Patent ID: 8665896
Filing Date: 2014-03-04
Classification: H04W,Y02D

Abstract:
1. A method for adaptively snooping channels of a frequency band, comprising: selecting an anchor channel to be scanned from a rank order list of channels; periodically scanning, by a wireless device, at a predefined snoop time interval, the anchor channel for duration of a dwell time set for the anchor channel; periodically scanning, by the wireless device, all channels preceding the anchor channel in the rank order list, wherein each preceding channel is being scanned for a different predefined duration; checking if a message is received on the anchor channel or any of the preceding channels; selecting a channel ranked immediately after the anchor channel in the rank order list to be a new anchor channel when a message is not received for a duration of a sum of dwell times set for the channels being scanned; and determining the channel on which a message is received to be the new anchor channel.