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Signal-dependent interference reduction based on a new transmit covariance matrix and receive filter design for colocated MIMO radar

  • Mohammad Mahdi Feraidooni
  • Davood GharavianEmail author
  • Sadjad Imani
Original Paper
  • 26 Downloads

Abstract

Waveform design is an important topic in diverse radars, especially MIMO radars. In this paper, the signal-to-interference plus noise ratio (SINR) has been improved using the proposed covariance matrix and filter coefficients in colocated MIMO radars. In the proposed method, transmit waveform covariance matrix and receive filter coefficients have been jointly optimized to make the desired transmit beam pattern to the target direction, reject a maximum number of signal-dependent interfering sources and prepare suitable SINR and degree of freedom (DOF). Simulation results show that the proposed method has appropriate and significant SINR values, DOF and computational time in comparison with other methods. Moreover, the constant and equal power is transmitted through each antenna element in the proposed method and similar elements can be used to design the transmitters. Therefore, the suitable computational time and complexity and also the simple design of transmitters have made the proposed method more practical than other compared methods.

Keywords

Colocated MIMO radar Covariance matrix Interference Optimization SINR Waveform design 

Notes

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Telecommunications, Faculty of Electrical EngineeringShahid Beheshti University, G. C.TehranIran

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