Poulose Jacob,K; Preetha Theresa, Joy(IEEE, February 16, 2014)
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Abstract:
Cache look up is an integral part of cooperative
caching in ad hoc networks. In this paper, we discuss a
cooperative caching architecture with a distributed cache look up
protocol which relies on a virtual backbone for locating and
accessing data within a cooperate cache. Our proposal consists of
two phases: (i) formation of a virtual backbone and (ii) the cache
look up phase. The nodes in a Connected Dominating Set (CDS)
form the virtual backbone. The cache look up protocol makes use
of the nodes in the virtual backbone for effective data
dissemination and discovery. The idea in this scheme is to reduce
the number of nodes involved in cache look up process, by
constructing a CDS that contains a small number of nodes, still
having full coverage of the network. We evaluated the effect of
various parameter settings on the performance metrics such as
message overhead, cache hit ratio and average query delay.
Compared to the previous schemes the proposed scheme not only
reduces message overhead, but also improves the cache hit ratio
and reduces the average delay
Description:
Advanced Communication Technology (ICACT), 2014 16th International Conference on
Poulose Jacob,K; Santhosh, Simon(International Journal of Modern Engineering Research, 2012)
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Abstract:
The evolution of wireless sensor network technology has enabled us to develop advanced systems for real time monitoring. In the present scenario wireless sensor networks are increasingly being used for precision agriculture. The advantages of using wireless sensor networks in agriculture are distributed data collection and monitoring, monitor and control of climate, irrigation and nutrient supply. Hence decreasing the cost of production and increasing the efficiency of production.This paper describes the application of wireless sensor network for crop monitoring in the paddy fields of kuttand, a region of Kerala, the southern state of India.
Description:
International Journal of Modern Engineering Research (IJMER)
www.ijmer.com Vol.2, Issue.4, July-Aug 2012 pp-2017-2020