Design of an Energy-Efficient Multidimensional Secure Constellation for 5G Communications

Wei Li, M. Ghogho, Junqing Zhang, D. McLernon, Jing Lei, Syed Ali Raza Zaidi
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引用次数: 1

Abstract

Energy efficiency and security are two important metrics for the fifth generation (5G) wireless networks. Existing constellation designs often consider spectral efficiency but neglect energy efficiency and security. We define the concept of energy efficiency of constellations and propose a multidimensional secure constellation (MSC) design to improve the energy efficiency, security, and bit error rate (BER) performance. A general closed-form algorithm to construct the n-dimensional constellation mapping codebook is proposed. A multi-dimensional rotation method is proposed to enhance the security and prevent eavesdroppers from recovering symbols. A closed-form expressions for the upper bound on the BER for the proposed MSC is obtained. Simulation results show that when the dimension reaches 255, MSC can achieve a BER performance of the order of 10−4 at SNR = −8dB without binary channel coding. For the same throughput, the proposed method is shown to outperform polar coding (1–2 dB SNR gain at BER=10−4).
面向5G通信的高能效多维安全星座设计
能效和安全性是第五代(5G)无线网络的两个重要指标。现有的星座设计通常考虑频谱效率,而忽略了能源效率和安全性。本文定义了星座能源效率的概念,提出了一种多维安全星座(MSC)设计,以提高星座的能源效率、安全性和误码率(BER)性能。提出了一种构造n维星座映射码本的通用封闭算法。为了提高密码的安全性,防止窃听者窃取密码,提出了一种多维旋转方法。得到了该算法的误码率上界的封闭表达式。仿真结果表明,当维数达到255时,在不进行二进制信道编码的情况下,在信噪比为−8dB的情况下,MSC的误码率可以达到10−4阶。对于相同的吞吐量,所提出的方法被证明优于极性编码(1-2 dB信噪比增益在BER=10−4)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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