Patent ID: 8917703
Filing Date: 2014-12-23
Classification: H04W

Abstract:
1. At a base station in a wireless communication network, a method of initiating communication with a mobile terminal, said method comprising: allocating a dedicated uplink resource for a predetermined period of time; transmitting a page to said mobile terminal, said page indicating said dedicated uplink resource; determining that said predetermined period of time has not expired; receiving a response to said page from said mobile terminal using said dedicated uplink resource; receiving a candidate pseudorandom noise code from the mobile terminal; upon receiving said candidate pseudorandom noise code and prior to transmitting an allocation message to the mobile terminal, allocating a resource to the mobile terminal; transmitting the allocation message to the mobile terminal, the allocation message indicating the allocated resource; receiving a media access control header transmitted using the allocated resource; and transmitting a renewed authentication key to the mobile terminal responsive to the received media access control header.