DE60220449D1 - Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung - Google Patents

Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung

Info

Publication number
DE60220449D1
DE60220449D1 DE60220449T DE60220449T DE60220449D1 DE 60220449 D1 DE60220449 D1 DE 60220449D1 DE 60220449 T DE60220449 T DE 60220449T DE 60220449 T DE60220449 T DE 60220449T DE 60220449 D1 DE60220449 D1 DE 60220449D1
Authority
DE
Germany
Prior art keywords
estimated
doppler spread
radio signal
autocorrelation
estimation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60220449T
Other languages
English (en)
Other versions
DE60220449T2 (de
Inventor
Mario Moser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60220449D1 publication Critical patent/DE60220449D1/de
Publication of DE60220449T2 publication Critical patent/DE60220449T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Burglar Alarm Systems (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Noise Elimination (AREA)
DE60220449T 2002-02-18 2002-02-18 Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungsschätzung Expired - Lifetime DE60220449T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2002/001703 WO2003077445A1 (en) 2002-02-18 2002-02-18 Doppler shift and spread estimation method and apparatus

Publications (2)

Publication Number Publication Date
DE60220449D1 true DE60220449D1 (de) 2007-07-12
DE60220449T2 DE60220449T2 (de) 2008-01-31

Family

ID=27798745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220449T Expired - Lifetime DE60220449T2 (de) 2002-02-18 2002-02-18 Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungsschätzung

Country Status (6)

Country Link
US (1) US7054394B2 (de)
EP (1) EP1479176B1 (de)
AT (1) ATE363773T1 (de)
AU (1) AU2002235904A1 (de)
DE (1) DE60220449T2 (de)
WO (1) WO2003077445A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7218934B2 (en) * 2002-02-14 2007-05-15 Nokia Corporation Mobile station speed estimation
CN100365951C (zh) * 2004-08-27 2008-01-30 华为技术有限公司 无线通信中的信道估计方法及系统
CN101080880B (zh) * 2004-12-15 2011-09-07 艾利森电话股份有限公司 估计所接收信号的多普勒扩展的方法
WO2006072864A1 (en) * 2005-01-06 2006-07-13 Koninklijke Philips Electronics N.V. A method and apparatus for estimating doppler spread
US7889780B2 (en) * 2006-01-04 2011-02-15 Sirf Technology, Inc. Method of estimating doppler spread and signal-to-noise ratio of a received signal
US20080056390A1 (en) * 2006-08-29 2008-03-06 Motorola, Inc. method and system for doppler estimation
TW200832990A (en) * 2007-01-23 2008-08-01 Innovative Sonic Ltd Method of enhancing continuous packet connectivity in a wireless communications system and related apparatus
EP2009810A1 (de) * 2007-06-29 2008-12-31 Nokia Siemens Networks Oy Verfahren und Vorrichtung für ein Datenkommunikationssystem mit einer derartigen Vorrichtung
US7970083B2 (en) * 2008-04-04 2011-06-28 Newport Media, Inc. Estimating doppler frequency in ISDB-T systems
EP2224606B1 (de) * 2009-02-27 2012-10-03 Research In Motion Limited Verfahren und System zur Charakterisierung eines Funkkanals eines drahtlosen Netzwerks mithilfe der Variabilität der Synchronisation
US8160503B2 (en) 2009-02-27 2012-04-17 Research In Motion Limited Method and system for characterizing a radio channel of a wireless network using variability of synchronization
US8897385B2 (en) * 2009-10-20 2014-11-25 Maxlinear, Inc. Doppler estimator for OFDM systems
JPWO2014006961A1 (ja) * 2012-07-06 2016-06-02 日本電気株式会社 フェージングドップラ周波数推定装置およびフェージングドップラ周波数推定方法
EP3335480B1 (de) * 2015-08-12 2019-09-18 Telefonaktiebolaget LM Ericsson (PUBL) System und verfahren zur bereitstellung von optimierungen der frequenzbetriebreduzierung der sendeleistungsteureung
CN109962732B (zh) * 2019-03-27 2021-07-27 上海精密计量测试研究所 一种高速数传基带测试设备校准装置及方法
CN115225178B (zh) * 2022-07-08 2023-08-11 西南交通大学 一种基于频域零点重置的多普勒效应模拟器的实现方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3484586D1 (de) * 1983-08-24 1991-06-20 Cgr Ultrasonic Verfahren zum messen von stroemungsparametern eines fliessfaehigen mediums und vorrichtung zur durchfuehrung dieses verfahrens.
JPH11234190A (ja) 1998-02-12 1999-08-27 Oki Electric Ind Co Ltd 最大ドップラー周波数観測回路、無線チャネル推定回路及び物体移動速度観測回路
US6680969B1 (en) * 1999-03-22 2004-01-20 Ericsson, Inc. Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers
US6563861B1 (en) * 1999-03-22 2003-05-13 Ericsson, Inc. Doppler spread estimation system
MY125793A (en) * 1999-08-12 2006-08-30 Ericsson Inc Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers
US6922452B2 (en) * 2001-03-27 2005-07-26 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for estimating Doppler spread

Also Published As

Publication number Publication date
DE60220449T2 (de) 2008-01-31
EP1479176A1 (de) 2004-11-24
WO2003077445A1 (en) 2003-09-18
US7054394B2 (en) 2006-05-30
EP1479176B1 (de) 2007-05-30
ATE363773T1 (de) 2007-06-15
AU2002235904A1 (en) 2003-09-22
US20050159928A1 (en) 2005-07-21

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Legal Events

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