no code implementations • 18 Mar 2024 • Yang Yang, Mingzhe Chen, Yufei Blankenship, Jemin Lee, Zabih Ghassemlooy, Julian Cheng, Shiwen Mao
The purpose of this paper is to provide a comprehensive overview of existing works and new trends in the field of positioning techniques from both the academic and industrial perspectives.
no code implementations • 25 Jan 2024 • Sinwoong Yun, Dongsun Kim, Chanwon Park, Jemin Lee
In this paper, we propose the sensing and computing decision (SCD) algorithms for data freshness in the EC-enabled wireless sensor networks.
1 code implementation • 22 Mar 2023 • Jemin Lee, Yongin Kwon, Sihyeong Park, Misun Yu, Jeman Park, Hwanjun Song
For mobile devices, achieving optimal acceleration for ViTs necessitates the strategic integration of quantization techniques and efficient hybrid transformer structures.
1 code implementation • 4 Jul 2022 • Yongin Kwon, Jemin Lee, TaeHo Kim, Sangtae Ha
We propose CPrune, a compiler-informed model pruning for efficient target-aware DNN execution to support an application with a required target accuracy.
no code implementations • 10 Feb 2022 • Jemin Lee, Misun Yu, Yongin Kwon, TaeHo Kim
To adopt convolutional neural networks (CNN) for a range of resource-constrained targets, it is necessary to compress the CNN models by performing quantization, whereby precision representation is converted to a lower bit representation.
no code implementations • 1 Nov 2021 • Hewon Cho, Ying Cui, Jemin Lee
Edge computing technology has great potential to improve various computation-intensive applications in vehicular networks by providing sufficient computation resources for vehicles.
no code implementations • 29 Sep 2021 • Dongsun Kim, Sinwoong Yun, Jemin Lee, Eunbyung Park
Recently, multi-agent reinforcement learning (MARL) adopts the centralized training with decentralized execution (CTDE) framework that trains agents using the data from all agents at a centralized server while each agent takes an action from its observation.
no code implementations • 17 Jun 2021 • Minsu Kim, Jeonghun Park, Jemin Lee
We consider an optimization problem that maximizes the sum spectral efficiency of delay-tolerant users while satisfying the latency constraint of delay-constrained users, and propose a generalized power iteration (GPI) precoding algorithm that finds a principal precoding vector.
no code implementations • 14 Apr 2021 • Seongjun Kim, Minsu Kim, Jong Yeol Ryu, Jemin Lee, Tony Q. S. Quek
By considering the antenna tilt angle-based channel gain, we derive the network outage probability for both IS-BS and ES-BS schemes, and show the existence of the optimal tilt angle that minimizes the network outage probability after analyzing the conflict impact of the antenna tilt angle.
no code implementations • 17 Dec 2020 • Minsu Kim, Seongjun Kim, Jemin Lee
In this paper, we analyze the impact of a friendly unmanned aerial vehicle (UAV) jammer on UAV communications in the presence of multiple eavesdroppers.
no code implementations • 12 Nov 2020 • Minsu Kim, Sungho Lee, Chanwon Park, Jemin Lee, Walid Saad
The age of information (AoI) is a recently proposed metric for quantifying data freshness in real-time status monitoring systems where timeliness is of importance.
no code implementations • 28 Oct 2020 • Minsu Kim, Sungho Lee, Chanwon Park, Jemin Lee
In this paper, we explore the data freshness in the Hyperledger Fabric Blockchain-enabled monitoring network (HeMN) by leveraging the AoI metric.