CCOA-AdaLS: Hybrid Beamforming Using Chaotic Chebyshev Aquila Optimization for mmWave Massive MIMO

IF 1.7 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Communication Systems Pub Date : 2024-12-17 DOI:10.1002/dac.6069

Anandan R., Abdur Rahman, Seenuvasamurthi S., Vishnu Vardhan Rao G.

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Abstract

This research aims to design hybrid analog and digital beamforming to improve the signal-to-noise ratio (SNR) and spectral efficiency (SE) of communication links. Considering the complexity and cost associated with fully connected multiple-input multiple-output (MIMO) communication models, a partially connected system model is adopted for the downlink millimeter-wave (mmWave) communication model. The analog beamforming utilizes the adaptive search (AdaLS) algorithm to minimize interference and enhance user power, whereas digital beamforming is optimized using the proposed Chaotic Chebyshev Aquila Optimization (CCAO) algorithm. The CCAO algorithm integrates chaotic Chebyshev–based solution mapping with the conventional Aquila Optimization Algorithm to enhance exploration capability. The system model is illustrated, and the problem is formulated to maximize the signal-to-interference-plus-noise ratio (SINR) through the selection of the required signal at the receiver. The digital beamformer is designed using Lagrange's multiplier, and the analog beamformer is optimized using AdaLS. The proposed CCAO algorithm is detailed, incorporating chaotic dynamics to explore the solution space effectively. The research evaluates the performance of the proposed method against conventional approaches, showcasing improved normalized beam gain and SINR.

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CCOA-AdaLS：利用混沌切比雪夫阿奎拉优化实现毫米波大规模多输入多输出混合波束成形

本研究旨在设计模拟和数字混合波束形成，以提高通信链路的信噪比（SNR）和频谱效率（SE）。考虑到全连接多输入多输出（MIMO）通信模型的复杂性和成本，下行毫米波（mmWave）通信模型采用部分连接系统模型。模拟波束形成使用自适应搜索（AdaLS）算法来最小化干扰并提高用户功率，而数字波束形成使用所提出的混沌切比雪夫Aquila优化（CCAO）算法进行优化。CCAO算法将混沌chebyhev解映射与传统的Aquila优化算法相结合，提高了勘探能力。说明了系统模型，并提出了通过选择接收端所需信号来最大化信噪比的问题。数字波束形成器采用拉格朗日乘法器设计，模拟波束形成器采用AdaLS优化。详细介绍了CCAO算法，该算法结合混沌动力学有效地探索解空间。研究评估了该方法与传统方法的性能，展示了改进的归一化波束增益和信噪比。

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

International Journal of Communication Systems 工程技术-电信学

CiteScore

5.90

自引率

9.50%

发文量

323

审稿时长

7.9 months

期刊介绍： The International Journal of Communication Systems provides a forum for R&D, open to researchers from all types of institutions and organisations worldwide, aimed at the increasingly important area of communication technology. The Journal''s emphasis is particularly on the issues impacting behaviour at the system, service and management levels. Published twelve times a year, it provides coverage of advances that have a significant potential to impact the immense technical and commercial opportunities in the communications sector. The International Journal of Communication Systems strives to select a balance of contributions that promotes technical innovation allied to practical relevance across the range of system types and issues. The Journal addresses both public communication systems (Telecommunication, mobile, Internet, and Cable TV) and private systems (Intranets, enterprise networks, LANs, MANs, WANs). The following key areas and issues are regularly covered: -Transmission/Switching/Distribution technologies (ATM, SDH, TCP/IP, routers, DSL, cable modems, VoD, VoIP, WDM, etc.) -System control, network/service management -Network and Internet protocols and standards -Client-server, distributed and Web-based communication systems -Broadband and multimedia systems and applications, with a focus on increased service variety and interactivity -Trials of advanced systems and services; their implementation and evaluation -Novel concepts and improvements in technique; their theoretical basis and performance analysis using measurement/testing, modelling and simulation -Performance evaluation issues and methods.