Patent ID: 9185599
Filing Date: 2015-11-10
Classification: H04B,H04L,H04W

Abstract:
1. An interference control method in a wireless system having multiple transmission/reception nodes, comprising: performing, by one of a plurality of reception nodes belonging to a predetermined group, a user equipment (UE) pairing procedure with a transmission node; and performing, by the one reception node, a channel information sharing procedure of sharing channel information with other reception node belonging to the predetermined group, wherein the channel information sharing procedure includes deciding, by the one of the plurality of reception nodes, a precoding matrix of each UE within the user group by using channel information of the plurality of reception nodes, wherein the predetermined group includes a plurality of UEs located in an edge of a plurality of cells and affected by strong interference as the plurality of reception nodes, wherein the one reception node is a master UE, and wherein the channel information sharing procedure includes transmitting and receiving channel information of the plurality of reception nodes via device-to-device (D2D) between the plurality of reception nodes belonging to the predetermined group.