JPS5149166B1 - - Google Patents

Info

Publication number
JPS5149166B1
JPS5149166B1 JP45089407A JP8940770A JPS5149166B1 JP S5149166 B1 JPS5149166 B1 JP S5149166B1 JP 45089407 A JP45089407 A JP 45089407A JP 8940770 A JP8940770 A JP 8940770A JP S5149166 B1 JPS5149166 B1 JP S5149166B1
Authority
JP
Japan
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.)
Pending
Application number
JP45089407A
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 filed Critical
Publication of JPS5149166B1 publication Critical patent/JPS5149166B1/ja
Pending 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
    • H04B7/2046—SS-TDMA, TDMA 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
JP45089407A 1969-10-15 1970-10-13 Pending JPS5149166B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86655469A 1969-10-15 1969-10-15

Publications (1)

Publication Number Publication Date
JPS5149166B1 true JPS5149166B1 (ja) 1976-12-24

Family

ID=25347855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45089407A Pending JPS5149166B1 (ja) 1969-10-15 1970-10-13

Country Status (5)

Country Link
US (1) US3711855A (ja)
JP (1) JPS5149166B1 (ja)
DE (1) DE2050173C2 (ja)
FR (1) FR2064358B1 (ja)
GB (1) GB1329866A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188353U (ja) * 1975-01-13 1976-07-15

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928804A (en) * 1973-03-30 1975-12-23 Communications Satellite Corp Zone sharing transponder concept
US4105973A (en) * 1976-10-15 1978-08-08 Bell Telephone Laboratories, Incorporated Multibeam, digitally modulated, time division, switched satellite communications system
FR2368836A1 (fr) * 1976-10-22 1978-05-19 Matra Dispositif de transmission radio-electrique hyperfrequence a faisceaux multiples commutables
US4144495A (en) * 1977-02-23 1979-03-13 Communications Satellite Corporation Satellite switching system
US4145658A (en) * 1977-06-03 1979-03-20 Bell Telephone Laboratories, Incorporated Method and apparatus for cancelling interference between area coverage and spot coverage antenna beams
US4150335A (en) * 1977-08-22 1979-04-17 Communications Satellite Corporation Highly reliable distribution control unit with improved control capability
US4181886A (en) * 1977-08-22 1980-01-01 Communications Satellite Corporation Distribution control unit providing simultaneous hybrid FDMA and SS-TDMA operation in a transitional satellite switched system
US4204093A (en) * 1978-05-19 1980-05-20 Bell Telephone Laboratories, Incorporated Variable frame rate technique for use in a time-division multiple access (TDMA) communication system
US4189675A (en) * 1978-05-30 1980-02-19 Nasa Satellite personal communications system
US4315262A (en) * 1979-04-26 1982-02-09 Bell Telephone Laboratories, Incorporated Satellite communication system with a plurality of limited scan spot beams
EP0079612B1 (en) * 1981-11-16 1986-10-08 Nec Corporation Earth station transmission power control system
US4806938A (en) * 1984-11-20 1989-02-21 Raytheon Company Integrated self-adaptive array repeater and electronically steered directional transponder
GB2167626B (en) * 1984-11-20 1988-08-17 Raytheon Co Radio frequency antenna systems
JP3053173B2 (ja) * 1998-01-13 2000-06-19 日本電気株式会社 移動体衛星通信方法およびシステム
US6714557B1 (en) 1998-05-29 2004-03-30 Northrop Grumman Corporation Packet concatenation for increased transmission capacity
US6052085A (en) * 1998-06-05 2000-04-18 Motorola, Inc. Method and system for beamforming at baseband in a communication system
US7177592B2 (en) * 2003-05-30 2007-02-13 The Boeing Company Wireless communication system with split spot beam payload
US9184829B2 (en) 2010-05-02 2015-11-10 Viasat Inc. Flexible capacity satellite communications system
US8218476B2 (en) 2010-05-02 2012-07-10 Viasat, Inc. Flexible capacity satellite communications system with dynamic distribution and coverage areas
US10511379B2 (en) 2010-05-02 2019-12-17 Viasat, Inc. Flexible beamforming for satellite communications
RU2454796C1 (ru) * 2011-04-25 2012-06-27 Открытое акционерное общество Омское производственное объединение "Радиозавод им. А.С. Попова" (РЕЛЕРО) Сбрасываемый автономный ретранслятор радиосигналов
WO2012147753A1 (ja) * 2011-04-28 2012-11-01 三菱電機株式会社 中継衛星および衛星通信システム
CA3054698A1 (en) 2017-04-10 2018-10-18 Viasat, Inc. Coverage area adjustment to adapt satellite communications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095538A (en) * 1960-10-28 1963-06-25 Silberstein Richard Satellite relay station using antenna diversity selection
US3245081A (en) * 1963-02-08 1966-04-05 Hughes Aircraft Co Multiple feed wide angle antenna utilizing biconcave spherical delay lens
US3406401A (en) * 1966-08-25 1968-10-15 Bell Telephone Labor Inc Communication satellite system
US3384894A (en) * 1966-11-01 1968-05-21 Mobilradio Inc Communications system for simultaneous communications on a single channel
US3500406A (en) * 1968-08-29 1970-03-10 Us Navy Directive response transponder system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188353U (ja) * 1975-01-13 1976-07-15

Also Published As

Publication number Publication date
GB1329866A (en) 1973-09-12
DE2050173C2 (de) 1982-06-16
DE2050173A1 (de) 1971-04-22
FR2064358A1 (ja) 1971-07-23
FR2064358B1 (ja) 1973-01-12
US3711855A (en) 1973-01-16

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