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Sensors 2011, 11(1), 917-937; doi:10.3390/s110100917

Data-Centric Multiobjective QoS-Aware Routing Protocol for Body Sensor Networks

Department of Computer Engineering, Kyung Hee University, 1 Seocheon, Giheung, Yongin, Gyeonggi, 446-701, Korea
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Received: 18 October 2010 / Revised: 2 December 2010 / Accepted: 14 January 2011 / Published: 17 January 2011
(This article belongs to the Section Physical Sensors)
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Abstract

In this paper, we address Quality-of-Service (QoS)-aware routing issue for Body Sensor Networks (BSNs) in delay and reliability domains. We propose a data-centric multiobjective QoS-Aware routing protocol, called DMQoS, which facilitates the system to achieve customized QoS services for each traffic category differentiated according to the generated data types. It uses modular design architecture wherein different units operate in coordination to provide multiple QoS services. Their operation exploits geographic locations and QoS performance of the neighbor nodes and implements a localized hop-by-hop routing. Moreover, the protocol ensures (almost) a homogeneous energy dissipation rate for all routing nodes in the network through a multiobjective Lexicographic Optimization-based geographic forwarding. We have performed extensive simulations of the proposed protocol, and the results show that DMQoS has significant performance improvements over several state-of-the-art approaches. View Full-Text
Keywords: QoS-Aware routing; Body Sensor Networks; Lexicographic Optimization; Service differentiation; Localized routing QoS-Aware routing; Body Sensor Networks; Lexicographic Optimization; Service differentiation; Localized routing
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Razzaque, M.A.; Hong, C.S.; Lee, S. Data-Centric Multiobjective QoS-Aware Routing Protocol for Body Sensor Networks. Sensors 2011, 11, 917-937.

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