Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1994-11-28
1996-05-21
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
342352, 455 121, H04B 7185
Patent
active
055194044
ABSTRACT:
The invention concerns a method of allocating a respective free radio beam channel to calling and called stations of a satellite telecommunication network. If there is no free channel on a beam forming the coverage including one given station, the method of the invention looks for free channels in each beam adjacent said beam, and allocates one of the adjacent beam free channels to the given station as soon as in an optimal subset of beams comprising all beams using the same channel as the free channel each level of isolation equal to the ratio of an antenna gain of a main lobe of a respective one of the beams of the optimal subset to the sum of the maximal antenna gains of secondary lobes of the other beams is greater than a given threshold.
REFERENCES:
patent: 5268694 (1993-12-01), Jan et al.
patent: 5355138 (1994-10-01), Cances et al.
Cances Jean-Pierre
Coulomb Bernard
Lenormand Regis
Maral Gerard
France Telecom
Phan Dao L.
Tarcza Thomas H.
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