Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Patent
1996-04-19
1998-09-08
Olms, Douglas W.
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
H04J 316
Patent
active
058055762
ABSTRACT:
TDMA communication system having forward channel communications and corresponding reverse channel communications between mobile users and a zone manager in an arbitrarily large broadcaster zone established by a broadcaster. The users are located within the broadcaster zone and the collectors are distributed in proximity to the broadcaster zone. The zone manager operates to control the selection of users to form user groups and for selecting collectors to form collector groups such that the difference between the propagation times from broadcaster to user to collector among users active with the same collector does not exceed a synchronization error such that user reverse channel signals at the collector are isolated from each other. Users are selected such that each of the users in the user group are located at a distance from each of said other users in the user group not greater than a distance UR.sub.max. Collectors are selected such that each of the collectors in a collector group is located at a distance from each of the other collectors in the collector group not greater than a distance C.sub.max where CR.sub.max is a value such that user reverse channel signals at the collectors are isolated.
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Coates Karen Evelyn
Howard David Amundson
Vastano John Andrew
Worley, III William Spencer
Cellular Telecom, Ltd.
Lovejoy David E.
Olms Douglas W.
Patel Ajit
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