4G网络高铁覆盖关键技术与优化体系  

Key Technologies and Optimization Systems for 4G Network High-speed Rail Coverage

作　　者：梁晓燕 LIANG Xiao-yan(China Telecom Inner Mongolia Branch,Inner Mongolia Hohhot,Hohhot 010020,China)

机构地区：[1]中国电信股份有限公司内蒙古分公司,内蒙古呼和浩特010020

出　　处：《通信电源技术》2020年第15期277-279,282,共4页Telecom Power Technology

摘　　要：多普勒频移大小区重选、切换频繁以及穿透损耗大,是高铁覆盖优化的难题。因此,从LTE高铁覆盖的关键技术和优化体系两个方面进行LTE高铁优化,以全面优化高铁网络覆盖能力,提升网络性能和用户感知。Large Doppler frequency shifts,frequent cell reselections,handovers,and large penetration loss are the main challenges for high-speed rail coverage optimization.This article analyzes the optimization of LTE high-speed rail from two aspects:the key technologies and optimization system of LTE high-speed rail coverage,to fully optimize the high-speed rail network coverage capability,and improve network performance and user perception.

关 键 词：高铁覆盖 关键技术 优化体系 

分 类 号：TN9[电子电信—信息与通信工程]