Adaptive channel width for MASNET routeless routing protocol
CCNC'10 Proceedings of the 7th IEEE conference on Consumer communications and networking conference
Efficient geographic routeless routing protocols with enhanced location update mechanism
International Journal of Sensor Networks
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Wireless sensor networks provide distributed sensing and processing to a wide range of applications that operate in different environments. To be able to perform their in- tended duties, one of which is relaying information to other nodes in the network, a routing protocol is needed. One pos- sible building block in a routing algorithm is to use a flood- ing protocol. In this paper we present an efficient flood- ing protocol called received signal strength-aided flooding (RAF). This protocol utilises the signal strength of a re- ceived broadcast message for its rebroadcast decisions by prioritising nodes with communication links that have low reliability. The proposed protocol has a number of key fea- tures that makes it resource efficient: no additional over- head in the broadcast message; no location information; no neighbour knowledge. The simulation results show both a lower number of rebroadcast nodes and longer lifetime expectancy for RAF than that of the optimised broadcast protocol. These results and its features makes the RAF pro- tocol a good candidate to be used as a building block in more advanced wireless sensor network protocols.