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Browsing University of Hertfordshire by Author "Chatzinotas, S."
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Coverage Probability of Cell-Free Massive MIMO Systems
Papazafeiropoulos, A. K.; Kourtessis, P.; Renzo, M. DI; Chatzinotas, S.; Senior, J. M. (Institute of Electrical and Electronics Engineers (IEEE), 2020-12-04)Despite that ongoing and future networks become denser and increasingly irregular, prior works in the area of cell-free (CF) massive multiple-input-multiple-output (mMIMO) systems relied on the strong assumption of uniformly ... -
Scalable cell-free massive MIMO systems with hardware impairments
Papazafeiropoulos, A. K.; Bjornson, Emil; Kourtessis, P.; Chatzinotas, S.; Senior, John M. (Institute of Electrical and Electronics Engineers (IEEE), 2020-10-08)Despite the deleterious effect of hardware impairments (HWIs) on wireless systems, most prior works in cell-free (CF) massive multiple-input-multiple-output (mMIMO) systems have not accounted for their impact. In particular, ... -
Towards Optimal Energy Efficiency in Cell-Free Massive MIMO Systems
Papazafeiropoulos, A.; Ngo, H. Q.; Kourtessis, P.; Chatzinotas, S.; Senior, J. M. (2021-02-12)Motivated by the ever-growing demand for green wireless communications and the advantages of cell-free (CF) massive multiple-input multiple-output (mMIMO) systems, we focus on the design of their downlink (DL) for optimal ...