Patent ID: 7830853
Filing Date: 2010-11-09
Classification: H04W

Abstract:
1. A wireless device operable to perform reselection from a GSM network to a CDMA network, comprising: a determination unit operative to ascertain whether the GSM network on which the wireless device is operating supports a pre-Release 99 version of GSM standard; a memory unit operative to store information used to search for CDMA cells, wherein the memory unit is operative to store identifiers of CDMA networks, frequencies used by CDMA cells, and scrambling codes used by CDMA cells, or any combination thereof; a control unit operative to initiate a search for CDMA cells if the GSM network is deemed to support a pre-Release 99 version of the GSM standard, wherein the search for CDMA cells is performed in accordance with information obtained from the memory unit; wherein the control unit is further operative to ascertain a particular time to perform the search for CDMA cells: and wherein the particular time to perform the search for CDMA cells is determined based on a specified time period between successive background searches in a home public land mobile network (HPLMN).