Search Results for author: Hoon Lee

Found 16 papers, 0 papers with code

Task-Oriented Edge Networks: Decentralized Learning Over Wireless Fronthaul

no code implementations3 Dec 2023 Hoon Lee, Seung-Wook Kim

Inspired by the nomographic function, an efficient cloud inference model becomes an integration of a number of shallow DNNs.

Joint Precoding and Fronthaul Compression for Cell-Free MIMO Downlink With Radio Stripes

no code implementations7 Aug 2023 Sangwon Jo, Hoon Lee, Seok-Hwan Park

Due to the serial transfer on radio stripes, each AP has an access to all the compressed blocks which pass through it.

Learning Decentralized Power Control in Cell-Free Massive MIMO Networks

no code implementations5 Mar 2023 DaeSung Yu, Hoon Lee, Seung-Eun Hong, Seok-Hwan Park

This paper studies learning-based decentralized power control methods for cell-free massive multiple-input multiple-output (MIMO) systems where a central processor (CP) controls access points (APs) through fronthaul coordination.

Deep Learning for Multi-User MIMO Systems: Joint Design of Pilot, Limited Feedback, and Precoding

no code implementations21 Sep 2022 Jeonghyeon Jang, Hoon Lee, Il-Min Kim, Inkyu Lee

To address this problem, we propose a novel deep learning (DL) framework which jointly optimizes the feedback information generation at users and the precoder design at a base station (BS).

A Bipartite Graph Neural Network Approach for Scalable Beamforming Optimization

no code implementations12 Jul 2022 Junbeom Kim, Hoon Lee, Seung-Eun Hong, Seok-Hwan Park

However, the fixed computation structure of existing deep neural networks (DNNs) lacks flexibility with respect to the system size, i. e., the number of antennas or users.

Completion Time Minimization of Fog-RAN-Assisted Federated Learning With Rate-Splitting Transmission

no code implementations3 Jun 2022 Seok-Hwan Park, Hoon Lee

This work studies federated learning (FL) over a fog radio access network, in which multiple internet-of-things (IoT) devices cooperatively learn a shared machine learning model by communicating with a cloud server (CS) through distributed access points (APs).

Federated Learning Quantization

Deep Learning Based Resource Assignment for Wireless Networks

no code implementations27 Sep 2021 Minseok Kim, Hoon Lee, Hongju Lee, Inkyu Lee

This paper studies a deep learning approach for binary assignment problems in wireless networks, which identifies binary variables for permutation matrices.

Deep Learning Methods for Joint Optimization of Beamforming and Fronthaul Quantization in Cloud Radio Access Networks

no code implementations6 Jul 2021 DaeSung Yu, Hoon Lee, Seok-Hwan Park, Seung-Eun Hong

An efficient learning solution is proposed which constructs a DNN to produce a low-dimensional representation of optimal beamforming and quantization strategies.

Quantization

Learning Autonomy in Management of Wireless Random Networks

no code implementations15 Jun 2021 Hoon Lee, Sang Hyun Lee, Tony Q. S. Quek

The DMPNN is investigated for various configurations of the power control in wireless networks, and intensive numerical results prove its universality and viability over conventional optimization and DNN approaches.

Distributed Optimization Management

Learning Optimal Fronthauling and Decentralized Edge Computation in Fog Radio Access Networks

no code implementations21 Mar 2021 Hoon Lee, Junbeom Kim, Seok-Hwan Park

Fog radio access networks (F-RANs), which consist of a cloud and multiple edge nodes (ENs) connected via fronthaul links, have been regarded as promising network architectures.

Edge-computing

Learning Robust Beamforming for MISO Downlink Systems

no code implementations2 Mar 2021 Junbeom Kim, Hoon Lee, Seok-Hwan Park

This paper investigates a learning solution for robust beamforming optimization in downlink multi-user systems.

Deep Learning Methods for Universal MISO Beamforming

no code implementations2 Jul 2020 Junbeom Kim, Hoon Lee, Seung-Eun Hong, Seok-Hwan Park

This letter studies deep learning (DL) approaches to optimize beamforming vectors in downlink multi-user multi-antenna systems that can be universally applied to arbitrarily given transmit power limitation at a base station.

Deep Learning-based Limited Feedback Designs for MIMO Systems

no code implementations19 Dec 2019 Jeonghyeon Jang, Hoon Lee, Sangwon Hwang, Haibao Ren, Inkyu Lee

We study a deep learning (DL) based limited feedback methods for multi-antenna systems.

A Deep Learning Approach to Universal Binary Visible Light Communication Transceiver

no code implementations26 Oct 2019 Hoon Lee, Tony Q. S. Quek, Sang Hyun Lee

For universal support of arbitrary dimming target, the DL-based VLC transceiver is trained with multiple dimming constraints, which turns out to be a constrained training optimization that is very challenging to handle with existing DL methods.

Binarization

Deep Learning for Distributed Optimization: Applications to Wireless Resource Management

no code implementations31 May 2019 Hoon Lee, Sang Hyun Lee, Tony Q. S. Quek

This paper studies a deep learning (DL) framework to solve distributed non-convex constrained optimizations in wireless networks where multiple computing nodes, interconnected via backhaul links, desire to determine an efficient assignment of their states based on local observations.

Binarization Distributed Optimization +2

Deep Learning Framework for Wireless Systems: Applications to Optical Wireless Communications

no code implementations13 Dec 2018 Hoon Lee, Sang Hyun Lee, Tony Q. S. Quek, Inkyu Lee

Optical wireless communication (OWC) is a promising technology for future wireless communications owing to its potentials for cost-effective network deployment and high data rate.

Cannot find the paper you are looking for? You can Submit a new open access paper.