Abstract
Providing
reliable and efficient communication under fading channels is one of the major technical
challenges in wireless sensor networks (WSNs), especially in industrial WSNs
(IWSNs) with dynamic and harsh environments. In this work, we present the
Reliable Reactive Routing Enhancement (R3E) to increase the resilience to link
dynamics for WSNs/IWSNs. R3E is designed to enhance existing reactive routing
protocolsto provide reliable and energy-efficient packet delivery against the
unreliable wireless links by utilizing the local path diversity. Specifically,
we introduce a biased back off scheme during the route-discovery phase to find
a robust guide path, which can provide more cooperative forwarding
opportunities. Along this guide path, data packets are greedily progressed
toward the destination through nodes’ cooperation without utilizing the location
information. Through extensive simulations, we demonstrate that compared to
other protocols, R3E remarkably improves the packet delivery ratio, while
maintaining high energy efficiency and low delivery latency.
Domain: Networking
Language: MATLAB
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