Научная электронная библиотека ULRICH'S Periodicals Directory

Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 621.396.673
ANTENNA MODULES OF GNSS USER EQUIPMENT: INNOVATIVE APPROACHES
S. N. Boyko, A. V. Isaev, S. V. Kosyakin, A. S. Kukharenko, Y. S. Yaskin
Branch of United Rocket and Space Corporation Institute of Space Device Engineering 53, Aviamotornaya Str., Moscow, 111250, Russian Federation E-mail: npk6@mail.ru
An original engineering conception of the navigation antenna module design, involving the idea that a dielectric substrate of the antenna element is made of a ceramic in the form of a turned cup provided with the patch on its top and metalized cavity, in which all active elements are placed, is suggested. The cup-shaped antenna element has additional advantages against the patch antenna of a traditional form: it has a wider matching band, higher radiation efficiency, a wider radiation pattern, and a wider (up to 1.5 times) meridian angle range, with circular field polarization. Metama-terial, used in the antenna element of an all-ceramic type antenna module, allows obtaining a circular field polarization even at low elevation angles, which only a quadrifilar antenna has. To work with all operating GNSS systems (in the extended bandwidth), an antenna element, which has two planar axial elements placed on the common substrate, is proposed. The antenna element can also be designed to work in 2 bands, for example, in L1 and L2 GLONASS/GPS or in L1 and L2 GPS/GALILEO. A multi frequency stacked antenna design method with opposite feeding of the antenna elements, which provides the antenna element isolation of more than 25 dB and identical radiation patterns is sug-gested. It is proposed to use for multipath mitigating a special type of the EBG-metamaterial and, as well, a special method of multipath mitigating ground plane mounting, which doesn’t narrow antenna element radiation pattern and doesn’t spoil phase center stability.
Keywords: antenna modules, GNSS antennas, patch antennas, active antennas.
References

References

 

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Boyko Sergey Nikolaevich – Cand. Sc., director of a science-research complex, Branch of United Rocket and Space Corporation Institute of Space Device Engineering. E-mail: npk6@mail.ru.

Isaev Andrei Viktorovich – head of sector, Branch of United Rocket and Space Corporation Institute of Space Device Engineering.

Kosyakin Sergey Vladimirovich – head of department, Branch of United Rocket and Space Corporation Institute of Space Device Engineering.

Kukharenko Alexander Sergeevich – Cand. Sc., head researcher, Branch of United Rocket and Space Corporation Institute of Space Device Engineering.

Yaskin Yuri Sergeevich – Cand. Sc., director of the branch, Branch of United Rocket and Space Corporation Institute of Space Device Engineering.