多用户多红外系统毫米波 6G 网络中的动态节能资源分配

IF 2 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Physical Communication Pub Date : 2024-11-16 DOI:10.1016/j.phycom.2024.102547

Alireza Ghazavi Khorasgani , Foroogh S. Tabataba , Mohammad Sadegh Fazel , Mehdi Naderi Soorki

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引用次数: 0

摘要

本研究在多个智能反射面（IRS）的辅助下，为毫米波网络的高能效资源分配引入了一种新方法。所提出的框架在实际限制条件下优化了 IRS 元件的动态开/关控制和相移，以及接入点（AP）的波束成形（BF）。与现有方法不同的是，我们的模型通过优化固定数量的开/关 IRS 单元来提高能效（EE）。我们提出了创新算法，包括用于 BF 的改进嵌套分数编程（NFP）和用于相移和元素选择的模拟退火（SA）型算法。我们的研究结果表明，在现实场景下，与基准相比，EE 提高了 6.5 倍，这凸显了我们的方法作为未来 6G 网络重要战略的有效性。

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Dynamic energy efficient resource allocation in multi-user multi-IRS mmWave 6G networks

This study introduces a novel approach for energy-efficient resource allocation in millimeter-wave networks, assisted by multiple intelligent reflecting surfaces (IRS). The proposed framework optimizes the dynamic ON/OFF control and phase shifts of IRS elements, along with beamforming (BF) at access points (AP), under practical constraints. Unlike existing methods, our model enhances energy efficiency (EE) by optimizing a fixed number of ON IRS elements. We present innovative algorithms, including a modified nested fractional programming (NFP) for BF and a simulated annealing (SA)-type algorithm for phase shift and element selection. Our results demonstrate a 6.5-fold improvement in EE under a realistic scenario compared to benchmark, highlighting the effectiveness of our approach as a crucial strategy for future 6G networks.

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来源期刊

Physical Communication ENGINEERING, ELECTRICAL & ELECTRONICTELECO-TELECOMMUNICATIONS

CiteScore

5.00

自引率

9.10%

发文量

212

审稿时长

55 days

期刊介绍： PHYCOM: Physical Communication is an international and archival journal providing complete coverage of all topics of interest to those involved in all aspects of physical layer communications. Theoretical research contributions presenting new techniques, concepts or analyses, applied contributions reporting on experiences and experiments, and tutorials are published. Topics of interest include but are not limited to: Physical layer issues of Wireless Local Area Networks, WiMAX, Wireless Mesh Networks, Sensor and Ad Hoc Networks, PCS Systems; Radio access protocols and algorithms for the physical layer; Spread Spectrum Communications; Channel Modeling; Detection and Estimation; Modulation and Coding; Multiplexing and Carrier Techniques; Broadband Wireless Communications; Wireless Personal Communications; Multi-user Detection; Signal Separation and Interference rejection: Multimedia Communications over Wireless; DSP Applications to Wireless Systems; Experimental and Prototype Results; Multiple Access Techniques; Space-time Processing; Synchronization Techniques; Error Control Techniques; Cryptography; Software Radios; Tracking; Resource Allocation and Inference Management; Multi-rate and Multi-carrier Communications; Cross layer Design and Optimization; Propagation and Channel Characterization; OFDM Systems; MIMO Systems; Ultra-Wideband Communications; Cognitive Radio System Architectures; Platforms and Hardware Implementations for the Support of Cognitive, Radio Systems; Cognitive Radio Resource Management and Dynamic Spectrum Sharing.