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针对局间呼叫时振铃前主叫早释现象进行分析,根据不同现象进行原因分析并提出相应解决方法,对局间通信网络接通率的提升有较大指导作用。提出了一种基于距离尺度变量的增强型TDOA(Time Difference of Arrival)三维定位算法。
This paper analyzes the phenomenon of early release of caller before ringing when making an inter-office call, analyzes the causes according to different phenomena and puts forward corresponding solutions, which has great guiding effect on the increase of connection rate of interoffice communication network. An enhanced TDOA (Time Difference of Arrival) 3D localization algorithm based on distance scale variables is proposed.