Patent ID: 8081591
Filing Date: 2011-12-20
Classification: H04W,Y02D

Abstract:
1. A method for transmitting a Power-Down Registration message from an Access Terminal (AT) to an Access Network (AN) in a wireless communication system, comprising the steps of: a) initiating a Power-Down process of an AT; b) determining if a 1×HRPD (High Rate Packet Data) modem of the AT is in a Monitor State; c) suspending the Power-Down process, inactivating the 1×HRPD modem, and activating a 1×RTT (Radio Transmission Technology) modem of the AT when the 1×HRPD modem is in the Monitor State; and d) transmitting a Power-Down Registration message from the AT to the AN, wherein the 1×RTT modem transmits the Power-Down Registration message.