DE69836798D1 - Verfahren zur erzeugung einer doppler freien genauen lokalen uhr in einem satelliten oder drahtlosen netz - Google Patents

Verfahren zur erzeugung einer doppler freien genauen lokalen uhr in einem satelliten oder drahtlosen netz

Info

Publication number
DE69836798D1
DE69836798D1 DE69836798T DE69836798T DE69836798D1 DE 69836798 D1 DE69836798 D1 DE 69836798D1 DE 69836798 T DE69836798 T DE 69836798T DE 69836798 T DE69836798 T DE 69836798T DE 69836798 D1 DE69836798 D1 DE 69836798D1
Authority
DE
Germany
Prior art keywords
satellite
generating
wireless network
local clock
exact local
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
DE69836798T
Other languages
English (en)
Other versions
DE69836798T2 (de
Inventor
K Agarwal
Thomas Inukai
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.)
Viasat Inc
Original Assignee
Viasat 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 Viasat Inc filed Critical Viasat Inc
Publication of DE69836798D1 publication Critical patent/DE69836798D1/de
Application granted granted Critical
Publication of DE69836798T2 publication Critical patent/DE69836798T2/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
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • H04B7/2125—Synchronisation
    • 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
    • H04B7/18513—Transmission in a satellite or space-based system
    • 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
    • H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H04B7/18543—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
    • 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
    • H04B7/204—Multiple access
    • H04B7/208—Frequency-division multiple access [FDMA]
    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
DE69836798T 1997-10-20 1998-10-20 Verfahren zur erzeugung einer doppler freien genauen lokalen uhr in einem satelliten oder drahtlosen netz Expired - Lifetime DE69836798T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US6467397P 1997-10-20 1997-10-20
US6249697P 1997-10-20 1997-10-20
US6249797P 1997-10-20 1997-10-20
US64673P 1997-10-20
US62497P 1997-10-20
US62496P 1997-10-20
PCT/US1998/021636 WO1999021294A1 (en) 1997-10-20 1998-10-20 A method for generation of accurate doppler-free local clock in satellite/wireless networks

Publications (2)

Publication Number Publication Date
DE69836798D1 true DE69836798D1 (de) 2007-02-15
DE69836798T2 DE69836798T2 (de) 2007-10-11

Family

ID=27370308

Family Applications (4)

Application Number Title Priority Date Filing Date
DE69814448T Expired - Lifetime DE69814448T2 (de) 1997-10-20 1998-10-20 Übertragungsverfahren für leitungsvermittelte daten, paket daten und atm zell daten in einem satelliten/funk- tdma- system
DE69833217T Expired - Lifetime DE69833217T2 (de) 1997-10-20 1998-10-20 Leistungsregelungsverfahren in einer aufwärtsverbindung in verteilten satellitennetzwerken um regenfading auszugleichen
DE69837614T Expired - Lifetime DE69837614T2 (de) 1997-10-20 1998-10-20 Verfahren zum Messen und Reduzieren von Frequenzverschiebungen in verteilten Satelliten/drahtlosen Netzwerken und entsprechendes Kommunikationssystem
DE69836798T Expired - Lifetime DE69836798T2 (de) 1997-10-20 1998-10-20 Verfahren zur erzeugung einer doppler freien genauen lokalen uhr in einem satelliten oder drahtlosen netz

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE69814448T Expired - Lifetime DE69814448T2 (de) 1997-10-20 1998-10-20 Übertragungsverfahren für leitungsvermittelte daten, paket daten und atm zell daten in einem satelliten/funk- tdma- system
DE69833217T Expired - Lifetime DE69833217T2 (de) 1997-10-20 1998-10-20 Leistungsregelungsverfahren in einer aufwärtsverbindung in verteilten satellitennetzwerken um regenfading auszugleichen
DE69837614T Expired - Lifetime DE69837614T2 (de) 1997-10-20 1998-10-20 Verfahren zum Messen und Reduzieren von Frequenzverschiebungen in verteilten Satelliten/drahtlosen Netzwerken und entsprechendes Kommunikationssystem

Country Status (8)

Country Link
US (2) US7599658B1 (de)
EP (6) EP1044513A4 (de)
JP (2) JP3390180B2 (de)
AU (8) AU1083899A (de)
CA (3) CA2275406C (de)
DE (4) DE69814448T2 (de)
IL (8) IL135786A0 (de)
WO (8) WO1999021294A1 (de)

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Also Published As

Publication number Publication date
EP0960489A4 (de) 2001-01-17
EP0960489A1 (de) 1999-12-01
CA2306717A1 (en) 1999-04-29
JP2000508155A (ja) 2000-06-27
WO1999021287A1 (en) 1999-04-29
DE69837614D1 (de) 2007-05-31
EP1044513A4 (de) 2001-01-17
IL135784A0 (en) 2001-05-20
EP1025653A4 (de) 2001-02-07
AU1083699A (en) 1999-05-10
AU9696498A (en) 1999-05-10
IL130560A0 (en) 2000-06-01
US7599658B1 (en) 2009-10-06
CA2275406C (en) 2006-01-31
CA2275408A1 (en) 1999-04-29
DE69833217D1 (de) 2006-04-06
IL135783A (en) 2008-12-29
WO1999021290A1 (en) 1999-04-29
IL135783A0 (en) 2001-05-20
AU1188199A (en) 1999-05-10
EP1025653A1 (de) 2000-08-09
WO1999021294A1 (en) 1999-04-29
US7925211B2 (en) 2011-04-12
EP1032986B1 (de) 2003-05-07
JP2000505993A (ja) 2000-05-16
WO1999021287A9 (en) 1999-07-29
CA2275406A1 (en) 1999-04-29
AU1083899A (en) 1999-05-10
EP1032986A1 (de) 2000-09-06
IL135786A (en) 2007-06-17
WO1999021378A1 (en) 1999-04-29
WO1999021291A1 (en) 1999-04-29
DE69837614T2 (de) 2007-12-27
DE69833217T2 (de) 2006-09-28
AU1270499A (en) 1999-05-10
EP1042932A4 (de) 2001-01-31
AU1083599A (en) 1999-05-10
EP1042932A1 (de) 2000-10-11
IL130560A (en) 2004-02-19
EP0960490A1 (de) 1999-12-01
DE69836798T2 (de) 2007-10-11
EP1032986A4 (de) 2001-03-21
IL130559A0 (en) 2000-06-01
DE69814448D1 (de) 2003-06-12
EP0960490A4 (de) 2001-02-07
WO1999021329A1 (en) 1999-04-29
EP1044513A1 (de) 2000-10-18
EP0960490B1 (de) 2014-06-18
EP1025653B1 (de) 2007-04-18
DE69814448T2 (de) 2004-03-18
CA2275408C (en) 2003-04-01
WO1999021296A1 (en) 1999-04-29
WO1999021295A1 (en) 1999-04-29
IL130559A (en) 2003-06-24
IL135785A (en) 2004-06-20
EP0960489B1 (de) 2007-01-03
US20090221317A1 (en) 2009-09-03
WO1999021290A9 (en) 1999-06-24
CA2306717C (en) 2003-09-16
IL135786A0 (en) 2001-05-20
AU1083799A (en) 1999-05-10
JP3390180B2 (ja) 2003-03-24
AU1271299A (en) 1999-05-10
EP1042932B1 (de) 2006-01-11
IL135785A0 (en) 2001-05-20

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