Patent ID: 8873470
Filing Date: 2014-10-28
Classification: H04L,H04W

Abstract:
1. A method of wireless communication in a wireless communication network comprising a base station and a plurality of wireless stations, the method comprising: determining in the base station a backup channel from a plurality of restricted channels, the backup channel selected independently from current operational channels, wherein the base station and the plurality of wireless stations operate using dynamic spectrum access over one or more restricted channels of the plurality of restricted channels, wherein the restricted channels are licensed for use by incumbent devices, and wherein the base station and the plurality of wireless stations are not incumbent devices; specifying identification information about the backup channel in the media access control (MAC) layer via a channel number or a bitmap; and notifying the plurality of wireless stations (STAs) in the wireless communication network of the backup channel by regularly transmitting the identification information from the base station about the backup channel.