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Algorithms 2015, 8(4), 1129-1142; doi:10.3390/a8041129

Efficiency Intra-Cluster Device-to-Device Relay Selection for Multicast Services Based on Combinatorial Auction

Key Lab. of Broadband Wireless Communication and Sensor Network of Hubei Province, School of Information Engineering, Wuhan University of Technology, Wuhan 430070, China
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Academic Editor: Javier Del Ser Lorente
Received: 16 July 2015 / Revised: 11 October 2015 / Accepted: 23 November 2015 / Published: 2 December 2015
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Abstract

In Long Term Evolution-Advanced (LTE-A) networks, Device-to-device (D2D) communications can be utilized to enhance the performance of multicast services by leveraging D2D relays to serve nodes with worse channel conditions within a cluster. For traditional D2D relay schemes, D2D links with poor channel condition may be the bottleneck of system sum data rate. In this paper, to optimize the throughput of D2D communications, we introduce an iterative combinatorial auction algorithm for efficient D2D relay selection. In combinatorial auctions, the User Equipments (UEs) that fails to correctly receive multicast data from eNodeB (eNB) are viewed as bidders that compete for D2D relays, while the eNB is treated as the auctioneer. We also give properties of convergency and low-complexity and present numerical simulations to verify the efficiency of the proposed algorithm. View Full-Text
Keywords: device-to-device communication; multicast services; D2D relay; combinatorial auction device-to-device communication; multicast services; D2D relay; combinatorial auction
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, Y.; Li, F. Efficiency Intra-Cluster Device-to-Device Relay Selection for Multicast Services Based on Combinatorial Auction. Algorithms 2015, 8, 1129-1142.

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