一种基于脏纸编码的离散相位ris辅助MIMO多用户收发器设计

IF 3.7 3区计算机科学 Q2 TELECOMMUNICATIONS

IEEE Communications Letters Pub Date : 2025-02-25 DOI:10.1109/LCOMM.2025.3545366

Hsiao-Feng Lu

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引用次数: 0

摘要

在这封信中，我们提出了一种新的收发器设计，用于ris辅助MIMO多用户下行通信。该设计采用脏纸编码和实用的离散相RIS，克服了现有技术的局限性，实现了信道和速率的极限容量。新设计支持任意数量的天线和用户，为下一代无线网络提供了实用的解决方案。特别地，提出了一种优化RIS离散相移的新方法，该方法具有RIS单元数的多项式复杂度和相对于离散相数的线性复杂度。仿真表明，我们的qpsk相位RIS设计提供了一种具有成本效益的解决方案，在RIS辅助MIMO通信的现有工作基础上显著提高了性能。

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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A Novel Discrete Phase RIS-Aided MIMO Multiuser Transceiver Design Using Dirty Paper Coding

In this letter we present a novel transceiver design for RIS-aided MIMO multiuser downlink communications. The design employs dirty paper coding and practical discrete-phase RIS to overcome the limitations of existing techniques and achieve the ultimate channel sum-rate capacity. The new design supports arbitrary number of antennas and users and provides a practical solution for next-generation wireless networks. In particular, a new method is proposed for optimizing the discrete phase shifts of RIS, with polynomial complexity in the number of RIS elements and linear complexity relative to the number discrete phases. Simulations show that our design with QPSK-phase RIS offers a cost-effective solution with significant performance improvement upon existing works for RIS-aided MIMO communications.

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来源期刊

IEEE Communications Letters 工程技术-电信学

CiteScore

8.10

自引率

7.30%

发文量

590

审稿时长

2.8 months

期刊介绍： The IEEE Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of communication over different media and channels including wire, underground, waveguide, optical fiber, and storage channels. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of communication systems.