Patent ID: 8891414

Claim:
A method for communication in a wireless system at a base station using one or more clusters of subcarriers, the method comprising: receiving feedback information of at least one cluster of the one or more clusters of the subcarriers used in the wireless system based on a measured channel performance being measured from a subscriber station, the measured channel performance being of at least two subcarriers of the subcarriers, the subcarriers being organized in a plurality of groups, each group of the plurality of groups having a plurality of clusters, and each cluster of the plurality of clusters having a plurality of the subcarriers, the at least one cluster being of the plurality of clusters in a group of the plurality of groups, the feedback information being received on less than all groups of the plurality of groups in the wireless system, and the feedback information including a group index for identifying the group of the plurality of groups; and transmitting an allocation of the one or more clusters of the subcarriers to be used for data transmission.