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دسته بندی:
امنیت - Security
سال انتشار:
2017
عنوان انگلیسی مقاله:
On the security of K-tier heterogeneous cellular networks
ترجمه فارسی عنوان مقاله:
در امنیت شبکه های سلولی ناهمگن K-Lier
منبع:
Sciencedirect - Elsevier - Physical Communication, Corrected proof. doi:10.1016/j.phycom.2017.05.005
نویسنده:
Zhihao Zhong, Wenyu Luo, Jianhua Peng, Liang Jin
چکیده انگلیسی:
Article history:Received 29 October 2015Received in revised form 27 December 2016 Accepted 14 May 2017Available online xxxxKeywords:Heterogeneous cellular networks Physical layer security Stochastic geometrySecrecy coverage probabilityMotivated by recent developments in heterogeneous cellular networks and physical-layer security, we aim to characterize the fundamental limits of secure communication in networks. Based on a general model in which both transmitters and receivers are randomly scattered in space, we model the locations of K-tier base stations, users, and potential eavesdroppers as independent two-dimensional Poisson point processes. Using the proposed model, we analyze the achievable secrecy rates for an arbitrarily located mobile user. Assuming that the cell selection is based on achievable-secrecy-rate threshold, we obtain approximations for: (a) secrecy coverage probability and (b) average secrecy load per tier. We also investigate how the network performance is affected by secrecy rate threshold, eavesdropper density, and different access strategies are analyzed, respectively. Finally, our theoretical claims are confirmed by the numerical results.© 2017 Elsevier B.V. All rights reserved.
Keywords:Heterogeneous cellular networks | Physical layer security | Stochastic geometry | Secrecy coverage probability
قیمت: رایگان
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