Titlebook: Data-Centric Business and Applications; ICT Systems—Theory, Dmytro Ageyev,Tamara Radivilova,Natalia Kryvinska Book 2021 The Editor(s) (if

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Method of Creating a Passive Optical Network Monitoring System, disadvantages are analyzed. The equipment management tools for creating a monitoring system are analyzed. The protocol and control information database were selected using the MIB-I, MIB-II, RMON MIB standards. It is proved that the selection of SNMP for management is conditioned by its simplicity

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Improving the Structural Reliability of Mobile Radio Networks Based on the Ad-Hoc Algorithms,ion of automatic transmitter power adjustment for subscriber stations using an auxiliary repeater-station can improve the electromagnetic compatibility conditions of radio equipment in communication systems with mobile objects. This measure is an effective way to economical use of the radio spectrum

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Van der Pol Oscillators Based on Transistor Structures with Negative Differential Resistance for Inegative differential resistance provides the parameter retuning expansion for the self-oscillating systems of Van der Pol oscillators up to 20…30% with operation modes being stable. The effective relative operational frequency retuning is 3.4% for the range of 880…910 MHz and 9.88% for the range of

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Quality Assessment of Measuring the Coordinates of Airborne Objects with a Secondary Surveillance Rnd fluctuation) interference on the quality of the assessment of measuring the range and azimuth of an air object by the considered information tool is evaluated. Based on the assessment of the influence of destabilizing factors, it is shown that in order to obtain higher accuracy in the range and a

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Pulse and Multifrequency Van der Pol Generators Based on Transistor Structures with Negative Differifrequency modes, the critical detuning between single-frequency and multifrequency modes, as well as lower and upper cutoff frequencies of the operating frequency band. Phase portraits, time diagrams and amplitude spectra of electrical oscillations of the Van der Pol generators in oscillatory, rela

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The Method of Redistributing Traffic in Mobile Network,round. Results provide a basis for affects both throughput and quality of service. In this paper, it is proposed to use the sector analysis method for optimizing the load distribution between base stations when predicting the coverage areas of base stations, in addition to using the frequency-spatia