Polarization-Aided Multi-User Spatial Modulation

IF 7.1 2区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Vehicular Technology Pub Date : 2025-03-20 DOI:10.1109/TVT.2025.3550275

Zhaopeng Xie;Yuanping Wang;Yuehui Xu;Pingping Chen;Yi Fang

引用次数: 0

Abstract

In this paper, we propose a polarization-aided detection and decoding scheme for polar-coded multi-user spatial modulation (PA-MU-SM) systems. Exploiting the polar code structure, we treat the reception processing in MU-SM as a polar re-encoding that generates an extended-length polar code with nested user codes. The proposed method enables us to decode all user messages within this single polar decoder. Then, a Monte-Carlo construction is utilized to optimize the nested user codes of the extended-length polar code. Furthermore, to eliminate the interference between user layers of the PA-MU-SM, an iterative polarization-aided (I-PA) scheme is designed and can theoretically achieve MU-SM channel capacity via a four-stage channel transform. Simulation results show that the proposed PA and I-PA schemes offer better error performance than the traditional polar-coded spatial modulation (PC-SM) schemes.

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偏振辅助多用户空间调制

本文提出了一种用于极编码多用户空间调制（PA-MU-SM）系统的极化辅助检测和解码方案。利用极性码结构，我们将MU-SM中的接收处理视为极性重新编码，生成具有嵌套用户码的扩展长度极性码。所提出的方法使我们能够在这个单极解码器中解码所有用户消息。然后，利用蒙特卡罗构造对扩展长度极坐标码的嵌套用户码进行优化。此外，为了消除PA-MU-SM用户层之间的干扰，设计了一种迭代极化辅助（I-PA）方案，该方案通过四级信道变换在理论上实现了MU-SM信道容量。仿真结果表明，与传统的极编码空间调制（PC-SM）方案相比，所提出的PA和I-PA方案具有更好的误差性能。

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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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.

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