Dr. Qingyun Li Profile

Dr. Qingyun Li

at Jinggangshan Univ

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Proceedings Article | 7 October 2016 Paper

Achievable degrees of freedom of MIMO two-way relay interference channel with delayed CSIT

Qingyun Li, Gang Wu, Shaoqian Li

Proceedings Volume 9902, 99020X (2016) https://doi.org/10.1117/12.2262333

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In this paper, assuming each node has delayed channel state information at the transmitter (CSIT), we investigate the achievable degrees of freedom (DOF) of MIMO two-way relay interference channel in frequency division duplex (FDD) systems, where there are K user pairs (i.e., 2K users) and each user in a user pair exchanges messages with the other user in the same user pair simultaneously via an intermediate relay. We propose a two-stage transmission scheme and derive the closed-form expressions for its achievable DOF.

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