Research Article
Three-Way Massive MIMO Relaying with Successive Cancelation Decoding
@INPROCEEDINGS{10.1007/978-3-319-74176-5_8, author={Chung Ho and Hien Ngo and Michail Matthaiou}, title={Three-Way Massive MIMO Relaying with Successive Cancelation Decoding}, proceedings={Industrial Networks and Intelligent Systems. 3rd International Conference, INISCOM 2017, Ho Chi Minh City, Vietnam, September 4, 2017, Proceedings}, proceedings_a={INISCOM}, year={2018}, month={1}, keywords={Decode-and-forward Maximum-ratio combining Multi-way relay massive MIMO Successive cancelation decoding}, doi={10.1007/978-3-319-74176-5_8} }- Chung Ho
Hien Ngo
Michail Matthaiou
Year: 2018
Three-Way Massive MIMO Relaying with Successive Cancelation Decoding
INISCOM
Springer
DOI: 10.1007/978-3-319-74176-5_8
Abstract
In this paper, we propose a novel transmission scheme for a three-way massive multiple-input multiple-output (MIMO) relay network where three users exchange their data with the help of a decode-and-forward relay station equipped with a very large antenna array. Our proposed scheme needs only two time-slots for the information exchange. More precisely, the three users first send their symbols to the relay. Then, the relay uses the maximum-ratio combining technique to decode all transmitted symbols and simultaneously transmits these symbols to all three users. Each user applies successive cancelation decoding to decode symbols transmitted from other users. We study the sum spectral efficiency of our proposed transmission protocol. We show that the sum spectral efficiency of our proposed scheme increases noticeably compared to the one of the conventional scheme where three time-slots are required to exchange data among the three users, without increasing the system complexity.