摘要
介绍了高速铁路覆盖场景下多普勒效应的影响,描述了跨站址引发的正负多普勒频移现象,分析了终端处理多普勒频移的机制,给出了产生掉话的可能原因,最后提出了相应的解决方案。
This paper introduced the Doppler effect in high speed railway, described the positive/negative Doppler frequency shift due to the inter-site combination, analyzed the source which may lead to call drop. At the end, this paper presents the solution for avoid the call drop of inter-site combination.
出处
《电信网技术》
2013年第1期83-86,共4页
Telecommunications Network Technology
