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Akademický článek

Deep reinforcement learning‐based joint optimization of computation offloading and resource allocation in F‐RAN

Autor: Sonnam Jo, Ung Kim, Jaehyon Kim, Chol Jong, Changsop Pak

Publikováno v: IET Communications, Vol 17, Iss 5, Pp 549-564 (2023)

Abstract The fog radio access network (F‐RAN) has been regarded as a promising wireless access network architecture in the fifth generation (5G) and beyond systems to satisfy the increasing requirements for low‐latency and high‐throughput servi

Externí odkaz: https://doaj.org/article/834fa3907f324252b9b9e43fdecb1615

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Akademický článek

Multi‐agent deep reinforcement learning‐based energy efficient power allocation in downlink MIMO‐NOMA systems

Autor: Sonnam Jo, Chol Jong, Changsop Pak, Hakchol Ri

Publikováno v: IET Communications, Vol 15, Iss 12, Pp 1642-1654 (2021)

Abstract NOMA and MIMO are considered to be the promising technologies to meet huge access demands and high data rate requirements of 5G wireless networks. In this paper, the power allocation problem in a downlink MIMO‐NOMA system to maximize the e

Externí odkaz: https://doaj.org/article/a624bbc5cc8148c18818c5f0d828cf5a

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Control of the Optical Response of an Artificial Hybrid Nanosystem Due to the Plasmon-Exciton Plasmon Coupling Effect

Autor: Ko, Myong-Chol, Kim, Nam-Chol, Jang, Chol-Jong, Kim, Gwang-Jin, Hao, Zhong-Hua, Li, Jian-Bo, Wang, Qu-Quan

The optical response of an artificial hybrid molecule system composed of two metallic nanoparticles (MNPs) and a semiconductor quantum dot (SQD) is investigated theoretically due to the plasmon-exciton-plasmon coupling effects on the absorption prope

Externí odkaz: http://arxiv.org/abs/1708.06636

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Interparticle Coupling Effects of Two Quantum Dots System on the Transport Properties of a Single Plasmon

Autor: Kim, Nam-Chol, Ko, Myong-Chol, Choe, Song-Il, Jang, Chol-Jong, Kim, Gwang-Jin, Hao, Zhong-Hua, Li, Jian-Bo, Wang, Qu-Quan

Transport properties of a single plasmon interacting with two quantum dots (QDs) system coupled to one-dimensional surface plasmonic waveguide are investigated theoretically via the real-space approach. We mainly focus on the coupling effects of the

Externí odkaz: http://arxiv.org/abs/1708.06635

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Reaction Mechanisms of Synthesis of 3,4-Epoxybutyric Acid from 3-Hydroxy-{\gamma}-Butyrolactone by Density Functional Theory

Autor: Yu-Chol, Jong, Jong-Won, Rim, Yun-Hui, Ju, Kye-Ryong, Sin

In this paper, carried out were the investigations on the synthetic reaction mechanisms of 3,4-epoxybutyric acid (EBA) from 3-hydroxy-{\gamma}-butyrolactone (HBL) with two different activating agents, methanesulfonyl chloride (MC) or acetic acid (AA)

Externí odkaz: http://arxiv.org/abs/1604.08311

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