ATE363773T1 - Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung - Google Patents

Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung

Info

Publication number
ATE363773T1
ATE363773T1 AT02702357T AT02702357T ATE363773T1 AT E363773 T1 ATE363773 T1 AT E363773T1 AT 02702357 T AT02702357 T AT 02702357T AT 02702357 T AT02702357 T AT 02702357T AT E363773 T1 ATE363773 T1 AT E363773T1
Authority
AT
Austria
Prior art keywords
estimation
doppler spread
estimated
radio signal
autocorrelation
Prior art date
Application number
AT02702357T
Other languages
English (en)
Inventor
Mario Moser
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 ATE363773T1 publication Critical patent/ATE363773T1/de

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)
  • Noise Elimination (AREA)
  • Burglar Alarm Systems (AREA)
  • Cash Registers Or Receiving Machines (AREA)
AT02702357T 2002-02-18 2002-02-18 Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung ATE363773T1 (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 (1)

Publication Number Publication Date
ATE363773T1 true ATE363773T1 (de) 2007-06-15

Family

ID=27798745

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02702357T ATE363773T1 (de) 2002-02-18 2002-02-18 Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung

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 (36)

* 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
EP1829244B2 (de) * 2004-12-15 2013-01-16 Telefonaktiebolaget LM Ericsson (publ) Doppler-schätzung
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
US20080175204A1 (en) * 2007-01-23 2008-07-24 Innovative Sonic Limited 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
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
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
US8897385B2 (en) * 2009-10-20 2014-11-25 Maxlinear, Inc. Doppler estimator for OFDM systems
CN104412115B (zh) * 2012-07-06 2016-11-02 日本电气株式会社 衰落多普勒频率估计装置和衰落多普勒频率估计方法
US10244504B2 (en) 2013-03-15 2019-03-26 DGS Global Systems, Inc. Systems, methods, and devices for geolocation with deployable large scale arrays
US9288683B2 (en) 2013-03-15 2016-03-15 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management
US10219163B2 (en) 2013-03-15 2019-02-26 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management
US10271233B2 (en) 2013-03-15 2019-04-23 DGS Global Systems, Inc. Systems, methods, and devices for automatic signal detection with temporal feature extraction within a spectrum
US11646918B2 (en) 2013-03-15 2023-05-09 Digital Global Systems, Inc. Systems, methods, and devices for electronic spectrum management for identifying open space
US10231206B2 (en) 2013-03-15 2019-03-12 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management for identifying signal-emitting devices
US12256233B2 (en) 2013-03-15 2025-03-18 Digital Global Systems, Inc. Systems and methods for automated financial settlements for dynamic spectrum sharing
US12356206B2 (en) 2013-03-15 2025-07-08 Digital Global Systems, Inc. Systems and methods for automated financial settlements for dynamic spectrum sharing
US10257728B2 (en) 2013-03-15 2019-04-09 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management
US10257729B2 (en) 2013-03-15 2019-04-09 DGS Global Systems, Inc. Systems, methods, and devices having databases for electronic spectrum management
US10257727B2 (en) 2013-03-15 2019-04-09 DGS Global Systems, Inc. Systems methods, and devices having databases and automated reports for electronic spectrum management
US10237770B2 (en) 2013-03-15 2019-03-19 DGS Global Systems, Inc. Systems, methods, and devices having databases and automated reports for electronic spectrum management
US10299149B2 (en) 2013-03-15 2019-05-21 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management
WO2017026935A1 (en) * 2015-08-12 2017-02-16 Telefonaktiebolaget Lm Ericsson (Publ) System and method providing optimizations for reduced transmit power control frequency operation
US10498951B2 (en) 2017-01-23 2019-12-03 Digital Global Systems, Inc. Systems, methods, and devices for unmanned vehicle detection
US10529241B2 (en) 2017-01-23 2020-01-07 Digital Global Systems, Inc. Unmanned vehicle recognition and threat management
US10700794B2 (en) 2017-01-23 2020-06-30 Digital Global Systems, Inc. Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time within an electromagnetic spectrum
US10459020B2 (en) 2017-01-23 2019-10-29 DGS Global Systems, Inc. Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time within a spectrum
US12205477B2 (en) 2017-01-23 2025-01-21 Digital Global Systems, Inc. Unmanned vehicle recognition and threat management
US12183213B1 (en) 2017-01-23 2024-12-31 Digital Global Systems, Inc. Unmanned vehicle recognition and threat management
US10943461B2 (en) 2018-08-24 2021-03-09 Digital Global Systems, Inc. Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time
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
EP0140726B1 (de) * 1983-08-24 1991-05-15 Cgr Ultrasonic Verfahren zum Messen von Strömungsparametern eines fliessfähigen Mediums und Vorrichtung zur Durchführung 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
US6563861B1 (en) * 1999-03-22 2003-05-13 Ericsson, Inc. Doppler spread estimation system
US6680969B1 (en) * 1999-03-22 2004-01-20 Ericsson, Inc. Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers
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
DE60220449D1 (de) 2007-07-12
WO2003077445A1 (en) 2003-09-18
US7054394B2 (en) 2006-05-30
EP1479176B1 (de) 2007-05-30
AU2002235904A1 (en) 2003-09-22
EP1479176A1 (de) 2004-11-24
DE60220449T2 (de) 2008-01-31
US20050159928A1 (en) 2005-07-21

Similar Documents

Publication Publication Date Title
ATE363773T1 (de) Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung
DE602004006382D1 (de) Drahtlose sender-empfänger, verfahren und computerprogrammprodukte zur beschränkung der sendeleistung auf der basis von signal-stör-verhältnissen
ATE497339T1 (de) Verfahren und vorrichtung zur regelung der sendeleistung und übertragungsrate einer funkverbindung
MXPA05008763A (es) Receptor de comunicacion con un ecualizador adaptivo que utiliza calculo de canal.
DE60022750D1 (de) Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem
TWI263448B (en) Wireless communication system having adaptive threshold for timing deviation measurement and method
DE60320769D1 (de) Verfahren und vorrichtung zur interferenzverminderung mit einer äusseren schleifesleistungsregelung
UA91509C2 (ru) Система модуляции с множеством несущих с разнесением циклических задержек
BRPI0407570A (pt) receptor de comunicação com um equalizador adaptativo
DE60238392D1 (de) Verfahren und vorrichtung zur schätzung der dopplerspreizung
ATE303681T1 (de) Dopplerspreizschätzungssystem
ATE366942T1 (de) Gps-empfänger mit vebesserter immunität gegen burst signale
US20140358532A1 (en) Method and system for acoustic channel information detection
DE60332170D1 (de) Verbesserung der leistungen eines empfängers in interferenz-bedingungen
TW200507477A (en) Systems and methods for improving channel estimation
ATE304772T1 (de) Verfahren und einrichtung zur schätzung eines frequenzversatzes durch kombinierung von pilot - und datensymbolen
WO2003038467A3 (en) Parameter estimator with dynamically variable integration time
DE60035269D1 (de) Verfahren und apparat zur bestimmung von kanalbedingungen in drahtlosen kommunikationssystemen
ATE303017T1 (de) Verfahren und einrichtung zur detektion eines frequenzsynchronisierungssignales
AU2002343124A1 (en) Simultaneous estimation of channel impulse response and of dc offset
ATE268083T1 (de) Verfahren zur adaptiven schätzung der kanalimpulsantworten eines mobilfunkkanals
GB2441283A (en) GPS receiver with improved immunity to collocated transmissions and method therefor
WO2007008036A3 (en) Method for transmitting/receiving signal having spread training symbol in mobile communication system
WO1999059351A3 (de) Verfahren und einrichtung zur kanalschätzung
DE602007012902D1 (de) Verfahren zur Überprüfung eines Sende-/Empfangsgerätes

Legal Events

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