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Sensors 2010, 10(11), 9771-9798; doi:10.3390/s101109771
Article

MQ-MAC: A Multi-Constrained QoS-Aware Duty Cycle MAC for Heterogeneous Traffic in Wireless Sensor Networks

, , *  and
Received: 17 September 2010; in revised form: 8 October 2010 / Accepted: 15 October 2010 / Published: 1 November 2010
(This article belongs to the Section Physical Sensors)
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Abstract: Energy conservation is one of the striking research issues now-a-days for power constrained wireless sensor networks (WSNs) and hence, several duty-cycle based MAC protocols have been devised for WSNs in the last few years. However, assimilation of diverse applications with different QoS requirements (i.e., delay and reliability) within the same network also necessitates in devising a generic duty-cycle based MAC protocol that can achieve both the delay and reliability guarantee, termed as multi-constrained QoS, while preserving the energy efficiency. To address this, in this paper, we propose a Multi-constrained QoS-aware duty-cycle MAC for heterogeneous traffic in WSNs (MQ-MAC). MQ-MAC classifies the traffic based on their multi-constrained QoS demands. Through extensive simulation using ns-2 we evaluate the performance of MQ-MAC. MQ-MAC provides the desired delay and reliability guarantee according to the nature of the traffic classes as well as achieves energy efficiency.
Keywords: multi-constrained QoS; heterogeneous traffic; duty cycle MAC multi-constrained QoS; heterogeneous traffic; duty cycle MAC
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.

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MDPI and ACS Style

Monowar, M.M.; Rahman, M.O.; Hong, C.S.; Lee, S. MQ-MAC: A Multi-Constrained QoS-Aware Duty Cycle MAC for Heterogeneous Traffic in Wireless Sensor Networks. Sensors 2010, 10, 9771-9798.

AMA Style

Monowar MM, Rahman MO, Hong CS, Lee S. MQ-MAC: A Multi-Constrained QoS-Aware Duty Cycle MAC for Heterogeneous Traffic in Wireless Sensor Networks. Sensors. 2010; 10(11):9771-9798.

Chicago/Turabian Style

Monowar, Muhammad Mostafa; Rahman, Md. Obaidur; Hong, Choong Seon; Lee, Sungwon. 2010. "MQ-MAC: A Multi-Constrained QoS-Aware Duty Cycle MAC for Heterogeneous Traffic in Wireless Sensor Networks." Sensors 10, no. 11: 9771-9798.


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