Converged distribution of 5G media: Opportunities of overlaid broadcast and emerging applications over dual connectivity

S Ahn, SI Park, SK Ahn, HJ Yim, S Kwon… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This paper encompasses various topics for 5G-involved broadcasting under the common
context converged distribution of 5G media. Particularly, two primary subtopics are …

Characterization and modeling of UHF wireless channel in terrestrial SFN environments: Urban fading profiles

S Ahn, J Kim, SK Ahn, S Kwon, S Jeon… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This paper proposes several realistic fading channel models to describe the signal
distortions that arise in single frequency network (SFN) environments. The proposed models …

Evaluation of ATSC 3.0 and 3GPP Rel-17 5G broadcasting systems for mobile handheld applications

SK Ahn, S Ahn, J Kim, H Kim, S Kwon… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This paper provides performance evaluations of two state-of-the-art terrestrial broadcasting
systems, ATSC 3.0 and 3GPP Rel-17 5G broadcast, in terms of physical layer capability …

Velocity optimization for UAV-mounted transmitter in population-varying fields

S Ahn, J Kang, SI Park, X Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper proposes a spectrally efficient aviation strategy for unmanned aerial vehicle
(UAV)-mounted transmitters (Txs) operating in a service area with heterogeneous user …

Multi‐antenna diversity gain in terrestrial broadcasting receivers on vehicles: A coverage probability perspective

S Ahn, J Lee, BM Lim, HC Kwon, N Hur, SI Park - ETRI Journal, 2021 - Wiley Online Library
This paper theoretically and empirically explores the reliability gain that can be obtained by
installing multiple antennas in on‐vehicle broadcasting receivers. Analytical derivations …

Implementation and test results of on‐channel repeater for ATSC 3.0 systems

S Ahn, S Kwon, HC Kwon, Y Kim, J Lee, YS Shin… - ETRI …, 2022 - Wiley Online Library
Despite the successful launch of Advanced Television Systems Committee (ATSC) 3.0
broadcasting worldwide, broadcasters are facing obstacles in constructing void‐less large …

Diversity receiver for ATSC 3.0-in-vehicle: Design and field evaluation in metropolitan SFN

S Ahn, BM Lim, S Kwon, S Jeon… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper demonstrates the feasibility of multi-antenna reception to facilitate mobile
broadcasting for vehicular receivers. Starting from a dimension analysis estimating the …

RIS-aided LDM system: a new prototype in broadcasting system

Y Zhang, W He, D He, Y Xu, Y Guan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Layer-division multiplexing (LDM) system has developed with significant improvement in
spectrum efficiency and service diversity. LDM technology, that superposes multiple signals …

Feasibility of backward compatible MIMO broadcasting: Issues in SISO-MIMO coexistence

J Kang, SI Park, H Jung, N Hur… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper introduces the application of backward compatible (B-Comp) MIMO for
simultaneously supporting inter-tower communications network (ITCN) and legacy digital …

Field evaluation of transmit diversity code filter sets in ATSC 3.0 single frequency networks

B Lim, S Kwon, S Ahn, SI Park, JY Lee… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Advanced Television Systems Committee (ATSC) 3.0, a recently developed terrestrial
broadcasting standard, supports a Single Frequency Network (SFN), which extends service …