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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5188353U (ja) * | 1975-01-13 | 1976-07-15 |
Families Citing this family (23)
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 |
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 |
US4150335A (en) * | 1977-08-22 | 1979-04-17 | Communications Satellite Corporation | Highly reliable distribution control unit with improved control capability |
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 |
AU553961B2 (en) * | 1981-11-16 | 1986-07-31 | Nippon Electric Co. Ltd. | Satellite earth station output control |
GB2167626B (en) * | 1984-11-20 | 1988-08-17 | Raytheon Co | Radio frequency antenna systems |
US4806938A (en) * | 1984-11-20 | 1989-02-21 | Raytheon Company | Integrated self-adaptive array repeater and electronically steered directional transponder |
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 |
US8144643B2 (en) | 2010-05-02 | 2012-03-27 | Viasat, Inc. | Flexible capacity satellite communications system with flexible allocation between forward and return capacity |
US9184829B2 (en) | 2010-05-02 | 2015-11-10 | Viasat Inc. | Flexible capacity satellite communications system |
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 |
US20140036765A1 (en) * | 2011-04-28 | 2014-02-06 | Mitsubishi Electric Corporation | Relay satellite and satellite communication system |
ES2901210T3 (es) | 2017-04-10 | 2022-03-21 | Viasat Inc | Ajuste de zonas de cobertura para adaptar comunicaciones vía satélite |
Family Cites Families (5)
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 |
-
1969
- 1969-10-15 US US00866554A patent/US3711855A/en not_active Expired - Lifetime
-
1970
- 1970-10-13 DE DE2050173A patent/DE2050173C2/de not_active Expired
- 1970-10-13 JP JP45089407A patent/JPS5149166B1/ja active Pending
- 1970-10-14 GB GB4886870A patent/GB1329866A/en not_active Expired
- 1970-10-15 FR FR707037306A patent/FR2064358B1/fr not_active Expired
Cited By (1)
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 |
FR2064358B1 (ja) | 1973-01-12 |
DE2050173C2 (de) | 1982-06-16 |
US3711855A (en) | 1973-01-16 |
DE2050173A1 (de) | 1971-04-22 |
FR2064358A1 (ja) | 1971-07-23 |