Patent ID: 7099289

Claim:
A method of controlling selection of parameters for automatic retransmission in a point-to-multipoint wireless communication link having an upstream portion for communicating data from a plurality of customer premises equipment (CPE) to a base station controller (BSC) and a downstream portion for communicating data from the base station controller to the plurality of customer premises equipment, the method comprising the steps of: selecting physical and media access control (MAC) parameters for automatic retransmission, the physical and MAC parameters for the downstream portion being selected independently for each customer premises equipment of the plurality of customer premises equipment and physical and MAC parameters for the upstream portion being selected independently for said each customer premises equipment; including the physical and MAC parameters in a control section of a frame, the control section for sending control information downstream; and allocating a first part of the upstream portion as shared and some part of the upstream portion as unshared when there are messages received but not yet acknowledged.