基于MIMO的便携式矿用无线救灾通信中继器设计  

Design of Wireless Portable Mine Rescue Communications Repeater Based on MIMO

作　　者：张少华 

机构地区：[1]中煤科工集团重庆研究院有限公司,重庆400030

出　　处：《煤炭技术》2014年第9期214-215,共2页Coal Technology

摘　　要：分析了当前矿井无线救灾通信系统存在的问题。设计实现了一种基于MIMO技术的便携式矿井无线应急救援通信中继器,该无线中继器采用MIMO空间复用技术和智能天线技术相结合的方式有效减小了多径衰落的影响。测试结果表明比当前应用基于SISO的矿井无线应急救援通信中继器在传输距离方面有很大提升,网络通信性能有很大改善。Analysis the problems of the current mine wireless rescue communication system.Design and implementation of a MIMO-based wireless technology for portable mine emergency rescue communications repeater,the wireless repeater uses spatial multiplexing MIMO and smart antenna technology effectively reducing the effects of multipath fading.Test results show that the transmission distance far more than the current mine wireless rescue communication system＇s repeater which based on SISO,and has greatly improved performance on network communication.

关 键 词：矿井通信 WI-FI MIMO SISO 多径衰落 

分 类 号：TD655[矿业工程—矿山机电]