP1987643B1 (de) | 2011-04-06 |
JP4765031B2 (ja) | 2011-09-07 |
US20090034602A1 (en) | 2009-02-05 |
WO2007093934A1 (en) | 2007-08-23 |
JP2009526462A (ja) | 2009-07-16 |
EP1987643A1 (de) | 2008-11-05 |
DE602007013714D1 (de) | 2011-05-19 |
KR101133839B1 (ko) | 2012-04-06 |
US8194726B2 (en) | 2012-06-05 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |