• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Resource Allocation for D2D Communication in Cellular Networks Based on Stochastic Geometry and Graph-coloring Theory

Vol. 14, No. 12, December 31, 2020
10.3837/tiis.2020.12.018, Download Paper (Free):

Abstract

In a device-to-device (D2D) underlaid cellular network, there exist two types of co-channel interference. One type is inter-layer interference caused by spectrum reuse between D2D transmitters and cellular users (CUEs). Another type is intra-layer interference caused by spectrum sharing among D2D pairs. To mitigate the inter-layer interference, we first derive the interference limited area (ILA) to protect the coverage probability of cellular users by modeling D2D users’ location as a Poisson point process, where a D2D transmitter is allowed to reuse the spectrum of the CUE only if the D2D transmitter is outside the ILA of the CUE. To coordinate the intra-layer interference, the spectrum sharing criterion of D2D pairs is derived based on the (signal-to-interference ratio) SIR requirement of D2D communication. Based on this criterion, D2D pairs are allowed to share the spectrum when one D2D pair is far from another sufficiently. Furthermore, to maximize the energy efficiency of the system, a resource allocation scheme is proposed according to weighted graph coloring theory and the proposed ILA restriction. Simulation results show that our proposed scheme provides significant performance gains over the conventional scheme and the random allocation scheme.


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Cite this article

[IEEE Style]
F. Xu, P. Zou, H. Wang, H. Cao, X. Fang and Z. Hu, "Resource Allocation for D2D Communication in Cellular Networks Based on Stochastic Geometry and Graph-coloring Theory," KSII Transactions on Internet and Information Systems, vol. 14, no. 12, pp. 4946-4960, 2020. DOI: 10.3837/tiis.2020.12.018.

[ACM Style]
Fangmin Xu, Pengkai Zou, Haiquan Wang, Haiyan Cao, Xin Fang, and Zhirui Hu. 2020. Resource Allocation for D2D Communication in Cellular Networks Based on Stochastic Geometry and Graph-coloring Theory. KSII Transactions on Internet and Information Systems, 14, 12, (2020), 4946-4960. DOI: 10.3837/tiis.2020.12.018.