两簇多用户MIMO中继干扰信道干扰中和传输

doi:10.3969/j.issn.1001-2400.2018.06.019

Abstract

Abstract: Based on the design of the relay beamforming matrix, an interference neutralization (IN) scheme is proposed for the two-cluster multi-user multiple-input multiple-output (MIMO) relay interference channel. First, the received signal at each relay is reconstructed by using the relay receive beamforming matrix. Then, each relay constructs the transmit beamforming matrix to eliminate the inter-cluster interference. The achievable degrees of freedom (DoF), the achievable sum rate and the application conditions for the IN scheme are analyzed. Experimental results have shown that the IN scheme can provide a significant DoF gain over the time division multiple access (TDMA) and the successive network coding (SNC) schemes.

Key words: multiple-input multiple-output, degrees of freedom, interference neutralization, network coding

CLC Number:

TN925

ZHANG Bowei, WU Weinong, XIAO Jingwei, HUANG Jie, WANG Jian, FENG Wenjiang. Interference neutralization transmission of two-cluster multi-user MIMO relay interference channels[J].Journal of Xidian University, 2018, 45(6): 112-117.

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Interference neutralization transmission of two-cluster multi-user MIMO relay interference channels

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