基于光载分布式天线的认知无线电系统中无线资源管理关键技术研究的中期报告.docx

基于光载分布式天线的认知无线电系统中无线资源管理关键技术研究的中期报告 摘要： 认知无线电是目前无线通信领域的研究热点之一。在基于光载分布式天线的认知无线电系统中，如何有效地管理无线资源是一个关键问题。本文重点研究了无线资源管理的关键技术，并给出了相应的实验结果。 首先，本文介绍了基于光载分布式天线的认知无线电系统的基本原理和系统模型，并详细描述了无线资源管理的架构。然后，本文讨论了频谱感知技术及其在无线资源管理中的应用。接着，本文研究了资源分配和功率控制技术，并提出了一种自适应的资源分配算法和一种基于距离的功率控制算法。最后，本文给出了一些实验结果，验证了所提出的算法的有效性和可行性。 关键词：认知无线电，光载分布式天线，无线资源管理，频谱感知，资源分配，功率控制 Abstract: Cognitive radio is one of the hot research topics in the field of wireless communication. In the cognitive radio system based on optical carrier distributed antenna, how to effectively manage wireless resources is a key issue. This paper focuses on the key technologies of wireless resource management and provides corresponding experimental results. Firstly, this paper introduces the basic principle and system model of cognitive radio system based on optical carrier distributed antenna, and describes the architecture of wireless resource management in detail. Then, this paper discusses the spectrum sensing technology and its application in wireless resource management. Next, the paper studies the resource allocation and power control technology, and proposes an adaptive resource allocation algorithm and a distance-based power control algorithm. Finally, the paper presents some experimental results to verify the effectiveness and feasibility of the proposed algorithms. Keywords: cognitive radio, optical carrier distributed antenna, wireless resource management, spectrum sensing, resource allocation, power control