Volga District State Academy of Telecommunications and Informatics

Samara, Russia

Volga District State Academy of Telecommunications and Informatics

Samara, Russia
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Denisova T.B.,Volga District State Academy of Telecommunications and Informatics
Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika) | Year: 2010

A review of problems and approaches to optimal control of the quality of network service is given. Regenerative modeling, quality functional optimization, and sequential algorithms of optimal control are analyzed and compared. © 2010 Begell House, Inc.


Gavlievskii S.L.,Volga District State Academy of Telecommunications and Informatics
Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika) | Year: 2010

Ratios allowing building analytical models, describing the flows on the branches and nodes of a network with a ring topology in the form of a system of linear algebraic equations, the solution of which gives a series of useful characteristics for systemic analysis, are given. © 2010 by Begell House, Inc.


Maslov O.N.,Volga District State Academy of Telecommunications and Informatics | Ryabushkin A.V.,Volga District State Academy of Telecommunications and Informatics
Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika) | Year: 2012

The results of experimental investigations of a complex random antenna (RA) comprised of elements emitting a harmonic and a noise signal, are given. Spectral oscillograms of signals emitted by the RA in various operations modes are presented. It is demonstrated that a signal of a complex RA is generated by the basic and spurious emissions of its elements, intermodulation (IM) conversion products and electromagnetic background in the room, where the RA is located. Investigation methods and quantitative criteria for evaluation of the second-order IM conversion products in a complex RA are proposed. The materials given in this article represent the reference data for studying RAs by means of a computer statistical simulation method. RA investigation and simulation modeling are required for solution of problems related to ensuring of electromagnetic compatibility and safety of radioelectronic devices as well as for confidential information protection. © 2012 by Begell House, Inc.

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