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http://dx.doi.org/10.3745/KTCCS.2015.4.1.5

FFFR-Based Resource Allocation Mechanism for Interference Mitigation of D2D Communications in LTE-Advanced Networks  

Na, Lee Han (강릉원주대학교 컴퓨터공학과)
Kim, Hyang-Mi (강릉원주대학교 컴퓨터공학과)
Kim, SangKyung (강릉원주대학교)
Publication Information
KIPS Transactions on Computer and Communication Systems / v.4, no.1, 2015 , pp. 5-10 More about this Journal
Abstract
D2D (Device-to-Device) communication underlaying LTE-advanced networks is a promising technology to improve the system capacity and spectral efficiency. By sharing the same radio resources with cellular user equipments, D2D communications can significantly enhance the overall spectral efficiency. However, it may cause interference between D2D link and cellular link. Careful resource allocation and interference coordination between cellular and D2D communications are very important and need to be properly handled. This paper proposes a radio resource allocation scheme based on FFFR (Flexible Fractional Frequency Reuse) for D2D communication underlaying cellular networks. The base station selects randomly resource blocks assigned to cellular users, and reuses them for a D2D pair. Through simulations, we have confirmed that the proposed scheme improves the system throughput, reduces the computational complexity, and mitigates the interference of D2D link and cellular link.
Keywords
D2D; Resource Allocation; FFFR; LTE-Advanced;
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Times Cited By KSCI : 1  (Citation Analysis)
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