用于毫米波通信的多通道模拟波束形成收发器

IF 7.7 2区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Transactions on Mobile Computing Pub Date : 2025-02-05 DOI:10.1109/TMC.2025.3539169

Haotian Zhao;Kamran Entesari;Sebastian Hoyos

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引用次数: 0

摘要

本文介绍了一种模拟多通道毫米波收发器架构，与数字波束形成和混合波束形成技术相比，该架构在硬件复杂度和计算效率方面具有较低的优势。此外，众所周知，具有单个移相器网络的模拟波束形成在保持跨宽带频谱的一致精度方面面临限制。为此，所提出的架构利用了多通道收发器固有的带宽分割特性。因此，每个子带信号由其在收发器中的相应信道处理，每个信道具有独立的模拟波束形成器。这种方法可以显著提高5G和未来6G蜂窝网络等宽带通信系统的波束形成精度。仿真结果表明，在不考虑干扰的情况下，增加多通道收发器的信道数可以使多通道模拟波束形成达到与数字波束形成相当的误码率性能。此外，当存在干扰时，与有限的模数转换分辨率的数字波束形成相比，所提出的多通道模拟波束形成对高功率干扰的恢复能力增强。

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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Multi-Channel Analog Beamforming Transceiver for mmWave Communications

This paper introduces an analog multi-channel millimeter-wave transceiver architecture that offers advantages in terms of low hardware complexity and computational efficiency compared to digital beamforming and hybrid beamforming techniques. Also, it is known that analog beamforming with a single phase-shifter network faces limitations in maintaining consistent accuracy across a wideband spectrum. To this end, the proposed architecture leverages the inherent bandwidth-splitting property of the multi-channel transceiver. Thus, each sub-band signal is processed by its corresponding channel in the transceiver with an independent analog beamformer per channel. This approach can significantly improve the beamforming accuracy in a wideband communication system such as 5G and future 6G cellular networks. The simulation results demonstrate that increasing the channels in the multi-channel transceiver enables multi-channel analog beamforming to achieve a comparable bit-error-rate (BER) performance to digital beamforming when interference is not considered. Moreover, when interference is present, the proposed multi-channel analog beamforming exhibits enhanced resilience to high power interference compared with digital beamforming with limited analog-to-digital conversion resolution.

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来源期刊

IEEE Transactions on Mobile Computing 工程技术-电信学

CiteScore

12.90

自引率

2.50%

发文量

403

审稿时长

6.6 months

期刊介绍： IEEE Transactions on Mobile Computing addresses key technical issues related to various aspects of mobile computing. This includes (a) architectures, (b) support services, (c) algorithm/protocol design and analysis, (d) mobile environments, (e) mobile communication systems, (f) applications, and (g) emerging technologies. Topics of interest span a wide range, covering aspects like mobile networks and hosts, mobility management, multimedia, operating system support, power management, online and mobile environments, security, scalability, reliability, and emerging technologies such as wearable computers, body area networks, and wireless sensor networks. The journal serves as a comprehensive platform for advancements in mobile computing research.