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Theoretical expression of link performance in OFDM cellular networks with MIMO compared to simulation and measurements

Mohamed Kadhem Karray 1 Miodrag Jovanovic 1 Bartłomiej Błaszczyszyn 2
2 DYOGENE - Dynamics of Geometric Networks
DI-ENS - Département d'informatique de l'École normale supérieure, Inria Paris-Rocquencourt, CNRS - Centre National de la Recherche Scientifique : UMR8548
Abstract : The objective of this paper is to establish a theoretical expression of the link performance in the downlink of a multiple input multiple output (MIMO) cellular network and compare it to the real Long-Term Evolution (LTE ) performance. In order to account for the interference, we prove that the worst additive noise process in the MIMO context is the white Gaussian one. Based on this theoretical result, we build an analytic expression of the link performance in LTE cellular networks with MIMO. We study also the minimum mean square error (MMSE) scheme currently implemented in the field, as well as its improvement MMSE-SIC (successive interference cancellation) known to achieve the MIMO capacity. Comparison to simulation results as well as to measurements in the field shows that the theoretical expression predicts well practical link performance of LTE cellular networks. This theoretical expression of link performance is the basis of a global analytic approach to the evaluation of the quality of service perceived by the users in the long run of their arrivals and departures.
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https://hal.inria.fr/hal-01215619
Contributor : Bartlomiej Blaszczyszyn <>
Submitted on : Wednesday, October 14, 2015 - 3:34:03 PM
Last modification on : Tuesday, September 22, 2020 - 3:46:24 AM

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Mohamed Kadhem Karray, Miodrag Jovanovic, Bartłomiej Błaszczyszyn. Theoretical expression of link performance in OFDM cellular networks with MIMO compared to simulation and measurements. Annals of Telecommunications - annales des télécommunications, Springer, 2015, 70 (11-12), pp.479-490. ⟨10.1007/s12243-015-0469-4⟩. ⟨hal-01215619⟩

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