M-ary Space-Time-Block-Code Shift Index Modulation for High-Data-Rate Chaotic Communications

IF 7.1 2区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Vehicular Technology Pub Date : 2025-02-19 DOI:10.1109/TVT.2025.3543685

Feng Chen;Jilin Huang;Haipin Chen;Zhaopeng Xie;Pingping Chen

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Abstract

Space-time-block-code (STBC) and wideband permutation index differential-chaos-shift-keying (PI-DCSK) modulation can effectively mitigate the multipath fading. By integrating STBC with PI-DCSK, we propose an M-ary space-time-block-code shift index differential-chaos-shift-keying (STBC-SI-DCSK) scheme. This scheme leverages low correlation between chaotic signals to minimize inter antenna interference and achieve full diversity gain. Simulation results show that the proposed scheme improves bit-error-rate (BER) by about 10 dB and 5 dB over single-input single-output (SISO)-aided PI-DCSK (SISO-PI-DCSK) and STBC-PI-DCSK, respectively, at a BER of

$10^{-4}$

. The proposed STBC-SI-DCSK scheme also demonstrates superior BER performance in ultra-wide bandwidth (UWB) channels while simplifying the permutation operation. This results in a transceiver complexity comparable to that of SISO-PI-DCSK, making it well-suited for wireless local area network (WLAN) applications.

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高数据速率混沌通信的空时块码移位索引调制

空时块码（STBC）和宽带排列索引微分混沌移位键控（PI-DCSK）调制可以有效地缓解多径衰落。通过将STBC与PI-DCSK相结合，提出了一种多空时块码移位索引微分混沌移位键控（STBC- si - dcsk）方案。该方案利用混沌信号之间的低相关性，最大限度地减少天线间干扰，实现全分集增益。仿真结果表明，在误码率为10^{-4}$时，该方案比单输入单输出（SISO）辅助PI-DCSK （SISO-PI-DCSK）和STBC-PI-DCSK分别提高了约10 dB和5 dB的误码率。提出的STBC-SI-DCSK方案在简化置换操作的同时，在超宽带（UWB）信道中也表现出优越的误码率性能。这导致收发器的复杂性与SISO-PI-DCSK相当，使其非常适合无线局域网（WLAN）应用。

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来源期刊

IEEE Transactions on Vehicular Technology 工程技术-电信学

CiteScore

6.00

自引率

8.80%

发文量

1245

审稿时长

6.3 months

期刊介绍： The scope of the Transactions is threefold (which was approved by the IEEE Periodicals Committee in 1967) and is published on the journal website as follows: Communications: The use of mobile radio on land, sea, and air, including cellular radio, two-way radio, and one-way radio, with applications to dispatch and control vehicles, mobile radiotelephone, radio paging, and status monitoring and reporting. Related areas include spectrum usage, component radio equipment such as cavities and antennas, compute control for radio systems, digital modulation and transmission techniques, mobile radio circuit design, radio propagation for vehicular communications, effects of ignition noise and radio frequency interference, and consideration of the vehicle as part of the radio operating environment. Transportation Systems: The use of electronic technology for the control of ground transportation systems including, but not limited to, traffic aid systems; traffic control systems; automatic vehicle identification, location, and monitoring systems; automated transport systems, with single and multiple vehicle control; and moving walkways or people-movers. Vehicular Electronics: The use of electronic or electrical components and systems for control, propulsion, or auxiliary functions, including but not limited to, electronic controls for engineer, drive train, convenience, safety, and other vehicle systems; sensors, actuators, and microprocessors for onboard use; electronic fuel control systems; vehicle electrical components and systems collision avoidance systems; electromagnetic compatibility in the vehicle environment; and electric vehicles and controls.