随着高速铁路的建设和4G移动网络的逐渐成熟,越来越多的商务人士开始选择高铁出行,按照目前高铁的运营现状与发展趋势,随着中国移动的TD-LTE的大规模建设,列车上的LTE手机用户也越来越多,随着用户数的增加,容量开始成为用户体验的瓶颈。本文旨在讨论高铁专网采用双频组网扩容方式来提升用户感知。 With the construction of high-speed railway and the gradual maturity of 4G mobile network, more and more business people have begun to choose high-speed rail travel. According to the current operation status and development trend of high-speed rail, with the large-scale construction of China Mobile’s TD-LTE, LTE mobile phone users on the more and more, as the number of users increases, the capacity began to become the bottleneck of user experience. This article aims to discuss the high-speed rail private network using dual-band network expansion approach to enhance user perception.