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The aim is to benchmark different MIMO architectures for 5G and 6G networks to guide future designs.

April 8, 2026TelecomOpen Access

A Comparative Benchmark of Scale-Up and Scale-Out MIMO Architectures for 5G and Prospective 6G Networks

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The aim is to benchmark different MIMO architectures for 5G and 6G networks to guide future designs.
Evaluated centralized and distributed MIMO architectures under identical conditions.
Used a Monte Carlo simulation framework for performance assessment.
Considered urban channel conditions, frequency bands, and traffic assumptions.
XL-Massive MIMO achieved maximum throughput and spatial reuse in dense scenarios.
Cell-Free MIMO excelled in coverage uniformity and energy efficiency for wider areas.
Provided quantitative guidance for the architectural choices in 6G deployment.

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Compares scale-up and scale-out MIMO designs in wireless networks, suggesting architectural trade-offs for 6G planning.

Rebolo et al. (2026) studied this question.

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