Journal ArticleDOI
Ka-band, multibeam, contiguous coverage satellite antenna for the USA
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TLDR
In this article, the behavior of a multibeam antenna is determined by three major characteristics: beam topology, realizable radiation characteristics, and realizable beamforming network architecture.Abstract:
The behavior of a multibeam antenna is determined by three major characteristics: beam topology, realizable radiation characteristics, and realizable beamforming network architecture. Eight canonical topology plans have been developed and analyzed: angular separation between identical frequency cells, angular separation between orthogonally polarized identical frequency cells, number and configuration of cells forming coverage areas, and crossover level between nonidentical frequency band cells. A general topology plan is developed for the continental United States for 100-deg W synchronous satellite longitude.read more
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Proceedings ArticleDOI
Recent Advances in Multibeam Antennas
TL;DR: An overall survey of the multibeam spacecraft antenna technology is given on the basis of recent theoretical and experimental work at GE's Space Systems Division in this article, where a 3.53 m diameter, offset fed paraboloid illuminated by a 16 reconfigurable feed in the 5.925-6.725 GHz frequency band is presented.
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