Power-and-Bandwidth Efficient Cooperative Transmission Protocol in Wireless Sensor Networks


The KIPS Transactions:PartC, Vol. 13, No. 2, pp. 185-194, Apr. 2006
10.3745/KIPSTC.2006.13.2.185,   PDF Download:

Abstract

In this paper, we first propose a power-and-bandwidth efficient cooperative transmission protocol where a sensor node assists two others for their data transmission to a clusterhead in WSNs (Wireless Sensor Networks) using LEACH (Low-Energy Adaptive Clustering Hierarchy). Then we derive its closed-form BER expression which is also a general BER one for the decode-and-forward protocol (DF) and prove that the proposed protocol performs the same as the conventional DF but obtains higher spectral efficiency. A variety of numerical results reveal the cooperation can save the network power up to 11dB over direct transmission at BER of 10-3.


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Cite this article
[IEEE Style]
H. Y. Kong, J. H. Choi, H. J. Jeong, "Power-and-Bandwidth Efficient Cooperative Transmission Protocol in Wireless Sensor Networks," The KIPS Transactions:PartC, vol. 13, no. 2, pp. 185-194, 2006. DOI: 10.3745/KIPSTC.2006.13.2.185.

[ACM Style]
Hyung Yun Kong, Jeong Ho Choi, and Hwi Jae Jeong. 2006. Power-and-Bandwidth Efficient Cooperative Transmission Protocol in Wireless Sensor Networks. The KIPS Transactions:PartC, 13, 2, (2006), 185-194. DOI: 10.3745/KIPSTC.2006.13.2.185.