Patent ID: 9723617
Date: 2017-08-01
CPC Classifications: H04B,H04J,H04L,H04W

Claim:
1. A method for processing interference, comprising: measuring, according to a first demodulation reference signal (DMRS) pilot symbol carried by a first subcarrier used by an uplink user equipment, an interference channel matrix of an uplink interference channel from the uplink user equipment to a device-to-device (D2D) receiving end, wherein the first subcarrier is a subcarrier shared by a D2D transmitting end and the uplink user equipment, wherein the first DMRS pilot symbol is selected from a first DMRS pilot sequence which is used by the uplink user equipment, and the first DMRS pilot sequence is estimated by the D2D receiving end by comparing a first K symbols of a DMRS pilot sequence which is available to the uplink user equipment and a first K symbols of the first DMRS pilot sequence which is actually received by the D2D receiving end; calculating a null space matrix of the uplink interference channel according to the interference channel matrix; and processing, by using the null space matrix, a signal which comes from a D2D transmitting end and received by the D2D receiving end via the first subcarrier, to eliminate an interference signal, which comes from the uplink user equipment, in the signal.