An Energy-Efficient QoS Routing Algorithm for Wireless Sensor Networks

Abstract:

For effective routing in wireless sensor networks many routing protocols have been implemented. However, transmission of data requires both energy and QoS efficient routing in order to ensure efficient usage of the sensors and effective access to the gathered measurements. An energy-efficient QoS routing algorithm for sensor networks is proposed which can also run efficiently with best-effort traffic. The algorithm finds a least-cost, delay-constrained path for realtime data in terms of link cost that captures nodes’ energy reserve, transmission energy, error rate and other communication parameters. Moreover, the throughput for non-real-time data is maximized by adjusting the service rate for both real-time and non-real-time data at the sensor nodes by using two different calculation. Simulation results have demonstrated the effectiveness of our approach for different metrics.

• Periodical: Advanced Materials Research (Volumes 562-564)
• Pages: 1297-1303
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.562-564.1297
• Online since: August 2012
• Authors: Jun Hao Wang, Xiang Rui Meng
• Keywords: Energy-Efficient QoS, Link Cost, Real-Time Traffic, Routing Algorithm, Wireless Sensor Network (WSN)

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