Patent ID: 6119005
Filing Date: 2000-09-12
Classification: H04B,H04W

Abstract:
In a cellular communication system, apparatus for updating a neighbor list that contains data indicative of a predetermined number of communication channels that can be used to handoff an existing cellular communication connection for a mobile subscriber unit, comprising:means, responsive to pilot signal strength data received from mobile subscriber units for at least one of a plurality of pilot channels, for automatically updating at least one metric associated with said at least one of a plurality of pilot channels, comprising:means, responsive to a mobile subscriber unit identifying a one of said plurality of pilot channels having a signal strength that exceeds a predetermined threshold, for generating data indicative of a number of instances that said one of said plurality of pilot channels has a signal strength that exceeds a predetermined threshold,means, responsive to a mobile subscriber unit identifying a one of said plurality of pilot channels having a signal strength that exceeds a predetermined threshold, for generating data indicative of power level of said number of instances that said one of said plurality of pilot channels has a signal strength that exceeds a predetermined threshold,means for generating a pilot channel metric for said one of said plurality of pilot channels using said data indicative of a number of instances and said data indicative of power level of said number of instances;means for rank ordering said plurality of pilot channels as a function of said metrics; andmeans for selecting at least one of said plurality of pilot channels for said neighbor list.