Patent ID: 9130709
Filing Date: 2015-09-08
Classification: H04B,H04J,H04L

Abstract:
1. A method in a radio communications network, the radio communications network including a plurality of radio communication cells and at least one wireless terminal served by one or more of the plurality of radio communication cells, the method comprising: determining inter-cell downlink interference to the at least one wireless terminal; selecting, based on the inter-cell downlink interference, a selected downlink transmission mode from a set of modes comprising a single-point transmission mode and a plurality of multi-point transmission modes, wherein the single-point transmission mode is selected if the at least one wireless terminal is located in a center region of a radio communication cell and has a channel quality in a high quality range (H) and one of the plurality of the multi-point transmissions modes is selected if the at least one wireless terminal is located in an edge region of the radio communication cell and has a channel quality below the high quality range (H); using the selected downlink transmission mode to coordinate downlink radio communications with the at least one wireless terminal; and selecting a coordinated scheduling/coordinated beam-forming (CoMP CS/CB) transmission mode based on a low channel quality for the at least one wireless terminal located in the edge region of the radio communication cell and having channel quality in a low channel quality range (L