Patent ID: 7085579
Filing Date: 2006-08-01
Classification: H04W,Y02D

Abstract:
1. A mobile station for wireless communication with a base station, said mobile station having a control section comprising: a CPU, a memory, a bus, connecting said CPU, said memory to a transmission and reception processor; a PPP keep alive timer and a wireless channel state timer, wherein said point-to-point protocol (PPP) keep alive timer and said wireless channel state timer are set to operate in parallel; wherein when said mobile station requests preferential use of a wireless communication channel, said wireless communication channel having been assigned by said base station, said CPU periodically causes sending of a priority request to said base station via said transmission/reception processor; wherein said PPP keep alive timer begins counting from a time of one of a last signal transmission and a last signal reception; and wherein upon timeout of said PPP keep alive timer, said control section causes sending of said base station said priority request, and restarts said PPP keep alive timer.