Research on Co-Channel Interference Analysis of Jointly Deployed LTE-Based Railway Communication Systems and Public Safety Communication Systems and Their Coexistence Strategy 


Vol. 42,  No. 6, pp. 1276-1284, Jun.  2017
10.7840/kics.2017.42.6.1276


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  Abstract

This paper studies co-channel interference issues caused by the joint deployment of the long-term evolution (LTE)-based railroad radio communication network (LTE-R) and the national disaster public safety communication network (PS-LTE). First, we examine the co-channel interference scenarios that occur when LTE-R and PS-LTE are jointly deployed in the same area, and investigate the application of the interference mitigation techniques defined in the LTE standard specifications. Radio access network sharing (RAN-Sharing), intercell interference coordination (ICIC), and coordinated multipoint (CoMP) solutions are applied to mitigate radio interference between LTE-R and PS-LTE and improve coexistence. We demonstrate user throughput performance under LTE-R and PS-LTE co-deployment environments through system-level-simulator (SLS) and verify how coexistence improves when RAN-Sharing, ICIC and CoMP are applied for interference mitigation.

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  Cite this article

[IEEE Style]

H. Cho, H. Kim, I. Sohn, "Research on Co-Channel Interference Analysis of Jointly Deployed LTE-Based Railway Communication Systems and Public Safety Communication Systems and Their Coexistence Strategy," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 6, pp. 1276-1284, 2017. DOI: 10.7840/kics.2017.42.6.1276.

[ACM Style]

Hanbyeog Cho, Hokyom Kim, and Illsoo Sohn. 2017. Research on Co-Channel Interference Analysis of Jointly Deployed LTE-Based Railway Communication Systems and Public Safety Communication Systems and Their Coexistence Strategy. The Journal of Korean Institute of Communications and Information Sciences, 42, 6, (2017), 1276-1284. DOI: 10.7840/kics.2017.42.6.1276.

[KICS Style]

Hanbyeog Cho, Hokyom Kim, Illsoo Sohn, "Research on Co-Channel Interference Analysis of Jointly Deployed LTE-Based Railway Communication Systems and Public Safety Communication Systems and Their Coexistence Strategy," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 6, pp. 1276-1284, 6. 2017. (https://doi.org/10.7840/kics.2017.42.6.1276)

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pISSN : 1226 - 4717
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