SE403681B - Anordning vid ett rumsuppdelat och fleraccess-tidsuppdelat kommunikationssystem som utnyttjar en satellit - Google Patents
Anordning vid ett rumsuppdelat och fleraccess-tidsuppdelat kommunikationssystem som utnyttjar en satellitInfo
- Publication number
- SE403681B SE403681B SE7404233A SE7404233A SE403681B SE 403681 B SE403681 B SE 403681B SE 7404233 A SE7404233 A SE 7404233A SE 7404233 A SE7404233 A SE 7404233A SE 403681 B SE403681 B SE 403681B
- Authority
- SE
- Sweden
- Prior art keywords
- divided
- satellite
- access
- space
- communication system
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US346388A US3928804A (en) | 1973-03-30 | 1973-03-30 | Zone sharing transponder concept |
Publications (1)
Publication Number | Publication Date |
---|---|
SE403681B true SE403681B (sv) | 1978-08-28 |
Family
ID=23359145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7404233A SE403681B (sv) | 1973-03-30 | 1974-03-29 | Anordning vid ett rumsuppdelat och fleraccess-tidsuppdelat kommunikationssystem som utnyttjar en satellit |
Country Status (4)
Country | Link |
---|---|
US (1) | US3928804A (xx) |
FR (1) | FR2223916B1 (xx) |
GB (1) | GB1462427A (xx) |
SE (1) | SE403681B (xx) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4135156A (en) * | 1974-06-20 | 1979-01-16 | Sanders Associates, Inc. | Satellite communications system incorporating ground relay station through which messages between terminal stations are routed |
US4041397A (en) * | 1976-04-28 | 1977-08-09 | The United States Of America As Represented By The Secretary Of The Navy | Satellite up link diversity switch |
US4105973A (en) * | 1976-10-15 | 1978-08-08 | Bell Telephone Laboratories, Incorporated | Multibeam, digitally modulated, time division, switched satellite communications system |
US4144495A (en) * | 1977-02-23 | 1979-03-13 | Communications Satellite Corporation | Satellite switching system |
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 |
JPS54116860A (en) * | 1978-03-03 | 1979-09-11 | Nippon Telegr & Teleph Corp <Ntt> | Variable power distributor |
US4188578A (en) * | 1978-05-19 | 1980-02-12 | Bell Telephone Laboratories, Incorporated | Satellite communication system which concurrently transmits a scanning spot beam and a plurality of fixed spot beams |
US4189675A (en) * | 1978-05-30 | 1980-02-19 | Nasa | Satellite personal communications system |
US4232266A (en) * | 1978-09-05 | 1980-11-04 | Bell Telephone Laboratories, Incorporated | Technique for sharing a plurality of transponders among a same or larger number of channels |
US4315262A (en) * | 1979-04-26 | 1982-02-09 | Bell Telephone Laboratories, Incorporated | Satellite communication system with a plurality of limited scan spot beams |
US4301533A (en) * | 1979-11-27 | 1981-11-17 | Bell Telephone Laboratories, Incorporated | Technique for increasing the rain margin of a TDMA satellite communication system |
US4425639A (en) * | 1981-01-12 | 1984-01-10 | Bell Telephone Laboratories, Incorporated | Satellite communications system with frequency channelized beams |
US4599619A (en) * | 1982-07-13 | 1986-07-08 | Rca Corporation | Satellite dual antenna pointing system |
IT1207048B (it) * | 1984-11-02 | 1989-05-17 | Consiglio Nazionale Ricerche | Sistema per telecomunicazioni via satellite con copertura multifascio ed assegnazione a gestione dinamica della capacita'trasmissiva. |
US4698805A (en) * | 1985-09-13 | 1987-10-06 | Motorola, Inc. | Console interface for a trunked radio system |
US5285208A (en) * | 1989-09-05 | 1994-02-08 | Motorola, Inc. | Power management system for a worldwide multiple satellite communications system |
US5439190A (en) * | 1991-04-22 | 1995-08-08 | Trw Inc. | Medium-earth-altitude satellite-based cellular telecommunications |
US5433726A (en) * | 1991-04-22 | 1995-07-18 | Trw Inc. | Medium-earth-altitude satellite-based cellular telecommunications system |
US5361255A (en) * | 1991-04-29 | 1994-11-01 | Dsc Communications Corporation | Method and apparatus for a high speed asynchronous transfer mode switch |
US5227802A (en) * | 1991-12-23 | 1993-07-13 | Motorola, Inc. | Satellite system cell management |
US5787336A (en) * | 1994-11-08 | 1998-07-28 | Space Systems/Loral, Inc. | Satellite communication power management system |
FR2765421B1 (fr) * | 1997-06-26 | 1999-09-24 | Alsthom Cge Alcatel | Systeme de telecommunication |
EP1976149B1 (en) * | 2007-03-29 | 2011-10-19 | Sony Deutschland GmbH | Method and device for transmitting signals in a wireless communication system and method and device for receiving signals in a wireless communication system |
US9086472B2 (en) * | 2012-09-26 | 2015-07-21 | Gennadii Ivtsenkov | Multi-transceiver RF alert system for preventing hunting accidents |
Family Cites Families (2)
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 |
US3711855A (en) * | 1969-10-15 | 1973-01-16 | Communications Satellite Corp | Satellite on-board switching utilizing space-division and spot beam antennas |
-
1973
- 1973-03-30 US US346388A patent/US3928804A/en not_active Expired - Lifetime
-
1974
- 1974-01-31 FR FR7403298A patent/FR2223916B1/fr not_active Expired
- 1974-03-29 SE SE7404233A patent/SE403681B/xx not_active IP Right Cessation
- 1974-04-01 GB GB1430474A patent/GB1462427A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2223916B1 (xx) | 1978-06-16 |
US3928804A (en) | 1975-12-23 |
GB1462427A (en) | 1977-01-26 |
FR2223916A1 (xx) | 1974-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7404233-4 Effective date: 19940410 Format of ref document f/p: F |