CA2460495A1 - Methods and systems for modifying satellite antenna cell patterns in response to terrestrial reuse of satellite frequencies - Google Patents
Methods and systems for modifying satellite antenna cell patterns in response to terrestrial reuse of satellite frequencies Download PDFInfo
- Publication number
- CA2460495A1 CA2460495A1 CA002460495A CA2460495A CA2460495A1 CA 2460495 A1 CA2460495 A1 CA 2460495A1 CA 002460495 A CA002460495 A CA 002460495A CA 2460495 A CA2460495 A CA 2460495A CA 2460495 A1 CA2460495 A1 CA 2460495A1
- Authority
- CA
- Canada
- Prior art keywords
- satellite
- predetermined
- cell
- radiotelephone
- satellite radiotelephone
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims 21
- 210000001057 smooth muscle myoblast Anatomy 0.000 claims abstract 68
- 230000005855 radiation Effects 0.000 claims abstract 22
- 238000012544 monitoring process Methods 0.000 claims 7
- 239000003638 chemical reducing agent Substances 0.000 claims 3
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
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
-
- 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
- H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
- H04B7/18543—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
-
- 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
- H04B7/18563—Arrangements for interconnecting multiple systems
-
- 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
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
Abstract
Space-based wireless radiotelephone communications (100) are provided in a satellite footprint over a satellite radiotelephone frequency band (fD, fU). The satellite footprint is divided into satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band ar e spatially reused. At least one of the satellite radiotelephone frequencies (f'D, f'U) that is assigned to a given satellite cell in the satellite footprint is terrestrially reused outside the given satellite cell. A radiation pattern of at least the given satellite cell is modified to reduce interference with the at least one of the satellite radiotelephone frequenci es that is terrestrially reused outside the given satellite cell.
Claims (44)
1. A satellite radiotelephone communications method comprising:
providing space-based wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused;
terrestrially reusing at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell; and modifying a radiation pattern of at least the predetermined satellite cell to reduce interference with the at least one of the satellite radiotelephone frequencies that is terrestrially reused outside the predetermined satellite cell.
providing space-based wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused;
terrestrially reusing at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell; and modifying a radiation pattern of at least the predetermined satellite cell to reduce interference with the at least one of the satellite radiotelephone frequencies that is terrestrially reused outside the predetermined satellite cell.
2. A satellite radiotelephone communications method according to Claim 1 wherein the modifying comprises:
obtaining at least one location outside the predetermined satellite cell where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference; and modifying the radiation pattern of the predetermined satellite cell to reduce interference at the at least one location outside the predetermined satellite cell, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused at the at least one location outside the predetermined satellite cell.
obtaining at least one location outside the predetermined satellite cell where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference; and modifying the radiation pattern of the predetermined satellite cell to reduce interference at the at least one location outside the predetermined satellite cell, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused at the at least one location outside the predetermined satellite cell.
3. A satellite radiotelephone communications method according to Claim 1 wherein the modifying is preceded by:
monitoring signal levels and/or content of at least one satellite Broadcast Control CHannel (BCCH) at at least one location outside the predetermined satellite cell to determine where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference.
monitoring signal levels and/or content of at least one satellite Broadcast Control CHannel (BCCH) at at least one location outside the predetermined satellite cell to determine where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference.
4. A satellite radiotelephone communications method according to Claim 1:
wherein the modifying comprises increasing attenuation of the radiation pattern of the predetermined satellite cell as a boundary of the predetermined satellite cell is approached.
wherein the modifying comprises increasing attenuation of the radiation pattern of the predetermined satellite cell as a boundary of the predetermined satellite cell is approached.
5. A satellite radiotelephone communications method according to Claim 1 wherein the modifying is performed repeatedly.
6. A satellite radiotelephone communications method according to Claim 1:
wherein the terrestrially reusing comprises terrestrially reusing at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell, in a network of ancillary terrestrial components; and wherein the modifying comprises modifying a radiation pattern of at least the predetermined satellite cell to reduce interference with the at least one of the satellite radiotelephone frequencies that is terrestrially reused in at least one of the ancillary terrestrial components outside the predetermined satellite cell.
wherein the terrestrially reusing comprises terrestrially reusing at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell, in a network of ancillary terrestrial components; and wherein the modifying comprises modifying a radiation pattern of at least the predetermined satellite cell to reduce interference with the at least one of the satellite radiotelephone frequencies that is terrestrially reused in at least one of the ancillary terrestrial components outside the predetermined satellite cell.
7. A satellite radiotelephone communications method according to Claim 6 wherein the modifying comprises:
determining a location of the at least one of the ancillary terrestrial components outside the predetermined satellite cell where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference; and modifying the radiation pattern of the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components.
determining a location of the at least one of the ancillary terrestrial components outside the predetermined satellite cell where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference; and modifying the radiation pattern of the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components.
8. A satellite radiotelephone communications method according to Claim 6 wherein the modifying is preceded by:
monitoring signal levels and/or content of at least one satellite Broadcast Control CHannel (BCCH) at at least one of the ancillary terrestrial components.
monitoring signal levels and/or content of at least one satellite Broadcast Control CHannel (BCCH) at at least one of the ancillary terrestrial components.
9. A satellite radiotelephone communications method according to Claim 6:
wherein the modifying comprises increasing attenuation of the radiation pattern of the predetermined satellite cell as the at least one of the ancillary terrestrial components is approached.
wherein the modifying comprises increasing attenuation of the radiation pattern of the predetermined satellite cell as the at least one of the ancillary terrestrial components is approached.
10. A satellite radiotelephone communications method according to Claim 1 wherein the terrestrially reusing comprises terrestrially reusing at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell and separated therefrom by a spatial guardband.
11. A satellite radiotelephone communications method according to Claim 1:
wherein the modifying comprises calculating new antenna feed network weights for the radiation pattern of the predetermined satellite cell.
wherein the modifying comprises calculating new antenna feed network weights for the radiation pattern of the predetermined satellite cell.
12. A satellite radiotelephone communications method according to Claim 1 further comprising:
reducing interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequencies to cancel at least some of the interference.
reducing interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequencies to cancel at least some of the interference.
13. A satellite radiotelephone system comprising:
a space-based component that is configured to provide wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused;
an ancillary terrestrial network comprising a plurality of ancillary terrestrial components that are configured to terrestrially reuse at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell;
a monitor that is configured to monitor interference in at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies, by the at least one of the satellite radiotelephone frequencies that is used in the predetermined satellite cell;
and a controller that is configured to modify a radiation pattern by the space-based component of the at least one of the satellite radiotelephone frequencies in at least the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused by the at least one of the ancillary terrestrial components.
a space-based component that is configured to provide wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused;
an ancillary terrestrial network comprising a plurality of ancillary terrestrial components that are configured to terrestrially reuse at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell;
a monitor that is configured to monitor interference in at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies, by the at least one of the satellite radiotelephone frequencies that is used in the predetermined satellite cell;
and a controller that is configured to modify a radiation pattern by the space-based component of the at least one of the satellite radiotelephone frequencies in at least the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused by the at least one of the ancillary terrestrial components.
14. A satellite radiotelephone system according to Claim 13:
wherein the monitor is further configured to identify the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
wherein the monitor is further configured to identify the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
15. A satellite radiotelephone system according to Claim 13:
wherein the monitor is further configured to monitor signal levels and/or content of at least one Broadcast Control CHannel (BCCH) at at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
wherein the monitor is further configured to monitor signal levels and/or content of at least one Broadcast Control CHannel (BCCH) at at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
16. A satellite radiotelephone system according to Claim 13:
wherein the controller is configured to increase attenuation of the radiation pattern by the space-based component as a boundary of the predetermined satellite cell is approached.
wherein the controller is configured to increase attenuation of the radiation pattern by the space-based component as a boundary of the predetermined satellite cell is approached.
17. A satellite radiotelephone system according to Claim 13 wherein the controller is configured to repeatedly modify the radiation pattern by the space-based component.
18. A satellite radiotelephone system according to Claim 13 wherein the ancillary terrestrial network is configured to terrestrially reuse at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell and separated therefrom by a spatial guardband.
19. A satellite radiotelephone system according to Claim 13:
wherein the controller is further configured to calculate new antenna feed network weights for the space-based component for the predetermined satellite cell.
wherein the controller is further configured to calculate new antenna feed network weights for the space-based component for the predetermined satellite cell.
20. A satellite radiotelephone system according to Claim 13 further comprising:
an interference reducer that is configured to reduce interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequency to cancel at least some of the interference.
an interference reducer that is configured to reduce interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequency to cancel at least some of the interference.
21. A system for reducing interference in a satellite radiotelephone system comprising a space-based component that is configured to provide wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused, and an ancillary terrestrial network comprising a plurality of ancillary terrestrial components that are configured to terrestrially reuse at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell, the interference reducing system comprising:
a monitor that that is configured to monitor interference in at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies, by the at least one of the satellite radiotelephone frequencies that is used in the predetermined satellite cell;
and a controller that is configured to modify a radiation pattern by the space-based component of the at least one of the satellite radiotelephone frequencies in at least the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused by the at least one of the ancillary terrestrial components.
a monitor that that is configured to monitor interference in at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies, by the at least one of the satellite radiotelephone frequencies that is used in the predetermined satellite cell;
and a controller that is configured to modify a radiation pattern by the space-based component of the at least one of the satellite radiotelephone frequencies in at least the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused by the at least one of the ancillary terrestrial components.
22. A system according to Claim 21:
wherein the monitor is further configured to identify the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
wherein the monitor is further configured to identify the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
23. A system according to Claim 21:
wherein the monitor is further configured to monitor signal levels and/or content of at least one Broadcast Control CHannel (BCCH) at at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
wherein the monitor is further configured to monitor signal levels and/or content of at least one Broadcast Control CHannel (BCCH) at at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
24. A system according to Claim 21:
wherein the controller is configured to increase attenuation of the radiation pattern by the space-based component as a boundary of the predetermined satellite cell is approached.
wherein the controller is configured to increase attenuation of the radiation pattern by the space-based component as a boundary of the predetermined satellite cell is approached.
25. A system according to Claim 21 wherein the controller is configured to repeatedly modify the radiation pattern by the space-based component.
26. A system according to Claim 21 wherein the ancillary terrestrial network is configured to terrestrially reuse at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell and separated therefrom by a spatial guardband.
27. A system according to Claim 21:
wherein the controller is further configured to calculate new antenna feed network weights for the space-based component for the predetermined satellite cell.
wherein the controller is further configured to calculate new antenna feed network weights for the space-based component for the predetermined satellite cell.
28. A system according to Claim 21 further comprising:
an interference reducer that is configured to reduce interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequency to cancel at least some of the interference.
an interference reducer that is configured to reduce interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequency to cancel at least some of the interference.
29. A system for reducing interference in a satellite radiotelephone system comprising a space-based component that is configured to provide wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused, and an ancillary terrestrial network comprising a plurality of ancillary terrestrial components that are configured to terrestrially reuse at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell, the interference reducing system comprising:
means for monitoring interference in at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies, by the at least one of the satellite radiotelephone frequencies that is used in the predetermined satellite cell; and means for modifying a radiation pattern by the space-based component of the at least one of the satellite radiotelephone frequencies in at least the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused by the at least one of the ancillary terrestrial components.
means for monitoring interference in at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies, by the at least one of the satellite radiotelephone frequencies that is used in the predetermined satellite cell; and means for modifying a radiation pattern by the space-based component of the at least one of the satellite radiotelephone frequencies in at least the predetermined satellite cell to reduce interference at the at least one of the ancillary terrestrial components, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused by the at least one of the ancillary terrestrial components.
30. A system according to Claim 29:
wherein the means for monitoring comprises means for identifying the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
wherein the means for monitoring comprises means for identifying the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
31. A system according to Claim 29:
wherein the means for monitoring further comprises means for monitoring signal levels and/or content of at least one satellite Broadcast Control CHannel (BCCH) at the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
wherein the means for monitoring further comprises means for monitoring signal levels and/or content of at least one satellite Broadcast Control CHannel (BCCH) at the at least one of the ancillary terrestrial components that is configured to terrestrially reuse the at least one of the satellite radiotelephone frequencies.
32. A system according to Claim 29:
wherein the means for modifying comprises means for increasing attenuation of the radiation pattern by the space-based component as a boundary of the predetermined satellite cell is approached.
wherein the means for modifying comprises means for increasing attenuation of the radiation pattern by the space-based component as a boundary of the predetermined satellite cell is approached.
33. A system according to Claim 29 wherein the means for modifying comprises means for repeatedly modifying the radiation pattern by the space-based component.
34. A system according to Claim 29 wherein the ancillary terrestrial network is configured to terrestrially reuse at least one of the satellite radiotelephone frequencies that is assigned to a predetermined satellite cell in the satellite footprint, outside the predetermined satellite cell and separated therefrom by a spatial guardband.
35. A system according to Claim 29:
wherein the means for modifying comprises means for calculating new antenna feed network weights for the space-based component for the predetermined satellite cell.
wherein the means for modifying comprises means for calculating new antenna feed network weights for the space-based component for the predetermined satellite cell.
36. A system according to Claim 29 further comprising:
an interference reducer that is configured to reduce interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequency to cancel at least some of the interference.
an interference reducer that is configured to reduce interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequency to cancel at least some of the interference.
37. A satellite radiotelephone communications method comprising:
providing space-based wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused; and modifying a radiation pattern of a predetermined satellite cell to reduce interference with at least one of the satellite radiotelephone frequencies that is terrestrially reused outside the predetermined satellite cell.
providing space-based wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band, the satellite footprint being divided into a plurality of satellite cells in which satellite radiotelephone frequencies of the satellite radiotelephone frequency band are spatially reused; and modifying a radiation pattern of a predetermined satellite cell to reduce interference with at least one of the satellite radiotelephone frequencies that is terrestrially reused outside the predetermined satellite cell.
38. A satellite radiotelephone communications method according to Claim 37 wherein the modifying comprises:
obtaining at least one location outside the predetermined satellite cell where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference; and modifying the radiation pattern of the predetermined satellite cell to reduce interference at the at least one location outside the predetermined satellite cell, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused at the at least one location outside the predetermined satellite cell.
obtaining at least one location outside the predetermined satellite cell where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference; and modifying the radiation pattern of the predetermined satellite cell to reduce interference at the at least one location outside the predetermined satellite cell, with the at least one of the satellite radiotelephone frequencies that is terrestrially reused at the at least one location outside the predetermined satellite cell.
39. A satellite radiotelephone communications method according to Claim 37:
wherein the obtaining at least one location comprises monitoring signal levels and/or content of at least one Broadcast Control CHannel (BCCH) at at least one location outside the predetermined satellite cell to determine where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference.
wherein the obtaining at least one location comprises monitoring signal levels and/or content of at least one Broadcast Control CHannel (BCCH) at at least one location outside the predetermined satellite cell to determine where the at least one of the satellite radiotelephone frequencies that is terrestrially reused is subject to and/or can produce interference.
40. A satellite radiotelephone communications method according to Claim 37:
wherein the modifying comprises increasing attenuation of the radiation pattern of the predetermined satellite cell as a boundary of the predetermined satellite cell is approached.
wherein the modifying comprises increasing attenuation of the radiation pattern of the predetermined satellite cell as a boundary of the predetermined satellite cell is approached.
41. A satellite radiotelephone communications method according to Claim 37 wherein the modifying is performed repeatedly.
42. A satellite radiotelephone communications method according to Claim 37:
wherein the modifying comprises calculating new antenna feed network weights for the radiation pattern of the predetermined satellite cell.
wherein the modifying comprises calculating new antenna feed network weights for the radiation pattern of the predetermined satellite cell.
43. A satellite radiotelephone communications method according to Claim 37 further comprising:
reducing interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequencies to cancel at least some of the interference.
reducing interference by the terrestrially reused at least one of the satellite radiotelephone frequencies with the space-based wireless radiotelephone communications, using the terrestrially reused at least one of the satellite radiotelephone frequencies to cancel at least some of the interference.
44. A satellite radiotelephone communications method comprising:
modifying a radiation pattern for space-based communications of a satellite cell in response to terrestrial reuse of at least one frequency that is used by the space-based communications of the satellite cell, outside the satellite cell.
modifying a radiation pattern for space-based communications of a satellite cell in response to terrestrial reuse of at least one frequency that is used by the space-based communications of the satellite cell, outside the satellite cell.
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32224001P | 2001-09-14 | 2001-09-14 | |
US60/322,240 | 2001-09-14 | ||
US34717302P | 2002-01-09 | 2002-01-09 | |
US60/347,173 | 2002-01-09 | ||
US10/074,097 US6684057B2 (en) | 2001-09-14 | 2002-02-12 | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum |
US10/074,097 | 2002-02-12 | ||
US10/180,281 US6999720B2 (en) | 2001-09-14 | 2002-06-26 | Spatial guardbands for terrestrial reuse of satellite frequencies |
US10/180,281 | 2002-06-26 | ||
US39277202P | 2002-07-01 | 2002-07-01 | |
US60/392,772 | 2002-07-01 | ||
PCT/US2002/026947 WO2003026143A2 (en) | 2001-09-14 | 2002-08-23 | Modifying satellite antenna cell patterns in response to terrestrial reuse of satellite frequencies |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2460495A1 true CA2460495A1 (en) | 2003-03-27 |
CA2460495C CA2460495C (en) | 2012-11-06 |
Family
ID=27535996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2460495A Expired - Lifetime CA2460495C (en) | 2001-09-14 | 2002-08-23 | Methods and systems for modifying satellite antenna cell patterns in response to terrestrial reuse of satellite frequencies |
Country Status (9)
Country | Link |
---|---|
US (3) | US7062267B2 (en) |
EP (2) | EP2211487A3 (en) |
AT (1) | ATE484113T1 (en) |
AU (1) | AU2002329831B2 (en) |
CA (1) | CA2460495C (en) |
DE (1) | DE60237907D1 (en) |
ES (1) | ES2351785T3 (en) |
MX (1) | MXPA04002462A (en) |
WO (1) | WO2003026143A2 (en) |
Families Citing this family (114)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030149986A1 (en) * | 1999-08-10 | 2003-08-07 | Mayfield William W. | Security system for defeating satellite television piracy |
US7174127B2 (en) * | 1999-08-10 | 2007-02-06 | Atc Technologies, Llc | Data communications systems and methods using different wireless links for inbound and outbound data |
US8265637B2 (en) * | 2000-08-02 | 2012-09-11 | Atc Technologies, Llc | Systems and methods for modifying antenna radiation patterns of peripheral base stations of a terrestrial network to allow reduced interference |
US7149526B2 (en) * | 2000-08-02 | 2006-12-12 | Atc Technologies, Llc | Coordinated satellite-terrestrial frequency reuse |
US7558568B2 (en) * | 2003-07-28 | 2009-07-07 | Atc Technologies, Llc | Systems and methods for modifying antenna radiation patterns of peripheral base stations of a terrestrial network to allow reduced interference |
US6859652B2 (en) * | 2000-08-02 | 2005-02-22 | Mobile Satellite Ventures, Lp | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US7792488B2 (en) * | 2000-12-04 | 2010-09-07 | Atc Technologies, Llc | Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength |
US7218931B2 (en) * | 2001-09-14 | 2007-05-15 | Atc Technologies, Llc | Satellite radiotelephone systems providing staggered sectorization for terrestrial reuse of satellite frequencies and related methods and radiotelephone systems |
US7792069B2 (en) | 2001-09-14 | 2010-09-07 | Atc Technologies, Llc | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum using different channel separation technologies in forward and reverse links |
US7155340B2 (en) * | 2001-09-14 | 2006-12-26 | Atc Technologies, Llc | Network-assisted global positioning systems, methods and terminals including doppler shift and code phase estimates |
US7593724B2 (en) * | 2001-09-14 | 2009-09-22 | Atc Technologies, Llc | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode |
US7181161B2 (en) * | 2001-09-14 | 2007-02-20 | Atc Technologies, Llc | Multi-band/multi-mode satellite radiotelephone communications systems and methods |
US6999720B2 (en) * | 2001-09-14 | 2006-02-14 | Atc Technologies, Llc | Spatial guardbands for terrestrial reuse of satellite frequencies |
US7603117B2 (en) | 2001-09-14 | 2009-10-13 | Atc Technologies, Llc | Systems and methods for terrestrial use of cellular satellite frequency spectrum |
US7603081B2 (en) * | 2001-09-14 | 2009-10-13 | Atc Technologies, Llc | Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications |
US7623859B2 (en) * | 2001-09-14 | 2009-11-24 | Atc Technologies, Llc | Additional aggregate radiated power control for multi-band/multi-mode satellite radiotelephone communications systems and methods |
US7006789B2 (en) * | 2001-09-14 | 2006-02-28 | Atc Technologies, Llc | Space-based network architectures for satellite radiotelephone systems |
US7447501B2 (en) * | 2001-09-14 | 2008-11-04 | Atc Technologies, Llc | Systems and methods for monitoring selected terrestrially used satellite frequency signals to reduce potential interference |
US7664460B2 (en) | 2001-09-14 | 2010-02-16 | Atc Technologies, Llc | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex and/or frequency-division duplex mode |
US7113778B2 (en) * | 2001-09-14 | 2006-09-26 | Atc Technologies, Llc | Aggregate radiated power control for multi-band/multi-mode satellite radiotelephone communications systems and methods |
US6785543B2 (en) | 2001-09-14 | 2004-08-31 | Mobile Satellite Ventures, Lp | Filters for combined radiotelephone/GPS terminals |
US7062267B2 (en) * | 2001-09-14 | 2006-06-13 | Atc Technologies, Llc | Methods and systems for modifying satellite antenna cell patterns in response to terrestrial reuse of satellite frequencies |
US7890098B2 (en) * | 2001-09-14 | 2011-02-15 | Atc Technologies, Llc | Staggered sectorization for terrestrial reuse of satellite frequencies |
US8270898B2 (en) * | 2001-09-14 | 2012-09-18 | Atc Technologies, Llc | Satellite-band spectrum utilization for reduced or minimum interference |
US7342876B2 (en) * | 2001-12-20 | 2008-03-11 | Sri International | Interference mitigation and adaptive routing in wireless ad-hoc packet-switched networks |
US7593691B2 (en) * | 2002-02-12 | 2009-09-22 | Atc Technologies, Llc | Systems and methods for controlling a level of interference to a wireless receiver responsive to a power level associated with a wireless transmitter |
US6856787B2 (en) | 2002-02-12 | 2005-02-15 | Mobile Satellite Ventures, Lp | Wireless communications systems and methods using satellite-linked remote terminal interface subsystems |
US6937857B2 (en) | 2002-05-28 | 2005-08-30 | Mobile Satellite Ventures, Lp | Systems and methods for reducing satellite feeder link bandwidth/carriers in cellular satellite systems |
US7092708B2 (en) * | 2002-12-12 | 2006-08-15 | Atc Technologies, Llc | Systems and methods for increasing capacity and/or quality of service of terrestrial cellular and satellite systems using terrestrial reception of satellite band frequencies |
US7421342B2 (en) * | 2003-01-09 | 2008-09-02 | Atc Technologies, Llc | Network-assisted global positioning systems, methods and terminals including doppler shift and code phase estimates |
US20040137840A1 (en) * | 2003-01-15 | 2004-07-15 | La Chapelle Michael De | Bi-directional transponder apparatus and method of operation |
US7203490B2 (en) | 2003-03-24 | 2007-04-10 | Atc Technologies, Llc | Satellite assisted push-to-send radioterminal systems and methods |
US7444170B2 (en) * | 2003-03-24 | 2008-10-28 | Atc Technologies, Llc | Co-channel wireless communication methods and systems using nonsymmetrical alphabets |
US6879829B2 (en) * | 2003-05-16 | 2005-04-12 | Mobile Satellite Ventures, Lp | Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminal to reduce potential interference |
US20040240525A1 (en) * | 2003-05-29 | 2004-12-02 | Karabinis Peter D. | Wireless communications methods and apparatus using licensed-use system protocols with unlicensed-use access points |
US7340213B2 (en) * | 2003-07-30 | 2008-03-04 | Atc Technologies, Llc | Intra- and/or inter-system interference reducing systems and methods for satellite communications systems |
US8670705B2 (en) * | 2003-07-30 | 2014-03-11 | Atc Technologies, Llc | Additional intra-and/or inter-system interference reducing systems and methods for satellite communications systems |
US7805243B2 (en) | 2003-08-05 | 2010-09-28 | Northrop Grumman Corporation | Personal digital assistant having satellite communications capacity |
US7813876B2 (en) | 2003-08-05 | 2010-10-12 | Northrop Grumman Corporation | Dismount tablet computer assembly for wireless communication applications |
US20050041619A1 (en) * | 2003-08-22 | 2005-02-24 | Karabinis Peter D. | Wireless systems, methods and devices employing forward- and/or return-link carriers having different numbers of sub-band carriers |
US7113743B2 (en) | 2003-09-11 | 2006-09-26 | Atc Technologies, Llc | Systems and methods for inter-system sharing of satellite communications frequencies within a common footprint |
KR101049422B1 (en) | 2003-09-23 | 2011-07-15 | 에이티씨 테크놀로지즈, 엘엘씨. | System and method for mobility management in overlay satellite and terrestrial communication system |
KR100605821B1 (en) * | 2003-10-23 | 2006-07-31 | 삼성전자주식회사 | Apparatus and method for controlling broadcasting channel using the location information of the mobile station |
US8380186B2 (en) * | 2004-01-22 | 2013-02-19 | Atc Technologies, Llc | Satellite with different size service link antennas and radioterminal communication methods using same |
US7418236B2 (en) * | 2004-04-20 | 2008-08-26 | Mobile Satellite Ventures, Lp | Extraterrestrial communications systems and methods including ancillary extraterrestrial components |
US8655398B2 (en) * | 2004-03-08 | 2014-02-18 | Atc Technologies, Llc | Communications systems and methods including emission detection |
US7933552B2 (en) * | 2004-03-22 | 2011-04-26 | Atc Technologies, Llc | Multi-band satellite and/or ancillary terrestrial component radioterminal communications systems and methods with combining operation |
US7606590B2 (en) | 2004-04-07 | 2009-10-20 | Atc Technologies, Llc | Satellite/hands-free interlock systems and/or companion devices for radioterminals and related methods |
US7636566B2 (en) * | 2004-04-12 | 2009-12-22 | Atc Technologies, Llc | Systems and method with different utilization of satellite frequency bands by a space-based network and an ancillary terrestrial network |
US20050239399A1 (en) * | 2004-04-21 | 2005-10-27 | Karabinis Peter D | Mobile terminals and set top boxes including multiple satellite band service links, and related systems and methods |
US8265549B2 (en) * | 2004-05-18 | 2012-09-11 | Atc Technologies, Llc | Satellite communications systems and methods using radiotelephone |
US20050260984A1 (en) * | 2004-05-21 | 2005-11-24 | Mobile Satellite Ventures, Lp | Systems and methods for space-based use of terrestrial cellular frequency spectrum |
WO2006012348A2 (en) * | 2004-06-25 | 2006-02-02 | Atc Technologies, Llc | Method and system for frequency translation on-board a communications satellite |
BRPI0514246A (en) * | 2004-08-11 | 2008-06-03 | Atc Tech Llc | method of operating a first and / or second communication system, radiotherapy, communications system, and method for operating a radiotherapy |
US7639981B2 (en) * | 2004-11-02 | 2009-12-29 | Atc Technologies, Llc | Apparatus and methods for power control in satellite communications systems with satellite-linked terrestrial stations |
US20060094420A1 (en) * | 2004-11-02 | 2006-05-04 | Karabinis Peter D | Multi frequency band/multi air interface/multi spectrum reuse cluster size/multi cell size satellite radioterminal communicaitons systems and methods |
AU2005307841B2 (en) | 2004-11-16 | 2010-03-25 | Atc Technologies, Llc | Satellite communications systems, components and methods for operating shared satellite gateways |
US7747229B2 (en) * | 2004-11-19 | 2010-06-29 | Atc Technologies, Llc | Electronic antenna beam steering using ancillary receivers and related methods |
US7454175B2 (en) * | 2004-12-07 | 2008-11-18 | Atc Technologies, Llc | Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments |
US8594704B2 (en) * | 2004-12-16 | 2013-11-26 | Atc Technologies, Llc | Location-based broadcast messaging for radioterminal users |
EP1844558B1 (en) | 2005-01-05 | 2018-02-14 | ATC Technologies, LLC | Adaptive beam forming with multi-user detection and interference reduction in satellite communication systems and methods |
US7596111B2 (en) * | 2005-01-27 | 2009-09-29 | Atc Technologies, Llc | Satellite/terrestrial wireless communications systems and methods using disparate channel separation codes |
US7738837B2 (en) * | 2005-02-22 | 2010-06-15 | Atc Technologies, Llc | Satellites using inter-satellite links to create indirect feeder link paths |
EP1851877A2 (en) * | 2005-02-22 | 2007-11-07 | ATC Technologies, LLC | Reusing frequencies of a fixed and/or mobile communications system |
US7636546B2 (en) * | 2005-02-22 | 2009-12-22 | Atc Technologies, Llc | Satellite communications systems and methods using diverse polarizations |
US7756490B2 (en) * | 2005-03-08 | 2010-07-13 | Atc Technologies, Llc | Methods, radioterminals, and ancillary terrestrial components for communicating using spectrum allocated to another satellite operator |
US7587171B2 (en) * | 2005-03-09 | 2009-09-08 | Atc Technologies, Llc | Reducing interference in a wireless communications signal in the frequency domain |
US7796986B2 (en) * | 2005-03-11 | 2010-09-14 | Atc Technologies, Llc | Modification of transmission values to compensate for interference in a satellite down-link communications |
US7627285B2 (en) * | 2005-03-14 | 2009-12-01 | Atc Technologies, Llc | Satellite communications systems and methods with distributed and/or centralized architecture including ground-based beam forming |
WO2006099501A1 (en) * | 2005-03-15 | 2006-09-21 | Atc Technologies, Llc | Methods and systems providing adaptive feeder links for ground based beam forming and related systems and satellites |
US7634229B2 (en) * | 2005-03-15 | 2009-12-15 | Atc Technologies, Llc | Intra-system and/or inter-system reuse of feeder link frequencies including interference suppression systems and methods |
US7453396B2 (en) * | 2005-04-04 | 2008-11-18 | Atc Technologies, Llc | Radioterminals and associated operating methods that alternate transmission of wireless communications and processing of global positioning system signals |
US7817967B2 (en) * | 2005-06-21 | 2010-10-19 | Atc Technologies, Llc | Communications systems including adaptive antenna systems and methods for inter-system and intra-system interference reduction |
US7970345B2 (en) | 2005-06-22 | 2011-06-28 | Atc Technologies, Llc | Systems and methods of waveform and/or information splitting for wireless transmission of information to one or more radioterminals over a plurality of transmission paths and/or system elements |
US7907944B2 (en) * | 2005-07-05 | 2011-03-15 | Atc Technologies, Llc | Methods, apparatus and computer program products for joint decoding of access probes in a CDMA communications system |
US8190114B2 (en) | 2005-07-20 | 2012-05-29 | Atc Technologies, Llc | Frequency-dependent filtering for wireless communications transmitters |
US7623867B2 (en) * | 2005-07-29 | 2009-11-24 | Atc Technologies, Llc | Satellite communications apparatus and methods using asymmetrical forward and return link frequency reuse |
US7461756B2 (en) * | 2005-08-08 | 2008-12-09 | Plastipak Packaging, Inc. | Plastic container having a freestanding, self-supporting base |
ATE466417T1 (en) * | 2005-08-09 | 2010-05-15 | Atc Tech Llc | SATELLITE COMMUNICATION SYSTEMS AND METHODS USING SUBSTANTIALLY ADJACENT RADIO CONNECTION ANTENNAS |
WO2007047370A2 (en) * | 2005-10-12 | 2007-04-26 | Atc Technologies, Llc | Systems, methods and computer program products for mobility management in hybrid satellite/terrestrial wireless communications systems |
US7979024B2 (en) * | 2006-01-20 | 2011-07-12 | Atc Technologies, Llc | Systems and methods for satellite forward link transmit diversity using orthagonal space coding |
US8705436B2 (en) * | 2006-02-15 | 2014-04-22 | Atc Technologies, Llc | Adaptive spotbeam broadcasting, systems, methods and devices for high bandwidth content distribution over satellite |
WO2007100774A1 (en) | 2006-02-28 | 2007-09-07 | Atc Technologies, Llc | Systems, methods and transceivers for wireless communications over discontiguous spectrum segments |
US8923850B2 (en) * | 2006-04-13 | 2014-12-30 | Atc Technologies, Llc | Systems and methods for controlling base station sectors to reduce potential interference with low elevation satellites |
US7751823B2 (en) * | 2006-04-13 | 2010-07-06 | Atc Technologies, Llc | Systems and methods for controlling a level of interference to a wireless receiver responsive to an activity factor associated with a wireless transmitter |
US9014619B2 (en) | 2006-05-30 | 2015-04-21 | Atc Technologies, Llc | Methods and systems for satellite communications employing ground-based beam forming with spatially distributed hybrid matrix amplifiers |
US8169955B2 (en) | 2006-06-19 | 2012-05-01 | Atc Technologies, Llc | Systems and methods for orthogonal frequency division multiple access (OFDMA) communications over satellite links |
US8526941B2 (en) * | 2006-06-29 | 2013-09-03 | Atc Technologies, Llc | Apparatus and methods for mobility management in hybrid terrestrial-satellite mobile communications systems |
US20090295628A1 (en) * | 2006-09-26 | 2009-12-03 | Viasat, Inc. | Satellite System Optimization |
US8538323B2 (en) | 2006-09-26 | 2013-09-17 | Viasat, Inc. | Satellite architecture |
EP2111697B1 (en) * | 2006-09-26 | 2016-09-21 | ViaSat, Inc. | Improved spot beam satellite systems |
US8107875B2 (en) | 2006-09-26 | 2012-01-31 | Viasat, Inc. | Placement of gateways near service beams |
US20090298423A1 (en) * | 2006-10-03 | 2009-12-03 | Viasat, Inc. | Piggy-Back Satellite Payload |
US8031646B2 (en) * | 2007-05-15 | 2011-10-04 | Atc Technologies, Llc | Systems, methods and devices for reusing spectrum of another operator |
US20080311022A1 (en) * | 2007-06-14 | 2008-12-18 | Battelle Energy Alliance, Llc | Methods and apparatuses for ammonia production |
US8064824B2 (en) * | 2007-07-03 | 2011-11-22 | Atc Technologies, Llc | Systems and methods for reducing power robbing impact of interference to a satellite |
KR100943762B1 (en) | 2007-12-04 | 2010-02-23 | 한국전자통신연구원 | Method for communication in a mobile communication system |
GB0725051D0 (en) * | 2007-12-21 | 2008-01-30 | Fujitsu Lab Of Europ Ltd | Communications system |
US7978135B2 (en) * | 2008-02-15 | 2011-07-12 | Atc Technologies, Llc | Antenna beam forming systems/methods using unconstrained phase response |
US8433241B2 (en) | 2008-08-06 | 2013-04-30 | Atc Technologies, Llc | Systems, methods and devices for overlaid operations of satellite and terrestrial wireless communications systems |
US8193975B2 (en) | 2008-11-12 | 2012-06-05 | Atc Technologies | Iterative antenna beam forming systems/methods |
US7969923B2 (en) | 2008-11-14 | 2011-06-28 | Dbsd Satellite Services G.P. | Asymmetric TDD in flexible use spectrum |
US8339308B2 (en) * | 2009-03-16 | 2012-12-25 | Atc Technologies Llc | Antenna beam forming systems, methods and devices using phase adjusted least squares beam forming |
US8520561B2 (en) | 2009-06-09 | 2013-08-27 | Atc Technologies, Llc | Systems, methods and network components that provide different satellite spot beam return carrier groupings and reuse patterns |
EP2484027B1 (en) | 2009-09-28 | 2017-03-29 | ATC Technologies, LLC | Systems and methods for adaptive interference cancellation beamforming |
US10110288B2 (en) * | 2009-11-04 | 2018-10-23 | Atc Technologies, Llc | Frequency division duplex (FDD) return link transmit diversity systems, methods and devices using forward link side information |
KR101269551B1 (en) * | 2009-12-16 | 2013-06-04 | 한국전자통신연구원 | Mobile Satellite Service System and Method for Establishing Communication Link thereof |
US8274925B2 (en) | 2010-01-05 | 2012-09-25 | Atc Technologies, Llc | Retaining traffic channel assignments for satellite terminals to provide lower latency communication services |
GB2496431B (en) * | 2011-11-11 | 2014-11-05 | Vodafone Ip Licensing Ltd | Coexisting wireless systems |
US9401759B2 (en) * | 2014-10-09 | 2016-07-26 | Hughes Network Systems, Llc | Multibeam coverage for a high altitude platform |
US9628168B2 (en) | 2015-02-26 | 2017-04-18 | Space Systems/Loral, Llc | Dynamic link adaption and/or dynamic allocation of communication resources of a communication system based on external interference information received from external interference information sources |
EP3590204B1 (en) | 2017-03-02 | 2020-10-14 | ViaSat, Inc. | Dynamic satellite beam assignment |
US10474976B2 (en) | 2017-10-20 | 2019-11-12 | HawkEye 360, Inc. | Hierarchical satellite task scheduling system |
CN112505412B (en) * | 2020-10-30 | 2023-03-31 | 北京空间飞行器总体设计部 | Method for processing satellite signal out-of-band redundant radiation spectrum density test data |
Family Cites Families (148)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257048A (en) * | 1974-09-28 | 1981-03-17 | Kokusai Denshin Denwa Kabushiki Kaisha | Antenna system to reduce fading caused by multipath transmission |
US4425639A (en) * | 1981-01-12 | 1984-01-10 | Bell Telephone Laboratories, Incorporated | Satellite communications system with frequency channelized beams |
US5303286A (en) | 1991-03-29 | 1994-04-12 | Space Systems/Loral, Inc. | Wireless telephone/satellite roaming system |
US4675863A (en) * | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
US4901307A (en) | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
US5327572A (en) * | 1990-03-06 | 1994-07-05 | Motorola, Inc. | Networked satellite and terrestrial cellular radiotelephone systems |
US5073900A (en) * | 1990-03-19 | 1991-12-17 | Mallinckrodt Albert J | Integrated cellular communications system |
US5835857A (en) * | 1990-03-19 | 1998-11-10 | Celsat America, Inc. | Position determination for reducing unauthorized use of a communication system |
US5878329A (en) * | 1990-03-19 | 1999-03-02 | Celsat America, Inc. | Power control of an integrated cellular communications system |
US5446756A (en) * | 1990-03-19 | 1995-08-29 | Celsat America, Inc. | Integrated cellular communications system |
US5526404A (en) | 1991-10-10 | 1996-06-11 | Space Systems/Loral, Inc. | Worldwide satellite telephone system and a network coordinating gateway for allocating satellite and terrestrial gateway resources |
US6067442A (en) | 1991-10-10 | 2000-05-23 | Globalstar L.P. | Satellite communications system having distributed user assignment and resource assignment with terrestrial gateways |
CA2105710A1 (en) | 1992-11-12 | 1994-05-13 | Raymond Joseph Leopold | Network of hierarchical communication systems and method therefor |
US5619503A (en) | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
US6157811A (en) | 1994-01-11 | 2000-12-05 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
US5511233A (en) * | 1994-04-05 | 1996-04-23 | Celsat America, Inc. | System and method for mobile communications in coexistence with established communications systems |
JPH09510596A (en) | 1994-06-08 | 1997-10-21 | エイチイー・ホールディングス・インコーポレーテッド・ディー ビーエー・ヒューズ・エレクトロニクス | Apparatus and method for hybrid network access |
US5584046A (en) * | 1994-11-04 | 1996-12-10 | Cornell Research Foundation, Inc. | Method and apparatus for spectrum sharing between satellite and terrestrial communication services using temporal and spatial synchronization |
FR2729025B1 (en) | 1995-01-02 | 1997-03-21 | Europ Agence Spatiale | METHOD AND SYSTEM FOR TRANSMITTING RADIO SIGNALS VIA A SATELLITE NETWORK BETWEEN A FIXED EARTH STATION AND MOBILE USER TERMINALS |
US5619525A (en) | 1995-06-06 | 1997-04-08 | Globalstar L.P. | Closed loop power control for low earth orbit satellite communications system |
US6240124B1 (en) | 1995-06-06 | 2001-05-29 | Globalstar L.P. | Closed loop power control for low earth orbit satellite communications system |
AU700251B2 (en) | 1995-06-06 | 1998-12-24 | Globalstar L.P. | Satellite repeater diversity resource management system |
EP0755163B1 (en) | 1995-07-20 | 2004-01-02 | Ntt Mobile Communications Network Inc. | Mobile communication system using efficient service area expansion scheme |
EP0762669B1 (en) | 1995-08-18 | 2011-06-15 | Ntt Mobile Communications Network Inc. | Communication mode switching method for mobile station |
US5991345A (en) | 1995-09-22 | 1999-11-23 | Qualcomm Incorporated | Method and apparatus for diversity enhancement using pseudo-multipath signals |
US5930708A (en) | 1996-03-21 | 1999-07-27 | Trw Inc. | Communications satellite router-formatter |
US6449461B1 (en) * | 1996-07-15 | 2002-09-10 | Celsat America, Inc. | System for mobile communications in coexistence with communication systems having priority |
US5926758A (en) | 1996-08-26 | 1999-07-20 | Leo One Ip, L.L.C. | Radio frequency sharing methods for satellite systems |
US6072768A (en) | 1996-09-04 | 2000-06-06 | Globalstar L.P. | Automatic satellite/terrestrial mobile terminal roaming system and method |
GB2317303B (en) | 1996-09-09 | 1998-08-26 | I Co Global Communications | Communications apparatus and method |
GB2317074B (en) | 1996-09-09 | 1998-10-28 | I Co Global Communications | Communications apparatus and method |
US5761605A (en) * | 1996-10-11 | 1998-06-02 | Northpoint Technology, Ltd. | Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals |
US5896558A (en) | 1996-12-19 | 1999-04-20 | Globalstar L.P. | Interactive fixed and mobile satellite network |
US6091933A (en) | 1997-01-03 | 2000-07-18 | Globalstar L.P. | Multiple satellite system power allocation by communication link optimization |
JPH10261987A (en) | 1997-03-19 | 1998-09-29 | Fujitsu Ltd | Two-layer constitution satellite communication system and its geostationary satellite |
US5937332A (en) * | 1997-03-21 | 1999-08-10 | Ericsson, Inc. | Satellite telecommunications repeaters and retransmission methods |
JP3162409B2 (en) * | 1997-03-31 | 2001-04-25 | 三菱電機株式会社 | Frequency sharing mobile communication system with diversity receiver including shared wave canceller |
EP0869628A1 (en) | 1997-04-01 | 1998-10-07 | ICO Services Ltd. | Interworking between telecommunications networks |
GB2324218A (en) | 1997-04-09 | 1998-10-14 | Ico Services Ltd | Satellite acquisition in navigation system |
US5884142A (en) | 1997-04-15 | 1999-03-16 | Globalstar L.P. | Low earth orbit distributed gateway communication system |
US6032041A (en) | 1997-06-02 | 2000-02-29 | Hughes Electronics Corporation | Method and system for providing wideband communications to mobile users in a satellite-based network |
US6134437A (en) | 1997-06-13 | 2000-10-17 | Ericsson Inc. | Dual-mode satellite/cellular phone architecture with physically separable mode |
US6011951A (en) | 1997-08-22 | 2000-01-04 | Teledesic Llc | Technique for sharing radio frequency spectrum in multiple satellite communication systems |
US6085094A (en) * | 1997-08-29 | 2000-07-04 | Nortel Networks Corporation | Method for optimizing spectral re-use |
US6052586A (en) | 1997-08-29 | 2000-04-18 | Ericsson Inc. | Fixed and mobile satellite radiotelephone systems and methods with capacity sharing |
US5907541A (en) | 1997-09-17 | 1999-05-25 | Lockheed Martin Corp. | Architecture for an integrated mobile and fixed telecommunications system including a spacecraft |
US6101385A (en) | 1997-10-09 | 2000-08-08 | Globalstar L.P. | Satellite communication service with non-congruent sub-beam coverage |
US6052560A (en) | 1997-10-15 | 2000-04-18 | Ericsson Inc | Satellite system utilizing a plurality of air interface standards and method employing same |
US6157834A (en) | 1997-12-29 | 2000-12-05 | Motorola, Inc. | Terrestrial and satellite cellular network interoperability |
US6418147B1 (en) | 1998-01-21 | 2002-07-09 | Globalstar Lp | Multiple vocoder mobile satellite telephone system |
US6148176A (en) * | 1998-03-11 | 2000-11-14 | Ericsson Inc. | Methods and systems for acquiring service within a satellite communications system |
US6735437B2 (en) * | 1998-06-26 | 2004-05-11 | Hughes Electronics Corporation | Communication system employing reuse of satellite spectrum for terrestrial communication |
JP4109722B2 (en) * | 1998-08-31 | 2008-07-02 | 三菱電機株式会社 | Antenna mirror surface measurement and adjustment device |
US6775251B1 (en) | 1998-09-17 | 2004-08-10 | Globalstar L.P. | Satellite communication system providing multi-gateway diversity and improved satellite loading |
US6198730B1 (en) | 1998-10-13 | 2001-03-06 | Motorola, Inc. | Systems and method for use in a dual mode satellite communications system |
US6198921B1 (en) | 1998-11-16 | 2001-03-06 | Emil Youssefzadeh | Method and system for providing rural subscriber telephony service using an integrated satellite/cell system |
EP1059826A4 (en) | 1998-12-07 | 2005-08-03 | Mitsubishi Electric Corp | Mobile communication device and mobile communication system |
US6253080B1 (en) | 1999-07-08 | 2001-06-26 | Globalstar L.P. | Low earth orbit distributed gateway communication system |
US6522865B1 (en) * | 1999-08-10 | 2003-02-18 | David D. Otten | Hybrid satellite communications system |
US20030149986A1 (en) * | 1999-08-10 | 2003-08-07 | Mayfield William W. | Security system for defeating satellite television piracy |
US7174127B2 (en) | 1999-08-10 | 2007-02-06 | Atc Technologies, Llc | Data communications systems and methods using different wireless links for inbound and outbound data |
US6397857B2 (en) * | 1999-12-29 | 2002-06-04 | Lynn L. Neary | Hair accessary |
KR20020067933A (en) | 2000-01-19 | 2002-08-24 | 에릭슨 인크. | Diversity system method in a satellite telecommunication network |
GB2365677A (en) | 2000-02-29 | 2002-02-20 | Ico Services Ltd | Satellite communications with satellite routing according to channels assignment |
EP1193989A4 (en) | 2000-05-01 | 2002-10-17 | Mitsubishi Electric Corp | Connection-control method for mobile communication system |
US20040203393A1 (en) | 2002-03-13 | 2004-10-14 | Xiang Chen | System and method for offsetting channel spectrum to reduce interference between two communication networks |
US6823170B1 (en) * | 2000-07-26 | 2004-11-23 | Ericsson Inc. | Satellite communications system using multiple earth stations |
US7558568B2 (en) | 2003-07-28 | 2009-07-07 | Atc Technologies, Llc | Systems and methods for modifying antenna radiation patterns of peripheral base stations of a terrestrial network to allow reduced interference |
US6859652B2 (en) | 2000-08-02 | 2005-02-22 | Mobile Satellite Ventures, Lp | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US7149526B2 (en) | 2000-08-02 | 2006-12-12 | Atc Technologies, Llc | Coordinated satellite-terrestrial frequency reuse |
US6628919B1 (en) * | 2000-08-09 | 2003-09-30 | Hughes Electronics Corporation | Low-cost multi-mission broadband communications payload |
US6419147B1 (en) * | 2000-08-23 | 2002-07-16 | David L. Daniel | Method and apparatus for a combined mechanical and metallurgical connection |
US20030003815A1 (en) | 2000-12-20 | 2003-01-02 | Yoshiko Yamada | Communication satellite/land circuits selection communications system |
US6628057B2 (en) * | 2000-12-22 | 2003-09-30 | Thomson Licensing S. A. | Slightly conducting insulators for cathode-ray tube (CRT) applications |
US6950625B2 (en) | 2001-02-12 | 2005-09-27 | Ico Services Limited | Communications apparatus and method |
US20020137457A1 (en) * | 2001-03-23 | 2002-09-26 | Nivens Dennis A. | Satellite communication system uplink power control |
US6714760B2 (en) | 2001-05-10 | 2004-03-30 | Qualcomm Incorporated | Multi-mode satellite and terrestrial communication device |
US7890098B2 (en) | 2001-09-14 | 2011-02-15 | Atc Technologies, Llc | Staggered sectorization for terrestrial reuse of satellite frequencies |
US7447501B2 (en) * | 2001-09-14 | 2008-11-04 | Atc Technologies, Llc | Systems and methods for monitoring selected terrestrially used satellite frequency signals to reduce potential interference |
US7113778B2 (en) | 2001-09-14 | 2006-09-26 | Atc Technologies, Llc | Aggregate radiated power control for multi-band/multi-mode satellite radiotelephone communications systems and methods |
US7623859B2 (en) | 2001-09-14 | 2009-11-24 | Atc Technologies, Llc | Additional aggregate radiated power control for multi-band/multi-mode satellite radiotelephone communications systems and methods |
US7039400B2 (en) * | 2001-09-14 | 2006-05-02 | Atc Technologies, Llc | Systems and methods for monitoring terrestrially reused satellite frequencies to reduce potential interference |
US7031702B2 (en) * | 2001-09-14 | 2006-04-18 | Atc Technologies, Llc | Additional systems and methods for monitoring terrestrially reused satellite frequencies to reduce potential interference |
US7603117B2 (en) | 2001-09-14 | 2009-10-13 | Atc Technologies, Llc | Systems and methods for terrestrial use of cellular satellite frequency spectrum |
US6785543B2 (en) | 2001-09-14 | 2004-08-31 | Mobile Satellite Ventures, Lp | Filters for combined radiotelephone/GPS terminals |
US6999720B2 (en) | 2001-09-14 | 2006-02-14 | Atc Technologies, Llc | Spatial guardbands for terrestrial reuse of satellite frequencies |
US7155340B2 (en) | 2001-09-14 | 2006-12-26 | Atc Technologies, Llc | Network-assisted global positioning systems, methods and terminals including doppler shift and code phase estimates |
US6684057B2 (en) * | 2001-09-14 | 2004-01-27 | Mobile Satellite Ventures, Lp | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum |
US7062267B2 (en) | 2001-09-14 | 2006-06-13 | Atc Technologies, Llc | Methods and systems for modifying satellite antenna cell patterns in response to terrestrial reuse of satellite frequencies |
US7664460B2 (en) | 2001-09-14 | 2010-02-16 | Atc Technologies, Llc | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex and/or frequency-division duplex mode |
US7006789B2 (en) | 2001-09-14 | 2006-02-28 | Atc Technologies, Llc | Space-based network architectures for satellite radiotelephone systems |
US7593724B2 (en) | 2001-09-14 | 2009-09-22 | Atc Technologies, Llc | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode |
US7603081B2 (en) | 2001-09-14 | 2009-10-13 | Atc Technologies, Llc | Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications |
US7181161B2 (en) | 2001-09-14 | 2007-02-20 | Atc Technologies, Llc | Multi-band/multi-mode satellite radiotelephone communications systems and methods |
US7218931B2 (en) | 2001-09-14 | 2007-05-15 | Atc Technologies, Llc | Satellite radiotelephone systems providing staggered sectorization for terrestrial reuse of satellite frequencies and related methods and radiotelephone systems |
US6856787B2 (en) | 2002-02-12 | 2005-02-15 | Mobile Satellite Ventures, Lp | Wireless communications systems and methods using satellite-linked remote terminal interface subsystems |
US7593691B2 (en) | 2002-02-12 | 2009-09-22 | Atc Technologies, Llc | Systems and methods for controlling a level of interference to a wireless receiver responsive to a power level associated with a wireless transmitter |
US6937857B2 (en) | 2002-05-28 | 2005-08-30 | Mobile Satellite Ventures, Lp | Systems and methods for reducing satellite feeder link bandwidth/carriers in cellular satellite systems |
US8121605B2 (en) | 2002-06-27 | 2012-02-21 | Globalstar, Inc. | Resource allocation to terrestrial and satellite services |
US7068975B2 (en) | 2002-11-26 | 2006-06-27 | The Directv Group, Inc. | Systems and methods for sharing uplink bandwidth among satellites in a common orbital slot |
US7092708B2 (en) | 2002-12-12 | 2006-08-15 | Atc Technologies, Llc | Systems and methods for increasing capacity and/or quality of service of terrestrial cellular and satellite systems using terrestrial reception of satellite band frequencies |
US6975837B1 (en) | 2003-01-21 | 2005-12-13 | The Directv Group, Inc. | Method and apparatus for reducing interference between terrestrially-based and space-based broadcast systems |
US7203490B2 (en) | 2003-03-24 | 2007-04-10 | Atc Technologies, Llc | Satellite assisted push-to-send radioterminal systems and methods |
US7444170B2 (en) | 2003-03-24 | 2008-10-28 | Atc Technologies, Llc | Co-channel wireless communication methods and systems using nonsymmetrical alphabets |
US6879829B2 (en) | 2003-05-16 | 2005-04-12 | Mobile Satellite Ventures, Lp | Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminal to reduce potential interference |
US20040240525A1 (en) | 2003-05-29 | 2004-12-02 | Karabinis Peter D. | Wireless communications methods and apparatus using licensed-use system protocols with unlicensed-use access points |
US7340213B2 (en) | 2003-07-30 | 2008-03-04 | Atc Technologies, Llc | Intra- and/or inter-system interference reducing systems and methods for satellite communications systems |
US8670705B2 (en) | 2003-07-30 | 2014-03-11 | Atc Technologies, Llc | Additional intra-and/or inter-system interference reducing systems and methods for satellite communications systems |
US20050041619A1 (en) | 2003-08-22 | 2005-02-24 | Karabinis Peter D. | Wireless systems, methods and devices employing forward- and/or return-link carriers having different numbers of sub-band carriers |
US7113743B2 (en) | 2003-09-11 | 2006-09-26 | Atc Technologies, Llc | Systems and methods for inter-system sharing of satellite communications frequencies within a common footprint |
KR101049422B1 (en) | 2003-09-23 | 2011-07-15 | 에이티씨 테크놀로지즈, 엘엘씨. | System and method for mobility management in overlay satellite and terrestrial communication system |
US8380186B2 (en) | 2004-01-22 | 2013-02-19 | Atc Technologies, Llc | Satellite with different size service link antennas and radioterminal communication methods using same |
US7418236B2 (en) | 2004-04-20 | 2008-08-26 | Mobile Satellite Ventures, Lp | Extraterrestrial communications systems and methods including ancillary extraterrestrial components |
US7453920B2 (en) * | 2004-03-09 | 2008-11-18 | Atc Technologies, Llc | Code synchronization in CDMA satellite wireless communications system using uplink channel detection |
US7933552B2 (en) | 2004-03-22 | 2011-04-26 | Atc Technologies, Llc | Multi-band satellite and/or ancillary terrestrial component radioterminal communications systems and methods with combining operation |
US7606590B2 (en) * | 2004-04-07 | 2009-10-20 | Atc Technologies, Llc | Satellite/hands-free interlock systems and/or companion devices for radioterminals and related methods |
US7636566B2 (en) * | 2004-04-12 | 2009-12-22 | Atc Technologies, Llc | Systems and method with different utilization of satellite frequency bands by a space-based network and an ancillary terrestrial network |
US20050239399A1 (en) * | 2004-04-21 | 2005-10-27 | Karabinis Peter D | Mobile terminals and set top boxes including multiple satellite band service links, and related systems and methods |
US8265549B2 (en) | 2004-05-18 | 2012-09-11 | Atc Technologies, Llc | Satellite communications systems and methods using radiotelephone |
US20050260984A1 (en) | 2004-05-21 | 2005-11-24 | Mobile Satellite Ventures, Lp | Systems and methods for space-based use of terrestrial cellular frequency spectrum |
WO2006012348A2 (en) | 2004-06-25 | 2006-02-02 | Atc Technologies, Llc | Method and system for frequency translation on-board a communications satellite |
BRPI0514246A (en) | 2004-08-11 | 2008-06-03 | Atc Tech Llc | method of operating a first and / or second communication system, radiotherapy, communications system, and method for operating a radiotherapy |
US20060094420A1 (en) | 2004-11-02 | 2006-05-04 | Karabinis Peter D | Multi frequency band/multi air interface/multi spectrum reuse cluster size/multi cell size satellite radioterminal communicaitons systems and methods |
US7639981B2 (en) | 2004-11-02 | 2009-12-29 | Atc Technologies, Llc | Apparatus and methods for power control in satellite communications systems with satellite-linked terrestrial stations |
AU2005307841B2 (en) | 2004-11-16 | 2010-03-25 | Atc Technologies, Llc | Satellite communications systems, components and methods for operating shared satellite gateways |
US7747229B2 (en) | 2004-11-19 | 2010-06-29 | Atc Technologies, Llc | Electronic antenna beam steering using ancillary receivers and related methods |
US7454175B2 (en) | 2004-12-07 | 2008-11-18 | Atc Technologies, Llc | Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments |
US8594704B2 (en) | 2004-12-16 | 2013-11-26 | Atc Technologies, Llc | Location-based broadcast messaging for radioterminal users |
EP1844558B1 (en) | 2005-01-05 | 2018-02-14 | ATC Technologies, LLC | Adaptive beam forming with multi-user detection and interference reduction in satellite communication systems and methods |
US7596111B2 (en) | 2005-01-27 | 2009-09-29 | Atc Technologies, Llc | Satellite/terrestrial wireless communications systems and methods using disparate channel separation codes |
US7738837B2 (en) | 2005-02-22 | 2010-06-15 | Atc Technologies, Llc | Satellites using inter-satellite links to create indirect feeder link paths |
US7636546B2 (en) | 2005-02-22 | 2009-12-22 | Atc Technologies, Llc | Satellite communications systems and methods using diverse polarizations |
EP1851877A2 (en) | 2005-02-22 | 2007-11-07 | ATC Technologies, LLC | Reusing frequencies of a fixed and/or mobile communications system |
US7756490B2 (en) | 2005-03-08 | 2010-07-13 | Atc Technologies, Llc | Methods, radioterminals, and ancillary terrestrial components for communicating using spectrum allocated to another satellite operator |
US7587171B2 (en) | 2005-03-09 | 2009-09-08 | Atc Technologies, Llc | Reducing interference in a wireless communications signal in the frequency domain |
US7796986B2 (en) | 2005-03-11 | 2010-09-14 | Atc Technologies, Llc | Modification of transmission values to compensate for interference in a satellite down-link communications |
US7627285B2 (en) | 2005-03-14 | 2009-12-01 | Atc Technologies, Llc | Satellite communications systems and methods with distributed and/or centralized architecture including ground-based beam forming |
WO2006099501A1 (en) | 2005-03-15 | 2006-09-21 | Atc Technologies, Llc | Methods and systems providing adaptive feeder links for ground based beam forming and related systems and satellites |
US7634229B2 (en) | 2005-03-15 | 2009-12-15 | Atc Technologies, Llc | Intra-system and/or inter-system reuse of feeder link frequencies including interference suppression systems and methods |
US7453396B2 (en) | 2005-04-04 | 2008-11-18 | Atc Technologies, Llc | Radioterminals and associated operating methods that alternate transmission of wireless communications and processing of global positioning system signals |
US7817967B2 (en) | 2005-06-21 | 2010-10-19 | Atc Technologies, Llc | Communications systems including adaptive antenna systems and methods for inter-system and intra-system interference reduction |
US7970345B2 (en) | 2005-06-22 | 2011-06-28 | Atc Technologies, Llc | Systems and methods of waveform and/or information splitting for wireless transmission of information to one or more radioterminals over a plurality of transmission paths and/or system elements |
US7907944B2 (en) | 2005-07-05 | 2011-03-15 | Atc Technologies, Llc | Methods, apparatus and computer program products for joint decoding of access probes in a CDMA communications system |
US8190114B2 (en) | 2005-07-20 | 2012-05-29 | Atc Technologies, Llc | Frequency-dependent filtering for wireless communications transmitters |
US7623867B2 (en) | 2005-07-29 | 2009-11-24 | Atc Technologies, Llc | Satellite communications apparatus and methods using asymmetrical forward and return link frequency reuse |
ATE466417T1 (en) | 2005-08-09 | 2010-05-15 | Atc Tech Llc | SATELLITE COMMUNICATION SYSTEMS AND METHODS USING SUBSTANTIALLY ADJACENT RADIO CONNECTION ANTENNAS |
US8705436B2 (en) | 2006-02-15 | 2014-04-22 | Atc Technologies, Llc | Adaptive spotbeam broadcasting, systems, methods and devices for high bandwidth content distribution over satellite |
WO2007100774A1 (en) | 2006-02-28 | 2007-09-07 | Atc Technologies, Llc | Systems, methods and transceivers for wireless communications over discontiguous spectrum segments |
-
2002
- 2002-08-22 US US10/225,615 patent/US7062267B2/en not_active Expired - Lifetime
- 2002-08-23 EP EP10003100A patent/EP2211487A3/en not_active Withdrawn
- 2002-08-23 ES ES02766084T patent/ES2351785T3/en not_active Expired - Lifetime
- 2002-08-23 WO PCT/US2002/026947 patent/WO2003026143A2/en not_active Application Discontinuation
- 2002-08-23 MX MXPA04002462A patent/MXPA04002462A/en active IP Right Grant
- 2002-08-23 AU AU2002329831A patent/AU2002329831B2/en not_active Expired
- 2002-08-23 DE DE60237907T patent/DE60237907D1/en not_active Expired - Lifetime
- 2002-08-23 EP EP02766084A patent/EP1433340B1/en not_active Expired - Lifetime
- 2002-08-23 AT AT02766084T patent/ATE484113T1/en not_active IP Right Cessation
- 2002-08-23 CA CA2460495A patent/CA2460495C/en not_active Expired - Lifetime
-
2006
- 2006-02-16 US US11/356,418 patent/US7295807B2/en not_active Expired - Lifetime
-
2007
- 2007-10-03 US US11/866,656 patent/US7801520B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2003026143A2 (en) | 2003-03-27 |
EP1433340A4 (en) | 2008-10-08 |
MXPA04002462A (en) | 2005-04-08 |
DE60237907D1 (en) | 2010-11-18 |
US20060135060A1 (en) | 2006-06-22 |
AU2002329831B2 (en) | 2007-01-18 |
ES2351785T3 (en) | 2011-02-10 |
EP1433340A2 (en) | 2004-06-30 |
EP2211487A2 (en) | 2010-07-28 |
US7062267B2 (en) | 2006-06-13 |
WO2003026143A3 (en) | 2003-10-09 |
EP2211487A3 (en) | 2010-11-10 |
US20030054815A1 (en) | 2003-03-20 |
EP1433340B1 (en) | 2010-10-06 |
US20080032690A1 (en) | 2008-02-07 |
ATE484113T1 (en) | 2010-10-15 |
US7295807B2 (en) | 2007-11-13 |
CA2460495C (en) | 2012-11-06 |
US7801520B2 (en) | 2010-09-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2460495A1 (en) | Methods and systems for modifying satellite antenna cell patterns in response to terrestrial reuse of satellite frequencies | |
CA2460325A1 (en) | Systems and methods for monitoring terrestrially reused satellite frequencies to reduce potential interference | |
CA2460323A1 (en) | Spatial guardbands for terrestrial reuse of satellite frequencies | |
DE60236808D1 (en) | ADDITIONAL SYSTEMS AND METHOD FOR MONITORING TERRESTRICALLY REUSED SATELLITE FREQUENCIES TO REDUCE POTENTIAL INTERFERENCE | |
US7634234B2 (en) | Prediction of uplink interference potential generated by an ancillary terrestrial network and/or radioterminals | |
CA2243338A1 (en) | Interference reduction in shared-frequency wireless communication systems | |
CA2249582C (en) | Method and apparatus for reducing co-channel interference | |
MXPA05012324A (en) | Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminal to reduce potential interference. | |
CA2412918A1 (en) | Cellular communications network having airborne transceivers | |
CA2489387A1 (en) | Staggered sectorization for terrestrial reuse of satellite frequencies | |
WO2005018131A3 (en) | Systems and methods for modifying antenna radiation patterns of peripheral base stations of a terrestrial network to allow reduced interference | |
WO2007120409A2 (en) | Systems and methods for controlling a level of interference to a wireless receiver responsive to an activity factor associated with a wireless transmitter | |
PL1741307T3 (en) | Attribution dynamique de ressources radio | |
AU2001279690A1 (en) | Cellular radio network reusing frequencies | |
GB0216291D0 (en) | Improvements in or relating to cellular communications systems | |
KR19990036104A (en) | Method and apparatus for reducing common channel interference in cellular WCD-CDMA wireless system | |
CA2586590C (en) | Prediction of uplink interference potential generated by an ancillary terrestrial network and/or radioterminals | |
JP2007526675A (en) | Satellite monitoring | |
KR20080028717A (en) | Method for power control which considers hand-over in land mobile satellite communication system containing ancillary terrestrial components | |
WO1995034957A3 (en) | Adaptive frequency allocation for broadcast control channels | |
WO2000067394A3 (en) | System and method for efficient usage of broadcast power while minimizing co-channel cell site interference | |
WO2003041302A1 (en) | Information rate control method, mobile station, radio control apparatus, base station, and mobile communication system | |
KR20010050670A (en) | Method and apparatus for power based dynamic channel allocation for receiver dynamic range mitigation | |
Kronestedt et al. | Frequency planning strategies for frequency hopping GSM | |
WO2011001607A1 (en) | Interference management method between cognitive pilot channel base stations using power control |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20220823 |
|
MKEX | Expiry |
Effective date: 20220823 |