Uplink SCMA with STBC in fading channels
Li, Huan Ying, Liu, Zi Jing, Yu, Qi Yue, Xiang, Wei, and Adachi, Fumiyuki (2020) Uplink SCMA with STBC in fading channels. In: Proceedings of the IEEE Vehicular Technology Conference. 9128386. From: VTC2020-Spring: IEEE 91st Vehicular Technology Conference, 25-28 May 2020, Antwerp, Belgium.
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Abstract
Sparse code multiple access (SCMA) is an attractive non-orthogonal multiple access scheme for wireless communications. Meanwhile, space-time block coding (STBC) can achieve high diversity gains in fading channels. This paper proposes an uplink SCMA-STBC with a space-time-based message-passing algorithm (ST-MPA). Moreover, precoding is employed in the proposed SCMA-STBC to reduce the complexity of the receiver. The BER lower bound is derived for the proposed system. Simulation results show that the system with precoding provides a better BER performance than the case without precoding.
| Item ID: | 67200 |
|---|---|
| Item Type: | Conference Item (Research - E1) |
| ISBN: | 978-1-7281-5207-3 |
| ISSN: | 1550-2252 |
| Keywords: | fading channel, precoding, space-time block code (STBC), Sparse code multiple access (SCMA) |
| Copyright Information: | © 2020 IEEE. |
| Funders: | National Natural Science Foundation of China (NNSFC), Natural Science Foundation of Heilongjiang Province (NSFHP) |
| Projects and Grants: | NNSFC 61671171, NSFHP YQ2019F009 |
| Date Deposited: | 28 Apr 2021 23:59 |
| FoR Codes: | 40 ENGINEERING > 4006 Communications engineering > 400607 Signal processing @ 50% 40 ENGINEERING > 4006 Communications engineering > 400608 Wireless communication systems and technologies (incl. microwave and millimetrewave) @ 50% |
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