M-ary differential chaos shift keying with carrier index modulation for high-data-rate transmission

被引：1
作者：
Yu, Bin [1 ,2 ]
Jiang, Guo-Ping [3 ]
Yang, Hua [4 ]
Jia, Ya-Qiong [2 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Sch Comp Sci, Nanjing, Peoples R China
[2] Hunan Inst Technol, Sch Elect Informat Engn, Hengyang, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Sch Automat, Nanjing, Peoples R China
[4] Nanjing Univ Posts & Telecommun, Sch Elect & Opt Engn, Nanjing, Peoples R China
来源：
IET COMMUNICATIONS | 2024年 / 18卷 / 20期
基金：
中国国家自然科学基金;
关键词：
chaos; chaotic communication; PERFORMANCE ANALYSIS; DCSK SYSTEM; DESIGN; SCHEME; EFFICIENT;
D O I：
10.1049/cmu2.12869
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：
A high-data-rate solution for M-ary differential chaos shift keying (MDCSK) based on carrier index modulation is proposed in this paper. At the transmitter, the proposed system employs index selectors, Hilbert transform, and MDCSK encoders. Walsh codes are used for separating different data-bearing wavelets. At the receiver, the proposed system adopts energy comparators and MDCSK detectors. The transmitted chaotic signals are duplicated for several times, and the averaging operation is performed on received signals to reduce noise. Theoretical bit error rate expressions are obtained over the AWGN and the multipath Rayleigh fading channels, respectively. Simulations and comparisons are performed to verify the effectiveness of the proposed scheme.
引用
收藏
页码：1826 / 1839
页数：14
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