DE60238392D1 - Verfahren und vorrichtung zur schätzung der dopplerspreizung - Google Patents

Verfahren und vorrichtung zur schätzung der dopplerspreizung

Info

Publication number
DE60238392D1
DE60238392D1 DE60238392T DE60238392T DE60238392D1 DE 60238392 D1 DE60238392 D1 DE 60238392D1 DE 60238392 T DE60238392 T DE 60238392T DE 60238392 T DE60238392 T DE 60238392T DE 60238392 D1 DE60238392 D1 DE 60238392D1
Authority
DE
Germany
Prior art keywords
complex
sequence
doppler spread
estimated
channel estimates
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
DE60238392T
Other languages
English (en)
Inventor
David Sandberg
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 DE60238392D1 publication Critical patent/DE60238392D1/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
DE60238392T 2001-03-27 2002-03-22 Verfahren und vorrichtung zur schätzung der dopplerspreizung Expired - Lifetime DE60238392D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/812,956 US6922452B2 (en) 2001-03-27 2001-03-27 Method and apparatus for estimating Doppler spread
PCT/SE2002/000587 WO2002078213A1 (en) 2001-03-27 2002-03-22 Method and apparatus for estimating doppler spread

Publications (1)

Publication Number Publication Date
DE60238392D1 true DE60238392D1 (de) 2011-01-05

Family

ID=25211075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238392T Expired - Lifetime DE60238392D1 (de) 2001-03-27 2002-03-22 Verfahren und vorrichtung zur schätzung der dopplerspreizung

Country Status (5)

Country Link
US (1) US6922452B2 (de)
EP (1) EP1380122B1 (de)
AT (1) ATE489779T1 (de)
DE (1) DE60238392D1 (de)
WO (1) WO2002078213A1 (de)

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FR2859025B1 (fr) * 2003-08-22 2006-04-21 Cit Alcatel Procede de validation de la detection d'un pic de correlation par un recepteur de systeme de positionnement par satellite
DE60334904D1 (de) * 2003-09-05 2010-12-23 St Microelectronics Srl Dopplerspreizungsverfahren in Mobilfunkkommunikationssystemen
US7120439B2 (en) * 2003-11-13 2006-10-10 Motorola, Inc. Method and apparatus for mobile radio velocity estimation
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TWI252647B (en) * 2004-09-03 2006-04-01 Benq Corp Method for channel estimation
US7746225B1 (en) 2004-11-30 2010-06-29 University Of Alaska Fairbanks Method and system for conducting near-field source localization
US7573964B2 (en) * 2004-12-16 2009-08-11 Motorola, Inc. Channel estimator with extended channel bandwidth
WO2006067680A1 (en) * 2004-12-24 2006-06-29 Koninklijke Philips Electronics N.V. Method and apparatus for estimating doppler spread
WO2006072864A1 (en) * 2005-01-06 2006-07-13 Koninklijke Philips Electronics N.V. A method and apparatus for estimating doppler spread
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US20080056390A1 (en) * 2006-08-29 2008-03-06 Motorola, Inc. method and system for doppler estimation
KR101241908B1 (ko) * 2007-01-30 2013-03-12 엘지전자 주식회사 수신 채널 환경에 따른 재전송 방법 및 이를 위한 송신기,귀환 정보 생성 방법 및 장치
US8363746B2 (en) * 2008-01-25 2013-01-29 Telefonaktiebolaget Lm Ericsson (Publ) Method to modify the frequency hopping scheme by extending the validity of the reference signals
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TWI406539B (zh) * 2009-05-26 2013-08-21 Sunplus Mmobile Inc 都普勒頻率之估測系統及方法
CN101902250B (zh) 2010-07-26 2013-08-07 华为终端有限公司 信道估计中平滑窗长度的确定方法及设备
CN103181094B (zh) * 2010-11-04 2016-05-04 瑞典爱立信有限公司 无线电基站以及其中用于估计多普勒扩展的方法
US8644181B2 (en) 2011-08-16 2014-02-04 Hong Kong Applied Science and Technology Research Institute Company Limited Method and apparatus for estimation of channel temporal correlation and MIMO mode selection in LTE system
US8675792B2 (en) * 2011-09-07 2014-03-18 Intel Mobile Communications GmbH Method of Doppler spread estimation
WO2013155482A2 (en) * 2012-04-13 2013-10-17 Apple Inc. Apparatus and methods for adjusting adaptive control loop behavior based on measured artifacts
US8891491B2 (en) 2012-06-15 2014-11-18 Intel Mobile Communications GmbH Method of processing signals and a signal processor
WO2014084694A1 (ko) * 2012-11-30 2014-06-05 엘지전자 주식회사 초고주파 대역을 지원하는 무선 접속 시스템에서 도플러 확산 완화 방법 및 장치
US9337974B2 (en) 2014-03-28 2016-05-10 Intel IP Corporation User equipment generation and signaling of feedback for supporting adaptive demodulation reference signal transmission
CN111384985B (zh) * 2018-12-28 2021-07-09 上海磐启微电子有限公司 一种无线通信接收机及接收方法
CN114124629B (zh) * 2021-10-15 2023-05-09 北京长焜科技有限公司 一种5g-nr高速场景下多普勒频偏捕获和跟踪方法
CN114978386B (zh) * 2022-05-07 2023-05-16 南京信息工程大学 一种基于组合法的Nakagami衰落信道仿真方法

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FI104452B (fi) 1993-10-29 2000-01-31 Nokia Mobile Phones Ltd Menetelmä ja simulaattori radiolähettimen ja radiovastaanottimen välisen radiokanavan simuloimiseksi
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
GB9818378D0 (en) * 1998-08-21 1998-10-21 Nokia Mobile Phones Ltd Receiver
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

Also Published As

Publication number Publication date
ATE489779T1 (de) 2010-12-15
EP1380122B1 (de) 2010-11-24
US20020172307A1 (en) 2002-11-21
EP1380122A1 (de) 2004-01-14
WO2002078213A1 (en) 2002-10-03
US6922452B2 (en) 2005-07-26

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