Resource Allocation for Device-to-Device Communications in LTE-A Network: A Stackelberg Game Theory Approach

Resource Allocation for Device-to-Device Communications in LTE-A Network: A Stackelberg Game Theory Approach

Shaoyi Xu (Beijing Jiatong University, China) and Chunmei Xia (Beijing Jiaotong University, China)
Copyright: © 2016 |Pages: 18
DOI: 10.4018/978-1-4666-8642-7.ch008
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Abstract

In the Long Term Evolution-Advanced (LTE-A) system, Device-to-device (D2D) communication underlying cellular networks can bring some advantages such as high data rates, low delay, low power consumption by reusing frequency bands with cellular user equipments (UEs). While at the same time, inter-cell and intra-cell interference is inevitable. The D2D users and cellular UEs will compete or cooperate to coordinate interference and share resources which incurs game theory an effective mathematical tool. This chapter proposed a Stackelberg game based algorithm to jointly allocate power and resources when the uplink frequency is shared with LTE-A users. In the game, the evolved NodeB (eNB) and D2D UEs are grouped to form the seller-buyer pair and the eNB sets prices to reduce the interference that it suffers meanwhile maximizes its revenue. For given specified prices, the D2D users compete for the resources to communicate with each other and reach their individual utility maximization. Simulation results prove that satisfying performance can be achieved by using the proposed mechanisms.
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Background

In this section, we first give a brief overview of D2D communications and Stackelberg game and then give the main idea of the proposed Stackelberg game based scheme.

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