Independent satellite-based communications systems sharing...

Details Independent satellite-based communications systems sharing... Independent satellite-based communications systems sharing...

H - Electricity

04

B

H04B 7/185 (2006.01) B64G 1/10 (2006.01) B64G 1/24 (2006.01) H04B 7/195 (2006.01) B64G 1/66 (2006.01)

Patent

CA 2178897

Multiple, different, independent constellations (10, 20) of satellites (2, 21-23) share a portion of a common frequency spectrum such as a single carrier frequency. The satellites' antennas (11) may be either multi-beam or omni-directional, while those of earth stations (13, 14) are directional. When interference occurs between communications of a satellite (31) of a first constellation (10) and a satellite (41) of a second constellation (20), any of several interference-mitigation options may be employed, such as the first satellite (31) handing off communications to a second satellite (32) of the same constellation (10), or temporarily suspending communications. The remedial action may occur in response to either predicted or detected interference.

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