Performance analysis of centralized and distributed massive MIMO for MTC

Tominaga, Eduardo Noboro; Alcaraz López, Onel Luiz; Alves, Hirley; Souza, Richard Demo; Terças, Leonardo (2023-07-26)
 
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https://doi.org/10.1109/EuCNC/6GSummit58263.2023.10188232

Tominaga, Eduardo Noboro
Alcaraz López, Onel Luiz
Alves, Hirley
Souza, Richard Demo
Terças, Leonardo
Institute of Electrical and Electronics Engineers
26.07.2023

E. N. Tominaga, O. L. A. López, H. Alves, R. D. Souza and L. Terças, "Performance Analysis of Centralized and Distributed Massive MIMO for MTC," 2023 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Gothenburg, Sweden, 2023, pp. 96-101, doi: 10.1109/EuCNC/6GSummit58263.2023.10188232

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doi:https://doi.org/10.1109/EuCNC/6GSummit58263.2023.10188232
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Abstract

Massive Multiple-Input Multiple-Output (mMIMO) is one of the essential technologies introduced by the Fifth Generation (5G) of wireless communication systems. However, although mMIMO provides many benefits for wireless communications, it cannot ensure uniform wireless coverage and suffers from inter-cell interference inherent to the traditional cellular network paradigm. Therefore, industry and academia are working on the evolution from conventional Centralized mMIMO (CmMIMO) to Distributed mMIMO (DmMIMO) architectures for the Sixth Generation (6G) of wireless networks. Under this new paradigm, several Access Points (APs) are distributed in the coverage area, and all jointly cooperate to serve the active devices. Aiming at Machine-Type Communication (MTC) use cases, we compare the performance of CmMIMO and different DmMIMO deployments in an indoor industrial scenario considering regular and alarm traffic patterns for MTC. Our simulation results show that DmMIMO’s performance is often superior to CmMIMO. However, the traditional CmMIMO can outperform DmMIMO when the devices’ channels are highly correlated.

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