针对无赠予 MIMO-NOMA 系统的多用户检测与压缩感知迭代重权重方法

IF 7.1 2区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Vehicular Technology Pub Date : 2024-09-05 DOI:10.1109/TVT.2024.3455188

Xiaoxu Zhang;Ziyang Zhou;Li Zhang;Pingzhi Fan;Zheng Ma

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引用次数: 0

摘要

本文主要研究大规模机器型通信（MTC）的多输入多输出（MIMO）免授权非正交多址（GF-NOMA）系统的高效多用户检测（MUD）问题。mMTC固有的稀疏性促使我们利用压缩感知（CS）技术来解决MUD问题。本文讨论了在Grant-free MIMO-NOMA模型下，将迭代重加权（IR）方案与最大-最小（MM）算法相结合的稀疏信号恢复方法。数值和仿真结果表明，基于该红外方案的无授权MIMO-NOMA能够重建未知用户活动因素的稀疏信号，并且优于传统的多用户检测器。

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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Multiuser Detection With Compressive Sensing Iterative Reweighed Approach for Grant-Free MIMO-NOMA Systems

In this paper, we focus on the efficient multiuser detection (MUD) problem for multiple-input multiple-output (MIMO) enabled grant-free non-orthogonal multiple access (GF-NOMA) system for massive machine-type communications (MTC). The inherent sparsity of mMTC motivates us to make use of compressive sensing (CS) technology to address the MUD problem. This paper discusses the use of an iterative reweighed (IR) scheme combined with the majorization-minimization (MM) algorithm to recover sparse signals under the Grant-free MIMO-NOMA model. Numerical and simulation results demonstrate that Grant-Free MIMO-NOMA with the proposed IR scheme is capable of reconstructing sparse signals with unknown user activity factors and the proposed algorithm outperforms conventional multiuser detectors.

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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.