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학술대회 Research on Design of LTE-Based High-Speed Railway Networks in Korea: Current and Emerging Issues
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저자
최진규, 조한벽, 오현서, 김경호, 류흥균
발행일
201505
출처
International Conference on Future Information Technology (FutureTech) 2015 (LNEE 354), v.354, pp.153-159
ISSN
1876-1100
DOI
https://dx.doi.org/10.1007/978-3-662-47895-0_19
협약과제
14GC2400, 철도전용 무선통신망 표준화 연구, 조한벽
초록
In this paper firstly current state and progress of LTE-based public safety network construction project is described, secondly emerging issues with designing LTE high-speed railway network are discussed, and finally a conclusion and future works are addressed. Two LTE networks are several similar features of LTE for public safety based radio access technology, 700 MHz frequency band, 10 MHz bandwidth, and nationwide deployment. Since the inter-network interference can cause the call disconnection with wireless train control which results in a fatal train accident, it is the most important thing at present for designing and planning LTE railway network to eliminate?봭ot to mitigate or reduce?봳he radio interference, and therefore in our view it urgently needs to secure the reliability and survivability of the wireless train control system when we design and deploy both LTE networks together.
KSP 제안 키워드
700 MHz, Construction Project, Current state, Emerging issues, Inter-network interference, LTE Railway Network, LTE network, MHz bandwidth, Public Safety Network, Radio Access Technologies, Train accident