ATE330373T1 - Bewertung der verzögerungsschätzungsqualität mittels interferenzschätzung - Google Patents

Bewertung der verzögerungsschätzungsqualität mittels interferenzschätzung

Info

Publication number
ATE330373T1
ATE330373T1 AT03797258T AT03797258T ATE330373T1 AT E330373 T1 ATE330373 T1 AT E330373T1 AT 03797258 T AT03797258 T AT 03797258T AT 03797258 T AT03797258 T AT 03797258T AT E330373 T1 ATE330373 T1 AT E330373T1
Authority
AT
Austria
Prior art keywords
pdp
average
average pdp
estimate
information
Prior art date
Application number
AT03797258T
Other languages
English (en)
Inventor
Andres Reial
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 ATE330373T1 publication Critical patent/ATE330373T1/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
    • H04B1/7113—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Feedback Control In General (AREA)
AT03797258T 2002-09-18 2003-08-29 Bewertung der verzögerungsschätzungsqualität mittels interferenzschätzung ATE330373T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/246,873 US7142586B2 (en) 2002-09-18 2002-09-18 Robust delay estimation architecture

Publications (1)

Publication Number Publication Date
ATE330373T1 true ATE330373T1 (de) 2006-07-15

Family

ID=31992377

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03797258T ATE330373T1 (de) 2002-09-18 2003-08-29 Bewertung der verzögerungsschätzungsqualität mittels interferenzschätzung

Country Status (10)

Country Link
US (1) US7142586B2 (de)
EP (1) EP1540843B1 (de)
JP (1) JP4291271B2 (de)
KR (1) KR20050057472A (de)
CN (1) CN100483961C (de)
AT (1) ATE330373T1 (de)
AU (1) AU2003258688A1 (de)
DE (1) DE60306173T2 (de)
ES (1) ES2262021T3 (de)
WO (1) WO2004028017A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7010019B2 (en) * 2002-09-18 2006-03-07 Telefonaktiebolaget Lm Ericsson (Publ) Assessment of delay estimation quality using interference estimates
EP1447914B1 (de) * 2003-02-05 2012-07-04 Intel Mobile Communications Technology GmbH Erfassung von Datenübertragungspfaden
US7356074B2 (en) * 2003-05-08 2008-04-08 Rf Micro Devices, Inc. Estimation of multipath channel with sub-chip resolution
US7116998B2 (en) * 2003-05-14 2006-10-03 Telefonaktiebolaget L M Ericsson (Publ) Subtractive multipath delay detection
US7272189B2 (en) * 2003-10-11 2007-09-18 Visteon Global Technologies, Inc. Method to determine the presence of multi-carrier signals
ATE420497T1 (de) * 2003-11-22 2009-01-15 Alcatel Lucent Verfahren zur ermittlung der verzögerungen in einem mehrpfad-kanal
US6917904B1 (en) * 2004-01-12 2005-07-12 Telefonaktiebolaget L M Ericsson (Publ) Method of and apparatus for path-searcher window positioning
US7362792B2 (en) * 2004-01-12 2008-04-22 Telefonaktiebolaget Lm Ericsson (Publ) Method of and apparatus for computation of unbiased power delay profile
ATE535060T1 (de) * 2004-05-13 2011-12-15 Ntt Docomo Inc Vorrichtung und verfahren zur wegesuche in einem cdma-empfänger
US7382842B2 (en) * 2004-08-02 2008-06-03 Beceem Communications Inc. Method and system for performing channel estimation in a multiple antenna block transmission system
JP4448403B2 (ja) * 2004-08-16 2010-04-07 富士通株式会社 電力レベル測定装置及び移動局
US7372895B2 (en) * 2004-12-08 2008-05-13 Telefonaktiebolaget Lm Ericsson (Publ) Method of and system for delay estimation with minimized finger allocation
US7480356B2 (en) 2004-12-08 2009-01-20 Telefonaktiebolaget L M Ericsson (Publ) Method of and system for path selection in rich multipath conditions
CN101084633B (zh) * 2004-12-17 2011-05-18 华为技术有限公司 多径搜索器、细化处理单元及进行波达方向估计的方法
US7620099B2 (en) * 2005-07-28 2009-11-17 Broadcom Corporation WCDMA terminal baseband processing module having multi-path scanner module
CN101336518B (zh) 2006-01-27 2013-08-14 汤姆森特许公司 用于多分辨率/多径搜索器的方法和装置
US7933314B2 (en) * 2006-06-22 2011-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication receiver despreading resource management
US7991059B2 (en) * 2007-07-09 2011-08-02 Nokia Corporation Robust channel estimation for wireless systems
TWI350669B (en) * 2007-10-22 2011-10-11 Sunplus Mmobile Inc Method and apparatus for timing controlling of channel estimation
US8125907B2 (en) * 2008-06-12 2012-02-28 Talari Networks Incorporated Flow-based adaptive private network with multiple WAN-paths
JP5100536B2 (ja) * 2008-07-03 2012-12-19 三菱電機株式会社 遅延プロファイル推定装置および遅延プロファイル推定方法
JP5163507B2 (ja) * 2009-01-14 2013-03-13 富士通株式会社 受信機、通信システムおよび通信方法
US10333808B2 (en) 2009-06-11 2019-06-25 Talari Networks Incorporated Methods and apparatus for providing adaptive private network centralized management system data visualization processes
CN103078819B (zh) * 2011-10-26 2015-09-30 扬智电子科技(上海)有限公司 精符号同步方法及其装置
WO2013158909A1 (en) * 2012-04-18 2013-10-24 Henry Owen Estimating characteristics of objects in environment
US20150043686A1 (en) * 2013-08-08 2015-02-12 Amlogic Co., Ltd. Methods and Systems for Channel Estimation
US10680666B2 (en) * 2017-02-27 2020-06-09 Mitsubishi Electric Corporation Timing estimation device and timing estimation method
US12080433B2 (en) * 2021-02-10 2024-09-03 International Business Machines Corporation Healthcare application insight compilation sensitivity

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370397B1 (en) 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
DE19824218C1 (de) 1998-05-29 2000-03-23 Ericsson Telefon Ab L M Multipfad-Ausbreitungsverzögerungs-Bestimmungsvorrichtung unter Verwendung von periodisch eingefügten Pilotsymbolen
US6229842B1 (en) * 1998-07-16 2001-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive path selection threshold setting for DS-CDMA receivers
JP3031351B2 (ja) 1998-09-24 2000-04-10 日本電気株式会社 Ｃｄｍａ受信装置及びそれに用いるパス検出方法並びにその制御プログラムを記録した記録媒体
JP3930187B2 (ja) * 1999-03-03 2007-06-13 株式会社日立コミュニケーションテクノロジー 同期制御方法、受信機、基地局及び移動端末
JP2000307469A (ja) 1999-04-16 2000-11-02 Matsushita Electric Ind Co Ltd スペクトル拡散型受信装置及び方法
JP3322240B2 (ja) 1999-05-10 2002-09-09 日本電気株式会社 Ｃｄｍａ受信機
DE69933371T2 (de) * 1999-06-24 2007-01-11 Alcatel Empfänger und Verfahren mit verbesserter Leistung für CDMA Übertragung
JP3683128B2 (ja) 1999-07-06 2005-08-17 日本電気株式会社 無線通信機および無線通信機の消費電力制御方法
CA2365129C (en) * 1999-12-28 2007-12-18 Ntt Docomo, Inc. Path search method, channel estimation method and communication device
US6650694B1 (en) * 2000-02-18 2003-11-18 Texas Instruments Incorporated Correlator co-processor for CDMA RAKE receiver operations
US7058399B2 (en) * 2001-07-11 2006-06-06 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
US6724834B2 (en) * 2002-02-22 2004-04-20 Albert L. Garrett Threshold detector for detecting synchronization signals at correlator output during packet acquisition

Also Published As

Publication number Publication date
WO2004028017A1 (en) 2004-04-01
CN1695316A (zh) 2005-11-09
EP1540843B1 (de) 2006-06-14
KR20050057472A (ko) 2005-06-16
US7142586B2 (en) 2006-11-28
DE60306173D1 (de) 2006-07-27
AU2003258688A1 (en) 2004-04-08
JP2005539442A (ja) 2005-12-22
EP1540843A1 (de) 2005-06-15
CN100483961C (zh) 2009-04-29
JP4291271B2 (ja) 2009-07-08
US20040052304A1 (en) 2004-03-18
DE60306173T2 (de) 2006-12-14
ES2262021T3 (es) 2006-11-16

Similar Documents

Publication Publication Date Title
ATE330373T1 (de) Bewertung der verzögerungsschätzungsqualität mittels interferenzschätzung
ATE512513T1 (de) Sir-vorhersageverfahren und -vorrichtung
ATE441987T1 (de) Verfahren und vorrichtung zum kompensieren eines empfängerfrequenzfehlers bei der rauschschätzungsverarbeitung
RU2010111718A (ru) Обнаружение сигнала в системе беспроводной связи
EP1596502A3 (de) Apparat zur Schätzung der Rauschleistung, Verfahren zur Schätzung der Rauschleistung and Signaldetektor
NO20032352D0 (no) Signalbehandling på mottakersiden i et sambandsnett
ATE492104T1 (de) Frequenzbereichsentzerrung von kommunikationssignalen
ATE497655T1 (de) System und verfahren zur iterativen eliminierung von mehrpfad-interferenzen
TW200509550A (en) Method and apparatus for estimating carrier frequency offset and fading rate using autoregressive channel modeling
TW200501572A (en) Communication receiver with an adaptive equalizer length
AU2003264129A1 (en) Assessment of delay estimation quality using interference estimates
ATE406725T1 (de) Kombinieren von schätzungen des signal/störungs- verhältnisses (sir) für verbesserte sir-schätzung
WO2004038977A3 (en) Method and apparatus for block-based chip timing estimation in a code division multiple access communication system
ATE504136T1 (de) Verfahren zum einstellen der neuübertragungs- zeitgrenzenperiode in einem paketvermittelten kommunikationsnetz
KR100929081B1 (ko) 이동단말에서 파일롯 신호의 의사잡음 시퀀스 위상을 추적하기 위한 장치 및 방법
TWI256815B (en) Frequency synchronization device and the method thereof
JP4404852B2 (ja) チャネル推定回路およびチャネル推定方法
JP4905355B2 (ja) スペクトラム拡散受信機における干渉の除去
DE60029832D1 (de) Empfänger für ein spreizspektrumsystem
ATE353494T1 (de) Verfahren und empfänger, die mehrwegeverzögerungen durch entfernen von signalstrahlen aus einem leistungsverzögerungsprofil schätzen
JP2008295004A (ja) パケット検知回路とその方法
DE602005019114D1 (de) Vorrichtung und verfahren zur verzögerungsschätzung
CN102487366B (zh) 频偏估计方法及装置
ATE483306T1 (de) Verfahren und vorrichtungen zum beseitigen von code-alias-elementen bei verwendung von kurzsynchronisationscodes
DE60307847D1 (de) Verfahren zur schätzung der rausch-autocorrelation

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties