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UID:945@lincs.fr
DTSTART;TZID=Europe/Paris:20260402T140000
DTEND;TZID=Europe/Paris:20260402T150000
DTSTAMP:20260414T101511Z
URL:https://www.lincs.fr/events/the-doppler-shannon-paradigm-in-vehicular-
 networks-a-stochastic-geometry-analysis/
SUMMARY:The Doppler-Shannon Paradigm in Vehicular Networks: A Stochastic
 Geometry Analysis
DESCRIPTION:Historically\, in cellular networks\, the user equipment (UE)
 association with a base station (BS) has been largely confined to nearest
 BS association strategies. Unlike cellular networks wherein the BSs are
 static\, vehicular networks are prone to high mobility\, resulting in the
 UE experiencing a Doppler shift. The Doppler effect further results in the
 fading channel exhibiting high temporal variability. In this work\, we
 present a novel stochastic geometry framework by modeling the effects of
 the Doppler shift on the physical layer network performance through the
 coherence time. First\, the statistics of the Doppler shift are studied in
 a two- and three-dimensional Poisson point process (PPP) setting. The
 distribution and the geometric factors influencing the Doppler are
 analyzed. Next\, we propose Doppler aware utilities\, modeling the Doppler
 induced Shannon rate achievable in time-selective fading links. Through
 these utilities\, we study the outage and coverage probabilities for a UE
 to achieve a given quality of service. These probabilities are computed
 based on the optimal BS association in vehicular networks\, which go beyond
 the closest Euclidean distance. The novel BS association factors in the
 UE-BS line of sight\, the BS direction of motion\, the fading gain\, in
 addition to the Euclidean distance. We show that the nearest BS is no
 longer the optimal BS association\, resulting in non-convex coverage
 tessellations associated with the BSs. Our simulation results illustrate
 the need for a Doppler correction\, complementing the Shannon performance.
 The network performance achieved through the proposed Doppler-Shannon based
 association is proved\, analytically as well as through simulations\, to be
 superior to the classical Shannon based association achieving gains up to
 12% and 55% in a 2D and 3D setting\, respectively.
CATEGORIES:Seminars
LOCATION:Amphi 3\, 19 Place Marguerite Perey\, Palaiseau\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=19 Place Marguerite Perey\,
 Palaiseau\, France;X-APPLE-RADIUS=100;X-TITLE=Amphi 3:geo:0,0
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TZID:Europe/Paris
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DTSTART:20260329T030000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
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