IL130559A - Method for generation of accurate doppler-free local clock in satellite/wireless networks - Google Patents

Method for generation of accurate doppler-free local clock in satellite/wireless networks

Info

Publication number
IL130559A
IL130559A IL13055998A IL13055998A IL130559A IL 130559 A IL130559 A IL 130559A IL 13055998 A IL13055998 A IL 13055998A IL 13055998 A IL13055998 A IL 13055998A IL 130559 A IL130559 A IL 130559A
Authority
IL
Israel
Prior art keywords
satellite
generation
wireless networks
local clock
free local
Prior art date
Application number
IL13055998A
Other languages
English (en)
Other versions
IL130559A0 (en
Original Assignee
Comsat Corp
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 Comsat Corp filed Critical Comsat Corp
Publication of IL130559A0 publication Critical patent/IL130559A0/xx
Publication of IL130559A publication Critical patent/IL130559A/xx

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

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)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
IL13055998A 1997-10-20 1998-10-20 Method for generation of accurate doppler-free local clock in satellite/wireless networks IL130559A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US6249797P 1997-10-20 1997-10-20
US6249697P 1997-10-20 1997-10-20
US6467397P 1997-10-20 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
IL130559A0 IL130559A0 (en) 2000-06-01
IL130559A true IL130559A (en) 2003-06-24

Family

ID=27370308

Family Applications (8)

Application Number Title Priority Date Filing Date
IL13578498A IL135784A0 (en) 1997-10-20 1998-10-20 Power output control system for rf communication system
IL13056098A IL130560A (en) 1997-10-20 1998-10-20 Method for acquisition and synchronization of terminals in satellite/wireless tdma system
IL13578598A IL135785A (en) 1997-10-20 1998-10-20 Method for measurement and reduction of frequency offsets in distributed satellite/wireless networks and corresponding communications system
IL13055998A IL130559A (en) 1997-10-20 1998-10-20 Method for generation of accurate doppler-free local clock in satellite/wireless networks
IL13578398A IL135783A0 (en) 1997-10-20 1998-10-20 A method for uplink power control for distributed satellite networks to compensate for rain fade
IL13578698A IL135786A0 (en) 1997-10-20 1998-10-20 Method for transmission of circuits, packets, and cells in a satellite/wireless tdma system
IL135786A IL135786A (en) 1997-10-20 2000-04-21 Method for transmission of circuits, packets and cells in a satellite/wireless tdma system
IL135783A IL135783A (en) 1997-10-20 2000-04-21 Method for uplink power control for distributed satellite networks to compensate for rain fade

Family Applications Before (3)

Application Number Title Priority Date Filing Date
IL13578498A IL135784A0 (en) 1997-10-20 1998-10-20 Power output control system for rf communication system
IL13056098A IL130560A (en) 1997-10-20 1998-10-20 Method for acquisition and synchronization of terminals in satellite/wireless tdma system
IL13578598A IL135785A (en) 1997-10-20 1998-10-20 Method for measurement and reduction of frequency offsets in distributed satellite/wireless networks and corresponding communications system

Family Applications After (4)

Application Number Title Priority Date Filing Date
IL13578398A IL135783A0 (en) 1997-10-20 1998-10-20 A method for uplink power control for distributed satellite networks to compensate for rain fade
IL13578698A IL135786A0 (en) 1997-10-20 1998-10-20 Method for transmission of circuits, packets, and cells in a satellite/wireless tdma system
IL135786A IL135786A (en) 1997-10-20 2000-04-21 Method for transmission of circuits, packets and cells in a satellite/wireless tdma system
IL135783A IL135783A (en) 1997-10-20 2000-04-21 Method for uplink power control for distributed satellite networks to compensate for rain fade

Country Status (8)

Country Link
US (2) US7599658B1 (de)
EP (6) EP1025653B1 (de)
JP (2) JP3390180B2 (de)
AU (8) AU1083699A (de)
CA (3) CA2306717C (de)
DE (4) DE69833217T2 (de)
IL (8) IL135784A0 (de)
WO (8) WO1999021295A1 (de)

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Also Published As

Publication number Publication date
DE69837614T2 (de) 2007-12-27
IL130560A (en) 2004-02-19
IL130560A0 (en) 2000-06-01
US7925211B2 (en) 2011-04-12
WO1999021294A1 (en) 1999-04-29
EP1044513A1 (de) 2000-10-18
WO1999021295A1 (en) 1999-04-29
AU1270499A (en) 1999-05-10
CA2275406C (en) 2006-01-31
AU9696498A (en) 1999-05-10
DE69833217D1 (de) 2006-04-06
IL135783A (en) 2008-12-29
IL130559A0 (en) 2000-06-01
EP0960489A1 (de) 1999-12-01
DE69814448T2 (de) 2004-03-18
JP2000505993A (ja) 2000-05-16
DE69836798T2 (de) 2007-10-11
WO1999021287A9 (en) 1999-07-29
DE69814448D1 (de) 2003-06-12
EP1025653B1 (de) 2007-04-18
AU1083899A (en) 1999-05-10
IL135785A0 (en) 2001-05-20
CA2275406A1 (en) 1999-04-29
AU1083799A (en) 1999-05-10
EP1042932B1 (de) 2006-01-11
EP1044513A4 (de) 2001-01-17
EP1042932A4 (de) 2001-01-31
EP0960489B1 (de) 2007-01-03
EP1032986B1 (de) 2003-05-07
US20090221317A1 (en) 2009-09-03
JP3390180B2 (ja) 2003-03-24
EP1032986A4 (de) 2001-03-21
AU1188199A (en) 1999-05-10
EP1032986A1 (de) 2000-09-06
IL135786A (en) 2007-06-17
CA2275408A1 (en) 1999-04-29
US7599658B1 (en) 2009-10-06
WO1999021290A1 (en) 1999-04-29
WO1999021291A1 (en) 1999-04-29
IL135783A0 (en) 2001-05-20
JP2000508155A (ja) 2000-06-27
AU1083699A (en) 1999-05-10
WO1999021378A1 (en) 1999-04-29
IL135784A0 (en) 2001-05-20
IL135786A0 (en) 2001-05-20
EP1042932A1 (de) 2000-10-11
CA2306717C (en) 2003-09-16
EP0960490A4 (de) 2001-02-07
CA2275408C (en) 2003-04-01
WO1999021287A1 (en) 1999-04-29
DE69837614D1 (de) 2007-05-31
CA2306717A1 (en) 1999-04-29
WO1999021296A1 (en) 1999-04-29
EP0960490A1 (de) 1999-12-01
EP0960489A4 (de) 2001-01-17
EP1025653A1 (de) 2000-08-09
DE69833217T2 (de) 2006-09-28
WO1999021290A9 (en) 1999-06-24
IL135785A (en) 2004-06-20
AU1083599A (en) 1999-05-10
EP1025653A4 (de) 2001-02-07
WO1999021329A1 (en) 1999-04-29
AU1271299A (en) 1999-05-10
DE69836798D1 (de) 2007-02-15
EP0960490B1 (de) 2014-06-18

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