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Distributed Resource Allocation for D2D Communications Underlay Cellular Networks

In order to enable the benefits of device-to-device (D2D) communications underlay cellular networks, two fundamental problems need to be addressed: 1) how to control the interference to guarantee the quality-of-service (QoS) of cellular user and 2) how to allocate transmit powers among D2D pairs to...

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Bibliographic Details
Published in:IEEE communications letters 2016-05, Vol.20 (5), p.942-945
Main Authors: Hoang-Hiep Nguyen, Hasegawa, Mikio, Won-Joo Hwang
Format: Article
Language:English
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Summary:In order to enable the benefits of device-to-device (D2D) communications underlay cellular networks, two fundamental problems need to be addressed: 1) how to control the interference to guarantee the quality-of-service (QoS) of cellular user and 2) how to allocate transmit powers among D2D pairs to maximize the data rate. In this letter, we propose a distributed resource allocation to resolve these problems. Specifically, the interference from D2D transmissions to cellular users is coordinated using a pricing scheme, while a D2D pair competes with other pairs to efficiently reuse the available spectrum. We model this competition using a non-cooperative power control game and propose a distributed update rule to reach the Nash equilibrium. Simulation is provided to evaluate the performance of the proposed algorithm.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2015.2498925