Spatial Modulated Multicarrier Sparse Code-Division Multiple Access

被引：16

作者：

Liu, Yusha ^{[1
]}

Yang, Lie-Liang ^{[1
]}

Xiao, Pei ^{[2
]}

Haas, Harald ^{[3
]}

Hanzo, Lajos ^{[1
]}

机构：

[1] Univ Southampton, Sch Elect & Comp Sci, Southampton SO17 1BJ, Hants, England

[2] Univ Surrey, Fac Engn & Phys Sci, Home 5G Innovat Ctr 5GIC, Inst Commun Syst, Guildford GU2 7XH, Surrey, England

[3] Univ Edinburgh, Inst Digital Commun IDCOM, Edinburgh EH9 3JL, Midlothian, Scotland

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2020年 / 19卷 / 01期

基金：

英国工程与自然科学研究理事会; 欧洲研究理事会;

关键词：

Multiaccess communication; Peak to average power ratio; Frequency-domain analysis; Frequency-selective fading channels; NOMA; Transmitters; Multicarrier; CDMA; sparse spreading; spatial modulation; maximum a posteriori detection; message passing algorithm; performance; PERFORMANCE ANALYSIS; ERROR-PROBABILITY; UPLINK SCMA; MIMO; SYSTEMS; CHANNELS;

D O I：

10.1109/TWC.2019.2947042

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a novel spatial-modulated multicarrier sparse code-division multiple access (SM/MC-SCDMA) system for achieving massive connectivity in device-centric wireless communications. In our SM/MC-SCDMA system, the advantages of both MC signalling and SM are amalgamated to conceive a low-complexity transceiver. Sparse frequency-domain spreading is utilized to mitigate the peak-to-average power ratio (PAPR) of MC signalling, as well as to facilitate low-complexity detection using the message passing algorithm. We then analyze the single-user bit error rate performance of SM/MC-SCDMA systems communicating over frequency-selective fading channels. Furthermore, the performance of SM/MC-SCDMA systems is evaluated based on both Monte-Carlo simulations and analytical results. We demonstrate that our low-complexity SM/MC-SCDMA transceivers are capable of achieving near-maximum likelihood (ML) performance even when the normalized user-load is as high as two, hence constituting a variable solution to support massive connectivity in device-centric wireless systems.

引用

页码：610 / 623

页数：14

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