Multi-carrier DCSK With Hybrid Index Modulation: A New Perspective on Frequency-Index-Aided Chaotic Communication

被引：40
作者：
Tao, Yiwei [1 ,2 ]
Fang, Yi [1 ,2 ]
Ma, Huan [1 ,2 ]
Mumtaz, Shahid [3 ]
Guizani, Mohsen [4 ]
机构：
[1] Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Peoples R China
[2] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710126, Peoples R China
[3] Inst Telecomunicacoes, P-1049001 Aveiro, Portugal
[4] Mohamed Bin Zayed Univ Artificial Intelligence MB, Dept Machine Learning, Abu Dhabi, U Arab Emirates
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2022年 / 70卷 / 06期
关键词：
Indexes; Modulation; Chaotic communication; Communication systems; OFDM; Wireless communication; Complexity theory; Differential chaos shift keying (DCSK); spectrum efficiency; hybrid index modulation; additive white Gaussian noise (AWGN) channel; multipath Rayleigh fading channel; SHIFT-KEYING SCHEME; PERFORMANCE ANALYSIS; DESIGN; SYSTEM; OFDM;
D O I：
10.1109/TCOMM.2022.3169214
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：
To realize high energy-efficient, high spectrum-efficient, and high-throughput data transmission, a multi-carrier differential chaos shift keying communication system with hybrid index modulation, referred to as HIM-MC-DCSK system, is proposed in this paper. In the HIM-MC-DCSK system, we intelligently integrate the carrier-number-index technique and carrier-index technique into the MC-DCSK modulation in order to significantly boost the transmission efficiency in wireless communication systems. Especially, we use a pair of orthogonal signals to represent the active and inactive subcarriers in the HIM-MC-DCSK system so as to exploit all the subcarriers to transmit information bits. In addition, the theoretical bit-error-rate (BER) expressions of the HIM-MC-DCSK system are derived over additive white Gaussian noise (AWGN) and multipath Rayleigh fading channels. Also, the data rate, spectrum efficiency, energy efficiency, and complexity of the proposed system are carefully analyzed. Monte-Carlo simulations not only verify the accuracy of the theoretical analysis but also illustrate the superiority of the proposed system.
引用
收藏
页码：3760 / 3773
页数：14
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