Secrecy of Communications in Data Transmission by Impulses with Unknown Moments of Appearance and Disappearance
- سال انتشار: 1398
- محل انتشار: ماهنامه بین المللی مهندسی، دوره: 32، شماره: 4
- کد COI اختصاصی: JR_IJE-32-4_012
- زبان مقاله: انگلیسی
- تعداد مشاهده: 350
نویسندگان
International Laboratory of Statistics of Stochastic Processes and Quantitative Finance, National Research Tomsk State University, Tomsk, Russia|Department of Higher Mathematics and System Analysis, Faculty of Electrical Engineering, Maikop
Department of Electronics and Nanoelectronics, Faculty of Electrical Engineering, National Research University MPEI , Moscow, Russia
Department of Structural Mechanics and Applied Mathematics, Faculty of Civil Engineering, University of Zilina, Slovak Republic
Department of Radio Physics, Faculty of Physics, Voronezh State University, Voronezh, Russia
چکیده
We carried out a comparative analysis of the algorithms for detecting a rectangular impulse against Gaussian white noise under either authorized or unauthorized access to the transmitted data. We presupposed that for data transmission the binary communication system is used and that the useful information in the data is whether the signal is present or absent. The case is that unauthorized access by the outsider takes place in the situation when the signal parameters are completely or partially unknown. We then define the degree of the transmitted data secrecy by the secrecy ratio determining how highly the threshold signal-to-noise ratio increases when there is the unauthorized access instead of the authorized one.کلیدواژه ها
Rectangular Impulse, Signal Detection, Authorized Access, Unauthorized Access, Threshold Signal-to Noise Ratio, Error Probabilitiesاطلاعات بیشتر در مورد COI
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