Patent ID: 7146166
Filing Date: 2006-12-05
Classification: H04B,H04L,H04W,Y02B,Y02D

Abstract:
1. A program product for selecting an operating channel by a wireless device, the program product comprising a computer readable medium having embodied therein a computer program for storing data, the computer program comprising: logic operable to scan each of a plurality of radio frequency channels during a scan interval for indication of utilization of ones of the channels; logic operable to receive messages on the plurality of radio frequency channels during the scan interval; logic operable to maintain a channel map having an entry for each of the plurality of radio frequency channels, and if one or more messages was received on a channel, the corresponding entry further including a device ID for at least one of the devices that sent a message on the channel; logic operable to select a channel from the channel map based at least in-part on whether an indication of utilization of the selected channel was detected; logic operable to transmit messages on the selected channel during a claim interval, at least one message indicative of an intent to utilize the selected channel; logic operable to monitor the selected channel during the claim interval for a message from another device indicative of an intent to utilize the selected channel; and logic operable to ascertain whether the wireless device should commence communications with other devices on the selected channel based upon characteristics of any messages received on the channel.