IRO Journal on Sustainable Wireless Systems
IRO Journals
Volume 5 — Issue 1 — March 2023

Investigations on the Performance Comparison of Co-Prime Array with and without interpolation for DOA Estimation

https://doi.org/10.36548/jsws.2023.1.001
Lokesh Dharma Theja ch
Electronics and Communication Engineering, National Institute of Technology, Tadepalligudem,
Kishore Kumar Puli
Electronics and Communication Engineering, National Institute of Technology, Tadepalligudem,
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How to Cite

ch, Lokesh Dharma Theja, and Kishore Kumar Puli. 2023. “Investigations on the Performance Comparison of Co-Prime Array With and Without Interpolation for DOA Estimation”. IRO Journal on Sustainable Wireless Systems 5 (1): 1-16. https://doi.org/10.36548/jsws.2023.1.001.
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Keywords

— sparse arrays
— Co-Prime Array (CPA)
— holes
— difference coarray
— interpolation techniques
— coarray MUSIC
— ESPRIT
Published: 09-03-2023

Abstract

The sparse arrays have recently attracted a lot of attention in the last decade, due to their ability to find more sources than sensors present in an array configuration. There might be some sparse arrays which might have holes in their difference coarray, and different interpolation techniques are used to fill these holes. In this paper, the comparison of estimation performances using RMSE vs SNR plots of co-prime array before and after interpolation are analyzed using both coarray MUSIC and ESPRIT algorithms.

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