时间色散导致网络掉话的分析处理

Analysis and solution of time dispersion to the drop call

在隧道等特殊网络环境中,光纤直放站或分布式基站往往导致多径传播,带来时间色散问题。分析时间色散产生原理及对网络的影响,并通过实际案例指出,解决此类问题:一要从规划源头避免,二可以通过变更施主小区解决。

In tunnels and other special network environments,fiber optic repeater or distributed base station easily leads to Multipath propagation,and brings up the time dispersion.The paper analyzes the reasons of time dispersion and brings up the solutions.One is making a good planning to avoid the problem,and the other is changing the host cell.