Patent ID: 6128328
Filing Date: 2000-10-03
Classification: H04B,H04J,H04W

Abstract:
A communication system having a base station for communication with multiple remote units, the system comprising:a base station utilizing a plurality of sets of frequencies for selectively communicating with remote units in a predefined coverage area, said coverage area divided into N concentric regions which in turn are divided into M sectors to define M*N concentric sector areas, each concentric sector area being assigned one of said plurality of frequency sets such that for any given concentric sector area a different frequency set is assigned which is different than the frequency sets assigned to all other adjacent concentric sector areas;said base station including means for communicating data to a remote unit over the set of frequencies associated with the respective concentric sector area as the remote unit travels from one concentric sector area to another; andat least one remote unit having means for communicating with said base station over the set of frequencies associated with the respective concentric sector area as the remote unit travels from one concentric sector area to another.