Optimization of Pre-equalizer in Multiple Antenna Pre-equalized Time Reversal Secure Transmission System

被引:0
作者
Lei W.-J. [1 ,2 ]
Zhang W.-H. [1 ,2 ]
Xie X.-Z. [3 ]
Lei H.-J. [1 ,2 ]
机构
[1] School of Communication andI nformation Engineering, Chongqing University of Posts and Telecommunications, Chongqing
[2] Chongqing Key Laboratory of Mobile Communications Technology, Chongqing University of Posts and Telecommunications, Chongqing
[3] School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing
来源
Tien Tzu Hsueh Pao/Acta Electronica Sinica | 2021年 / 49卷 / 09期
关键词
Mingle-input single-output; Physical layer security; Pre-equalization; Time reversal;
D O I
10.12263/DZXB.20200585
中图分类号
学科分类号
摘要
By using the multi-path of wireless channels, time reversal (TR) transmission technology can focus the signal energy in a desired spatial and temporal point, so it has natural anti-eavesdropping capability. In this paper, a pre-equalizer shared by all antennas is added in front of the conventional pre-filters at the transmitter for a TR multiple-input single-output system. The optimization of the pre-equalizer is carried out for the maximization of secrecy rate. Compared with the joint optimization for the all pre-filters, the complexity of optimization for the pre-equalizer is significantly lower. The simulation results show that the security rate of the pre-equalized TR system optimized for secure transmission is about two times higher than that of the conventional TR transmission system at high transmission power with four transmitting antennas and one up sampling factor. And the more the number of antennas, the larger the up sampling factor, the more obvious the performance advantage. © 2021, Chinese Institute of Electronics. All right reserved.
引用
收藏
页码:1736 / 1745
页数:9
相关论文
共 15 条
[1]  
Rouseff D, Jackson D R, Fox W L J, Et al., Underwater acoustic communication by passive-phase conjugation: Theory and experimental results, IEEE Journal of Oceanic Engineering, 26, 4, pp. 821-831, (2001)
[2]  
Wang B B, Wu Y L, Han F, Et al., Green wireless communications: A time-reversal paradigm, IEEE Journal on Selected Areas in Communications, 29, 8, pp. 1698-1710, (2011)
[3]  
Lei W J, Yao L., Performance analysis of time reversal communication systems, IEEE Communications Letters, 23, 4, pp. 680-683, (2019)
[4]  
Kyritsi P, Stoica P, Papanicolaou G, Et al., Time reversal and zero-forcing equalization for fixed wireless access channels, Conference Record of the Thirty-Ninth Asilomar Conference on Signals, Systems and Computers, 2005, pp. 1297-1301, (2005)
[5]  
Yoon E, Kim S Y, Yun U., A time-reversal-based transmission using predistortion for intersymbol interference alignment, IEEE Transactions on Communications, 63, 2, pp. 455-465, (2015)
[6]  
Chen X M, Ng D W K, Gerstacker W H, Et al., A survey on multiple-antenna techniques for physical layer security, IEEE Communications Surveys & Tutorials, 19, 2, pp. 1027-1053, (2017)
[7]  
Lei W J, Zhou Y., The optimization of average secrecy sum rate for MIMO full duplex two-way communication systems, Acta Electronica Sinica, 48, 6, pp. 1041-1051, (2020)
[8]  
Wang L, Li R G, Cao C Y, Et al., SNR analysis of time reversal signaling on target and unintended receivers in distributed transmission, IEEE Transactions on Communications, 64, 5, pp. 2176-2191, (2016)
[9]  
Lei W J, Yang M M, Yao L, Et al., Physical layer security performance analysis of the time reversal transmission system, IET Communications, 14, 4, pp. 635-645, (2020)
[10]  
Cao W, Lei J, Hu W D, Et al., Secrecy capacity achievable time reversal pre-filter in MISO communication system and the unequal secrecy protection application, Wireless Personal Communications, 97, 4, pp. 5427-5437, (2017)