96 citations · 191 across the 30 of their papers we have counts for
20 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…
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…
Quantized Massive MIMO Systems with Multicell Coordinated Beamforming and Power Control
Jinseok Choi, Yunseong Cho, Brian L. Evans
In this paper, we investigate a coordinated multipoint (CoMP) beamforming and power control problem for base stations (BSs) with a massive number of antenna arrays under coarse qua…
Coordinated Multicell Beamforming and Power Allocation for Massive MIMO with Low-Resolution ADC/DAC
Yunseong Cho, Jinseok Choi, Brian L. Evans
In this work, we present a solution for coordinated beamforming and power allocation when base stations employ a massive number of antennas equipped with low-resolution analog-to-d…
Advanced Receiver Architectures for Millimeter Wave Communications with Low-Resolution ADCs
Jinseok Choi, Gilwon Lee, Ahmed Alkhateeb +3
Employing low-resolution analog-to-digital converters (ADCs) for millimeter wave receivers with large antenna arrays provides opportunity to efficiently reduce power consumption of…
A Hybrid Beamforming Receiver with Two-Stage Analog Combining and Low-Resolution ADCs
Jinseok Choi, Gilwon Lee, Brian L. Evans
In this paper, we propose a two-stage analog combining architecture for millimeter wave (mmWave) communications with hybrid analog/digital beamforming and low-resolution analog-to-…
Robust Learning-Based ML Detection for Massive MIMO Systems with One-Bit Quantized Signals
Jinseok Choi, Yunseong Cho, Brian L. Evans +1
In this paper, we investigate learning-based maximum likelihood (ML) detection for uplink massive multiple-input and multiple-output (MIMO) systems with one-bit analog-to-digital c…
Two-Stage Analog Combining in Hybrid Beamforming Systems with Low-Resolution ADCs
Jinseok Choi, Gilwon Lee, Brian L. Evans
In this paper, we investigate hybrid analog/digital beamforming for multiple-input multiple-output (MIMO) systems with low-resolution analog-to-digital converters (ADCs) for millim…
Analysis of Ergodic Rate for Transmit Antenna Selection in Low-Resolution ADC Systems
Jinseok Choi, Brian L. Evans
In this paper, we analyze the ergodic rate of single transmit antenna selection (TAS) in low-resolution analog-to-digital converter (ADC) systems. Using low-resolution ADCs is a po…
User Scheduling for Millimeter Wave Hybrid Beamforming Systems with Low-Resolution ADCs
Jinseok Choi, Gilwon Lee, Brian L. Evans
We investigate uplink user scheduling for millimeter wave (mmWave) hybrid analog/digital beamforming systems with low-resolution analog-to-digital converters (ADCs). Deriving new s…
ADC Bit Optimization for Spectrum- and Energy-Efficient Millimeter Wave Communications
Jinseok Choi, Junmo Sung, Brian L. Evans +1
A spectrum- and energy-efficient system is essential for millimeter wave communication systems that require large antenna arrays with power-demanding ADCs. We propose an ADC bit al…
User Scheduling for Millimeter Wave MIMO Communications with Low-Resolution ADCs
Jinseok Choi, Brian L. Evans
In millimeter wave (mmWave) systems, we investigate uplink user scheduling when a basestation employs low-resolution analog-to-digital converters (ADCs) with a large number of ante…
Wideband Channel Estimation for Hybrid Beamforming Millimeter Wave Communication Systems with Low-Resolution ADCs
Junmo Sung, Jinseok Choi, Brian L. Evans
A potential tremendous spectrum resource makes millimeter wave (mmWave) communications a promising technology. High power consumption due to a large number of antennas and analog-t…
Narrowband Channel Estimation for Hybrid Beamforming Millimeter Wave Communication Systems with One-bit Quantization
Junmo Sung, Jinseok Choi, Brian L. Evans
Millimeter wave (mmWave) spectrum has drawn attention due to its tremendous available bandwidth. The high propagation losses in the mmWave bands necessitate beamforming with a larg…
Resolution-Adaptive Hybrid MIMO Architectures for Millimeter Wave Communications
Jinseok Choi, Brian L. Evans, Alan Gatherer
In this paper, we propose a hybrid analog-digital beamforming architecture with resolution-adaptive ADCs for millimeter wave (mmWave) receivers with large antenna arrays. We adopt…
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…
ADC Bit Allocation under a Power Constraint for MmWave Massive MIMO Communication Receivers
Jinseok Choi, Brian L. Evans, Alan Gatherer
Millimeter wave (mmWave) systems operating over a wide bandwidth and using a large number of antennas impose a heavy burden on power consumption. In a massive multiple-input multip…