ATE506760T1 - Verfahren und vorrichtung zur beseitigung von pilotkanalamplitudenabhängigkeiten aus einem rake-empfängerausgang - Google Patents

Verfahren und vorrichtung zur beseitigung von pilotkanalamplitudenabhängigkeiten aus einem rake-empfängerausgang

Info

Publication number
ATE506760T1
ATE506760T1 AT08758687T AT08758687T ATE506760T1 AT E506760 T1 ATE506760 T1 AT E506760T1 AT 08758687 T AT08758687 T AT 08758687T AT 08758687 T AT08758687 T AT 08758687T AT E506760 T1 ATE506760 T1 AT E506760T1
Authority
AT
Austria
Prior art keywords
pilot channel
elimination
rake receiver
receiver output
channel amplitude
Prior art date
Application number
AT08758687T
Other languages
English (en)
Inventor
Elias Jonsson
Andreas Cedergren
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE506760T1 publication Critical patent/ATE506760T1/de

Links

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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT08758687T 2007-05-22 2008-05-21 Verfahren und vorrichtung zur beseitigung von pilotkanalamplitudenabhängigkeiten aus einem rake-empfängerausgang ATE506760T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/752,014 US7738535B2 (en) 2007-05-22 2007-05-22 Method and apparatus for removing pilot channel amplitude dependencies from RAKE receiver output
PCT/EP2008/004086 WO2008141822A1 (en) 2007-05-22 2008-05-21 Method and apparatus for removing pilot channel amplitude dependencies from rake receiver output

Publications (1)

Publication Number Publication Date
ATE506760T1 true ATE506760T1 (de) 2011-05-15

Family

ID=39739858

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08758687T ATE506760T1 (de) 2007-05-22 2008-05-21 Verfahren und vorrichtung zur beseitigung von pilotkanalamplitudenabhängigkeiten aus einem rake-empfängerausgang

Country Status (8)

Country Link
US (1) US7738535B2 (de)
EP (1) EP2162995B1 (de)
CN (1) CN101689883B (de)
AT (1) ATE506760T1 (de)
DE (1) DE602008006403D1 (de)
ES (1) ES2364884T3 (de)
TW (1) TW200917677A (de)
WO (1) WO2008141822A1 (de)

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JP4869778B2 (ja) * 2006-01-18 2012-02-08 株式会社エヌ・ティ・ティ・ドコモ 送信装置、受信装置および通信方法
US7747285B2 (en) * 2007-07-11 2010-06-29 Alcatel-Lucent Usa Inc. Method of transmit beamforming for multicasting in a wireless communication system
US8406280B2 (en) 2008-03-18 2013-03-26 Argon St, Inc. System and method for mitigating severe multipath interference for geolocation and navigation
US7929593B2 (en) * 2008-04-15 2011-04-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for successive interference subtraction with covariance root processing
US8625724B2 (en) * 2009-03-10 2014-01-07 Qualcomm Incorporated Adaptive tracking steps for time and frequency tracking loops
US8305921B2 (en) * 2009-04-03 2012-11-06 Quantenna Communications, Inc. Channel selection and interference suppression
CN103348601B (zh) * 2011-02-01 2015-09-30 瑞典爱立信有限公司 无线接收机的配置
US9276629B2 (en) * 2011-11-17 2016-03-01 Intel Deutschland Gmbh Rake receiver circuit and method for operating a rake receiver circuit
US8787427B2 (en) * 2012-05-10 2014-07-22 Telefonaktiebolaget L M Ericsson (Publ) Chip-level processing for joint demodulation in CDMA receivers
JP6123905B2 (ja) * 2013-09-26 2017-05-10 富士通株式会社 基地局、移動局、無線通信システム及び無線通信方法

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US7369523B2 (en) * 2002-02-20 2008-05-06 Texas Instruments Incorporated Data signal demodulation in a communication system
JP2003283375A (ja) * 2002-03-22 2003-10-03 Toshiba Corp Ｃｄｍ受信装置
KR20050013611A (ko) * 2002-06-25 2005-02-04 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 데이터 수신 방법, 데이터 전송 방법, 수신기, 송신기,전송 시스템 및 컴퓨터 프로그램 제품
US7349379B2 (en) * 2002-08-13 2008-03-25 Texas Instruments Incorporated Channel normalization
WO2004019576A1 (en) * 2002-08-14 2004-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Receiver and method for decoding of truncated data
GB0229247D0 (en) 2002-12-13 2003-01-22 Koninkl Philips Electronics Nv Television display unit
US7555067B2 (en) * 2003-03-13 2009-06-30 Texas Instruments Incorporated Method and apparatus for decoder input scaling based on interference estimation in CDMA
GB2401004B (en) 2003-04-22 2007-01-17 Toshiba Res Europ Ltd Rake receiver
CN100574128C (zh) * 2003-05-19 2009-12-23 Lm爱立信电话有限公司 一种确定传输信道的信道评估的方法和装置
JP4444961B2 (ja) * 2003-05-19 2010-03-31 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 伝送チャネルのチャネル評価の決定
DE10329632B4 (de) * 2003-07-01 2005-08-18 Infineon Technologies Ag Verfahren und Vorrichtung zur Gewichtung von Kanalkoeffizienten in einem Rake-Empfänger
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US7339980B2 (en) * 2004-03-05 2008-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Successive interference cancellation in a generalized RAKE receiver architecture
US9025638B2 (en) * 2004-06-16 2015-05-05 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus to compensate for receiver frequency error in noise estimation processing
ATE536666T1 (de) 2004-12-20 2011-12-15 Ericsson Telefon Ab L M Skalierung in einem empfänger für codierte digitale datasymbole
US7668226B2 (en) 2005-02-23 2010-02-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for estimating gain offsets for amplitude-modulated communication signals
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KR100975701B1 (ko) * 2006-01-26 2010-08-12 삼성전자주식회사 부호분할 다중접속 방식의 고속 패킷 데이터 시스템에서 다중 안테나를 이용하는 단말의 결합 방식에 따른 가중치의 동적 영역 제어 장치 및 방법

Also Published As

Publication number Publication date
WO2008141822A1 (en) 2008-11-27
DE602008006403D1 (de) 2011-06-01
US7738535B2 (en) 2010-06-15
EP2162995B1 (de) 2011-04-20
TW200917677A (en) 2009-04-16
EP2162995A1 (de) 2010-03-17
US20080291981A1 (en) 2008-11-27
CN101689883B (zh) 2013-07-03
CN101689883A (zh) 2010-03-31
ES2364884T3 (es) 2011-09-16

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