59 citations · 206 across the 21 of their papers we have counts for
21 papers
Deterministic Models in Epidemiology: From Modeling to Implementation
Aresh Dadlani, Richard O. Afolabi, Hyoyoung Jung +2
The abrupt outbreak and transmission of biological diseases has always been a long-time concern of humankind. For long, mathematical modeling has served as a simple and yet efficie…
Design of Anti-Jamming Waveforms for Time-Hopping Spread Spectrum Systems in Tone Jamming Environments
Hyoyoung Jung, Binh Van Nguyen, Iickho Song +1
We consider the problem of designing waveforms for mitigating single tone jamming (STJ) signals with an estimated jamming frequency in time-hopping spread spectrum (TH SS) systems.…
Designing Anti-Jamming Receivers for NR-DCSK Systems Utilizing ICA, WPD, and VMD Methods
Binh Van Nguyen, Minh Tuan Nguyen, Hyoyoung Jung +1
In this work, we consider an advanced noise reduction differential chaotic shift keying (NR-DCSK) system in which a single antenna source communicates with a single antenna destina…
Doppler Spectrum Analysis of a Roadside Scatterer Model for Vehicle-to-Vehicle Channels: An Indirect Method
Sangjo Yoo, David González G., Jyri Hämäläinen +1
In vehicle-to-vehicle (V2V) channels, such roadside scatterers (RSSs) as houses, buildings, trees, and many more, play a crucial role in the determination of the Doppler power spec…
Analysis and Optimization for Weighted Sum Rate in Energy Harvesting Cooperative NOMA Systems
Binh Van Nguyen, Quang-Doanh Vu, Kiseon Kim
We consider a cooperative non-orthogonal multiple access system with radio frequency energy harvesting, in which a user with good channel harvests energy from its received signal a…
An iALM-ICA-based Anti-Jamming DS-CDMA Receiver for LMS Systems
Hyoyoung Jung, Jaewook Kang, Tae Seok Lee +2
We consider a land mobile satellite communication system using spread spectrum techniques where the uplink is exposed to MT jamming attacks, and the downlink is corrupted by multi-…
Performance Analysis of a Cognitive Radio Network with an Energy Harvesting Secondary Transmitter under Nakagami-m Fading
Binh Van Nguyen, Hyoyoung Jung, Dongsoo Har +1
In this paper, we consider an overlay cognitive radio network, in which a secondary transmitter (ST) is willing to relay the information of a primary transmitter toward a primary r…
Physical Layer Security Schemes for Full-Duplex Cooperative Systems: State of the Art and Beyond
Binh Van Nguyen, Hyoyoung Jung, Kiseon Kim
Due to the broadcast nature of wireless medium, wireless communication is highly vulnerable to eavesdropping attack. Traditionally, secure wireless data transmission has relied on…
On the Anti-Jamming Performance of the NR-DCSK System
Binh Van Nguyen, Hyoyoung Jung, Kiseon Kim
This paper investigates the anti-jamming performance of the NR-DCSK system. We consider several practical jamming environments including broad-band jamming (BBJ), partial-time jamm…
Overlay Secondary Spectrum Sharing with Independent Re-attempts in Cognitive Radios
Muthukrishnan Senthil Kumar, Aresh Dadlani, Kiseon Kim +1
Opportunistic spectrum access (OSA) is a promising reform paradigm envisioned to address the issue of spectrum scarcity in cognitive radio networks (CRNs). While current models con…
Transient Analysis of a Resource-limited Recovery Policy for Epidemics: a Retrial Queueing Approach
Aresh Dadlani, Muthukrishnan Senthil Kumar, Kiseon Kim +1
Knowledge on the dynamics of standard epidemic models and their variants over complex networks has been well-established primarily in the stationary regime, with relatively little…
Profit-aware Online Vehicle-to-Grid Decentralized Scheduling under Multiple Charging Stations
Abbas Mehrabi, Aresh Dadlani, Seungpil Moon +1
Fluctuations in electricity tariffs induced by the sporadic nature of demand loads on power grids has initiated immense efforts to find optimal scheduling solutions for charging an…
Performance Analysis of an Unreliable Retrial Queue with Two-way Communication
Muthukrishnan Senthil Kumar, Aresh Dadlani, Kiseon Kim
Efficient use of call center operators through technological innovations more often come at the expense of added operation management issues. In this paper, the stationary characte…
Fast Signal Separation of 2D Sparse Mixture via Approximate Message-Passing
Jaewook Kang, Hyoyoung Jung, Kiseon Kim
Approximate message-passing (AMP) method is a simple and efficient framework for the linear inverse problems. In this letter, we propose a faster AMP to solve the \emph{-Split…
Bayesian Hypothesis Test using Nonparametric Belief Propagation for Noisy Sparse Recovery
Jaewook Kang, Heung-No Lee, Kiseon Kim
This paper proposes a low-computational Bayesian algorithm for noisy sparse recovery (NSR), called BHT-BP. In this framework, we consider an LDPC-like measurement matrices which ha…
Bernoulli-Gaussian Approximate Message-Passing Algorithm for Compressed Sensing with 1D-Finite-Difference Sparsity
Jaewook Kang, Hyoyoung Jung, Heung-No Lee +1
This paper proposes a fast approximate message-passing (AMP) algorithm for solving compressed sensing (CS) recovery problems with 1D-finite-difference sparsity in term of MMSE esti…
Circular Sphere Decoding: A Low Complexity Detection for MIMO Systems with General Two-dimensional Signal Constellations
Hwanchol Jang, Saeid Nooshabadi, Kiseon Kim +1
We propose a low complexity complex valued Sphere Decoding (CV-SD) algorithm, referred to as Circular Sphere Decoding (CSD) which is applicable to multiple-input multiple-output (M…
Phase Transition Analysis of Sparse Support Detection from Noisy Measurements
Jaewook Kang, Heung-No Lee, Kiseon Kim
This paper investigates the problem of sparse support detection (SSD) via a detection-oriented algorithm named Bayesian hypothesis test via belief propagation (BHT-BP). Our main fo…
Detection-Directed Sparse Estimation using Bayesian Hypothesis Test and Belief Propagation
Jaewook Kang, Heung-No Lee, Kiseon Kim
In this paper, we propose a sparse recovery algorithm called detection-directed (DD) sparse estimation using Bayesian hypothesis test (BHT) and belief propagation (BP). In this fra…
Bayesian Hypothesis Test for Sparse Support Recovery using Belief Propagation
Jaewook Kang, Heung-No Lee, Kiseon Kim
In this paper, we introduce a new support recovery algorithm from noisy measurements called Bayesian hypothesis test via belief propagation (BHT-BP). BHT-BP focuses on sparse suppo…
On Detection-Directed Estimation Approach for Noisy Compressive Sensing
Jaewook Kang, Heung-No Lee, Kiseon Kim
In this paper, we investigate a Bayesian sparse reconstruction algorithm called compressive sensing via Bayesian support detection (CS-BSD). This algorithm is quite robust against…