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An efficient Cholesky Decomposition based multiuser MIMO detection algorithm

Yejian Chen, Hardy Halbauer, Michael Jeschke, Robert Richter

Open publisher page 5 citations

Abstract

This paper presents an efficient multiuser Multiple Input Multiple Output (MU-MIMO) detection algorithm. It introduces Cholesky Decomposition (CLD) and deploys Successive Interference Cancellation (SIC) detection. This study reveals that the proposed algorithm delivers equivalent performance to the QR Decomposition (QRD) based detection algorithm, with adequately lower complexity. As well, the CLD based detection algorithm can be straightforwardly adapted to other QRD based algorithm variants to reduce the computational effort.

About this research paper

What this paper is about

This paper presents an efficient multiuser Multiple Input Multiple Output (MU-MIMO) detection algorithm. It introduces Cholesky Decomposition (CLD) and deploys Successive Interference Cancellation (SIC) detection. This study reveals that the proposed algorithm delivers equivalent performance to the QR Decomposition (QRD) based detection algorithm, with adequately lower complexity. As well, the CLD based detection algorithm can be straightforwardly adapted to other QRD based algorithm variants to reduce the computational effort.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This paper presents an efficient multiuser Multiple Input Multiple Output (MU-MIMO) detection algorithm. It introduces Cholesky Decomposition (CLD) and deploys Successive Interference Cancellation (SIC) detection. This study reveals that the proposed algorithm delivers equivalent performance to the QR Decomposition (QRD) based detection algorithm, with adequately lower complexity. As well, the CLD based detection algorithm can be straightforwardly adapted to other QRD based algorithm variants to reduce the computational effort.

Key concepts: Cholesky decomposition, QR decomposition, MIMO, Minimum degree algorithm, Computer science, Single antenna interference cancellation, Algorithm, Decomposition

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