DE69230393D1 - Kommunikationsanordnung für Endgeräten mit Satelliten auf niedrigen Umlaufbahnen - Google Patents

Kommunikationsanordnung für Endgeräten mit Satelliten auf niedrigen Umlaufbahnen

Info

Publication number
DE69230393D1
DE69230393D1 DE69230393T DE69230393T DE69230393D1 DE 69230393 D1 DE69230393 D1 DE 69230393D1 DE 69230393 T DE69230393 T DE 69230393T DE 69230393 T DE69230393 T DE 69230393T DE 69230393 D1 DE69230393 D1 DE 69230393D1
Authority
DE
Germany
Prior art keywords
satellites
terminals
communication arrangement
low orbits
orbits
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 - Fee Related
Application number
DE69230393T
Other languages
English (en)
Other versions
DE69230393T2 (de
Inventor
Denis Rouffet
Frederic Berthault
Michel Mazzella
Yannick Tanguy
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Application granted granted Critical
Publication of DE69230393D1 publication Critical patent/DE69230393D1/de
Publication of DE69230393T2 publication Critical patent/DE69230393T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/2041—Spot beam multiple access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
DE1992630393 1991-10-02 1992-10-01 Kommunikationsanordnung für Endgeräten mit Satelliten auf niedrigen Umlaufbahnen Expired - Fee Related DE69230393T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9112119A FR2682238B1 (fr) 1991-10-02 1991-10-02 Systeme de communications par satellites en orbite basse a destination de terminaux.

Publications (2)

Publication Number Publication Date
DE69230393D1 true DE69230393D1 (de) 2000-01-13
DE69230393T2 DE69230393T2 (de) 2000-07-06

Family

ID=9417508

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992630393 Expired - Fee Related DE69230393T2 (de) 1991-10-02 1992-10-01 Kommunikationsanordnung für Endgeräten mit Satelliten auf niedrigen Umlaufbahnen

Country Status (7)

Country Link
EP (1) EP0536068B1 (de)
JP (1) JPH06503458A (de)
AU (2) AU672758B2 (de)
CA (1) CA2097504C (de)
DE (1) DE69230393T2 (de)
FR (1) FR2682238B1 (de)
WO (1) WO1993007683A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677197B1 (fr) * 1991-05-31 1994-09-16 Alcatel Espace Systeme de communications par satellites en orbite basse a destination de terminaux mobiles.
GB2321831B (en) 1994-07-22 1999-02-17 Int Mobile Satellite Org Satellite communication method and apparatus
US5621415A (en) * 1994-11-15 1997-04-15 Teledesic Corporation Linear cell satellite system
WO1996019049A1 (en) * 1994-12-12 1996-06-20 Ericsson Inc. Diversity-oriented channel allocation in a mobile communications system
FR2729025B1 (fr) * 1995-01-02 1997-03-21 Europ Agence Spatiale Procede et systeme de transmission de signaux radioelectriques via un reseau de satellites entre une station terrestre fixe et des terminaux mobiles d'usagers
FR2735304B1 (fr) * 1995-06-12 1997-07-11 Alcatel Espace Systeme de communication par satellites a defilement, satellite, station et terminal y inclus
US6108364A (en) * 1995-08-31 2000-08-22 Qualcomm Incorporated Time division duplex repeater for use in a CDMA system
AU6987896A (en) * 1996-09-06 1998-03-26 Brigitta Wagner Wireless communications system using beam direction multiplexing
FR2741493B1 (fr) * 1996-12-03 1998-08-21 Europ Agence Spatiale Procede et systeme de transmission de signaux radioelectriques via un reseau de satellites entre une station terrestre fixe et des terminaux mobiles d'usagers
US5790070A (en) * 1997-05-05 1998-08-04 Motorola, Inc. Network and method for controlling steerable beams
US6243366B1 (en) * 1997-06-20 2001-06-05 At&T Corp. Method and apparatus for providing interactive two-way communications using a single one-way channel in satellite systems
EP1030467A1 (de) * 1999-02-18 2000-08-23 ICO Services Ltd. Satelliten Kommunikationsanordnung mit einem Aufbauwerk für Antennastrahlen und Frequenzsprungdaten dem Benutzer übertragen
US7426386B1 (en) 2000-06-21 2008-09-16 Northrop Grumman Corporation Beam laydown for hopped satellite downlink with adaptable duty cycle
US6859652B2 (en) 2000-08-02 2005-02-22 Mobile Satellite Ventures, Lp Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis
ATE527764T1 (de) 2000-08-02 2011-10-15 Atc Tech Llc Koordinierte wiederverwendung von frequenzen von einem irdischen system und einem satellitensystem.
US7792488B2 (en) 2000-12-04 2010-09-07 Atc Technologies, Llc Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength
AU2002366178C1 (en) * 2001-11-20 2009-03-05 Qualcomm Incorporated Reverse link power controlled repeater
CN102540127B (zh) * 2012-01-05 2014-06-18 北京东方计量测试研究所 低轨道航天器空间电位探测器校准平台
US20210036768A1 (en) * 2018-02-13 2021-02-04 Satixfy Israel Ltd. A Method for Implementing Beam Hopping in a Satellite Communications Network
CN116567829A (zh) * 2023-05-18 2023-08-08 西安交通大学 一种低轨卫星物联网场景下的上行资源分配方法及设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2129898B1 (de) * 1971-03-19 1975-02-21 Thomson Csf
US4292683A (en) * 1979-11-06 1981-09-29 Satellite Business Systems Guard band reduction in open loop TDMA communications
US4823341A (en) * 1986-08-14 1989-04-18 Hughes Aircraft Company Satellite communications system having frequency addressable high gain downlink beams
DE3644176A1 (de) * 1986-12-23 1988-07-14 Messerschmitt Boelkow Blohm Verfahren zur uebertragung von daten mittels eines geostationaeren satelliten und wenigstens eines subsatelliten
IL91529A0 (en) * 1988-10-28 1990-04-29 Motorola Inc Satellite cellular telephone and data communication 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
FR2677197B1 (fr) * 1991-05-31 1994-09-16 Alcatel Espace Systeme de communications par satellites en orbite basse a destination de terminaux mobiles.

Also Published As

Publication number Publication date
DE69230393T2 (de) 2000-07-06
AU672758B2 (en) 1996-10-17
AU6066296A (en) 1996-10-03
AU2602992A (en) 1993-04-08
EP0536068B1 (de) 1999-12-08
JPH06503458A (ja) 1994-04-14
FR2682238A1 (fr) 1993-04-09
FR2682238B1 (fr) 1994-10-07
CA2097504A1 (fr) 1993-04-03
CA2097504C (fr) 1998-05-12
EP0536068A1 (de) 1993-04-07
WO1993007683A1 (fr) 1993-04-15

Similar Documents

Publication Publication Date Title
DE69230393D1 (de) Kommunikationsanordnung für Endgeräten mit Satelliten auf niedrigen Umlaufbahnen
DE68909838D1 (de) Doppeleinfügungsstruktur für Anschlussklemmen in Steckverbindern.
DE69213555D1 (de) Kontaktgeber für Karten mit Schaltkreis
DE68920216D1 (de) Karte für integrierten Schaltkreis mit geringem Stromverbrauch.
PT80417A (en) Improvements in transport systems
DE3280015D1 (en) Improvements in 2-wire analog communication systems
NO874147D0 (no) Kommunikasjonssystem og stasjoner for bruk i saadant system
GB8423305D0 (en) Boresight module
ES532629A0 (es) Circuito de interfase uso en un sistema de comunicacion telefonica.
GB8816140D0 (en) Mobile accommodation structure with extension unit
MX9200736A (es) Circuito de via ferrea en satelite maestro.
DE68921435D1 (de) Umleitungskreis für Zelle.
GB8825367D0 (en) Semi-strapdown gyromagnetic compass
DE69410868D1 (de) Verbinder für Batterie
DE68920363D1 (de) Fehlerschutzschaltung für Stromversorgung.
DE58907764D1 (de) Integrierte Spannungsvervielfachschaltung für niedrige Versorgungsspannung.
IT8921534A0 (it) Collegamento flessibile da usare in aerei.
DE3470266D1 (en) Communication system having reconfigurable data terminals
GB8904874D0 (en) Self unloading pump circuit
DE69224033D1 (de) Antennensystem für Satelliten-Kommunikation
ES530736A0 (es) Perfeccionamientos en los sistemas telefonicos
EP0601853A3 (en) Line accommodation circuit.
AU4368385A (en) Current measurement in telephone circuits
DK303984A (da) Tilpasningsindretning til anvendelse i en ekstruder
ES543466A0 (es) Perfeccionamientos en los circuitos telefonicos

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee