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 …

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 …

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 …

Dynamic and Super-Personalized Media Ecosystem Driven by Generative AI: Unpredictable Plays Never Repeating the Same

S Ahn, HJ Yim, Y Lee, SI Park - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper introduces a media service model that exploits artificial intelligence (AI) video
generators at the receive end. This proposal deviates from the traditional multimedia …

Federated Multitask Learning for Pedestrian Location-Aware 5G Multicast/Broadcast Services

Z Jing, J Mu, J Jin, Z Jiao, P Yu - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
5G multicast/broadcast services can provide transformative new opportunities as mobile
devices proliferate. However, realizing the full potential of these services requires real-time …

Comparative Assessment of Physical Layer Performance: ATSC 3.0 vs. 5G Broadcast in Laboratory and Field Tests

S Kwon, SK Ahn, S Ahn, S Jeon… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This paper presents a comparative analysis of the physical layer performance of ATSC 3.0
and 3GPP 5G Broadcast through comprehensive laboratory and field tests. The study …

Fast Decoding of Polar Codes for Digital Broadcasting Services in 5G

H Sun, E Viterbo, B Dai, R Liu - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The rapid revolution of mobile communication technology provides a great avenue for
efficient information transmission to facilitate digital multimedia services. In current 5G …