基于TD-SCDMA专网的井下人员定位方案设计

基于煤矿井下特殊环境对无线通信的要求,进行了井下人员定位技术的需求分析,并以TD-SCDMA专网为支撑,提出了基于到达角AOA和时间提前量TA技术的新型人员定位方案。TD-SCDMA系统采用智能天线技术使基站Node B能够方便获得矿井人员携带终端UE的到达角,同时Node B可以根据UE提交的测量报告中的TA值计算出Node B到UE的距离,从而实现对井下人员的精确定位。通过分析比较模拟巷道中采集的测试数据,表明利用该方案可有效提高井下人员定位精度。

Design on Underground Mine Personnel Positioning Plan Based on TD-SCDMA Special Network

According to the requirements of the special environment to the wireless communication in underground mine,an analysis was conducted on the requirements of the personnel positioning technology in underground mine.With the TD-SCDMA special network as the support,a personnel positioning plan was provided based on the angle of arrival(AOA) and the time advance TA technology.The TD-SCDMA system with the intelligent antenna technology could make the Node B base station favorable to the mine personnel with the angle of arrival of UE.The Node B could calculate the distance from Node B to UE according the TA value in the measuring report provided by the UE and thus the accurate positioning of the mine personnel could be realized.With the analysis and comparison on the test data collected from the simulated roadway,the results showed that the plan applied could effectively improve the accuracy of the underground mine personnel positioning.