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Energy Optimisation Schemes for Wireless Sensor Network

ISSN : 2231 - 5403
Journal from gdlhub / 2017-08-14 11:52:34
Oleh : Vivekanand Jha, Elisha Chauhan, Harshpreet Kaur and Neeharika Taneja, Computer Science & Information Technology
Dibuat : 2012-07-04, dengan 1 file

Keyword : Clustering,Dominating Set,Relay Node,Sensor Node and Sink
Subjek : Energy Optimisation Schemes for Wireless Sensor Network
Url : http://airccj.org/CSCP/vol2/csit2212.pdf
Sumber pengambilan dokumen : Internet

A sensor network is composed of a large number of sensor nodes, which are densely


deployed either inside the phenomenon or very close to it. Sensor nodes have


sensing, processing and transmitting capability . They however have limited energy


and measures need to be taken to make op- timum usage of their energy and save


them from task of only receiving and transmitting data without processing. Various


techniques for energy utilization optimisation have been proposed Ma jor players are


however clustering and relay node placement. In the research related to relay node


placement, it has been proposed to deploy some relay nodes such that the sensors


can transmit the sensed data to a nearby relay node, which in turn delivers the data


to the base stations. In general, the relay node placement problems aim to meet


certain connectivity and/or survivabil- ity requirements of the network by deploying a


minimum number of relay nodes. The other approach is grouping sensor nodes into


clusters with each cluster having a cluster head (CH). The CH nodes aggregate the


data and transmit them to the base station (BS). These two approaches has been


widely adopted by the research community to satisfy the scala- bility objective and


generally achieve high energy efficiency and prolong network lifetime in large-scale


WSN environments and hence are discussed here along with single hop and multi hop


characteristic of sensor node.

Deskripsi Alternatif :

A sensor network is composed of a large number of sensor nodes, which are densely


deployed either inside the phenomenon or very close to it. Sensor nodes have


sensing, processing and transmitting capability . They however have limited energy


and measures need to be taken to make op- timum usage of their energy and save


them from task of only receiving and transmitting data without processing. Various


techniques for energy utilization optimisation have been proposed Ma jor players are


however clustering and relay node placement. In the research related to relay node


placement, it has been proposed to deploy some relay nodes such that the sensors


can transmit the sensed data to a nearby relay node, which in turn delivers the data


to the base stations. In general, the relay node placement problems aim to meet


certain connectivity and/or survivabil- ity requirements of the network by deploying a


minimum number of relay nodes. The other approach is grouping sensor nodes into


clusters with each cluster having a cluster head (CH). The CH nodes aggregate the


data and transmit them to the base station (BS). These two approaches has been


widely adopted by the research community to satisfy the scala- bility objective and


generally achieve high energy efficiency and prolong network lifetime in large-scale


WSN environments and hence are discussed here along with single hop and multi hop


characteristic of sensor node.

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