LASER: A load-aware spectral-efficient routing metric for path selection in IEEE 802.16j multi-hop relay networks

doi:10.1016/j.compeleceng.2012.02.005

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Title:	LASER: A load-aware spectral-efficient routing metric for path selection in IEEE 802.16j multi-hop relay networks
Authors:	Wang, Sheng-Shih;Lien, Chan-Ying;Liao, Wen-Hwa;Shih, Kuei-Ping
Contributors:	淡江大學資訊工程學系
Date:	2012-07
Issue Date:	2013-05-23 09:38:53 (UTC+8)
Publisher:	Kidlington: Pergamon
Abstract:	For coverage extension and throughput enhancement, the IEEE 802.16j task group has developed a novel multi-hop relay network architecture to enable typical IEEE 802.16 networks to achieve data transmission between base stations and mobile stations via a multi-hop path with relay stations deployment. How to determine an effective path for throughput gain and overhead reduction is emerging and crucial in IEEE 802.16 multi-hop relay networks. This paper introduces a load-aware spectral-efficient routing metric, called LASER, to evaluate paths, and proposes an efficient scheme to determine a proper path. Based on the LASER metric, the proposed path selection scheme formulates the path cost as the summation of cost of each link, and the path with the minimum cost will be selected as the appropriate one. Simulation results show that the proposed LASER-based path selection scheme significantly outperforms existing path selection schemes in network throughput and map overhead.
Relation:	Computers and Electrical Engineering 38(4), pp.953-962
DOI:	10.1016/j.compeleceng.2012.02.005
Appears in Collections:	[Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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