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http://dx.doi.org/10.12815/kits.2018.17.1.100

An Efficient Inter-Cell Interference Mitigation Scheme for Proximity Service in Cellular Networks  

Kim, Cha-Ju (Dept. of Electronics & Communications Eng., Univ. of Kangwoon)
Min, Sang-Won (Dept. of Electronics & Communications Eng., Univ. of Kangwoon)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.17, no.1, 2018 , pp. 100-113 More about this Journal
Abstract
The Proximity Service, which is one of the most popular network capacity improvement methods, uses the frequency reuse in order to increase the frequency efficiency. As a result, inter-cell interference between cellular and proximity service users occurs at a cell edge. In this paper, we proposed a mitigation scheme for inter-cell interference, where we suggested a new function of and eNB with ProSe function exchanging information about ProSe parameters and ProSe user equipment with neighboring cells via the X2 interface. As the first step, the resource which did not cause the inter-cell interference problem were pre-allocated through the frequency sensing in the ProSe direct discovery. As the next step, the inter-cell interference problem was solved by reallocating appropriate resources based on the ProSe application code, the ProSe application QoS, the ProSe application ID and validity timer in ProSe direct communication.
Keywords
Proximity Service; ProSe Function; Inter-cell Interference; Cellular Networks; Resource Relocation;
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  • Reference
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