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DE3882464D1 - Bewegliches satellitenkommunikationssystem. - Google Patents

Bewegliches satellitenkommunikationssystem.

Info

Publication number
DE3882464D1
DE3882464D1 DE8888114608T DE3882464T DE3882464D1 DE 3882464 D1 DE3882464 D1 DE 3882464D1 DE 8888114608 T DE8888114608 T DE 8888114608T DE 3882464 T DE3882464 T DE 3882464T DE 3882464 D1 DE3882464 D1 DE 3882464D1
Authority
DE
Germany
Prior art keywords
communication system
satellite communication
movable satellite
movable
satellite
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
DE8888114608T
Other languages
English (en)
Inventor
Osamu C O Nec Corpor Ichiyoshi
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3882464D1 publication Critical patent/DE3882464D1/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
    • H04B7/2045—SS-FDMA, FDMA satellite switching
    • 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
    • H04B7/2041—Spot beam multiple access
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
DE8888114608T 1987-09-11 1988-09-07 Bewegliches satellitenkommunikationssystem. Expired - Lifetime DE3882464D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62228088A JPS6471329A (en) 1987-09-11 1987-09-11 Mobile body satellite communication system

Publications (1)

Publication Number Publication Date
DE3882464D1 true DE3882464D1 (de) 1993-08-26

Family

ID=16871000

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888114608T Expired - Lifetime DE3882464D1 (de) 1987-09-11 1988-09-07 Bewegliches satellitenkommunikationssystem.

Country Status (6)

Country Link
US (1) US4901310A (de)
EP (1) EP0306918B1 (de)
JP (1) JPS6471329A (de)
AU (1) AU604206B2 (de)
CA (1) CA1291584C (de)
DE (1) DE3882464D1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858225A (en) * 1987-11-05 1989-08-15 International Telecommunications Satellite Variable bandwidth variable center-frequency multibeam satellite-switched router
NO165980C (no) * 1988-11-07 1991-05-08 Frobe Radio As Fremgangsmaate for omforming respektive prosessering av elektroniske multiplekssignaler, og anordning for prosessering av slike signaler.
US5038344A (en) * 1988-11-22 1991-08-06 Nec Corporation FDM-TDM transforming device
CA2022189C (en) * 1989-09-05 1998-11-17 Bary Robert Bertiger Power management system for a worldwide multiple satellite communications system
US5161248A (en) * 1989-10-02 1992-11-03 Motorola, Inc. Method of predicting cell-to-cell hand-offs for a satellite cellular communications system
US5187805A (en) * 1989-10-02 1993-02-16 Motorola, Inc. Telemetry, tracking and control for satellite cellular communication systems
US5010317A (en) * 1989-11-30 1991-04-23 Motorola, Inc. Satellite based simulcast paging system
US5239670A (en) * 1989-11-30 1993-08-24 Motorola, Inc. Satellite based global paging system
WO1991009473A1 (en) * 1989-12-14 1991-06-27 Motorola, Inc. Satellite based acknowledge-back paging system
US5228029A (en) * 1990-02-27 1993-07-13 Motorola, Inc. Cellular tdm communication system employing offset frame synchronization
DE69118777T2 (de) * 1990-07-31 1996-10-02 Int Telecomm Satellite Bordseitige Nutzlast zur Kommunikation, schaltbar für Mehrfachband- und Mehrstrahlanwendungen
US5216671A (en) * 1990-12-13 1993-06-01 Rca Licensing Corporation High speed bit serial systems
US5274627A (en) * 1991-07-10 1993-12-28 International Telecommunications Satellite Organization Non-regenerative multibeam satellite communications system with FDMA access and SSTDM connectivity
US5625624A (en) * 1993-10-21 1997-04-29 Hughes Aircraft Company High data rate satellite communication system
US5619503A (en) * 1994-01-11 1997-04-08 Ericsson Inc. Cellular/satellite communications system with improved frequency re-use
US5539730A (en) * 1994-01-11 1996-07-23 Ericsson Ge Mobile Communications Inc. TDMA/FDMA/CDMA hybrid radio access methods
US6157811A (en) * 1994-01-11 2000-12-05 Ericsson Inc. Cellular/satellite communications system with improved frequency re-use
US5943324A (en) * 1994-01-11 1999-08-24 Ericsson, Inc. Methods and apparatus for mobile station to mobile station communications in a mobile satellite communication system
US5619210A (en) * 1994-04-08 1997-04-08 Ericsson Inc. Large phased-array communications satellite
FR2723279B1 (fr) * 1994-07-29 1996-09-06 Europ Agence Spatiale Systeme d'emission numerique par satellite
US5768268A (en) * 1995-07-19 1998-06-16 Watkins Johnson Company Wideband base station architecture for digital cellular communications system
US5652750A (en) * 1995-08-28 1997-07-29 Ericsson Inc. Optical satellite feeder links
US5835487A (en) 1995-12-08 1998-11-10 Worldspace International Network, Inc. Satellite direct radio broadcast system
US5864546A (en) * 1996-11-05 1999-01-26 Worldspace International Network, Inc. System for formatting broadcast data for satellite transmission and radio reception
KR100754810B1 (ko) * 1996-11-05 2007-09-03 월드스페이스 인코퍼레이티드 디지털위성 직접 방송시스템
US6108319A (en) * 1996-11-05 2000-08-22 Worldspace International Networks, Inc. Satellite payload processing system providing on-board rate alignment
US6115366A (en) * 1996-11-05 2000-09-05 Worldspace, Inc. System for managing space segment usage among broadcast service providers
US5870390A (en) * 1996-11-05 1999-02-09 Worldspace International Network, Inc. Statellite direct radio broadcast receiver for extracting a broadcast channel and service control header from time division multiplexed transmissions
US6333922B1 (en) 1996-11-05 2001-12-25 Worldspace, Inc. Satellite payload processing system for switching uplink signals to time division multiplexed downlink signals
US6542480B1 (en) 1996-11-05 2003-04-01 Worldspace, Inc. Satellite payload processing system using polyphase demultiplexing, quadrature phase shift keying demodulation and rate alignment
US5867490A (en) * 1996-11-05 1999-02-02 Worldspace International Network, Inc. Direct radio broadcast receiver for providing frame synchronization and correlation for time division multiplexed transmissions
GB2319695B (en) * 1996-11-20 1999-03-03 I Co Global Communications Communication method and apparatus
US6049566A (en) * 1997-07-24 2000-04-11 Trw Inc. High efficiency signaling with minimum spacecraft hardware
US6201798B1 (en) 1997-11-14 2001-03-13 Worldspace Management Corporation Signaling protocol for satellite direct radio broadcast system
TR200001351T2 (tr) * 1997-11-14 2002-06-21 Worldspace Management Corporation Uydudan doğrudan radyo yayın sistemi için sinyal protokolü.
US6064645A (en) * 1997-12-22 2000-05-16 Trw Inc. Bulk filtering and demodulation of independent FDMA sources
US6185265B1 (en) 1998-04-07 2001-02-06 Worldspace Management Corp. System for time division multiplexing broadcast channels with R-1/2 or R-3/4 convolutional coding for satellite transmission via on-board baseband processing payload or transparent payload
EP1353454A3 (de) * 1999-09-27 2005-10-19 EMS Technologies, Inc. Mehrstrahlsatellitenkommunikationssystem
EP1091506A3 (de) * 1999-10-01 2001-05-16 Ascom Systec AG Hybrider Funk CDMA/TDMA Zugriff für Satelliten Kommunikationssysteme
US6268827B1 (en) 1999-10-29 2001-07-31 Ball Aerospace & Technologies Corp. Method and apparatus for carrying signals having different frequencies in a space-deployed antenna system
GB2365677A (en) * 2000-02-29 2002-02-20 Ico Services Ltd Satellite communications with satellite routing according to channels assignment
US20040056852A1 (en) * 2002-09-23 2004-03-25 Jun-Ren Shih Source driver for driver-on-panel systems
WO2010027213A2 (en) * 2008-09-05 2010-03-11 Lg Electronics Inc. Network assisted positioning
EP2629433A1 (de) * 2012-02-16 2013-08-21 Astrium Limited Signalumwandlung in Kommunikationssatelliten
US9848370B1 (en) * 2015-03-16 2017-12-19 Rkf Engineering Solutions Llc Satellite beamforming

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512314A (ja) * 1974-06-24 1976-01-09 Nippon Telegraph & Telephone Tsushinhoshiki
GB1517172A (en) * 1974-06-28 1978-07-12 Trt Telecom Radio Electr Telecommunication system
US4381562A (en) * 1980-05-01 1983-04-26 Bell Telephone Laboratories, Incorporated Broadcast type satellite communication systems
US4425639A (en) * 1981-01-12 1984-01-10 Bell Telephone Laboratories, Incorporated Satellite communications system with frequency channelized beams
US4456988A (en) * 1981-01-29 1984-06-26 Kokusai Denshin Denwa Kabushiki Kaisha Satellite repeater
JPS6259432A (ja) * 1985-09-10 1987-03-16 Nec Corp Ｆｄｍ／ｔｄｍ相互変換方式
IT1191288B (it) * 1986-03-17 1988-02-24 Selenia Spazio Spa Sistema di telecomunicazione via satellite per terminali monolocali multiservizi
US4705239A (en) * 1986-08-18 1987-11-10 Baird Eric A Toy parachute
US4872015A (en) * 1986-12-01 1989-10-03 Hughes Aircraft Company Satellite communications system for mobile users
JPS6488273A (en) * 1987-09-30 1989-04-03 Nec Corp Communication/position-measurement system of moving body by satellites

Also Published As

Publication number Publication date
EP0306918A3 (en) 1989-08-30
EP0306918A2 (de) 1989-03-15
US4901310A (en) 1990-02-13
CA1291584C (en) 1991-10-29
JPS6471329A (en) 1989-03-16
EP0306918B1 (de) 1993-07-21
JPH0553412B2 (de) 1993-08-10
AU604206B2 (en) 1990-12-06
AU2194488A (en) 1989-03-16

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Legal Events

Date Code Title Description
8332 No legal effect for de