Patent ID: 7317920
Filing Date: 2008-01-08
Classification: H04W

Abstract:
1. For use in a wireless communication system comprising a plurality of base stations, each of which is capable of communicating with a plurality of mobile stations within abase station coverage area, an apparatus for setting up a call from a mobile station, wherein the apparatus comprises: a base station that sets up said call from said mobile station by receiving an origination message from said mobile station; wherein said base station sends null frames on a forward traffic channel to said mobile station to verify that said forward traffic channel is reliable instead of sending a base station acknowledgment order to said mobile station to verify that said forward traffic channel is reliable; and wherein said base station receives a traffic channel preamble from said mobile station on a reverse traffic channel to said base station to verify that said reverse traffic channel is reliable instead of receiving a mobile station acknowledgement order from said mobile station to verify that said reverse traffic channel is reliable.