基于熵生产的无线通信系统能效优化

IF 6.3 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Open Journal of the Communications Society Pub Date : 2024-10-09 DOI:10.1109/OJCOMS.2024.3476454
Litao Yan;Xiaohu Ge
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引用次数: 0

摘要

随机热力学这一新兴领域对能量耗散与信息之间的关系进行了广泛研究,其中熵产生在衡量不可逆过程的能量损耗方面发挥着核心作用。为了从根本上统一分析和优化无线通信系统的能效,本文首次提出了二进制无线通信系统的熵产生模型。该模型是一个最小但全面的模型,包含了无线通信系统中两个关键的非平衡过程:无线信息传输和信息处理。利用随机热力学的工具推导出了无线信息传输的熵产生,并发现存在一个能使熵产生最小化的特定传输速率。在信息处理方面,分析了错误率和信息处理并行次数对熵产生的影响,并提出了一个串行或并行处理选择标准,以最小化熵产生。为了最小化无线通信系统的总熵值,我们提出了一种最优信道数算法和一种最优时间分配方案。仿真结果表明,与无线信息传输和信息处理时间分配相等的传统方法相比,采用最优时间分配方案的无线通信系统的熵产生可减少高达 20.2%。所提出的模型和优化方法为分析和提高无线通信系统的能效提供了一个新的视角。
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Entropy Production-Based Energy Efficiency Optimization for Wireless Communication Systems
The relationship between energy dissipation and information has been extensively studied in the emerging field of stochastic thermodynamics, where entropy production plays a core role in measuring the energy loss of irreversible processes. To analyze and optimize the energy efficiency of wireless communication systems from a fundamental and unified perspective, an entropy production model of a binary wireless communication systems is proposed in this paper for the first time. The proposed model serves as a minimal yet comprehensive model incorporating two key nonequilibrium processes in a wireless communication system: wireless information transmission and information processing. The entropy production of wireless information transmission is derived using tools from stochastic thermodynamics, and it is found that there is a specified transmission rate that minimizes the entropy production. For the information processing, the influence of error rate and parallel number of information processing on entropy production is analyzed, and a serial or parallel processing selection criterion is proposed to minimizes the entropy production. To minimize the total entropy production of wireless communication systems, we propose an optimal channel number algorithm and an optimal time allocation scheme. Simulation results show that the entropy production of the wireless communication system using the optimal time allocation scheme can be reduced by up to 20.2% compared to the traditional approach where the time allocated for wireless information transmission and information processing is equal. The proposed model and optimization method provide a novel perspective on analyzing and enhancing energy efficiency in wireless communication systems.
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来源期刊
CiteScore
13.70
自引率
3.80%
发文量
94
审稿时长
10 weeks
期刊介绍: The IEEE Open Journal of the Communications Society (OJ-COMS) is an open access, all-electronic journal that publishes original high-quality manuscripts on advances in the state of the art of telecommunications systems and networks. The papers in IEEE OJ-COMS are included in Scopus. Submissions reporting new theoretical findings (including novel methods, concepts, and studies) and practical contributions (including experiments and development of prototypes) are welcome. Additionally, survey and tutorial articles are considered. The IEEE OJCOMS received its debut impact factor of 7.9 according to the Journal Citation Reports (JCR) 2023. The IEEE Open Journal of the Communications Society covers science, technology, applications and standards for information organization, collection and transfer using electronic, optical and wireless channels and networks. Some specific areas covered include: Systems and network architecture, control and management Protocols, software, and middleware Quality of service, reliability, and security Modulation, detection, coding, and signaling Switching and routing Mobile and portable communications Terminals and other end-user devices Networks for content distribution and distributed computing Communications-based distributed resources control.
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