Performance Analysis of Adaptive Collaborative Communications in Wireless Networks


The KIPS Transactions:PartC, Vol. 13, No. 6, pp. 749-756, Oct. 2006
https://doi.org/10.3745/KIPSTC.2006.13C.6.749,   PDF Download:
Keywords: Collaborative Communications, Optimization, rayleigh fading, AWGN, ML
Abstract

Broadcast nature of wireless medium and path-loss reduction create a favourable condition for collaborative communications (CC) among single-antenna users to gain the powerful benefits of multi-antenna system without the demand for physical arrays. This paper proposes a CC strategy adapting to the propagation environment changes by optimizing the transmit signal amplification factors to simplify the structure of maximum likelihood (ML) detector and to obtain the minimum error probability as well. The closed-form BER expression was also derived and compared to the simulation results to evaluate the performance of the suggested solution. A variety of numerical results revealed the cooperation significantly outperforms non-cooperative counterpart under flat Rayleigh fading channel plus AWGN (Additive White Gaussian Noise).


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Cite this article
[IEEE Style]
K. H. Van, K. Hyung-Yun, J. Hwi-Jae, "Performance Analysis of Adaptive Collaborative Communications in Wireless Networks," The KIPS Transactions:PartC, vol. 13, no. 6, pp. 749-756, 2006. DOI: https://doi.org/10.3745/KIPSTC.2006.13C.6.749.

[ACM Style]
Khuong Ho Van, Kong Hyung-Yun, and Jeong Hwi-Jae. 2006. Performance Analysis of Adaptive Collaborative Communications in Wireless Networks. The KIPS Transactions:PartC, 13, 6, (2006), 749-756. DOI: https://doi.org/10.3745/KIPSTC.2006.13C.6.749.