ADAPTIVE SPATIAL-FREQUENCY, SPATIAL-TEMPORAL AND SPATIAL-CODE SIGNAL SEPARATION SYSTEMS

P. A. Chernov,
Institute of Radio and Information Systems (IRIS), Vienna, Austria

R. I. Kolotushkin,
Moscow technical university of communication and informatics, Moscow, Russia

DOI: 10.36724/2664-066X-2023-9-5-22-26

SYNCHROINFO JOURNAL. Volume 9, Number 5 (2023). P. 22-26.

Abstract

The basis of systems considered in this article is a self-focusing antenna array, consisting of bars with 2 * m receiving antenna elements located equidistantly in each of them. The description and results of preliminary mathematical modeling of an adaptive antenna lattice with a possibility of realization of functions are provided in her spatially-frequency or spatially-code allocation and tracking of signals. The results of modeling of a linear lattice which have confirmed a possibility of reliable allocation of one of two the coded signals influencing her are given in rather wide dynamic range of their entrance levels. Similar systems can find application in satellite and land systems of a radio communication. The use of such systems increases the energy potential of radio links and reduces interference between signals.

Keywords: Mathematical modeling, adaptive antenna array, radio communication systems

References

[1] B. Sichelstiel, W. Waters and T. Wild, “Self-focusing array research model,” IEEE Transactions on Antennas and Propagation, vol. 12, no. 2, pp. 150-154, March 1964, doi: 10.1109/TAP.1964.1138180.

[2] Y.N. Sedyshev, P.Y. Sedyshev and S.N. Rodenko, “Focusing of the spatially separated adaptive antenna arrays on multiple radiation sources by method of correlation identification of the bearings,” 4th International Conference on Antenna Theory and Techniques (Cat. No.03EX699), Sevastopol, Ukraine, 2003, pp. 42-46 vol.1, doi: 10.1109/ICATT.2003.1239147.

[3] A. Martynchuk, A. Nazmutdinov, A. Skorohod, A. Florov and S. Bortnovsky, “Spatial polarization suppression of active interference in a tropospheric polarization-orthogonal communication channel,” 2017 4th International Scientific-Practical Conference Problems of Infocommunications. Science and Technology (PIC S&T), Kharkov, Ukraine, 2017, pp. 589-591, doi: 10.1109/INFOCOMMST.2017.8246469.

[4] V.V. Yuzhakov, “Principles of constructing autocompensators for active interference,” Foreign Radio Electronics. No. 2, 1986.

[5] R.I. Kolotushkin, “Determination of the instantaneous phase of a sinusoidal signal. Phase meter and phase detector,” T-Comm. 2012. Vol. 6. No. 9, pp. 76-79.

[6] R.I. Kolotushkin, A.B. Karachevsky, “Processor for isolating and storing frequencies of radio signals,” T-Comm. 2012. Vol. 6. No. 9, pp. 80-82.

[7] L. Lan, J. Xu, G. Liao, S. Zhu and H. C. So, “Mainlobe Deceptive Jammer Suppression in SF-RDA Radar: Joint Transmit-Receive Processing,” IEEE Transactions on Vehicular Technology, vol. 71, no. 12, pp. 12602-12616, Dec. 2022, doi: 10.1109/TVT.2022.3195408.

[8] N. Burambayeva, A. Begimova, V. Pazynin, K. Sirenko and N. Yashina, “Ka-band Diffraction Radiation Antenna,” 2023 Photonics & Electromagnetics Research Symposium (PIERS), Prague, Czech Republic, 2023, pp. 1114-1118, doi: 10.1109/PIERS59004.2023.10221294.