DE69921294D1 - Strahlungskeulenmanagement in einem satellitenkommunikationssystem - Google Patents

Strahlungskeulenmanagement in einem satellitenkommunikationssystem

Info

Publication number
DE69921294D1
DE69921294D1 DE69921294T DE69921294T DE69921294D1 DE 69921294 D1 DE69921294 D1 DE 69921294D1 DE 69921294 T DE69921294 T DE 69921294T DE 69921294 T DE69921294 T DE 69921294T DE 69921294 D1 DE69921294 D1 DE 69921294D1
Authority
DE
Germany
Prior art keywords
communication system
satellite communication
radiation management
radiation
management
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
DE69921294T
Other languages
English (en)
Other versions
DE69921294T2 (de
Inventor
Joe Haber
Thomas Kronke
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.)
Cdc Propriete Intellectuelle Sa Paris Fr
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DE69921294D1 publication Critical patent/DE69921294D1/de
Application granted granted Critical
Publication of DE69921294T2 publication Critical patent/DE69921294T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/288—Satellite antennas
    • 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
    • H04B7/195—Non-synchronous stations
    • 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)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
DE69921294T 1998-01-05 1999-01-04 Strahlungskeulenmanagement in einem satellitenkommunikationssystem Expired - Lifetime DE69921294T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/002,794 US6081227A (en) 1998-01-05 1998-01-05 Method and apparatus for beam management in a satellite communication system
US2794 1998-01-05
PCT/US1999/000003 WO1999035766A1 (en) 1998-01-05 1999-01-04 Beam management in a satellite communication system

Publications (2)

Publication Number Publication Date
DE69921294D1 true DE69921294D1 (de) 2004-11-25
DE69921294T2 DE69921294T2 (de) 2005-03-24

Family

ID=21702542

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69921294T Expired - Lifetime DE69921294T2 (de) 1998-01-05 1999-01-04 Strahlungskeulenmanagement in einem satellitenkommunikationssystem

Country Status (6)

Country Link
US (1) US6081227A (de)
EP (1) EP1046247B1 (de)
JP (1) JP2002501324A (de)
AU (1) AU2557499A (de)
DE (1) DE69921294T2 (de)
WO (1) WO1999035766A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6430393B1 (en) * 1999-08-23 2002-08-06 Hughes Electronics Corporation Satellite communication system using linear cell tracking
WO2001020824A1 (en) * 1999-09-14 2001-03-22 Interactive Media Holdings Limited Improvements in and relating to multi-media broadcasting
AU1194801A (en) * 1999-11-05 2001-06-06 Motorola, Inc. Earth-fixed beams from a space vehicle
US6288670B1 (en) * 1999-12-23 2001-09-11 Hughes Electronics Corporation Combined roll-yaw spacecraft steering method for low earth orbit target trajectory compensation
US6323817B1 (en) * 2000-01-19 2001-11-27 Hughes Electronics Corporation Antenna cluster configuration for wide-angle coverage
US6600921B1 (en) * 2000-02-16 2003-07-29 Hughes Electronics Corporation Dual coverage grid method
US6757858B1 (en) * 2000-07-31 2004-06-29 Hughes Electronics Corp. System signaling for payload fault detection and isolation
FR2965412B1 (fr) * 2010-09-24 2013-03-22 Thales Sa Systeme antennaire a deux grilles de spots a mailles complementaires imbriquees
US9991950B2 (en) * 2015-07-24 2018-06-05 Worldvu Satellites Limited Communication-satellite system with enhanced capacity in designated locations
CR20180125A (es) 2015-07-31 2018-05-14 Viasat Inc Constelación de satélites de capacidad felxible
TWI680680B (zh) * 2017-05-05 2019-12-21 聯發科技股份有限公司 波束管理方法及其使用者設備
US10355778B1 (en) * 2017-12-31 2019-07-16 Hughes Network Systems, Llc Stationary fixed ground-based cells in a non-geostationary orbit communications system
WO2019173014A1 (en) * 2018-03-07 2019-09-12 Sea Tel, Inc. (Dba Cobham Satcom) Antenna system with active array on tracking pedestal
JP6853395B2 (ja) * 2020-02-25 2021-03-31 ワールドビュー・サテライツ・リミテッド 衛星システム内のユーザ端末における信号対雑音比を維持するための方法
CN113517919B (zh) * 2020-04-09 2022-12-06 中国电信股份有限公司 卫星地面系统中信关站的控制方法、装置和卫星地面系统
US20220095303A1 (en) * 2020-09-18 2022-03-24 EOS Defense Systems USA, Inc. Satellite system for allocating portions of a frequency band
CN113098590B (zh) * 2021-04-19 2022-03-04 西安电子科技大学 面向非均匀业务覆盖的卫星星座构型参数优化方法
CN113791430B (zh) * 2021-09-10 2023-05-05 上海卫星工程研究所 组合体测控覆盖区域拓展方法
CN114866131B (zh) * 2022-05-02 2022-10-14 军事科学院系统工程研究院网络信息研究所 面向指向精度和覆盖需求的多星联合标校方法

Family Cites Families (9)

* 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.
US5668556A (en) * 1991-10-02 1997-09-16 Alcatel Espace Low-orbit satellite communications system for terminals
US5736959A (en) * 1991-10-28 1998-04-07 Teledesic Corporation Earth-fixed cell beam management for satellite communication system using dielectic lens-focused scanning beam antennas
AU3176893A (en) * 1991-11-08 1993-06-07 Calling Communications Corporation Beam compensation methods for satellite communication system
US5268694A (en) * 1992-07-06 1993-12-07 Motorola, Inc. Communication system employing spectrum reuse on a spherical surface
US5422647A (en) * 1993-05-07 1995-06-06 Space Systems/Loral, Inc. Mobile communication satellite payload
US5621415A (en) * 1994-11-15 1997-04-15 Teledesic Corporation Linear cell satellite system
US5739784A (en) * 1995-11-20 1998-04-14 Motorola, Inc. Method and beam stepping apparatus for a satellite cellular communication system
US5738309A (en) * 1996-02-28 1998-04-14 Hughes Electronics Single axis correction for orbit inclination

Also Published As

Publication number Publication date
US6081227A (en) 2000-06-27
DE69921294T2 (de) 2005-03-24
EP1046247B1 (de) 2004-10-20
WO1999035766A1 (en) 1999-07-15
JP2002501324A (ja) 2002-01-15
AU2557499A (en) 1999-07-26
EP1046247A1 (de) 2000-10-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TORSAL TECHNOLOGY GROUP LTD. LLC, WILMINGTON, , US

8327 Change in the person/name/address of the patent owner

Owner name: CDC PROPRIETE INTELLECTUELLE SA, PARIS, FR