SE0003289D0 - Radio receiver and channel estimator - Google Patents

Radio receiver and channel estimator

Info

Publication number
SE0003289D0
SE0003289D0 SE0003289A SE0003289A SE0003289D0 SE 0003289 D0 SE0003289 D0 SE 0003289D0 SE 0003289 A SE0003289 A SE 0003289A SE 0003289 A SE0003289 A SE 0003289A SE 0003289 D0 SE0003289 D0 SE 0003289D0
Authority
SE
Sweden
Prior art keywords
searcher
window mode
estimating
windows
radio
Prior art date
Application number
SE0003289A
Other languages
English (en)
Inventor
Thomas Oestman
Carola Faronius
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
Priority claimed from SE0001867A external-priority patent/SE0001867D0/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0003289A priority Critical patent/SE0003289D0/sv
Publication of SE0003289D0 publication Critical patent/SE0003289D0/sv
Priority to DE60140084T priority patent/DE60140084D1/de
Priority to AU2001260887A priority patent/AU2001260887A1/en
Priority to AT01934731T priority patent/ATE444601T1/de
Priority to ES01934731T priority patent/ES2334328T3/es
Priority to EP01934731A priority patent/EP1405428B1/en
Priority to PCT/SE2001/001048 priority patent/WO2001089109A2/en
Priority to US09/858,633 priority patent/US7054353B2/en

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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • 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
    • H04B1/7113—Determination of path profile
    • 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
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
SE0003289A 2000-05-18 2000-09-15 Radio receiver and channel estimator SE0003289D0 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0003289A SE0003289D0 (sv) 2000-05-18 2000-09-15 Radio receiver and channel estimator
DE60140084T DE60140084D1 (de) 2000-05-18 2001-05-11 Funkempfänger und kanalabschätzer
AU2001260887A AU2001260887A1 (en) 2000-05-18 2001-05-11 Radio reciever and channel estimator
AT01934731T ATE444601T1 (de) 2000-05-18 2001-05-11 Funkempfänger und kanalabschätzer
ES01934731T ES2334328T3 (es) 2000-05-18 2001-05-11 Estimador de canales y receptor de radio.
EP01934731A EP1405428B1 (en) 2000-05-18 2001-05-11 Radio receiver and channel estimator
PCT/SE2001/001048 WO2001089109A2 (en) 2000-05-18 2001-05-11 Radio reciever and channel estimator
US09/858,633 US7054353B2 (en) 2000-05-18 2001-05-17 Radio receiver and channel estimator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0001867A SE0001867D0 (sv) 2000-05-18 2000-05-18 Radio receiver and channel estimator
SE0003289A SE0003289D0 (sv) 2000-05-18 2000-09-15 Radio receiver and channel estimator

Publications (1)

Publication Number Publication Date
SE0003289D0 true SE0003289D0 (sv) 2000-09-15

Family

ID=26655114

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0003289A SE0003289D0 (sv) 2000-05-18 2000-09-15 Radio receiver and channel estimator

Country Status (8)

Country Link
US (1) US7054353B2 (sv)
EP (1) EP1405428B1 (sv)
AT (1) ATE444601T1 (sv)
AU (1) AU2001260887A1 (sv)
DE (1) DE60140084D1 (sv)
ES (1) ES2334328T3 (sv)
SE (1) SE0003289D0 (sv)
WO (1) WO2001089109A2 (sv)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2385498A (en) * 2002-02-13 2003-08-20 Pa Consulting Services Adjustable baseband processing of telecommunications signals
FI20020953A0 (sv) * 2002-05-21 2002-05-21 Nokia Corp Kanalestimering i bandspridningssystem
TW200522751A (en) * 2003-03-05 2005-07-01 Interdigital Tech Corp Received communication signal processing methods and components for wireless communication equipment
EP1482651A1 (en) * 2003-05-27 2004-12-01 Telefonaktiebolaget LM Ericsson (publ) Averaging a delay profile in a limited delay range
ATE317606T1 (de) * 2003-05-27 2006-02-15 Positionierung eines recherchegleitfensters zum mehrwegsignalenempfäng
WO2004107597A1 (en) * 2003-05-27 2004-12-09 Telefonaktiebolaget L M Ericsson (Publ) Averaging a delay profile in a limited delay range
WO2004112269A1 (en) * 2003-06-13 2004-12-23 Telefonaktiebolaget Lm Ericsson (Publ) Positioning a multipath search window
ATE373344T1 (de) * 2003-06-13 2007-09-15 Ericsson Telefon Ab L M Verfahren und vorrichtung zur einstellung eines mehrwegsuchfensters
JP4145240B2 (ja) * 2003-12-26 2008-09-03 三洋電機株式会社 ダイバーシチ受信方法および装置
US7340014B2 (en) * 2003-12-31 2008-03-04 Intel Corporation Apparatus and method of multi-user detection
GB0410617D0 (en) * 2004-05-12 2004-06-16 Ttp Communications Ltd Path searching
US7372895B2 (en) * 2004-12-08 2008-05-13 Telefonaktiebolaget Lm Ericsson (Publ) Method of and system for delay estimation with minimized finger allocation
WO2006063489A1 (en) * 2004-12-17 2006-06-22 Huawei Technologies Co., Ltd. Multipath searcher and method for direction of arrival estimation using multipath searcher
CN1863021B (zh) * 2005-05-13 2010-04-28 上海原动力通信科技有限公司 无线通信***中的码道分配方法和多用户检测方法
US8265209B2 (en) * 2005-10-28 2012-09-11 Qualcomm Incorporated Method and apparatus for channel and noise estimation
KR101020437B1 (ko) 2005-12-28 2011-03-08 엘렉트로비트 시스템 테스트 오와이 전파경로를 탐색하는 방법, 장치, 분석기 및 컴퓨터프로그램
CN100420329C (zh) * 2006-08-09 2008-09-17 华为技术有限公司 一种上行专用物理信道搜索方法及装置
US7839917B2 (en) * 2006-09-18 2010-11-23 Mediatek Inc. Receiver of a CDMA system with a path alignment circuit
US8891698B2 (en) * 2007-12-03 2014-11-18 St-Ericsson Sa First significant path detection
KR101529627B1 (ko) * 2008-12-23 2015-06-29 삼성전자 주식회사 이동통신 시스템의 채널 추정장치 및 방법
KR101608744B1 (ko) * 2009-06-04 2016-04-04 삼성전자주식회사 이동통신 수신기의 채널 추정을 위한 타임 트래킹 방법 및 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1064494C (zh) * 1993-06-02 2001-04-11 罗克马诺尔研究有限公司 组合了扩频信号所有可用多径组件的瑞克接收机
US5530716A (en) * 1994-06-30 1996-06-25 Motorola, Inc. Method and apparatus for identifying a coded communication signal
BR9506273A (pt) * 1994-07-29 1997-08-12 Qualcomm Inc Método para determinar a sincronização da sequência pn em um sistema de comunicação de espectro de propagação por sequência direta e aparelho e sistema para selecionar uma sequência de demodulação sincronizada
US5710768A (en) * 1994-09-30 1998-01-20 Qualcomm Incorporated Method of searching for a bursty signal
US6049564A (en) * 1997-04-28 2000-04-11 Northern Telecom Limited Method and apparatus for configuring PN-offsets for a non-uniform CDMA cellular network
US6215762B1 (en) * 1997-07-22 2001-04-10 Ericsson Inc. Communication system and method with orthogonal block encoding
US6185199B1 (en) * 1997-07-23 2001-02-06 Qualcomm Inc. Method and apparatus for data transmission using time gated frequency division duplexing
US6526029B1 (en) * 1998-04-24 2003-02-25 Lucent Technologies Inc. Search scheme for receivers in mobile communication systems
US6370397B1 (en) * 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
US6731622B1 (en) * 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
JPH11331037A (ja) * 1998-05-14 1999-11-30 Tokimec Inc スペクトラム拡散無線通信装置
JP3031350B2 (ja) * 1998-09-14 2000-04-10 日本電気株式会社 スペクトラム拡散復調装置および方法
US6377615B1 (en) * 1999-09-30 2002-04-23 Ericsson Inc. Apparatus and methods for receiving information using variable length accumulation searchers

Also Published As

Publication number Publication date
WO2001089109A2 (en) 2001-11-22
ES2334328T3 (es) 2010-03-09
EP1405428A2 (en) 2004-04-07
AU2001260887A1 (en) 2001-11-26
US20010046221A1 (en) 2001-11-29
US7054353B2 (en) 2006-05-30
WO2001089109A3 (en) 2003-12-31
EP1405428B1 (en) 2009-09-30
DE60140084D1 (de) 2009-11-12
ATE444601T1 (de) 2009-10-15

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