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A vest of multiple network systems jamming of GNSS for control of air space and area navigation


A.V. Zhuravlev – Ph. D. (Eng.), Senior Research Scientist, Main Designer – Deputy General Director,
JSC SPE «PROTEK» (Voronezh)
V.M. Besmaga – Ph. D. (Eng.), Leading Research Scientist, JSC SPE «PROTEK» (Voronezh)
V.G. Markin – Leading Engineer, JSC SPE «PROTEK» (Voronezh)
A.V. Smolin – Deputy Head of Department, JSC SPE «PROTEK» (Voronezh)

The main advantage of GNSS UE multilocational suppression systems is the opportunity of complicated volumetric suppression zones forming; a better use of energy in the system; stability and damage control increase, reliabilization of tactical mission pursuit. The realization of this advantage can be possible only with obtaining the results of aerial dimension control.
The article looks at the applicability of reflected from airspace targets interference signals to solve the problem of multilocational radar ranging in order to increase the effectivity of a multilocational system. The subject of consideration is the system which includes a UTS-synchronized control point and several jamming stations. The control point and the jamming stations are communicants of a radio network organized between them.
The deletion of enemy’s opportunity of spatial selection of navigation signals and homing weapon protection of the jamming stations sti-pulates their combat performance in the glitter mode. The glitter timing cycles are chosen with account of continuous support of the jamming environment activity towards the enemy’s GNSS UE, which is possible only with the double or triple cover of the suppression zone. The jamming stations are located in the centers of regular hexagons, in other words, geometric figures which look like combs. Each jamming station includes: a transmitter unit emitting mutually noncorrelated PSK radiointerference created by the digital method; a receiver of interference signals reflected from air objectives, which estimates the time lag and transmit the obtained results to the control point. The control point determines the location of the air objectives using the method of multilocational radar ranging.
The author offers the procedure and provides the results of air objectives detection zones calculation with a technically realizable transmitter units power. The results of the calculations confirm the possibility to use interference signals to solve the problem of mul-tilocational radar ranging.
The author looks into the feasibility of using the interference signals emitted by transmitter units of jamming stations for aircraft na-vigation. It is shown by the means of calculation, that the suppression of a local navigation system which uses interference signals produced by transmitter units of jamming stations require technically unrealizable power costs.

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June 24, 2020
May 29, 2020

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