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Impact of mobility and density on a cross-layer architecture for wireless sensor networks
Titre | Impact of mobility and density on a cross-layer architecture for wireless sensor networks |
Publication Type | Journal Article |
Year of Publication | 2013 |
Authors | Loutfi, A, M. Koutbi, E |
Journal | International Review on Computers and Software |
Volume | 8 |
Pagination | 1793-1800 |
Abstract | In this paper, we are interested in the service differentiation for real-time and besteffort traffics in wireless sensor networks. We present a new model that takes into account a random access in the MAC layer and a forwarding probability formulation at the network layer. We propose an approach (based on transmissions cycle) to derive the throughput of multi-hop routes and to estimate the stability of forwarding queues for real-time and best-effort traffics. We study the impact of some metric parameters: density, hop count, time, velocity and Mobility Models on the quality of service (QoS) of the studied system. In this paper, we have studied the impact these parameters on the QoS of a Wireless Sensor Network (WSN) where all nodes have a single destination (sink node). As results, we notice that the transmission probability Pi of the realtime and best-effort traffics have a great impact on the average throughput and we have also shown the correlation between the throughput and all metrics studied except for the hop count metric of best-effort streams. © 2013 Praise Worthy Prize S.r.l. - All rights reserved.
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URL | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84885905918&partnerID=40&md5=f268623b57af67104dfe63c50ea5413d |
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