The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 1998
Filed:
Apr. 19, 1996
William Spencer Worley, III, Half Moon Bay, CA (US);
David Amundson Howard, Mountain View, CA (US);
Karen Evelyn Coates, San Jose, CA (US);
John Andrew Vastano, Palo Alto, CA (US);
Cellular Telecom, Ltd., Mountain View, CA (US);
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.