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Mathematical Modeling and Calibration Procedure of Combined Multiport Correlator

  • Nickita Semezhev
  • Alexey L’vovEmail author
  • Adel Askarova
  • Sergey Ivzhenko
  • Natalia Vagarina
  • Elena Umnova
Conference paper
Part of the Studies in Systems, Decision and Control book series (SSDC, volume 199)

Abstract

Increasing amounts of information transmitted-by-the-air provides an expansion of the data transmission bandwidth and an increase in the requirements for transmitting and receiving devices. This problem can be solved with the help of software defined radio systems (SDR).

Special types of multiport devices are promising elements of the SDR systems, because of the low production costs and the possibility of using them in the wideband microwave radio systems. Combined multiport correlator (CMPC) is the one of such devices. This multiport device is the symbiosis of a multiport correlator and multi-probe transmission line, which allows it to be calibrated without preciously known loads.

This article presents a mathematical model of the combined multiport correlator that allows to transmit data in a wide frequency band, which is very important for modern software defined radio systems. High efficiency of CMPC was confirmed with the help of the numerical experiments. The computer simulation confirms theoretical conclusions.

Keywords

Complex amplitude Calibration procedure Multi-port correlator Software defined radio receiver Maximum likelihood method Calibration standards Multiport Mathematical model Multi-probe transmission line correlator 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Yuri Gagarin State Technical University of SaratovSaratovRussian Federation

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