A Context Aware Cooperative Communication Method in Wireless Sensor Networks

Title
A Context Aware Cooperative Communication Method in Wireless Sensor Networks
Authors
김현덕김철기김재헌서민아이석이택진
Keywords
WSN; CoopLEACH; LEACH; Clustering; MIMO; Cooperative communication
Issue Date
2015-02
Publisher
International Journal of Distributed Sensor Networks
Citation
VOL 2015, 1-7
Abstract
severe energy consumption by the cluster heads. Furthermore, in the case where an unbalanced cluster structure is generated, the overall lifetime of the sensor networks is significantly reduced. Moreover, existing cooperative communication methods, for example, CoopLEACH, waste energy because of the unilateral cooperative communication method, which does not consider the distance between the sink and cluster heads. To solve these problems, this paper proposes a novel method that transmits and collects data according to the density of the nodes and the distance between the sink and cluster heads. Through extensive performance studies, we observed that our method is 12% more energy-efficient than CoopLEACH.
URI
http://pubs.kist.re.kr/handle/201004/49459
ISSN
15501329
Appears in Collections:
KIST Publication > Article
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