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UID:542@lincs.fr
DTSTART;TZID=Europe/Paris:20200527T150000
DTEND;TZID=Europe/Paris:20200527T160000
DTSTAMP:20200529T131706Z
URL:https://www.lincs.fr/events/beam-management-in-5g/
SUMMARY:Beam management in 5G
DESCRIPTION:Beam management is central in the operation of dense 5G
 cellular networks. Focusing the energy radiated to mobile terminals (MTs)
 by increasing the number of beams per cell increases signal power and
 decreases interference\, and has hence the potential to bring major
 improvements on area spectral efficiency (ASE). This benefit\, however\,
 comes with unavoidable overheads that increase with the number of beams and
 the MT speed. This paper proposes a first system-level stochastic geometry
 model encompassing major aspects of the beam management problem:
 frequencies\, antennas\, and propagation\; physical layer\, wireless
 links\, and coding\; network geometry\, interference\, and resource
 sharing\; sensing\, signaling\, and mobility management. This model leads
 to a simple analytical expression for the effective ASE that the typical
 user gets in this context. This in turn allows one to find\, for a wide
 variety of 5G network scenarios including millimeter wave (mmWave) and
 sub-6 GHz\, the number of beams per cell that offers the best global
 trade-off between these benefits and costs. We finally provide numerical
 results that discuss the effects of different systemic trade-offs and
 performances of mmWave and sub-6 GHz 5G deployments.\n\nThe talk will also
 highlight the interplay between pure and standardization-oriented research
 and the lessons learned through the collaboration.\n\nThis is a
 collaborative work done at LINCS between Sanket Kalamkar and Francois
 Baccelli from Inria\, and Fuad Abinader\, Andrea Marcano and Luis Guilherme
 Uzeda Garcia from Nokia Bell Labs.
CATEGORIES:Seminars,Youtube
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