GB2320154B - Mobile satellite communication system - Google Patents
Mobile satellite communication systemInfo
- Publication number
- GB2320154B GB2320154B GB9804540A GB9804540A GB2320154B GB 2320154 B GB2320154 B GB 2320154B GB 9804540 A GB9804540 A GB 9804540A GB 9804540 A GB9804540 A GB 9804540A GB 2320154 B GB2320154 B GB 2320154B
- Authority
- GB
- United Kingdom
- Prior art keywords
- communication system
- satellite communication
- mobile satellite
- mobile
- satellite
- 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.)
- Expired - Fee Related
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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18545—Arrangements for managing station mobility, i.e. for station registration or localisation
- H04B7/18547—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
- H04B7/1855—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification
- H04B7/18552—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification using a telephonic control signal and a second ranging satellite
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/02—Details of the space or ground control segments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/14—Determining absolute distances from a plurality of spaced points of known location
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5167650A JP2997610B2 (en) | 1993-07-07 | 1993-07-07 | Mobile satellite communication system |
GB9411461A GB2279842B (en) | 1993-07-07 | 1994-06-08 | Mobile satellite communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9804540D0 GB9804540D0 (en) | 1998-04-29 |
GB2320154A GB2320154A (en) | 1998-06-10 |
GB2320154B true GB2320154B (en) | 1998-07-29 |
Family
ID=26305018
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9804540A Expired - Fee Related GB2320154B (en) | 1993-07-07 | 1994-06-08 | Mobile satellite communication system |
GB9721234A Expired - Fee Related GB2317536B (en) | 1993-07-07 | 1994-06-08 | Mobile satellite communication system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9721234A Expired - Fee Related GB2317536B (en) | 1993-07-07 | 1994-06-08 | Mobile satellite communication system |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2320154B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6418314B2 (en) * | 1998-05-01 | 2002-07-09 | Ericsson Inc. | Methods for determining registration at a satellite communications system and related user terminals and systems |
KR20000032614A (en) * | 1998-11-16 | 2000-06-15 | 이흥수 | Method and apparatus for collecting traffic information and method for processing speed data of traffic information |
US6408178B1 (en) * | 1999-03-29 | 2002-06-18 | Ericsson Inc. | Systems and methods for resolving GPS pseudo-range ambiguity |
CN100411490C (en) * | 2006-06-27 | 2008-08-13 | 重庆邮电大学 | Method for mixed positioning AOA/TOA and GPS of TD-SCDMA network |
CN109921841B (en) * | 2018-12-29 | 2021-06-25 | 顺丰科技有限公司 | Unmanned aerial vehicle communication method and system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993006685A1 (en) * | 1991-09-20 | 1993-04-01 | Qualcomm Incorporated | Mobile communications device registration method |
WO1993013618A1 (en) * | 1991-12-26 | 1993-07-08 | Sygnet Communications, Inc. | Cellular telephone system that uses position of a mobile unit to make call management decisions |
GB2271486A (en) * | 1992-10-07 | 1994-04-13 | Motorola Ltd | A cellular communications system employing GPS positioning |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2106534A1 (en) * | 1992-12-07 | 1994-06-08 | Kristine Patricia Maine | Intelligent position tracking |
US5548801A (en) * | 1993-02-10 | 1996-08-20 | Kokusai Denshin Denwa Kabushiki Kaisha | System for determining and registering location of mobile terminal for communication system with non-geosynchronous satellites |
-
1994
- 1994-06-08 GB GB9804540A patent/GB2320154B/en not_active Expired - Fee Related
- 1994-06-08 GB GB9721234A patent/GB2317536B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993006685A1 (en) * | 1991-09-20 | 1993-04-01 | Qualcomm Incorporated | Mobile communications device registration method |
WO1993013618A1 (en) * | 1991-12-26 | 1993-07-08 | Sygnet Communications, Inc. | Cellular telephone system that uses position of a mobile unit to make call management decisions |
GB2271486A (en) * | 1992-10-07 | 1994-04-13 | Motorola Ltd | A cellular communications system employing GPS positioning |
Also Published As
Publication number | Publication date |
---|---|
GB9804540D0 (en) | 1998-04-29 |
GB2317536A (en) | 1998-03-25 |
GB9721234D0 (en) | 1997-12-03 |
GB2317536B (en) | 1998-07-29 |
GB2320154A (en) | 1998-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070608 |