IL135916A - Hybridized space/ground beam forming - Google Patents

Hybridized space/ground beam forming

Info

Publication number
IL135916A
IL135916A IL13591600A IL13591600A IL135916A IL 135916 A IL135916 A IL 135916A IL 13591600 A IL13591600 A IL 13591600A IL 13591600 A IL13591600 A IL 13591600A IL 135916 A IL135916 A IL 135916A
Authority
IL
Israel
Prior art keywords
payload
feeds
user
beam forming
signals
Prior art date
Application number
IL13591600A
Other languages
English (en)
Other versions
IL135916A0 (en
Original Assignee
Hughes Electronics 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 Hughes Electronics Corp filed Critical Hughes Electronics Corp
Publication of IL135916A0 publication Critical patent/IL135916A0/xx
Publication of IL135916A publication Critical patent/IL135916A/en

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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/40—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
    • 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
    • H04B7/18515—Transmission equipment in satellites or space-based relays
    • 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)
IL13591600A 1999-05-04 2000-05-02 Hybridized space/ground beam forming IL135916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/305,269 US6571081B1 (en) 1999-05-04 1999-05-04 Hybridized space/ground beam forming

Publications (2)

Publication Number Publication Date
IL135916A0 IL135916A0 (en) 2001-05-20
IL135916A true IL135916A (en) 2004-02-08

Family

ID=23180115

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13591600A IL135916A (en) 1999-05-04 2000-05-02 Hybridized space/ground beam forming

Country Status (4)

Country Link
US (1) US6571081B1 (fr)
EP (1) EP1050926B1 (fr)
DE (1) DE60028652T2 (fr)
IL (1) IL135916A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7961589B2 (en) * 2001-09-28 2011-06-14 Intel Corporation System and related methods for introducing sub-carrier diversity in a wideband communication system
US6782248B2 (en) * 2002-01-11 2004-08-24 Northrop Grumman Corporation Frequency scalable, low self-generated noise frequency source
US20030134635A1 (en) * 2002-01-11 2003-07-17 Lane Daniel R. Intermediate frequency transponded payload implementation
KR100575906B1 (ko) * 2002-10-25 2006-05-02 미츠비시 후소 트럭 앤드 버스 코포레이션 핸드 패턴 스위치 장치
US7155193B2 (en) * 2004-03-22 2006-12-26 Sierra Monolithics, Inc. Multi-channel filtering system for transceiver architectures
US20070152869A1 (en) * 2005-12-30 2007-07-05 Woodington Walter G Multichannel processing of signals in a radar system
US20080056189A1 (en) * 2006-08-29 2008-03-06 Wildblue Communications, Inc. Network-Access Satellite Communication System
EP1965511A1 (fr) * 2007-02-28 2008-09-03 Eutelsat SA Multiplexage des fréquences de liaison montante
US7792070B1 (en) * 2007-04-13 2010-09-07 Douglas Burr Multi-beam satellite network to maximize bandwidth utilization
FR2950762B1 (fr) * 2009-09-28 2011-10-21 Astrium Sas Systeme de telecommunications par satellite multifaisceaux et procede de formation de faisceaux
US9236934B1 (en) 2009-10-16 2016-01-12 Viasat, Inc. Satellite system architecture for coverage areas of disparate demand
US9413067B2 (en) 2013-03-12 2016-08-09 Huawei Technologies Co., Ltd. Simple 2D phase-mode enabled beam-steering means
US10270524B2 (en) 2014-04-15 2019-04-23 Space Systems/Loral, Llc Broadband satellite payload architecture
US9848370B1 (en) * 2015-03-16 2017-12-19 Rkf Engineering Solutions Llc Satellite beamforming
MY183129A (en) * 2015-04-10 2021-02-15 Viasat Inc End-to-end beamforming systems and satellites
US10355774B2 (en) 2015-04-10 2019-07-16 Viasat, Inc. End-to-end beamforming system
US10581501B2 (en) * 2016-06-16 2020-03-03 Telefonaktiebolaget Lm Ericsson (Publ) Flexible analog architecture for sectorization

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931802A (en) * 1988-03-11 1990-06-05 Communications Satellite Corporation Multiple spot-beam systems for satellite communications
US5220320A (en) * 1988-03-11 1993-06-15 Comsat Switch matrix including both B switching elements and crossbar switch matrices
US4901085A (en) 1988-09-23 1990-02-13 Spar Aerospace Limited Divided LLBFN/HMPA transmitted architecture
US5132694A (en) 1989-06-29 1992-07-21 Ball Corporation Multiple-beam array antenna
EP0446610A1 (fr) 1990-03-07 1991-09-18 Hughes Aircraft Company Antenne à balayage électronique à grossissement avec un réseau numérique de formation de faisceaux
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
US5422647A (en) * 1993-05-07 1995-06-06 Space Systems/Loral, Inc. Mobile communication satellite payload
US5539730A (en) * 1994-01-11 1996-07-23 Ericsson Ge Mobile Communications Inc. TDMA/FDMA/CDMA hybrid radio access methods
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
US5589834A (en) * 1994-04-22 1996-12-31 Stanford Telecommunications, Inc. Cost effective geosynchronous mobile satellite communication system
JPH0837482A (ja) 1994-07-21 1996-02-06 Mitsubishi Electric Corp 通信装置
US5835487A (en) * 1995-12-08 1998-11-10 Worldspace International Network, Inc. Satellite direct radio broadcast system
US5784030A (en) * 1996-06-06 1998-07-21 Hughes Electronics Corporation Calibration method for satellite communications payloads using hybrid matrices
US5903549A (en) 1997-02-21 1999-05-11 Hughes Electronics Corporation Ground based beam forming utilizing synchronized code division multiplexing

Also Published As

Publication number Publication date
EP1050926B1 (fr) 2006-06-14
DE60028652D1 (de) 2006-07-27
DE60028652T2 (de) 2007-05-16
IL135916A0 (en) 2001-05-20
EP1050926A2 (fr) 2000-11-08
EP1050926A3 (fr) 2002-07-31
US6571081B1 (en) 2003-05-27

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