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)
  • Noise Elimination (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2671324B1 (de) * 2011-02-01 2015-07-01 Telefonaktiebolaget L M Ericsson (PUBL) Konfiguration eines drahtlosen empfängers
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
EP3249969B1 (de) * 2013-09-26 2020-02-19 Fujitsu Connected Technologies Limited Basisstation, mobilstation, drahtloskommunikationssystem und drahtloskommunikationsverfahren

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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
US20050276311A1 (en) * 2002-06-25 2005-12-15 Koninklijke Philips Electronics N.V. Mt-cdma using spreading codes with interference-free windows
US7349379B2 (en) 2002-08-13 2008-03-25 Texas Instruments Incorporated Channel normalization
KR20050039843A (ko) 2002-08-14 2005-04-29 텔레폰악티에볼라겟엘엠에릭슨(펍) 절사 데이터를 디코딩하는 수신기 및 방법
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
WO2004102824A1 (en) 2003-05-19 2004-11-25 Telefonaktiebolaget L M Ericsson (Publ) Determination of a channel estimate of a transmission channel
DE10329632B4 (de) 2003-07-01 2005-08-18 Infineon Technologies Ag Verfahren und Vorrichtung zur Gewichtung von Kanalkoeffizienten in einem Rake-Empfänger
US20050195886A1 (en) 2004-03-02 2005-09-08 Nokia Corporation CPICH processing for SINR estimation in W-CDMA system
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
EP1672807B1 (de) 2004-12-20 2011-12-07 TELEFONAKTIEBOLAGET LM ERICSSON (publ) 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
US20060199544A1 (en) * 2005-03-02 2006-09-07 Lucent Technologies Inc. Method for exploiting the diversity across frequency bands of a multi-carrier cellular system
US7421045B2 (en) 2005-03-18 2008-09-02 Interdigital Technology Corporation Method and apparatus for computing SIR of time varying signals in a wireless communication system
JP4604796B2 (ja) 2005-03-29 2011-01-05 ソニー株式会社 無線通信装置及び無線通信方法
CN101233698B (zh) * 2005-07-26 2012-10-03 日本电气株式会社 在闭环发送分集通信系统中测量信道质量的方法
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
CN101689883A (zh) 2010-03-31
EP2162995B1 (de) 2011-04-20
WO2008141822A1 (en) 2008-11-27
EP2162995A1 (de) 2010-03-17
TW200917677A (en) 2009-04-16
US20080291981A1 (en) 2008-11-27
US7738535B2 (en) 2010-06-15
ES2364884T3 (es) 2011-09-16
DE602008006403D1 (de) 2011-06-01
CN101689883B (zh) 2013-07-03

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