SIMULATION MODELING OF TELECOMMUNICATION SYSTEMS ACCESSABILITY
DOI:
https://doi.org/10.18372/2310-5461.42.13747Keywords:
simulation modeling, Monte Carlo method, operation and maintenance, readiness coefficient, availability of telecommunication system, permanent failure, intermittent failure, mathematical modelAbstract
The article considered the telecommunication systems with permanent and intermittent failures and the main parameters for determining their accessibility. The generalized algorithm of simulation modeling of the random process of the telecommunication system equipment operation and maintenance was proposed using the Monte Carlo method. The simulation modeling of the operation and maintenance of the equipment of the telecommunication system was carried out. Duration and number of iterations were selected taking into account the infinite interval of observation of the random process. It was shown that the results of simulation modeling have high convergence of statistical and analytical results obtained during mathematical modeling of the process of operation and maintenance of equipment of the telecommunication system at the exponential distribution of the time to failure, the relative deviation did not exceed 3%. It was illustrated that the results of simulation modeling demonstrate the approximation of the readiness coefficient to its value, calculated on the analytical expression, with the increase in the number of implementations of the random operation of the maintenance and maintenance of the equipment of the telecommunications system. The proposed simulation modeling algorithm can be used both when there is the problem of establishing an analytical relationship between the parameters of the telecommunication system equipment for its accessibility determination, and for checking the adequacy of the developed mathematical models of the process of operation and maintenance of modern telecommunication systems and networks.References
Документ SP-3-0092: (Стандарт TIA-942, редакция 7.0, февраль 2005). NY. 230c.
Ulansky V., Terentyeva I. Availability modeling of a digital electronic system with intermittent failures and continuous testing. Engineering Letters. 2017. V. 25. No. 2. P. 104-111.
Prasad V. B. Computer networks reliability evaluations and intermittent faults. 1990 IEEE 33th Midwest Symp on Circuits and Systems. Vol. 1. Calga-ry, Alta. 1990. pp. 327-330.
Prasad V. B. Digital systems with intermittent faults and Markovian models. 1992 IEEE 35th Mid-west Symp on Circuits and Systems. Vol. 1. Washing-ton, 1992. pp. 195-198.
Уланский В. В., Мачалин И. А., Стратегия технического обслуживания одноблочной системы с явными и скрытыми отказами. Математические машины и системы. Т. 3/4. 2007. С. 245-256.
Nakagava T. Maintenance theory of reliability. London: Springer, 2005. 269 p.
Nakagava T. Advanced reliability models and maintenance policies. London: Springer, 2008. 234 p.
Kranitis N., Merentitis A., Laoutaris N. Op-timal periodic testing of intermittent faults in embed-ded pipeline processor applications. 2006 IEEE De-sign, Automation and Test in Europe Conf. Munich, Germany, 2006. pp. 1-6.
Raza A., Ulansky V. Assessing the impact of intermittent failures on the cost of digital avionics’ maintenance. 2016 IEEE Aerospace Conf., Big Sky (March 5-12, 2016), Montana. 2016. pp. 1-16.
Qi H., Ganesan S., Pecht M. No-fault-found and intermittent failures in electronic products. Mi-croelectronics Reliability. 2008. Vol. 48. pp. 663–674.
Уланський В. В., Терентьєва І. Є., Ма-чалін І. О. Оцінка готовності телекомунікаційних систем з різними видами відмов. Наукоємні тех-нології. 2019. Т. 41. № 1. С. 95–100.
