Patent ID: 9602971
Date: 2017-03-21
CPC Classifications: H04L,H04W

Claim:
1. An apparatus comprising: at least one processor; at least one memory including computer program code; the at least one memory and the computer program code configured, with the at least one processor, to cause the apparatus at least to: receive at least one geographic location information and device type information from a plurality of user devices using a communication frequency bandwidth; register the plurality of user devices to different groups according to at least one of location criteria based on the received geographic location information and device type criteria based on the received device type information; and send to at least one user device of the plurality of user devices a set of parameters that define a periodic time window that is specific to the group to which the at least one user device is registered; in which the time window restricts times at which the at least one user device can access a data source of spectrum use information related to use of the communication frequency bandwidth, wherein the data source comprises a white space database comprising information on primary users that must not be interfered.