176 citations · 441 across the 9 of their papers we have counts for
11 papers
Performance Analysis of Self-Interference Cancellation in Full-Duplex Massive MIMO Systems: Subtraction versus Spatial Suppression
Soo-Min Kim, Yeon-Geun Lim, Linglong Dai +1
Massive multiple-input multiple-output (MIMO) and full-duplex (FD) are promising candidates for achieving the spectral efficiency to meet the needs of 5G communications. One essent…
Ultrareliable and Low-Latency Communication Techniques for Tactile Internet Services
Kwang Soon Kim, Dong Ku Kim, Chan-Byoung Chae +9
This paper presents novel ultrareliable and low-latency communication (URLLC) techniques for URLLC services, such as Tactile Internet services. Among typical use-cases of URLLC ser…
On the Feasibility of Full-duplex Large-scale MIMO Cellular Systems
Jeongwan Koh, Yeon-Geun Lim, Chan-Byoung Chae +1
This paper concerns the feasibility of full-duplex large-scale multiple-input-multiple-output (MIMO) cellular systems. We first propose a pilot transmission scheme and assess its p…
Map-based Millimeter-Wave Channel Models: An Overview, Hybrid Modeling, Data, and Learning
Yeon-Geun Lim, Yae Jee Cho, MinSoo Sim +3
Compared to the current wireless communication systems, millimeter wave (mm-Wave) promises a wide range of spectrum. As viable alternatives to existing mm-Wave channel models, vari…
Relationship between Cross-Polarization Discrimination (XPD) and Spatial Correlation in Indoor Small-Cell MIMO Systems
Yeon-Geun Lim, Yae Jee Cho, TaeckKeun Oh +2
In this letter, we present a correlated channel model for a dual-polarization antenna to omnidirectional antennas in indoor small-cell multiple-input multiple-output (MIMO) systems…
Multiple Access for 5G New Radio: Categorization, Evaluation, and Challenges
Hyunsoo Kim, Yeon-Geun Lim, Chan-Byoung Chae +1
Next generation wireless networks require massive uplink connections as well as high spectral efficiency. It is well known that, theoretically, it is not possible to achieve the su…
RF Lens-Embedded Massive MIMO Systems: Fabrication Issues and Codebook Design
Taehoon Kwon, Yeon-Geun Lim, Byung-Wook Min +1
In this paper, we investigate a radio frequency (RF) lens-embedded massive multiple-input multiple-output (MIMO) system and evaluate the system performance of limited feedback by u…
Performance Analysis of Self-Interference Cancellation in Full-Duplex Large-Scale MIMO Systems
Yeon-Geun Lim, Daesik Hong, Chan-Byoung Chae
This paper presents the performance analysis of the self-interference cancellation (SIC) methods in full-duplex largescale multiple-input multiple-output systems. To mitigate selfi…
Smart Small Cell with Hybrid Beamforming for 5G: Theoretical Feasibility and Prototype Results
Jinyoung Jang, MinKeun Chung, Hae Gwang Hwang +8
In this article, we present a real-time three dimensional (3D) hybrid beamforming for fifth generation (5G) wireless networks. One of the key concepts in 5G cellular systems is the…
Compressed Channel Feedback for Correlated Massive MIMO Systems
Min Soo Sim, Jeonghun Park, Chan-Byoung Chae +1
Massive multiple-input multiple-output (MIMO) is a promising approach for cellular communication due to its energy efficiency and high achievable data rate. These advantages, howev…
Performance Analysis of Massive MIMO for Cell-Boundary Users
Yeon-Geun Lim, Chan-Byoung Chae, Giuseppe Caire
In this paper, we consider massive multiple-input multiple-output (MIMO) systems for both downlink and uplink scenarios, where three radio units (RUs) connected via one digital uni…