Space-frequency index modulation for combating ICI in intelligent mobility communications

Cao, Rui, Lei, Xia, Xiao, Yue, Li, You, and Xiang, Wei (2020) Space-frequency index modulation for combating ICI in intelligent mobility communications. IEEE Access, 8. pp. 21272-21281.

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Abstract

Advanced wireless communications to support high vehicular speeds in the scenario of intelligent mobility have attracted considerable research attentions in both academia and industry. Multi-dimensional index modulation, which exploits transmission media resources for combining the concept of index modulation to achieve higher throughput with lower energy consumption, is regarded as a potential candidate for addressing the challenges in intelligent mobility communications. However, for the multi-dimensional index modulation system used in the mobile environment, the inter-carrier-interference (ICI) imposes a significant adverse impact on the system, especially in the context of multicarrier transmission. Therefore, by focusing on the two-dimensional index modulation system, the ICI impact on space-frequency index modulation is studied in this paper. Thanks to the grouping strategies and the Gaussian approximation to model the ICI, the approximate theoretical bounds for the error performance of the two dimensional systems are derived. Moreover, a novel robust space-frequency index modulation scheme is also developed. Finally, simulation results are presented to validate the system performances and the theoretical derivations.

Item ID: 63020
Item Type: Article (Research - C1)
ISSN: 2169-3536
Keywords: Space-frequency index modulation, carrier frequency offset, inter-carrier interference
Copyright Information: This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see http://creativecommons.org/licenses/by/4.0/
Funders: National Natural Science Foundation of China (NNSFC), National Key R&D Program of China (NKRDPC), Department of Science and Technology of Sichuan Province (DSTSP)
Projects and Grants: NNSFC Grant 61771106, NKRDPC Grant 2018YFC0807101, DSTSP Grant 2018GZ0092
Date Deposited: 06 May 2020 07:48
FoR Codes: 40 ENGINEERING > 4006 Communications engineering > 400608 Wireless communication systems and technologies (incl. microwave and millimetrewave) @ 100%
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