Wireless Network Scanning Strategies

摘要

A device may use positioning information to increase the efficiency a wireless local area network (WLAN) scanning process. To determine the presence of WLANs within range, a device may determine its own location. For example, the device may determine its own location using a satellite-based navigation system. The device may then determine a wireless scanning strategy based on the determined location. The determination may be further based on connection parameters, such as, channel information, network capabilities, and/or other connection parameters.

主权项

1. A device comprising:
a wireless communication interface comprising an antenna, the wireless communication interface configured to:
tune a receiver connected to the antenna to a channel and receive a frame transmitted from an access point of a wireless local area network (WLAN); andresponsive to the frame, initiate a first communication link with the WLAN; and scan circuitry configured to:
determine proximity information for the WLAN;responsive to the proximity information, determine a timing offset for the WLAN;reference the timing offset against a global clock to perform a prediction of a transmission time for the frame from the access point of the WLAN; andresponsive to the prediction, cause the wireless communication interface to tune the receiver to the channel during the transmission time.