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Self-selecting Reliable Paths for Wireless Sensor Network Routing. Computer Communications 20(in print (2008)
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BibTeX
@MISC{Babbitt08self-selectingreliable,
author = {Thomas A. Babbitt and Christopher Morrell},
title = {Self-selecting Reliable Paths for Wireless Sensor Network Routing. Computer Communications 20(in print},
year = {2008}
}
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Abstract
Routing protocols for wireless sensor networks face two challenges. One is an efficient bandwidth usage which requires minimum delay between transfers of packets. Establishing permanent routes from the source to destination addresses this challenge since the received packet can be immediately transmitted to the next node. However, any disruption on the established path either causes packet loss, lowering the delivery rate, or invokes a costly process of creating an alternative path. The second challenge is the ability to tolerate permanent and transient failures of nodes and links, especially since such failures are frequent in sensor networks. Protocols that chose the forwarding node at each hop of a packet are resilient to such failures, but incur the delay caused by selection of the forwarding node at each hop of the multi-hop path. This paper presents a novel wireless sensor routing protocol, Self-Selecting Reliable Paths (SRP) for Wireless Sensor Network (WSN) routing, that addresses both challenges at once. This protocol evolved from the Self-Selecting Routing (SSR) protocol which is essentially memory-less. In the first generation of SSR protocol each packet selects the forwarding node at each hop on its path from the source to destination. The protocol takes advantage of broadcast communication commonly used in WSNs as a communication primitive. It also uses a prioritized transmission back-off delay to uniquely identify the neighbor of the forwarder that will forward the
Keyphrases
reliable path computer communication forwarding node wireless sensor network routing wireless sensor network destination address prioritized transmission back-off delay costly process sensor network next node minimum delay efficient bandwidth usage communication primitive transient failure multi-hop path alternative path received packet permanent route second challenge novel wireless sensor broadcast communication first generation self-selecting reliable path delivery rate packet loss self-selecting routing
