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공과대학
전자전기공학전공
Journal papers
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Performance Analysis of Wireless Sensor Networks with Non-coherent Cooperative Relay Nodes
Title
Performance Analysis of Wireless Sensor Networks with Non-coherent Cooperative Relay Nodes
Authors
Hwang I.
;
Kim J.-H.
;
Lee S.-R.
Ewha Authors
김정호
SCOPUS Author ID
김정호
Issue Date
2016
Journal Title
Wireless Personal Communications
ISSN
0929-6212
Citation
Wireless Personal Communications vol. 86, no. 3, pp. 1201 - 1212
Keywords
Cooperative relays
;
Energy efficiency
;
Non-coherent combining
;
Transfer capacity
;
WSNs
Publisher
Springer New York LLC
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
In this paper, a non-coherent cooperative relay node selection scheme for the wireless sensor networks has been proposed. The motivation for adopting non-coherent combining scheme is due to low complexity in a sensor node for signal detection. Its performance was evaluated in terms of the transfer capacity, the energy consumption of the interested node, and its validity of a cooperative node selection. The cooperative relay node selection was made in order to improve the intermediate wireless link between the source and the destination nodes. The energy factor was considered as a performance index of the proposed scheme. The energy factor for the interested sensor node was obtained by combining the signal of the direct path and that of the relay path. The numerical results showed that the proposed scheme can improve the transfer capacity and the energy reduction of the interested node. Moreover, it can prevent the ineffective combining of the cooperative relay node which can cause the loss of the transfer capacity and the energy consumption. © 2015, Springer Science+Business Media New York.
DOI
10.1007/s11277-015-2983-0
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