no code implementations • 3 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.
no code implementations • 7 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.
no code implementations • 5 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.
no code implementations • 21 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).
no code implementations • 12 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.
no code implementations • 3 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).
no code implementations • 27 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.
no code implementations • 6 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.
no code implementations • 15 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.
no code implementations • 21 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.
no code implementations • 2 Mar 2021 • Junbeom Kim, Hoon Lee, Seok-Hwan Park
This paper investigates a learning solution for robust beamforming optimization in downlink multi-user systems.
no code implementations • 2 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.
no code implementations • 19 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.
no code implementations • 26 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.
no code implementations • 31 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.
no code implementations • 13 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.