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Certain Key Technologies Research On Indoor Distributed Antenna System

Abstract

分布式天线系统是解决室内覆盖方案的有效途径,信道仿真模型、天线选择和预编码设计三个关键技术是影响室内分布式天线系统性能的重要因素,研究室内分布式天线系统的关键技术,具有重要理论及实际应用价值。 本文在研究室内分布式天线系统及其结构的基础上,对于具体室内分布式天线系统应用场景,综合考虑路径损耗、功率覆盖、小尺度衰落、大尺度衰落等多种无线衰落特性,结合分布式多天线发射天线间隔较大和相关性较低的特点,建立室内分布式天线系统信道模型,采用角域参数进行天线选择和预编码设计,并与Kronecker相关模型比较。仿真实验表明:该模型稳定性好、反馈量小并且仿真复杂度可容忍,该信道统计模型的准确性确保了仿真结...The Distributed Antenna System (DAS) is an effective way to solve the indoor coverage problem. The channel simulation model, antenna selection and pre-coding design such key technologies performance an important factor to indoor DAS. That’s showed important theoretical and practical value to research the three key technologies. On the basis of research about indoor DAS and its structure, we ta...学位:工学硕士院系专业:信息科学与技术学院_电路与系统学号:2312010115294

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