Retraction: Adaptive double threshold energy detection based on Markov model for cognitive radio
Authors:
Published in the journal:
PLoS ONE 14(9)
Category:
Retraction
doi:
https://doi.org/10.1371/journal.pone.0222624
Following publication of this article [1], concerns were raised regarding substantial overlap in the equations and data with work reported in a previous publication by some of the same authors [2], which was not cited or discussed.
Following evaluation by a member of the Editorial Board, it was determined that the approach and majority of the analyses in the PLOS ONE article are reported in [2]. Additionally, it was noted that there is some text overlap in the “Markov model based on time-varying parameters for spectrum occupancies” section compared with a number of previously published works by other authors [3–5]; that a number of equations as well as Algorithm 1 are equivalent or similar to those reported in [3]; and that the unique contribution of this work [1] in the context of existing literature is not accurately and clearly identified.
In light of the concerns about substantial redundancy of this work, the PLOS ONE Editors retract the article.
The authors did not comment on the retraction decision or could not be reached.
Zdroje
1. Liu Y, Liang J, Xiao N, Yuan X, Zhang Z, Hu M, et al. Adaptive double threshold energy detection based on Markov model for cognitive radio. PLOS ONE. 2017; 12(5): e0177625. https://doi.org/10.1371/journal.pone.0177625 28520782
2. Liu Y, Jun LIANG, Xiao N, Hu Y, Hu M. Dynamic Double Threshold Energy Detection Based on Markov Model in Cognitive Radio. Journal of Electronics and Information Technology. 2016; 38(10): 2590–2597. doi: 10.11999/JEIT151400
3. Datla D, Rajbanshi R, Wyglinski AM, Minden GJ. "An adaptive spectrum sensing architecture for dynamic spectrum access networks", IEEE Transactions on Wireless Communications. 2009; 8(8): 4211–4219. doi: 10.1109/TWC.2009.080989
4. Datla D. Spectrum Surveying for Dynamic Spectrum Access Networks. M. Sc. Thesis, University of Kansas. 2007. Available from: http://129.237.125.27/research/thesis/documents/dinesh_datla_thesis.pdf
5. Bagwari A, Tomar GS, and Verma S. "Cooperative Spectrum Sensing Based on Two-Stage Detectors With Multiple Energy Detectors and Adaptive Double Threshold in Cognitive Radio Networks", Canadian Journal of Electrical and Computer Engineering. 2013; Oct; 36(4): 172–180. doi: 10.1109/CJECE.2014.2303519
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