期刊
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
卷 15, 期 5, 页码 3028-3039出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2019.2891624
关键词
Enhanced energy-based detector (EED); frequency-modulated differential chaos shift keying (FMDCSK); Internet-of-Things (IoT); tactile Internet; ultrawideband (UWB)
类别
资金
- National Natural Science Foundation of China [61701121, 61771149, 11871248, 61871132]
- Open Research Fund of State Key Laboratory of Integrated Services Networks [ISN19-04]
- Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme [2017-ZJ022]
- NSF of Guangdong Province [2016A030310337]
- Special Innovation Project of the Education Department of Guangdong Province [2017KTSCX060]
- Fundamental Research Funds for the Central Universities [21618329]
- Project of Department of Education of Guangdong Province [2018XSLT13, 2018SFJD-01]
- Fujian Distinguished Researcher Fund 2017
Frequency-modulated differential chaos shift keying ultrawideband (FM-DCSK UWB) system has attracted more and more attention in recent years because of its low-complexity and low-power advantages. Nevertheless, its system performance is severely degraded in the presence of narrowband interference (NBI), which further limits its practical applications. In this paper, an enhanced energy-based detector (EED) is proposed for the FM-DCSK UWB system to tackle this problem. Compared with the conventional energy detector (ED), the proposed EED significantly enhances the anti-NBI capability while maintaining the low-power and low-complexity feature. As a further insight, the analytical bit-error-rate (BER) expression of the proposed EED-based FM-DCSK UWB system is derived over additive white Gaussian noise as well as IEEE 802.15.4a multipath fading channels. Moreover, simulation results are carried out to demonstrate the accuracy of the theoretical analysis and the merit of the proposed EED. It is illustrated that the proposed EED achieves better performance than the conventional ED in various transmission scenarios. Thanks to the above-mentioned advantages, the proposed EED-based FM-DCSK UWB system appears to be an excellent candidate for low-power and low-complexity tactile Internet-of-Things applications, e.g., wireless sensor networks and wireless body area networks.
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