On the perspective transformation for efficient relay placement in wireless multicast networks

Vien, Quoc-Tuan and Nguyen, Huan X. and Barn, Balbir and Tran, Xuan-Nam (2015) On the perspective transformation for efficient relay placement in wireless multicast networks. IEEE Communications Letters, 19 (2). pp. 275-278. ISSN 1089-7798

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Abstract

This letter investigates the relay placement problem in wireless multicast networks consisting of multiple sources, relays, and destinations. The data transmission from the sources to the destinations is carried out via the relays employing physical-layer network coding technique. Hybrid automatic repeat request protocol with incremental redundancy is applied for reliable communication. In particular, considering a general setting of nodes in irregularly shaped network, an efficient relay placement algorithm is proposed based on perspective transformation technique to find optimal relay positions for minimizing either the total energy consumption or the total delay in the whole network. The proposed algorithm not only helps reduce the relay searching complexity but also facilitates the relay placement for optimizing networks of any shape.

Item Type: Article
Research Areas: A. > School of Science and Technology > Computer and Communications Engineering
Item ID: 14351
Notes on copyright: © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Depositing User: Quoc-Tuan Vien
Date Deposited: 27 Feb 2015 14:34
Last Modified: 12 Sep 2018 21:22
URI: http://eprints.mdx.ac.uk/id/eprint/14351

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