Fast initialization of downlink adaptation
Abstract:
In a method for downlink link adaptation in a network node in a communication system, the network node serving a cell and active user equipment within the cell, performing the steps of obtaining uplink path gain and downlink SINR for at least a subset of active user equipment in the cell, estimating an initial downlink SINR for new user equipment in the cell, based on an estimated uplink path gain together with a determined statistical measure for the obtained uplink path gain and downlink SINR for the at least a subset of active user equipment in the cell, and utilizing the estimated initial downlink SINR for downlink link adaptation for a subsequent transmission to the new user equipment.
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