Patent ID: 6788937
Filing Date: 2004-09-07
Classification: H04W

Abstract:
In a communication system, a method of accessing a base station from a mobile station, comprising:selecting a first signature sequence from a plurality of signature sequences used by multiple mobile stations; transmitting a request portion of an access probe over a reverse link common control channel subject to contention, said access probe modulated with said signature sequence; receiving a channel assignment message from said base station designating a reserved access channel, said reserved access channel providing communication with a low probability of contention and said channel assignment message reflecting said first signature; transmitting a message portion of said access probe over said reserved access channel, wherein said transmitting said message portion facilitates reception of said message portion by a plurality of base stations; receiving a power control command over a forward link channel associated with said reserved access channel; and responding to said power control command by increasing or decreasing a power level at which said mobile station transmits said message portion.