Marios Sardis

Dr. Marios Sardis

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Research Focus & Metrics

Academic Career Length

1Year (2026-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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9 October 2026 in Preprints.org
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Georgios VardouliasGeorgios Vardoulias
Georgios Vardoulias
MTMuhammad Haroon Tariq
Muhammad Haroon Tariq
CVChrysoula Vamvaka
Chrysoula Vamvaka
SLSpyros Lavdas
Spyros Lavdas
Ioannis Athanasios BartsiokasIoannis Athanasios Bartsiokas
Ioannis Athanasios Bartsiokas
RFRodolfo Feick
Rodolfo Feick
Millimeter-wave communications at 60 GHz offer access to large contiguous spectrum but require accurate propagation models to support reliable system design, as path losses at these frequencies are strongly influenced by buildings, vegetation, balconies, and intervening obstacles. This paper presents path gain models for outdoor-to-balcony and outdoor-to-indoor fixed wireless access (FWA) links at 60 GHz, derived from an extensive measurement campaign conducted in Athens, Greece. Measurements were collected with a street-mast transmitter and receiving nodes placed on balconies or indoors, covering a range of non-line-of-sight (NLOS) geometries representative of residential FWA deployments. Two existing channel models are adapted, tested and shown to predict measured path gain with lower RMS error than existing 3GPP models. Link-budget calculations using the proposed models show that, under the stated assumptions, 60 GHz FWA can deliver gigabit-class service to balcony-mounted receivers at short residential ranges with a 400 MHz deployment bandwidth.