Constructing of wireless emergency communication system for underground coal mine based on WMN technology  

作　　者：YANG Wei ZHANG Yu LIU Yang 

机构地区：[1]State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China [2]State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100044, China

出　　处：《Journal of Coal Science & Engineering(China)》2010年第4期441-448,共8页煤炭学报（英文版）

基　　金：Supported by the National Natural Science Foundation of China(50534060);the National High Technology Project of China(2007AA06Z106)

摘　　要：Based on the Wireless Mesh Network (WMN), a wireless emergency communicationsystem for underground coal mine which was designed to be capable of videosurveillance, voice communication, and environment monitoring at the same time wasproposed.The network architecture of the system was proposed, and its service model,extensible technology, medium access control, routing algorithm, channel allocation andsystem management technologies were analyzed according to the actual rescue requirementsof underground coal mine and the characteristics of underground spatial structureand radio transmissions.The relevant theories and key technologies were extracted,which would provide theoretical support for the system development.Based on the Wireless Mesh Network （WMN）, a wireless emergency communication system for underground coal mine which was designed to be capable of video surveillance, voice communication, and environment monitoring at the same time was proposed. The network architecture of the system was proposed, and its service model, extensible technology, medium access control, routing algorithm, channel allocation and system management technologies were analyzed according to the actual rescue requirements of underground coal mine and the characteristics of underground spatial structure and radio transmissions. The relevant theories and key technologies were extracted, which would provide theoretical support for the system development.

关 键 词：coal mine Wireless Mesh Network （WMN） emergency rescue communication ser- vice model 

分 类 号：TN92[电子电信—通信与信息系统] U285[电子电信—信息与通信工程]