A cost-effective wireless network migration planning method supporting high-security enabled railway data communication systems

Research output: Contribution to journalArticlepeer-review


  • Tao Wen
  • Quanbo Ge
  • Xinan Lyu
  • Clive Roberts
  • Baigen Cai


As a typical railway Cyber-physical System (CPS), radio-based train control systems have been playing an increasingly important role in rail transit. The engaged network, Global System for Mobile Communications for Railway (GSM-R), which is an out-dated wireless communication technology, will be decommissioned due to diminishing support from industry, and a new generation successor, e.g. Long-Term Evolution (LTE), is urgently required to replace the current network. The radio-based train control systems must be safety critical, which relies on a high-security Data Communication System (DCS). In this paper, a novel wireless network migration methodology in DCS is proposed. By using this methodology, the high-security required DCS performance in radio-based train control systems is maintained and the network migration cost, e.g. the used number of base station (BS), is reduced when updating the GSM-R to LTE.


Original languageEnglish
JournalJournal of the Franklin Institute
Early online date27 Feb 2019
Publication statusE-pub ahead of print - 27 Feb 2019


  • railway cyber-physics system (CPS), wireless communication, data communication systems (DCS), network migration, base station (BS), deployment optimisation