GB9713722D0 - Geosynchronous communications satellite system with reconfigurable service area - Google Patents
Geosynchronous communications satellite system with reconfigurable service areaInfo
- Publication number
- GB9713722D0 GB9713722D0 GBGB9713722.8A GB9713722A GB9713722D0 GB 9713722 D0 GB9713722 D0 GB 9713722D0 GB 9713722 A GB9713722 A GB 9713722A GB 9713722 D0 GB9713722 D0 GB 9713722D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- service area
- satellite system
- communications satellite
- geosynchronous communications
- reconfigurable service
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- 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
- 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
-
- 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
- H04B7/204—Multiple access
- H04B7/2041—Spot beam multiple access
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68348096A | 1996-07-18 | 1996-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9713722D0 true GB9713722D0 (en) | 1997-09-03 |
GB2315644A GB2315644A (en) | 1998-02-04 |
Family
ID=24744235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9713722A Withdrawn GB2315644A (en) | 1996-07-18 | 1997-07-01 | Geosynchronous communications satellite system with reconfigurable service area |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH1079696A (en) |
FR (1) | FR2751494A1 (en) |
GB (1) | GB2315644A (en) |
WO (1) | WO1998004017A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10256974A (en) * | 1997-03-14 | 1998-09-25 | Mitsubishi Electric Corp | Satellite communication system for mobile object |
US6011512A (en) * | 1998-02-25 | 2000-01-04 | Space Systems/Loral, Inc. | Thinned multiple beam phased array antenna |
US6377558B1 (en) | 1998-04-06 | 2002-04-23 | Ericsson Inc. | Multi-signal transmit array with low intermodulation |
US6160519A (en) * | 1998-08-21 | 2000-12-12 | Raytheon Company | Two-dimensionally steered antenna system |
US6304225B1 (en) | 1998-08-21 | 2001-10-16 | Raytheon Company | Lens system for antenna system |
US6192217B1 (en) | 1999-07-01 | 2001-02-20 | Assuresat, Inc. | Universal replacement communications satellite |
US6275184B1 (en) | 1999-11-30 | 2001-08-14 | Raytheon Company | Multi-level system and method for steering an antenna |
EP1310018B1 (en) * | 2000-08-16 | 2018-07-25 | Valeo Radar Systems, Inc. | Switched beam antenna architecture |
GB0822492D0 (en) * | 2008-12-10 | 2009-01-14 | Astrium Ltd | Content broadcasting |
CN104062930B (en) * | 2013-11-29 | 2017-05-10 | 中国空间技术研究院 | Universal touch-type switch matrix control card for liquid crystal display and application method thereof |
FR3062267B1 (en) * | 2017-01-20 | 2020-10-02 | Airbus Defence & Space Sas | PAYLOAD ARCHITECTURE OF A TELECOMMUNICATIONS SATELLITE |
US11923924B2 (en) * | 2018-02-26 | 2024-03-05 | Parallel Wireless, Inc. | Miniature antenna array with polar combining architecture |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5457465A (en) * | 1987-09-01 | 1995-10-10 | Ball Corporation | Conformal switched beam array antenna |
US5093668A (en) * | 1989-06-29 | 1992-03-03 | Ball Corporation | Multiple-beam array antenna |
FR2695775B1 (en) * | 1992-09-11 | 1994-11-10 | France Telecom | Method for reconfiguring antenna beam coverage in a satellite network. |
US5434575A (en) * | 1994-01-28 | 1995-07-18 | California Microwave, Inc. | Phased array antenna system using polarization phase shifting |
GB2288913B (en) * | 1994-04-18 | 1999-02-24 | Int Maritime Satellite Organiz | Satellite payload apparatus with beamformer |
GB2321831B (en) * | 1994-07-22 | 1999-02-17 | Int Mobile Satellite Org | Satellite communication method and apparatus |
EP0786826A3 (en) * | 1996-01-29 | 1999-06-02 | Hughes Electronics Corporation | Intermodulation scattering communications apparatus |
-
1997
- 1997-07-01 GB GB9713722A patent/GB2315644A/en not_active Withdrawn
- 1997-07-16 WO PCT/US1997/012706 patent/WO1998004017A1/en active Application Filing
- 1997-07-16 FR FR9709005A patent/FR2751494A1/en active Pending
- 1997-07-16 JP JP20848797A patent/JPH1079696A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2751494A1 (en) | 1998-01-23 |
WO1998004017A1 (en) | 1998-01-29 |
JPH1079696A (en) | 1998-03-24 |
GB2315644A (en) | 1998-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |