[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.6109/jicce.2010.8.2.223

QA-MAC: QoS-Aware MAC Protocol for Wireless Sensor Networks

Kim, Seong-Cheol (Division of Computer Science, Sangmyung University)
Park, Hyun-Joo (Division of Computer Science, Sangmyung University)

Publication Information

Journal of information and communication convergence engineering / v.8, no.2, 2010 , pp. 223-227 More about this Journal

Abstract

In this paper, we present a QoS-aware MAC protocol (QA-MAC) for cluster based wireless sensor networks (WSNs). QA-MAC is a TDMA-based scheduling protocol that minimizes the energy consumption in multi-hop WSNs and provides Quality of Service (QoS). A dynamic scheduling algorithm according to the number of member nodes, node traffics, and traffic priorities is suggested. The selected cluster head allocates time slots for all member nodes in the first TDMA schedule period of each round. During the second schedule period in each round, the cluster head makes a schedule for all data transmission. The proposed QA-MAC (QoS-Aware MAC) could save energy, reduce transmission delay, and support QoS.

Keywords

Wireless Sensor Network; MAC protocol; TDMA; QoS;

Citations & Related Records

Reference

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