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- Title
Research on Application Scenarios of Mobility Enhancement Technology in 5G-R Network.
- Authors
Chen Tingde; Wang Hailong; Chen Yu
- Abstract
Ultra-Reliable and Low-latency Communication (URLLC) is one of the three major characteristics of 5G mobile communication systems, and mobility enhancement is a key technology to achieve ultra-high reliability and low-latency characteristics. The 5G for Railways (5G-R) network also has those requirements, to provide reliable connectivity and enhanced performance for safe and efficient railways. During the high-speed operation of trains, the user equipment (UE) needs to continuously handover between adjacent cells. This paper mainly discusses the application scenarios of three functions of the mobility enhancement technology, conditional handover, dual active protocol stack and fast handover failure recovery, in the 5G-R network. According to the working mechanism of these three functions and the characteristics of the 5G-R network coverage model, this paper believes that the dual active protocol stack and fast handover failure recovery have good application value in reducing service interruption delay and ensuring train operation safety.
- Subjects
PHYSICAL mobility; CHARACTERISTIC functions; MOBILE communication systems; HIGH speed trains; TRAIN delays &; cancellations; INTERNET protocol version 6
- Publication
Railway Signalling & Communication Engineering, 2024, Vol 21, Issue 1, p42
- ISSN
1673-4440
- Publication type
Article
- DOI
10.3969/j.issn.1673-4440.2024.01.008