5G for Railways: the Next Generation Railway Dedicated Communications

by   Ruisi He, et al.

To overcome increasing traffic, provide various new services, further ensure safety and security, significantly improve travel comfort, a new communication system for railways is required. Since 2019, public networks have been evolving to the fifth generation communication (5G) worldwide, whereas the main communication system of railway is still based on the second generation communication (2G). It is thus necessary for railways to replace the current 2G-based technology with the next generation railway dedicated communication system with improved capacity and capability, and the 5G for railways (5G-R) technology is a promising solution for further intelligent railways. This article gives a review of the current developments of the next generation railway communications, followed by a discussion of the typical services that the 5G-R can provide to intelligent railways. Then, main application scenarios of 5G-R are summarized and system configurations are compared. Some key technologies of 5G-R such as network architecture, massive MIMO, millimeter-wave, multiple access scheme, ultra-reliable low latency communication, and advanced video processing are presented and analyzed. Finally, some challenges of 5G-R are highlighted.


Enabling Millimeter-Wave 5G Networks for Massive IoT Applications

Internet of Things is one of the most promising technology of the fifth-...

Experimental measurements of a joint 5G-VLC communication for future vehicular networks

One of the main revolutionary features of 5G networks is the ultra-low l...

Debunking Seven Myths about 5G New Radio

New radio (NR) is a new wireless access technology developed as part of ...

Public-Safety LTE: Communication Services, Standardization Status, and Disaster-Resilient Architecture

The fifth-generation (5G) communication systems will enable enhanced mob...

Potential Key Technologies for 6G Mobile Communications

5G wireless standard development culminated between 2017 and 2019. The f...

An Information-Theoretic View of Mixed-Delay Traffic in 5G and 6G

Fifth generation mobile communication systems (5G) have to accommodate b...

Bibliographic Analysis of the Capacity and Applicability of Li-Fi Networks

This article aims to bring a metric of capacities and applicability of L...