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Appl. Sci. 2016, 6(10), 274; doi:10.3390/app6100274

Multi-Objective Resource Allocation Scheme for D2D Multicast with QoS Guarantees in Cellular Networks

1
Department of Mathematics and Computer Science, Changsha University, Changsha 410022, China
2
School of Information Engineering, Wuhan University of Technology, Wuhan 430070, China
*
Author to whom correspondence should be addressed.
Academic Editor: Christos Verikoukis
Received: 27 August 2016 / Revised: 15 September 2016 / Accepted: 19 September 2016 / Published: 24 September 2016
(This article belongs to the Special Issue Green Wireless Networks)
View Full-Text   |   Download PDF [2021 KB, uploaded 24 September 2016]   |  

Abstract

Device-to-device (D2D) multicast communication can greatly improve the spectrum utilization in a content delivery scenario. However, the co-channel interference and power consumption brought by D2D bring new challenges. All the D2D multicast groups expect to achieve a higher system capacity with less extra energy cost. In this paper, we investigate the uplink resource allocation issue when D2D multicast groups share the resources with other cellular uses (CUs), while guaranteeing a certain level of quality of service (QoS) to CUs and D2D users. Firstly we address a flexible tradeoff framework in which the system power consumption and the system capacity (i.e., the number of admitted D2D links) are assigned with different weight factors so that these two objectives are jointly considered. Then we propose an efficient resource optimization scheme, which comprises sub-channel allocation and signal-to-interference- plus-noise ratio (SINR) assignment. Numerical results validate the effectiveness of the proposed framework, and demonstrate the advantages in dealing with the proposed multi-objective optimization problem. View Full-Text
Keywords: cellular network; multiple device-to-device (D2D) communication; uplink resource sharing; sub-channel allocation cellular network; multiple device-to-device (D2D) communication; uplink resource sharing; sub-channel allocation
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Li, F.; Zhang, Y.; Aide Al-Qaness, M.A. Multi-Objective Resource Allocation Scheme for D2D Multicast with QoS Guarantees in Cellular Networks. Appl. Sci. 2016, 6, 274.

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