Patent ID: 6167282
Filing Date: 2000-12-26
Classification: H04W

Abstract:
In a wireless trunked radio communication system comprising a plurality of subscriber units in wireless communication with a plurality of sites, wherein a current site of the plurality of sites provides inbound transmission feedback to a subscriber unit of the plurality of subscriber units, a method for the subscriber unit to update at least one site ranking factor corresponding to the current site, the method comprising steps of:receiving, from the current site, an inbound transmission feedback message comprising information regarding at least one inbound transmission made by the subscriber unit; andupdating, responsive to the inbound transmission feedback message, the at least one site ranking factor corresponding to the current site;calculating a site ranking corresponding to the current site based at least in part upon the at least one site ranking factor corresponding to the current site; andselecting an other site of the plurality of sites when a site ranking corresponding to the other site compares favorably with the site ranking corresponding to the current site.