Abstract

Most of the existing routing protocols for Wireless Sensor Networks (WSN) consider homogeneous nodes wherein all sensor nodes have the same capabilities in terms of sensing, communication and computation capabilities. However, a homogeneous sensor network may suffer from poor performance and scalability. This paper presents an ant-based QoS routing protocol for Heterogeneous Wireless Sensor Networks (HWSN). The key feature of the protocol is its ability to meet diverse QoS requirements posed by different kinds of traffic generated due to heterogeneous nature of nodes thus maximizing network performance and its utilization. We have evaluated and compared the proposed novel solution with EEABR and AODV for environments of dynamic topology.

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