Patent ID: 8441972
Filing Date: 2013-05-14
Classification: H04B,H04W,Y02D

Abstract:
1. A method of discontinuous reception in a communication device, comprising: powering up the device; waking up functional units of the device to obtain system information and register with a network; entering the functional units of the device into an idle mode; starting a paging occasion; receiving network signals through a radio frequency (RF) unit; reporting search function results to a host processor of the device; configuring a discontinuous receiver (DRX) to detect paging indicator channel (PICH) signals while a modem is in the idle mode; notifying the host processor of a paging bit received on the PICH that indicates whether there is a message by the DRX; waking up the modem from the idle mode, when the paging bit received on the PICH indicates there is a message, to demodulate second common control channel (S-CCPCH) signals; and coupling a paging message from the modem to the host processor.