Direction Finding Using Null Steering Technique

This paper proposes an idea of direction finding using null steering methodology. A reconfigurable intelligent surface (RIS) working at 2.4 GHz is designed and capable of generating as well as steering null when placed in front of a linearly polarized antenna. This null steering can be used to make...

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Bibliographic Details
Published in2024 IEEE Space, Aerospace and Defence Conference (SPACE) pp. 746 - 749
Main Authors Kumar, Sumit, Mishra, Rishi, Sreenija, Yallanki Sai, Rana, Sylvie, Harish, A.R.
Format Conference Proceeding
LanguageEnglish
Published IEEE 22.07.2024
Subjects
Accuracy
Antennas
Approximation algorithms
Direction finding
Direction-of-arrival estimation
null steering
Receivers
Reconfigurable intelligent surfaces
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Summary:This paper proposes an idea of direction finding using null steering methodology. A reconfigurable intelligent surface (RIS) working at 2.4 GHz is designed and capable of generating as well as steering null when placed in front of a linearly polarized antenna. This null steering can be used to make an estimate of the direction of waves reaching the receiver. An algorithm has been proposed to mathematically estimate the direction of target. Along with that a comparison between estimated and true direction is presented in a tabular fashion.
DOI:10.1109/SPACE63117.2024.10668019