Patent ID: 8861452
Filing Date: 2014-10-14
Classification: H04W

Abstract:
1. A method operable by a mobile entity in a cognitive wireless communication system having one or more network nodes enabled for both licensed channel communication and unlicensed white space channel communication, comprising: receiving at the mobile entity, on a licensed channel, broadcasted channel usage information regarding at least one unlicensed white space channel within an unlicensed frequency spectrum used by the one or more network nodes, the one or more network nodes configured to use white space channel frequencies on one or both the uplink (UL) or downlink (DL); performing a cell search procedure based at least in part on the channel usage information of the unlicensed white space channel to select a given network node among the one or more network nodes and determining a preferred downlink (DL) channel; and transmitting an access request to the given network node to be used in establishing wireless communication with the given network node, the access request including at least a white space capability declaration.