1 citations · 4 across the 12 of their papers we have counts for
9 papers · 1 filter
Scalable and Convergent Generalized Power Iteration Precoding for Massive MIMO Systems
Seunghyeong Yoo, Mintaek Oh, Jeonghun Park +2
In massive multiple-input multiple-output (MIMO) systems, achieving high spectral efficiency (SE) often requires advanced precoding algorithms whose complexity scales rapidly with…
The MIMO-ME-MS Channel: Analysis and Algorithm for Secure MIMO Integrated Sensing and Communications
Seongkyu Jung, Namyoon Lee, Jeonghun Park
This paper addresses precoder design for secure multiple-input multiple-output (MIMO) integrated sensing and communications (ISAC) systems. We introduce a MIMO channel with a multi…
Space-Time Beamforming for LEO Satellite Communications
Jungbin Yim, Jinseok Choi, Jeonghun Park +2
Inter-beam interference poses a significant challenge in low Earth orbit (LEO) satellite communications due to dense satellite constellations. To address this issue, we introduce s…
Spectrum Sharing Between Low Earth Orbit Satellite and Terrestrial Networks: A Stochastic Geometry Perspective Analysis
Daeun Kim, Jeonghun Park, Jinseok Choi +1
Low Earth orbit (LEO) satellite networks with mega constellations have the potential to provide 5G and beyond services ubiquitously. However, these networks may introduce mutual in…
FDD Massive MIMO: How to Optimally Combine UL Pilot and Limited DL CSI Feedback?
Jungyeon Kim, Jinseok Choi, Jeonghun Park +2
In frequency-division duplexing (FDD) multiple-input multiple-output (MIMO) systems, obtaining accurate downlink channel state information (CSI) for precoding is vastly challenging…
Modeling and Coverage Analysis of K-Tier Integrated Satellite-Terrestrial Downlink Networks
Jungbin Yim, Jeonghun Park, Namyoon Lee
Integrated satellite-terrestrial networks (ISTNs) can significantly expand network coverage while diminishing reliance on terrestrial infrastructure. Despite the enticing potential…
Joint and Robust Beamforming Framework for Integrated Sensing and Communication Systems
Jinseok Choi, Jeonghun Park, Namyoon Lee +1
Integrated sensing and communication (ISAC) is widely recognized as a fundamental enabler for future wireless communications. In this paper, we present a joint communication and ra…
Ergodic Secrecy Rate Analysis for LEO Satellite Downlink Networks
Daeun Kim, Namyoon Lee
Satellite networks are recognized as an effective solution to ensure seamless connectivity worldwide, catering to a diverse range of applications. However, the broad coverage and b…
Coverage Analysis of Dynamic Coordinated Beamforming for LEO Satellite Downlink Networks
Daeun Kim, Jeonghun Park, Namyoon Lee
In this paper, we investigate the coverage performance of downlink satellite networks employing dynamic coordinated beamforming. Our approach involves modeling the spatial arrangem…