Факультет інформаційних радіотехнологій і технічного захисту інформації (ІРТЗІ)
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Перегляд Факультет інформаційних радіотехнологій і технічного захисту інформації (ІРТЗІ) за темою "adaptive antenna system"
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Публікація Method of Increasing the Relative Throughput of Requesting Radar Systems(Przegląd Elektrotechniczny, 2022) Семенець, В. В.; Свид, І. В.; Обод, І. І.; Мальцев, О. С.; Wójcik, W.; Ткач, М. Г.; Старокожев, С. В.In the presented work, a method is proposed for increasing the relative throughput of requesting radar systems for monitoring airspace in which a successive transition is made from servicing a separate requester of radar systems to servicing a network of requesters. They observe this air object by forming an analysis time interval on the aircrafts responder, detecting request signals at this time interval. If at least one request signal is detected in the time analysis interval, at the end of the analysis time interval, a response signal is emitted, which includes the spatial coordinates of the given air object. This makes it possible to exclude the possibility of paralyzing an aircraft transponder by a deliberate correlated interference of the required intensity by the interested party and, as a result, to increase the relative throughput of requesting radar systems for airspace monitoring.Публікація Spatial Methods for Increasing the Bandwidth of a Mobile Information Network(TCSET, 2020) Обод, І. І.; Свид, І. В.; Мальцев, О. С.; Бакуменко, Б. В.In the presented work, a comparative analysis of the bandwidth of information networks of mobile communications is carried out, with a change in the frequency resource of the network and the spatial selectivity of the antenna systems of base stations. It was shown that the use of adaptive antenna systems at the base station allows to achieve a significantly larger increase in network bandwidth compared to an increase in the frequency resource. It is also possible to implement parallel data reception with simultaneous suppression of interfering signals and to coordinate the maximum coverage area of the base station both in the downlink and in the uplink. This allowed us to propose methods to increase the bandwidth of the information network, based on spatial and random methods, in which complex signals are used to coordinate the energy budgets of the downlink and uplink.