A Method for Spatial Point-Focusing of Radio Wave Energy for Fifth-Generation Communication Systems
DOI:
https://doi.org/10.24160/1993-6982-2018-5-158-165Keywords:
spatial-temporal signal processing, radio wave propagation, antennasAbstract
The article considers a method for focusing the energy of electromagnetic waves at a certain point in space. The method is proposed for being used in next-generation communication systems, which is characterized by extensive use of spatial-and-time signal processing techniques. The full list of technologies that will constitute the heart of fifth-generation communication systems has not been defined as yet because the systems themselves are at the early stage of their development. Therefore, the proposed method has prospects for being widely used in communication systems due to its having advantages over existing technologies. Compared with the known approaches, it differs by more efficient focusing of energy, which is concentrated at the consumer's antenna location point rather than in the beam. The prescribed characteristics are achieved by controlling the initial phases of a large number of elementary antennas arranged over the working area perimeter. Disadvantages of existing spatial-temporal systems are also pointed out. The mathematical substantiation confirming feasibility of the proposed method is given. Theoretical correlations demonstrating the gain in energy and transmission capacity obtained from using the point-focusing method over the case of a single-antenna transmitter are given. The functional diagram of a device embodying the spatial point-focusing of electromagnetic waves is suggested. The prototype system that has experimentally confirmed practical feasibility of the proposed spatial point-focusing method is described. A comparison between the numerical characteristics obtained by calculation and measured on the experimental prototype is given.
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Для цитирования: Куликов Р.С., Чугунов А.А., Петухов Н.И., Индриков И.Р. Способ пространственного фокусирования энергии радиоволн в точке приема для систем связи пятого поколения // Вестник МЭИ. 2018. № 5. С. 158—165. DOI: 10.24160/1993-6982-2018-5-158-165.
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For citation: Kulikov R.S., Chugunov A.A., Petukhov N.I., Indrikov I.R. A Method for Spatial Point-Focusing of Radio Wave Energy for Fifth-Generation Communication Systems. MPEI Vestnik. 2018;5:158—165. (in Russian). DOI: 10.24160/1993-6982-2018-5-158-165.
