H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 48/16 (2009.01)
Patent
CA 2567897
In one illustrative scanning and decoding method, a signal strength level of an RF signal on an RF channel is measured for a plurality of RF channels of an RF band. The act of measuring a signal strength level is repeated at least one time to obtain at least one other signal strength level of the RF signal. Subsequently, an averaging function is completed with use of the signal strength level and the at least one other signal strength level for identifying an averaged signal strength level of the RF signal. At least one optimal RF signal is then identified based on the averaged signal strength levels of the RF signals on the RF channels. In between the repeated acts of measuring signal strength levels of the RF signals, and prior to identifying the averaged signal strength levels, control information is decoded on at least one of the RF channels and stored in memory. A wireless communication network is selected for communication with use of the control information stored in the memory which corresponds to one of the at least one optimal RF signal. In this manner, the mobile station expeditiously obtains the control information for network selection or other purposes prior to completing the averaging of the signal strength levels.
Borden Ladner Gervais Llp
Research In Motion Limited
LandOfFree
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