DE69738236D1 - Bestimmung von frequenzoffsets in ubertragungsystemen - Google Patents

Bestimmung von frequenzoffsets in ubertragungsystemen

Info

Publication number
DE69738236D1
DE69738236D1 DE69738236T DE69738236T DE69738236D1 DE 69738236 D1 DE69738236 D1 DE 69738236D1 DE 69738236 T DE69738236 T DE 69738236T DE 69738236 T DE69738236 T DE 69738236T DE 69738236 D1 DE69738236 D1 DE 69738236D1
Authority
DE
Germany
Prior art keywords
user terminal
error
frequency
oscillator
gateway
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
DE69738236T
Other languages
English (en)
Other versions
DE69738236T2 (de
Inventor
Steven A Kremm
Gordon S Di Skinner
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE69738236D1 publication Critical patent/DE69738236D1/de
Application granted granted Critical
Publication of DE69738236T2 publication Critical patent/DE69738236T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • 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
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18545—Arrangements for managing station mobility, i.e. for station registration or localisation
    • H04B7/18547—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
    • H04B7/1855—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
DE69738236T 1996-09-30 1997-09-26 Bestimmung von frequenzoffsets in ubertragungsystemen Expired - Lifetime DE69738236T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US723724 1996-09-30
US08/723,724 US5943606A (en) 1996-09-30 1996-09-30 Determination of frequency offsets in communication systems
PCT/US1997/017323 WO1998015070A1 (en) 1996-09-30 1997-09-26 Determination of frequency offsets in communication systems

Publications (2)

Publication Number Publication Date
DE69738236D1 true DE69738236D1 (de) 2007-12-06
DE69738236T2 DE69738236T2 (de) 2008-08-07

Family

ID=24907399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69738236T Expired - Lifetime DE69738236T2 (de) 1996-09-30 1997-09-26 Bestimmung von frequenzoffsets in ubertragungsystemen

Country Status (15)

Country Link
US (1) US5943606A (de)
EP (1) EP0934633B1 (de)
JP (1) JP4422213B2 (de)
KR (1) KR100506579B1 (de)
CN (1) CN1123990C (de)
AT (1) ATE376723T1 (de)
AU (1) AU723341B2 (de)
CA (1) CA2267170C (de)
DE (1) DE69738236T2 (de)
ES (1) ES2296315T3 (de)
HK (1) HK1022221A1 (de)
RU (1) RU2195772C2 (de)
TW (1) TW405303B (de)
WO (1) WO1998015070A1 (de)
ZA (1) ZA978520B (de)

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Also Published As

Publication number Publication date
EP0934633B1 (de) 2007-10-24
US5943606A (en) 1999-08-24
AU4597597A (en) 1998-04-24
TW405303B (en) 2000-09-11
CN1123990C (zh) 2003-10-08
HK1022221A1 (en) 2000-07-28
DE69738236T2 (de) 2008-08-07
JP2001509324A (ja) 2001-07-10
CN1239612A (zh) 1999-12-22
JP4422213B2 (ja) 2010-02-24
ZA978520B (en) 1999-04-22
AU723341B2 (en) 2000-08-24
WO1998015070A1 (en) 1998-04-09
CA2267170A1 (en) 1998-04-09
CA2267170C (en) 2009-09-08
RU2195772C2 (ru) 2002-12-27
EP0934633A1 (de) 1999-08-11
ES2296315T3 (es) 2008-04-16
ATE376723T1 (de) 2007-11-15
KR100506579B1 (ko) 2005-08-08
KR20000049035A (ko) 2000-07-25

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