CA2071660A1 - Transmission power control method and apparatus in satellite communication - Google Patents

Transmission power control method and apparatus in satellite communication

Info

Publication number
CA2071660A1
CA2071660A1 CA2071660A CA2071660A CA2071660A1 CA 2071660 A1 CA2071660 A1 CA 2071660A1 CA 2071660 A CA2071660 A CA 2071660A CA 2071660 A CA2071660 A CA 2071660A CA 2071660 A1 CA2071660 A1 CA 2071660A1
Authority
CA
Canada
Prior art keywords
power control
transmission power
control method
satellite communication
signals
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.)
Granted
Application number
CA2071660A
Other languages
French (fr)
Other versions
CA2071660C (en
Inventor
Tokihiro Miyo
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
Individual
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 Individual filed Critical Individual
Publication of CA2071660A1 publication Critical patent/CA2071660A1/en
Application granted granted Critical
Publication of CA2071660C publication Critical patent/CA2071660C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04W52/38—TPC being performed in particular situations
    • 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

Abstract

Signals including two signals having levels different from each other are transmitted to the satellite, and the phase difference between the return signals of the two signals is measured. Transmission power control is performed so that the phase difference becomes equal to the difference measured in clear weather conditions.
CA002071660A 1991-06-21 1992-06-19 Transmission power control method and apparatus in satellite communication Expired - Fee Related CA2071660C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3150219A JPH04372234A (en) 1991-06-21 1991-06-21 Transmission power control system
JP3-150219 1991-06-21

Publications (2)

Publication Number Publication Date
CA2071660A1 true CA2071660A1 (en) 1992-12-22
CA2071660C CA2071660C (en) 1996-06-25

Family

ID=15492143

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002071660A Expired - Fee Related CA2071660C (en) 1991-06-21 1992-06-19 Transmission power control method and apparatus in satellite communication

Country Status (5)

Country Link
US (1) US5257029A (en)
EP (1) EP0519487B1 (en)
JP (1) JPH04372234A (en)
CA (1) CA2071660C (en)
DE (1) DE69215435T2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2145566C (en) * 1994-04-29 1999-12-28 Nambirajan Seshadri Methods of and devices for enhancing communications that use spread spectrum technology
US5754942A (en) * 1996-09-09 1998-05-19 Hughes Electronics Corporation Satellite power level monitoring system and method using digital signal processing
US6212360B1 (en) * 1997-04-09 2001-04-03 Ge Capital Spacenet Services, Inc. Methods and apparatus for controlling earth-station transmitted power in a VSAT network
EP1143641B1 (en) * 1998-09-21 2008-01-09 Obschestvo S Ogranichennoi Otvetstvennostiju "SIVERA" Method and device for transmitting a message in a mobile communication system
EP1030522A1 (en) * 1999-02-16 2000-08-23 Koninklijke Philips Electronics N.V. Method for transmitting upstream signals to a satellite from a video communication signals distribution network
US6813476B1 (en) * 2000-11-13 2004-11-02 Andrew Corporation Method and system for compensating for atmospheric fading in a communications system
US7047029B1 (en) * 2001-09-10 2006-05-16 The Directv Group, Inc. Adaptive transmission system
US9485010B1 (en) 2001-09-10 2016-11-01 The Directv Group, Inc. Adaptive coding and modulation for spot beam satellite broadcast
US7653349B1 (en) 2003-06-18 2010-01-26 The Directv Group, Inc. Adaptive return link for two-way satellite communication systems
DE102009001265A1 (en) * 2009-03-02 2010-09-09 Robert Bosch Gmbh Radar sensor with Blinheitserkennungseinrichtung
DE102013003904A1 (en) * 2013-03-08 2014-09-11 Tesat-Spacecom Gmbh & Co.Kg Method for operating a traveling-wave tube module
GB2557628B (en) 2016-12-13 2020-01-01 Inmarsat Global Ltd Forward link power control
DE102016226305B4 (en) * 2016-12-29 2018-09-27 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method for data transmission in a satellite network and a terrestrial network

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038600A (en) * 1976-02-17 1977-07-26 Westinghouse Electric Corporation Power control on satellite uplinks
US4637017A (en) * 1984-05-21 1987-01-13 Communications Satellite Corporation Monitoring of input backoff in time division multiple access communication satellites
JPH03139027A (en) * 1989-10-24 1991-06-13 Fujitsu Ltd Transmission power control system in satellite communication

Also Published As

Publication number Publication date
EP0519487A2 (en) 1992-12-23
EP0519487A3 (en) 1993-06-30
DE69215435T2 (en) 1997-04-24
US5257029A (en) 1993-10-26
JPH04372234A (en) 1992-12-25
CA2071660C (en) 1996-06-25
EP0519487B1 (en) 1996-11-27
DE69215435D1 (en) 1997-01-09

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Legal Events

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EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20020619