Minsuk Choi, Byungsik Yoon, Dongjoon Kim, Dongil Sung
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引用次数: 3
Abstract
LTE-R (Long Term Evolution Railway) communication problems occur due to high-speed trains, structures around railway tracks, and tunnels. To solve this problem, various studies such as dual system construction and multi-pass are being conducted. However, problems such as cost increase and the occurrence of blockage areas remain issues to be resolved. To solve this problem, in this paper, we intend to apply the IAB (Integrated Access and Backhaul) technology discussed in The 3rd Generation Partnership Project (3GPP) standard to the railway wireless communication network. By installing an IAB node in an area where communication failure is expected, it is possible to provide a stable train communication environment by supplementing the communication failure problem through relay communication between the train and the IAB node.
LTE-R(长期演进铁路)通信问题是由高速列车、铁路轨道周围的结构、隧道引起的。为了解决这一问题，人们正在进行双体系建设、多通道等各种研究。然而，成本增加和堵塞区域的发生等问题仍然是有待解决的问题。为了解决这一问题，本文打算将第三代合作伙伴计划(3GPP)标准中讨论的IAB (Integrated Access and Backhaul)技术应用到铁路无线通信网络中。通过在可能出现通信故障的区域安装IAB节点，通过列车与IAB节点之间的中继通信补充通信故障问题，可以提供稳定的列车通信环境。
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