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Using OMP and SD algorithms together in mm-Wave mMIMO channel estimation

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Lens antenna array is considered as an effective beam selection mechanism in millimeter wave massive multiple input multiple output systems. Efficient channel estimation (CE) algorithms are required to use the advantage of the beam selection paradigm. Recently, compressive sensing-based algorithms are used to utilize existing sparsity for CE in these systems. Among them, orthogonal matching pursuit (OMP) and support detection (SD) are the most popular ones. These two popular algorithms have their own advantages and disadvantages. In this paper, we propose to use OMP and SD together for better CE. Simulations validate that the proposed algorithm enhances the CE quality over the conventional algorithms. These simulations are tested over two popularly used channel models.

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  1. p is founded experimentally in the next section by considering the generalizability and performance of the proposed algorithm.


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Authors and Affiliations



Mehmet Ali Aygül and Mahmoud Nazzal performed computer-based simulations, wrote the paper, and developed the system model. The development of the manuscript was supervised by Hüseyin Arslan. All of the authors have read and approved the contents of this manuscript.

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Correspondence to Mehmet Ali Aygül.

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The codes in this study are available on request from the corresponding author.

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The work of H. Arslan was supported in part by the Scientific and Technological Research Council of Turkey (TUBITAK) under Grant No. 5200030 with the cooperation of VESTEL and Istanbul Medipol University.

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Aygül, M.A., Nazzal, M. & Arslan, H. Using OMP and SD algorithms together in mm-Wave mMIMO channel estimation. SIViP 16, 1205–1213 (2022).

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