Research Article
Concatenation-Assisted Symbol-Level Combining Scheme Based on LR for MIMO Systems with ARQ
@INPROCEEDINGS{10.1109/ChinaCom.2011.6158231, author={Bin Zheng and Hui Zhao and XIaoping Zhou and Wenbo Wang and Bin Wu}, title={Concatenation-Assisted Symbol-Level Combining Scheme Based on LR for MIMO Systems with ARQ}, proceedings={6th International ICST Conference on Communications and Networking in China}, publisher={IEEE}, proceedings_a={CHINACOM}, year={2012}, month={3}, keywords={lr arq mimo}, doi={10.1109/ChinaCom.2011.6158231} }- Bin Zheng
Hui Zhao
XIaoping Zhou
Wenbo Wang
Bin Wu
Year: 2012
Concatenation-Assisted Symbol-Level Combining Scheme Based on LR for MIMO Systems with ARQ
CHINACOM
IEEE
DOI: 10.1109/ChinaCom.2011.6158231
Abstract
In multiple-input multiple-output (MIMO) systems, it is well known that the lattice reduction (LR) can improve the performance significantly. LR aided (LRA) linear detectors achieve the full diversity with limit complexity. On the other hand, Automatic-repeat-request (ARQ) is another helpful tool for improving system’s reliability, especially when packet data services play a more and more important role in the wirless communication now. In this paper, we propose a new receiver for MIMO systems with LR and ARQ. Based on the temporal correlation of a Rayleigh fading wireless MIMO channel and the features of retransmission , applying the results of LR in the last retransmission to the current retransmission can reduce the complexity of LR processing significantly. Simulation results corroborate our views.