CN1072862C - 具有多普勒频移跟踪的卫星接收机系统 - Google Patents

具有多普勒频移跟踪的卫星接收机系统 Download PDF

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Publication number
CN1072862C
CN1072862C CN95191199A CN95191199A CN1072862C CN 1072862 C CN1072862 C CN 1072862C CN 95191199 A CN95191199 A CN 95191199A CN 95191199 A CN95191199 A CN 95191199A CN 1072862 C CN1072862 C CN 1072862C
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CN
China
Prior art keywords
frequency
error signal
doppler
fine adjustment
signal
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 - Fee Related
Application number
CN95191199A
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English (en)
Chinese (zh)
Other versions
CN1138925A (zh
Inventor
卡奇梅尔兹·西维克
罗伦佐·彭斯·德·莱昂
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Motorola Solutions Inc
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Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of CN1138925A publication Critical patent/CN1138925A/zh
Application granted granted Critical
Publication of CN1072862C publication Critical patent/CN1072862C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18517—Transmission equipment in earth stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radio Relay Systems (AREA)
CN95191199A 1994-01-14 1995-01-12 具有多普勒频移跟踪的卫星接收机系统 Expired - Fee Related CN1072862C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/186,393 1994-01-14
US08/186,393 US5432521A (en) 1994-01-14 1994-01-14 Satellite receiver system having doppler frequency shift tracking

Publications (2)

Publication Number Publication Date
CN1138925A CN1138925A (zh) 1996-12-25
CN1072862C true CN1072862C (zh) 2001-10-10

Family

ID=22684780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95191199A Expired - Fee Related CN1072862C (zh) 1994-01-14 1995-01-12 具有多普勒频移跟踪的卫星接收机系统

Country Status (8)

Country Link
US (1) US5432521A (enExample)
EP (1) EP0739555A4 (enExample)
KR (1) KR100210279B1 (enExample)
CN (1) CN1072862C (enExample)
CA (1) CA2180143C (enExample)
MX (1) MX9602754A (enExample)
TW (1) TW254026B (enExample)
WO (1) WO1995019666A1 (enExample)

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US5742908A (en) * 1994-09-14 1998-04-21 Ericsson Inc. Frequency error correction in a satellite-mobile communications system
US5551058A (en) * 1994-10-31 1996-08-27 Motorola, Inc. Method and system for intelligent cell selection using location data in cellular systems
US5551059A (en) * 1994-10-31 1996-08-27 Motorola, Inc. Method and system for intelligent cell selection using doppler data in cellular systems
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
US6356740B1 (en) * 1995-06-30 2002-03-12 Hughes Electronics Corporation Method and system of frequency stabilization in a mobile satellite communication system
GB2309865A (en) * 1996-01-30 1997-08-06 Sony Corp Radio receiver with Doppler frequency shift correction
US5874913A (en) * 1996-08-29 1999-02-23 Motorola, Inc. Method and apparatus to compensate for Doppler frequency shifts in a satellite communication system
US5640166A (en) * 1996-09-03 1997-06-17 Motorola, Inc. Method for compensating for doppler frequency shifts for satellite communication systems
US6058147A (en) * 1997-03-03 2000-05-02 Telogy Networks, Inc. Intelligent carrier acquisition method for satellite communications
US6317049B1 (en) 1998-02-17 2001-11-13 Souhail Toubia Apparatus and method for locating missing persons, animals, and objects
US6249539B1 (en) * 1998-06-15 2001-06-19 Qualcomm Incorporated System and method for narrowing the range of frequency uncertainty of a doppler shifted signal
EP1208657B1 (en) * 1999-08-31 2007-09-19 QUALCOMM Incorporated Apparatus for doppler correction in a wireless communications system
JP3418981B2 (ja) 2000-02-16 2003-06-23 日本電気株式会社 スペクトラム拡散通信同期捕捉回路
US6560440B1 (en) * 2000-10-10 2003-05-06 General Dynamics Decision Systems, Inc. Method for precompensating frequency data for use in high-velocity satellite communication systems
GB2373940A (en) * 2001-03-27 2002-10-02 Secr Defence Locating the source of an unknown signal
CN100373967C (zh) * 2002-03-14 2008-03-05 中兴通讯股份有限公司 一种实现移动终端系统自动频率跟踪的方法
US7860460B2 (en) * 2002-06-04 2010-12-28 Thomson Licensing Wireless signal loss detection
US7206575B1 (en) * 2002-12-18 2007-04-17 The Johns Hopkins University Method of remotely estimating a rest or best lock frequency of a local station receiver using telemetry
JP3804618B2 (ja) * 2003-02-25 2006-08-02 ソニー株式会社 通信装置
JP3738766B2 (ja) * 2003-02-25 2006-01-25 ソニー株式会社 通信装置
US7158076B2 (en) * 2004-10-01 2007-01-02 Bae Systems Information And Electronic Systems Integration Inc. Method and apparatus for correcting velocity-induced range estimate phase errors in a two-tone monopulse CW radar
JP4657288B2 (ja) * 2005-02-18 2011-03-23 三菱電機株式会社 位置測位装置
CN101273552B (zh) * 2005-09-27 2012-02-08 Nxp股份有限公司 估计多普勒最大频率的方法及模块，包含该模块的接收机
US7899137B2 (en) * 2006-10-12 2011-03-01 Mediatek Inc. Mobile communication system with integrated GPS receiver
CN101029923B (zh) * 2007-01-19 2010-08-18 电子科技大学 全球定位系统室内定位与导航技术的软件接收机
CN101354440B (zh) * 2007-07-25 2011-06-22 中国科学院声学研究所 一种多普勒宽容的多址探测方法
US7800536B2 (en) * 2007-10-11 2010-09-21 Mediatek, Inc. Signal acquisition/tracking method and correlator for the same
KR101459014B1 (ko) * 2008-02-04 2014-11-07 삼성전자주식회사 이동통신 시스템의 주파수 제어 장치 및 방법
CN101888258B (zh) * 2010-06-02 2014-04-02 航天恒星科技有限公司 高动态环境下基于3g的geo卫星移动通信时隙同步系统及方法
US8384584B2 (en) 2010-12-10 2013-02-26 Roundtrip Llc Reduced computation communication techniques for location systems
US9179328B2 (en) * 2011-12-06 2015-11-03 Telefonaktiebolaget L M Ericsson (Publ) Doppler shift compensation apparatus and method
US9544028B2 (en) 2013-01-30 2017-01-10 Empire Technology Development Llc Doppler frequency shift compensation for wireless communication
CN111884984B (zh) * 2020-06-29 2022-09-02 西南电子技术研究所（中国电子科技集团公司第十研究所） 快变载波多普勒频移捕获系统
EP3982549B1 (en) * 2020-10-09 2025-02-12 Beammwave AB Multi-antenna transceiver system for multi-band operation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1048470A (zh) * 1989-06-29 1991-01-09 莫托罗拉公司 带有接口控制器和缓存存贮器的频率合成器

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US4916405A (en) * 1988-10-27 1990-04-10 Unisys Corp. Smart sweep apparatus for data rate receivers
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CN1048470A (zh) * 1989-06-29 1991-01-09 莫托罗拉公司 带有接口控制器和缓存存贮器的频率合成器

Also Published As

Publication number Publication date
CA2180143C (en) 2000-10-24
US5432521A (en) 1995-07-11
CA2180143A1 (en) 1995-07-20
WO1995019666A1 (en) 1995-07-20
EP0739555A4 (en) 1997-04-16
CN1138925A (zh) 1996-12-25
EP0739555A1 (en) 1996-10-30
KR100210279B1 (ko) 1999-07-15
MX9602754A (es) 1997-05-31
TW254026B (enExample) 1995-08-11

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