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Volume 34 Issue 1
Feb.  2012
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Liao Yong, Yang Shi-Zhong, Chen Xu-Hong, Cheng Jin-Bo, Peng Xiao-Qin. Analysis and Simulation of the Transmission Radius of the Cognitive Network Primary User under Limited Throughput[J]. Journal of Electronics & Information Technology, 2012, 34(1): 1-6. doi: 10.3724/SP.J.1146.2011.00493
Citation: Liao Yong, Yang Shi-Zhong, Chen Xu-Hong, Cheng Jin-Bo, Peng Xiao-Qin. Analysis and Simulation of the Transmission Radius of the Cognitive Network Primary User under Limited Throughput[J]. Journal of Electronics & Information Technology, 2012, 34(1): 1-6. doi: 10.3724/SP.J.1146.2011.00493

Analysis and Simulation of the Transmission Radius of the Cognitive Network Primary User under Limited Throughput

doi: 10.3724/SP.J.1146.2011.00493
  • Received Date: 2011-05-25
  • Rev Recd Date: 2011-08-29
  • Publish Date: 2012-01-19
  • This paper concerns the concurrent communication interference problem that cognitive user conducts to primary users receiver under cognitive radio network. Adopted the Information theory viewpoint, it analyzes the interference power that cognitive user conducts to primary users receiver under the restrictive condition of a throughput threshold and communication outage probability for primary user. Moreover, it cites the Markov inequality to deduce out the domain of primary users transmission radius. Meanwhile, numerical analysis indicates that under certain conditions the correlation of the average throughput of primary user, the accessed number of cognitive user and primary users transmission radius is quantitatively mutual restriction. Eventually, this paper develops a network simulation platform for cognitive radio based on outage probability and analyzes the practical function relation between primary users throughput and transmission radius under different density of cognitive user, which validates the rationality and correctness of the model.
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  • Tarokh V. New Directions in Wireless Communications Research [M]. New York: Springer, 2009: 251-289.[2] Vu M, Devroye N, Sharif M, et al.. Scaling laws of cognitive networks[C]. Proceedings of the 2nd International Conference on Cognitive Radio Oriented Wireless Networks and Communications, Orlando, FL, United States, Aug. 1-3, 2007: 2-8.[3] Vu M, Devroye N, and Tarokh V. On the primary exclusive region of cognitive networks [J]. IEEE Transactions on Wireless Communications, 2009, 8(7): 3380-3385.[4] Vu M and Tarokh V. Scaling laws of single-hop cognitive networks[J]. IEEE Transactions on Wireless Communications, 2009, 8(8): 4089-4097.[5] Vu M, Devroye N, and Tarokh V. An overview of scaling laws in Ad hoc and cognitive radio networks [J]. Wireless Personal Communications, 2008, 45(3): 343-354.[6] Jeon Sang-woon, Devroye N, Vu M, et al.. Cognitive networks achieve throughput scaling of a homogeneous network[J]. IEEE Transactions on Information Theory, 2011, 57(8): 5103-5115.[7] Yin Chang-chuan, Gao Lang, and Cui Shu-quang. Scaling laws for overlaid wireless networks: a cognitive radio network versus a primary network[J]. IEEE/ACM Transactions on Networking, 2010, 18(4): 1317-1329.[8] Rabbachin A, Quek T Q S, Shin Hyun-dong, et al.. Cognitive network interference[J]. IEEE Journal on Selected Areas in Communications, 2011, 29(2): 480-493.[9] Xie Min, Zhang Wei, and Wong Kai-kit. A geometric approach to improve spectrum efficiency for cognitive relay networks[J]. IEEE Transactions on Wireless Communications, 2010, 9(1): 268-281.[10] Cheowtirakul D. Simulation of large-scale Ad hoc cognitive radio networks [D]. USA California: University of California at Davis, 2009.
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