62 citations · 119 across the 26 of their papers we have counts for
16 papers · 1 filter
Spherical Point Process with Random Heights: New Approach for Modeling and Analysis of Downlink Satellite Networks
Seyong Kim, Jinseok Choi, Namyoon Lee +2
The Low Earth Orbit (LEO) satellite industry is undergoing rapid expansion, with operators competitively launching satellites due to the first-come, first-served principle governin…
Rate-Splitting Multiple Access for 6G Networks: Ten Promising Scenarios and Applications
Jeonghun Park, Byungju Lee, Jinseok Choi +10
In the upcoming 6G era, multiple access (MA) will play an essential role in achieving high throughput performances required in a wide range of wireless applications. Since MA and i…
FDD Massive MIMO Without CSI Feedback
Deokhwan Han, Jeonghun Park, Namyoon Lee
Transmitter channel state information (CSIT) is indispensable for the spectral efficiency gains offered by massive multiple-input multiple-output (MIMO) systems. In a frequency-div…
Block Orthogonal Sparse Superposition Codes for Ultra-Reliable Low-Latency Communications
Donghwa Han, Jeonghun Park, Youngjoo Lee +2
Low-rate and short-packet transmissions are important for ultra-reliable low-latency communications (URLLC). In this paper, we put forth a new family of sparse superposition codes…
Joint Optimization for Secure and Reliable Communications in Finite Blocklength Regime
Mintaek Oh, Jeonghun Park, Jinseok Choi
To realize ultra-reliable low latency communications with high spectral efficiency and security, we investigate a joint optimization problem for downlink communications with multip…
Rate-Splitting Multiple Access for Quantized Multiuser MIMO Communications
Seokjun Park, Jinseok Choi, Jeonghun Park +2
This paper investigates the sum spectral efficiency maximization problem in downlink multiuser multiple-input multiple-output (MIMO) systems with low-resolution quantizers at an ac…
Joint Precoding and Artificial Noise Design for MU-MIMO Wiretap Channels
Eunsung Choi, Mintaek Oh, Jinseok Choi +3
Secure precoding superimposed with artificial noise (AN) is a promising transmission technique to improve security by harnessing the superposition nature of the wireless medium. Ho…
A Tractable Approach to Coverage Analysis in Downlink Satellite Networks
Jeonghun Park, Jinseok Choi, Namyoon Lee
Satellite networks are promising to provide ubiquitous and high-capacity global wireless connectivity. Traditionally, satellite networks are modeled by placing satellites on a grid…
Rate Analysis of Ultra-Reliable Low-Latency Communications in Random Wireless Networks
Jeonghun Park
In this letter, we analyze the achievable rate of ultra-reliable low-latency communications (URLLC) in a randomly modeled wireless network. We use two mathematical tools to properl…
Inter-Operator Base Station Coordination in Spectrum-Shared Millimeter Wave Cellular Networks
Jeonghun Park, Jeffrey G. Andrews, Robert W. Heath
We characterize the rate coverage distribution for a spectrum-shared millimeter wave downlink cellular network. Each of multiple cellular operators owns separate mmWave bandwidth,…
Feedback Design for Multi-Antenna K-tier Heterogeneous Downlink Cellular Networks
Jeonghun Park, Namyoon Lee, Robert W. Heath
We characterize the ergodic spectral efficiency of a non-cooperative and a cooperative type of K-tier heterogeneous networks with limited feedback. In the non-cooperative case, a m…
Spectral Efficiency Bounds for Interference-Limited SVD-MIMO Cellular Communication Systems
Jinseok Choi, Jeonghun Park, Brian L. Evans
The ergodic spectral efficiency (SE) in interference-limited multiple-input multiple-output (MIMO) downlink cellular systems is characterized based on stochastic geometry. A single…
Optimal User Loading in Massive MIMO Systems with Regularized Zero Forcing Precoding
Sungwoo Park, Jeonghun Park, Ali Yazdan Panah +1
We consider a downlink multiuser multiple-input multiple output (MIMO) system employing regularized zero-forcing (RZF) precoding. We derive the asymptotic signal-to-leakage-plus-no…
On the Optimal Feedback Rate in Interference-Limited Multi-Antenna Cellular Systems
Jeonghun Park, Namyoon Lee, Jeffrey G. Andrews +1
We consider a downlink cellular network where multi-antenna base stations (BSs) transmit data to single-antenna users by using one of two linear precoding methods with limited feed…
Low Complexity Antenna Selection for Low Target Rate Users in Dense Cloud Radio Access Networks
Jeonghun Park, Robert W. Heath
We propose a low complexity antenna selection algorithm for low target rate users in cloud radio access networks. The algorithm consists of two phases: In the first phase, each rem…
Cooperative Base Station Coloring for Pair-wise Multi-Cell Coordination
Jeonghun Park, Namyoon Lee, Robert W. Heath
This paper proposes a method for designing BS clusters and cluster patterns for pair-wise BS coordination. The key idea is that each BS cluster is formed by using the 2nd-order Vor…