MMSE-based detector for spatial modulation OFDM systems with multiple CFOs
Zhao, Yan, Xiao, Yue, Yang, Ping, Dong, Binhong, Lei, Xia, and Xiang, Wei (2018) MMSE-based detector for spatial modulation OFDM systems with multiple CFOs. In: Proceedings of the 10th International Conference on Wireless Communications and Signal Processing. From: WCSP 2018: 10th International Conference on Wireless Communications and Signal Processing, 18-20 October 2018, Hangzhou, China.
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Abstract
In this paper, a low-complexity vector-byvector (VV) based minimum mean square error (MMSE) detector is proposed in the presence of carrier frequency offset (CFO) in spatial modulation orthogonal frequency division multiplexing (SM-OFDM) systems. Its main benefit lies in that the CFO matrix in the proposed detector is considered as a component of the channel transfer matrix. Furthermore, the SM symbol is treated as an entire vector when performing soft interference cancellation (SIC) in the proposed MMSE detector. Finally, the structure of the CFO matrix is exploited in order to strike a flexible trade-off between complexity and performance. Simulation results demonstrate that the proposed detector can provide considerable performance improvement compared to conventional detectors at a moderate complexity cost in both uncoded and coded SM systems.
| Item ID: | 57910 |
|---|---|
| Item Type: | Conference Item (Research - E1) |
| ISBN: | 978-1-5386-6119-2 |
| Funders: | National Science Foundation of China (NSFC), National Mobile Communications Research Laboratory, Southeast University (NMCRL), nternational Science and Technology Cooperation Project of Sichuan Province (ISTCPSP) |
| Projects and Grants: | NSFC Grant no. 61471090, NMCRL No. 2017D16, ISTCPSP No. 2017HH0009 |
| Date Deposited: | 10 Apr 2019 07:39 |
| FoR Codes: | 40 ENGINEERING > 4006 Communications engineering > 400608 Wireless communication systems and technologies (incl. microwave and millimetrewave) @ 100% |
| SEO Codes: | 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890199 Communication Networks and Services not elsewhere classified @ 0% 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890103 Mobile Data Networks and Services @ 100% |
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