Finite Block-length Analysis of Large-but-finite MIMO Systems
Artikel i vetenskaplig tidskrift, 2019

This letter studies the performance of point-to-point multiple-input-multiple-output (MIMO) systems in the presence of large but finite numbers of transmit and receive antennas. We use some recent results on the achievable rates of finite-length codes to analyze the system performance in the cases with short packets. The results are presented for different fading models. With codewords of finite length, we derive closed-form expressions for the error probability/throughput and determine the minimum number of antennas which are required to satisfy different error probability/throughput requirements. As we show, while the error-constrained required number of antennas is sensitive to the length of short codewords, its effect is negligible for codewords of moderate/long length.


Behrooz Makki

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Tommy Svensson

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Mikael Coldrey

Chalmers, Elektroteknik, Signalbehandling och medicinsk teknik

Mohamed-Slim Alouini

King Abdullah University of Science and Technology (KAUST)

IEEE Wireless Communications Letters

2162-2337 (ISSN) 2162-2345 (eISSN)

Vol. 8 1 113-116 8421030


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