Patent ID: 8938272
Filing Date: 2015-01-20
Classification: H04W

Abstract:
1. A method of providing spectrum utilization feedback from a whitespace device, comprising: transmitting a database query for a set of available channels in a spectrum during a time period, wherein the database query is transmitted from the whitespace device to a regulatory authorized database system, wherein the database query comprises data that specifies a set of channels used by the whitespace device during a previous time period prior to the time period, and wherein the spectrum is allocated by a telecommunications regulatory body; and receiving, responsive to the database query, a response at the whitespace device from the regulatory authorized database system, wherein the response indicates the set of available channels in the spectrum identified by the regulatory authorized database system for the whitespace device during the time period, wherein the whitespace device is configured to opportunistically communicate in the spectrum over one or more of the available channels in the set, and wherein the available channels in the set are unassigned to licensees at a location of the whitespace device during the time period.