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

Qingyun Li; Gang Wu; Shaoqian Li

doi:10.1117/12.2262333

7 October 2016 Achievable degrees of freedom of MIMO two-way relay interference channel with delayed CSIT

Qingyun Li, Gang Wu, Shaoqian Li

Proceedings Volume 9902, Fourth International Conference on Wireless and Optical Communications; 99020X (2016) https://doi.org/10.1117/12.2262333
Event: Fourth International Conference on Wireless and Optical Communications, 2016, Beijing, China

Abstract

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.

Citation Download Citation

Qingyun Li, Gang Wu, and Shaoqian Li "Achievable degrees of freedom of MIMO two-way relay interference channel with delayed CSIT", Proc. SPIE 9902, Fourth International Conference on Wireless and Optical Communications, 99020X (7 October 2016); https://doi.org/10.1117/12.2262333

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