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DE60335496D1 - Fading-frequenzschätzvorrichtung - Google Patents

Fading-frequenzschätzvorrichtung

Info

Publication number
DE60335496D1
DE60335496D1 DE60335496T DE60335496T DE60335496D1 DE 60335496 D1 DE60335496 D1 DE 60335496D1 DE 60335496 T DE60335496 T DE 60335496T DE 60335496 T DE60335496 T DE 60335496T DE 60335496 D1 DE60335496 D1 DE 60335496D1
Authority
DE
Germany
Prior art keywords
estimation device
frequency estimation
fading frequency
fading
frequency
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
DE60335496T
Other languages
English (en)
Inventor
Shunji Miyazaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60335496D1 publication Critical patent/DE60335496D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3911—Fading models or fading generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60335496T 2003-01-30 2003-01-30 Fading-frequenzschätzvorrichtung Expired - Lifetime DE60335496D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/000896 WO2004068749A1 (ja) 2003-01-30 2003-01-30 フェ−ジング周波数推定装置

Publications (1)

Publication Number Publication Date
DE60335496D1 true DE60335496D1 (de) 2011-02-03

Family

ID=32800817

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60335496T Expired - Lifetime DE60335496D1 (de) 2003-01-30 2003-01-30 Fading-frequenzschätzvorrichtung

Country Status (5)

Country Link
US (1) US7043207B2 (de)
EP (1) EP1589681B1 (de)
JP (1) JP4011582B2 (de)
DE (1) DE60335496D1 (de)
WO (1) WO2004068749A1 (de)

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JP4358686B2 (ja) * 2004-06-17 2009-11-04 富士通株式会社 フェージング周波数推定装置およびその推定方法
JP4876124B2 (ja) * 2006-04-11 2012-02-15 株式会社エヌ・ティ・ティ・ドコモ 移動体端末の移動速度検出装置
JP4769698B2 (ja) 2006-11-30 2011-09-07 富士通株式会社 干渉電力推定装置及び干渉電力推定方法
JP4917956B2 (ja) * 2007-04-26 2012-04-18 京セラ株式会社 無線通信装置及び信号処理方法
US20110105036A1 (en) * 2009-11-04 2011-05-05 Motorola, Inc. Method and apparatus for sensing presence of an incumbent signal on a secondary radio channel
EP2605465A1 (de) * 2011-12-16 2013-06-19 Mitsubishi Electric R&D Centre Europe B.V. Verfahren und Vorrichtung zur Übertragung von OFDM-Symbolen, die mehrere Streams repräsentieren
US8995658B2 (en) 2013-02-13 2015-03-31 Honeywell International Inc. Physics-based key generation
US10244504B2 (en) 2013-03-15 2019-03-26 DGS Global Systems, Inc. Systems, methods, and devices for geolocation with deployable large scale arrays
US8787836B1 (en) 2013-03-15 2014-07-22 DGS Global Systems, Inc. Systems, methods, and devices having databases and automated reports for electronic spectrum management
US10257728B2 (en) 2013-03-15 2019-04-09 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
US10257729B2 (en) 2013-03-15 2019-04-09 DGS Global Systems, Inc. Systems, methods, and devices having databases for electronic spectrum management
US8798548B1 (en) 2013-03-15 2014-08-05 DGS Global Systems, Inc. Systems, methods, and devices having databases for electronic spectrum management
US8805292B1 (en) 2013-03-15 2014-08-12 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management for identifying signal-emitting devices
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
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
US9622041B2 (en) 2013-03-15 2017-04-11 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management
US8750156B1 (en) 2013-03-15 2014-06-10 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management for identifying open space
US10219163B2 (en) 2013-03-15 2019-02-26 DGS Global Systems, Inc. Systems, methods, and devices for electronic spectrum management
US10122479B2 (en) 2017-01-23 2018-11-06 DGS Global Systems, Inc. Systems, methods, and devices for automatic signal detection with temporal feature extraction within a spectrum
US10299149B2 (en) 2013-03-15 2019-05-21 DGS Global Systems, Inc. Systems, methods, and devices 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
US11646918B2 (en) 2013-03-15 2023-05-09 Digital Global Systems, Inc. Systems, methods, and devices for electronic spectrum management for identifying open space
JP6221405B2 (ja) 2013-06-26 2017-11-01 富士通株式会社 移動体端末、速度推定方法、速度推定プログラム
US9465960B2 (en) 2013-12-04 2016-10-11 Honeywell International Inc. Physics-based authentication
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
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
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
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

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Publication number Priority date Publication date Assignee Title
US5375143A (en) * 1990-11-14 1994-12-20 Motorola, Inc. Method for channel adaptive detecting/equalizing
JPH07140232A (ja) 1993-11-19 1995-06-02 Nippon Motorola Ltd 受信装置を搭載した移動体の移動速度検出装置
JPH07162360A (ja) * 1993-12-10 1995-06-23 Japan Radio Co Ltd フェージング変動量推定器
JP3442156B2 (ja) * 1994-08-31 2003-09-02 富士通株式会社 多重伝搬特性測定装置
JP2953959B2 (ja) 1994-09-06 1999-09-27 富士通株式会社 フェージングピッチ推定装置
JP3366141B2 (ja) 1994-12-06 2003-01-14 沖電気工業株式会社 同期追跡装置
JP2953976B2 (ja) * 1995-02-14 1999-09-27 富士通株式会社 フェージングピッチ推定装置
JP3639018B2 (ja) * 1995-11-09 2005-04-13 富士通株式会社 フェージング周波数測定装置
GB9818378D0 (en) * 1998-08-21 1998-10-21 Nokia Mobile Phones Ltd Receiver
JP3296421B2 (ja) 1998-09-28 2002-07-02 日本電気株式会社 周波数推定装置
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
JP2001223671A (ja) 2000-02-14 2001-08-17 Mitsubishi Electric Corp フェージングピッチ検出装置およびこれを用いた携帯情報端末
JP3533147B2 (ja) * 2000-05-31 2004-05-31 埼玉日本電気株式会社 フェージング周波数検出方法および回路
JP3876403B2 (ja) * 2000-06-15 2007-01-31 富士通株式会社 フェージング周波数推定回路及び該回路を備えたｃｄｍａ受信装置
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
EP1589681A1 (de) 2005-10-26
JP4011582B2 (ja) 2007-11-21
EP1589681A4 (de) 2007-05-30
EP1589681B1 (de) 2010-12-22
US7043207B2 (en) 2006-05-09
JPWO2004068749A1 (ja) 2006-05-25
WO2004068749A1 (ja) 2004-08-12
US20050118960A1 (en) 2005-06-02

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