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On the Required Number of Antennas in a Point-to-Point Large-but-Finite MIMO System: Outage-Limited Scenario

Behrooz Makki (Institutionen för signaler och system ; Institutionen för signaler och system, Kommunikationssystem) ; Tommy Svensson (Institutionen för signaler och system ; Institutionen för signaler och system, Kommunikationssystem) ; Thomas Eriksson (Institutionen för signaler och system ; Institutionen för signaler och system, Kommunikationssystem) ; Mohamed Slim Alouini
IEEE Transactions on Communications (0090-6778). (2016)
[Artikel, refereegranskad vetenskaplig]

This paper investigates the performance of the pointto-point multiple-input-multiple-output (MIMO) systems in the presence of a large but finite numbers of antennas at the transmitters and/or receivers. Considering the cases with and without hybrid automatic repeat request (HARQ) feedback, we determine the minimum numbers of the transmit/receive antennas which are required to satisfy different outage probability constraints. Our results are obtained for different fading conditions and the effect of the power amplifiers efficiency/feedback error probability on the performance of the MIMO-HARQ systems is analyzed. Then, we use some recent results on the achievable rates of finite blocklength codes, to analyze the effect of the codewords lengths on the system performance. Moreover, we derive closed-form expressions for the asymptotic performance of the MIMO-HARQ systems when the number of antennas increases. Our analytical and numerical results show that different outage requirements can be satisfied with relatively few transmit/receive antennas.



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Denna post skapades 2016-04-02. Senast ändrad 2016-06-17.
CPL Pubid: 234013

 

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