| 摘要 |
Methods and systems are provided for selective scanning for WLAN coverage by a multi-mode device. In one embodiment, a multi-mode device determines whether it is charging and whether it is authenticated via a WLAN. If the device is charging and so authenticated, it stores reference data in a WLAN profile corresponding with the WLAN via which the device is authenticated, where the reference data reflects a current environment of a WWAN. If the device is charging and is not so authenticated, it scans on a fixed interval for at least one WLAN. If the device is not charging and is not so authenticated, it iteratively: (a) calculates a scanning period based at least in part on comparing the current environment of the WWAN with reference data from at least one stored WLAN profile that includes WWAN reference data and (b) scans once every scanning period for at least one WLAN.
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