On the Adaptive Modulation for User-Centric Cell-Free Massive MIMO Systems
Danilo B. T. Almeida,
Marcelo S. Alencar,
Rafael M. Duarte
et al.
Abstract:The cell-free (CF) systems are a key technology for future wireless networks, which exploit the scenario spatial macro-diversity to offer high channel capacity and link reliability, uniform user quality of service (QoS), and better coverage. A technique for access point selection (APS) must be applied to improve the use of the macro-diversity. This paper proposes a low-complexity APS technique based on the derived signal-to-interference-plus-noise ratio (SINR) theoretical expression. Additionally, to increase … Show more
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