电力无线专网中基于频谱检测的SDR技术  

Spectrum detection based software defined radio in power private wireless network

作　　者：王继业[1] 赵东艳[2,3] 原义栋[2,3] 毛敏[4] 靳嘉桢 

机构地区：[1]国家电网公司,北京100031 [2]北京智芯微电子科技有限公司国家电网公司重点实验室电力芯片设计分析实验室,北京100192 [3]北京智芯微电子科技有限公司北京市电力高可靠性集成电路设计工程技术研究中心,北京100192 [4]北京邮电大学,北京100876

出　　处：《电子技术应用》2017年第4期102-106,共5页Application of Electronic Technique

摘　　要：230 MHz电力无线专网系统作为目前电力负荷管理系统的主要构成部分之一,随着服务面的扩展和服务量的增大,传输速率低下、频谱资源浪费的缺点日益突出。频谱检测机制能够有效地搜索未使用的频谱空穴,而软件无线电可以充分利用检测到的频谱空穴并有效地提高频带利用率。提出了一种针对电力无线专网的基于频谱检测的软件无线电技术,结合电力无线专网230 MHz频段特点设计了通信系统中收发信机的数字电路,并通过MATLAB仿真验证了方案在在频谱检测上的性能表现。Power private wireless network on 230 MHz is an important part of the power load management system, however, along with the expanding of service range and the increasing of service volume, its shortcomings of low transmission rate and low spectrum efficiency stand out. Spectrum detection mechanism can effectively find out the idle spectra, while the software defined radio can fully make use of the detected spectrum holes and thus raise the spectrum efficiency. Accordingly, the paper proposes an implementation applying spectrum detection based software defined radio technology into the power private wireless networks. Take the 230 MHz private spectrum of power system for example, the digital circuit of the transceiver in the communication system in accordance with its spectrum characteristics is designed, and performance on spectrum detection is tested and verified through MATLAB at last.

关 键 词：电力无线专网 频谱检测 软件无线电 收发机 频谱利用率 

分 类 号：TN915[电子电信—通信与信息系统]