Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1998-02-02
1999-11-02
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
342352, H04B 7185
Patent
active
059779071
ABSTRACT:
A method and system for antenna pattern synthesis based on geographical distribution of subscribers allows more efficient use of satellite power resources in order to provide communications services to terrestrial-based subscribers (FIG. 1, 105, 115, 125, and 135). The method entails the grouping of terrestrial-based subscribers into communication beams (FIG. 5, 530) where gain is maximized (550) at the centroid of each beam. Additionally, gain in the directions of interfering emitters is minimized (540). A processor (FIG. 7, 740), which can be resident within a satellite (200), can perform the necessary processing to synthesize communication beams which service the terrestrial-based subscribers (105, 115, 125, and 135).
REFERENCES:
patent: 5612701 (1997-03-01), Diekelman
patent: 5754139 (1998-05-01), Turcotte et al.
patent: 5856804 (1999-01-01), Turcotte et al.
Bogacz Frank J.
Motorola Inc.
Phan Dao L.
Tarcza Thomas H.
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