MIMO-OFDM技术在矿井无线通信系统中的应用  

Application of MIMO-OFDM Technology in Mine Wireless Communication System

作　　者：陈珊珊[1] 刘广亚[1] 姚善化[1] 

机构地区：[1]安徽理工大学电气与信息工程学院,安徽淮南232001

出　　处：《煤矿机械》2013年第3期223-224,共2页Coal Mine Machinery

基　　金：安徽高校省级自然科学研究重点项目(KJ2011A077);淮南市科技计划项目(2011A07917)

摘　　要：分析了煤矿井下无线通信的特殊环境,以及无线通信系统存在的主要问题;分别介绍了MIMO技术和OFDM技术的原理;设计了基于MIMO-OFDM技术的矿井无线通信系统。仿真结果表明,采用MIMO-OFDM技术能提高系统容量,有效地减小多径衰落的影响,降低系统的误码率,提高通信系统的可靠性。This paper analyzes the special environment of wireless communication in coal mine underground and main problem of wireless communication system. The principles of MIMO technology and OFDM technology were introduced, and the mine wireless communication system based on MIMO- OFDM technology was designed. The simulation results show that using MIMO-OFDM technology can improve system capacity, reduce effectively the impact of muhipath fading, reduce system error rate, and improve the reliability of communication systems.

关 键 词：矿井通信 MIMO技术 OFDM技术 多径衰落 

分 类 号：TN821[电子电信—信息与通信工程]