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| WoS | SCOPUS | Document Type | Document Title | Abstract | Authors | Affiliation | ResearcherID (WoS) | AuthorsID (SCOPUS) | Author Email(s) | Journal Name | JCR Abbreviation | ISSN | eISSN | Volume | Issue | WoS Edition | WoS Category | JCR Year | IF | JCR (%) | FWCI | FWCI Update Date | WoS Citation | SCOPUS Citation | Keywords (WoS) | KeywordsPlus (WoS) | Keywords (SCOPUS) | KeywordsPlus (SCOPUS) | Language | Publication Stage | Publication Year | Publication Date | DOI | JCR Link | DOI Link | WOS Link | SCOPUS Link |
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| ○ | Article | Optimizing Message Transfers in Distributed Messaging Systems through Topic and Partition Management | As stream data processing technology becomes more important, messaging systems such as Apache Kafka, RabbitMQ, and ActiveMQ are being used to transfer large amounts of data fast and without loss. Apache Kafka is a representative distributed messaging system, which can deliver data generated in real time. In Apache Kafka, a broker is composed of multiple topics with different numbers of partitions. As the number of partitions increases, its processing speed also increases, but problems with CPU and memory usages also occur. In this article, we show why the number of partitions should be configured to reduce resource usages without impact on target performance. Based on our extensive experimental results, we propose a mechanism that can change the number of partitions according to the amount of transferred message under different execution environments. © 2024, Korean Institute of Communications and Information Sciences. All rights reserved. | Nam, Beomjun; Kwon, Young-Woo | Kyungpook National University, South Korea; Kyungpook National University, South Korea | 58965047900; 57208480210 | ywkwon@knu.ac.kr; | Journal of Korean Institute of Communications and Information Sciences | 1226-4717 | 49 | 1 | 0 | 2025-04-16 | 0 | Apache Kafka; Distributed messaging; Partition; Streaming processing; Topic | Korean | Final | 2024 | 10.7840/kics.2024.49.1.79 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Conference paper | Optimizing Multithreaded Access to Global Variables in SPM through Compiler-Enhanced Dependency Analysis | Scratchpad memory (SPM) occupies less space and consumes less energy than cache memory. However, unlike with cache memory, the user or the compiler must directly allocate the data or instructions. In this paper, we propose a new compiler based on the LLVM compiler that allocates frequently used global variables to the SPM and addresses issues in a multi-threaded environment with frequent I/O operations. The results demonstrate approximately a 27% reduction in energy consumption. © 2024 IEEE. | Jeon, Gihyeon; Park, Daejin | School of Electronic and Electrical Engineering, Kyungpook National University, South Korea; School of Electronic and Electrical Engineering, Kyungpook National University, South Korea | 57220752866; 55463943600 | boltanut@knu.ac.kr; | IEEE Region 10 Annual International Conference, Proceedings/TENCON | 2159-3442 | 0 | 2025-05-07 | 0 | Multitasking; Program compilers; Dependency analysis; Energy; Global variables; LLVM compilers; Multithreaded; Multithreaded environments; Reduction in energy consumption; Scratch-pad memory; Cache memory | English | Final | 2024 | 10.1109/tencon61640.2024.10902979 | 바로가기 | 바로가기 | ||||||||||||||||||
| ○ | Article | Optimizing ultrasonic-assisted extraction and untargeted metabolite identification from red water lily (Nymphaea rubra) leaves with enhanced antioxidant activity | This study aimed to optimize the ultrasonic-assisted extraction of polyphenolic compounds from red water lily (Nymphaea rubra) leaves (NRL) with heightened antioxidant activities and perform untargeted metabolite identification. Response surface methodology, employing Box-Behnken design, determined optimal conditions: 53.0 % ethanol, 32.0 min extraction time, and 53.0 °C temperature. The resulting extraction demonstrated significant total phenolic content of 45.12 ± 1.12 mgGAE/g and total flavonoid content of 44.05 ± 1.65 mgCAE/g. High-resolution mass spectrometry identified 150 secondary metabolites, encompassing phenols, flavonoids, tannins, terpenoids, and fatty acids. The optimized NRL extract exhibited notably increased radical scavenging abilities (19.21 ± 1.71 μM ASCE/g for DPPH and 24.59 ± 1.35 μM ASCE/g for ABTS) along with elevated reducing power potential (63.35 ± 4.28 μM ASCE/g for CUPRAC and 61.32 ± 2.56 μM ASCE/g for FRAP) in comparison to traditional extracts, which ranged from (7.23 ± 1.58 to 15.13 ± 1.79 μM ASCE/g, 13.29 ± 1.32 to 19.29 ± 1.69 μM ASCE/g, 22.74 ± 1.68 to 54.37 ± 3.38 μM ASCE/g, 24.14 ± 2.00 to 52.77 ± 2.33 μM ASCE/g for DPPH, ABTS, CUPRAC and FRAP, respectively). This suggests its promising potential for incorporation into antioxidant-rich functional foods. These findings underscore NRL's promise for commercial applications in the nutraceutical, food, and pharmaceutical industries. © 2024 The Author(s) | Naznin, Marufa; Alam, Md Badrul; Lee, Sang-Han; Kim, Sunghwan | Department of Chemistry, Kyungpook National University, Daegu, 41566, South Korea; Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, South Korea, Food and Bio-Industry Research Institute, Inner Beauty/Antiaging Center, Kyungpook National University, Daegu, 41566, South Korea; Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, South Korea, Food and Bio-Industry Research Institute, Inner Beauty/Antiaging Center, Kyungpook National University, Daegu, 41566, South Korea; Department of Chemistry, Kyungpook National University, Daegu, 41566, South Korea, Mass Spectrometry Converging Research Center and Green-Nano Materials Research Center, Daegu, 41566, South Korea | 57195955389; 56706777100; 57221453703; 57203772967 | sang@knu.ac.kr; | Food Chemistry Advances | 2772-753X | 4 | 0.83 | 2025-05-07 | 3 | Antioxidant; High-resolution mass spectrometry; Nymphaea rubra; Response surface methodology; Secondary metabolites | alcohol; carboxylic acid derivative; fatty acid derivative; flavonoid; phenol derivative; polyphenol derivative; tannin derivative; terpenoid derivative; ABTS radical scavenging assay; antioxidant activity; Article; Box Behnken design; comparative study; controlled study; cupric reducing antioxidant capacity; DPPH radical scavenging assay; drug industry; extraction time; ferric reducing antioxidant power assay; food industry; free radical scavenging assay; health promotion; mass spectrometry; nonhuman; Nymphaea; plant identification; plant leaf; process optimization; response surface method; room temperature; secondary metabolism; ultrasound assisted extraction; validation study | English | Final | 2024 | 10.1016/j.focha.2024.100696 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Conference paper | Parallel Processing of 3D Object Recognition by Fusion of 2D Images and LiDAR for Autonomous Driving | At the moment, autonomous driving requires a lot of sensors: cameras, lidar, etc. It takes a lot of time and resources to process all the input data from these sensors. In this paper, we reduce the processing time and resources of lidar and camera data by parallelizing the input data of autonomous vehicles. Cameras mounted on autonomous vehicles are often wide-angle or have multiple angles of view. These multiple camera inputs are flattened and processed in parallel, and then YOLO is used to combine the 3D data from the lidar with the 2D inputs from the camera. By combining cameras from multiple angles and processing them in parallel, except where they overlap, you can reduce the time it would take to process each image serially. This algorithm is also highly scalable as it can be applied to a single camera rather than multiple camera sensors. Experiments were conducted using KITTY and YOLO with labelled 3D lidar data and 2D image data. The FPS is 7.98, which is fast, and the parallel processing reduces the time by about 1.4 times. © 2024 IEEE. | Heuijee, Yun; Park, Daejin | School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, South Korea; School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, South Korea | 58966829000; 55463943600 | boltanut@knu.ac.kr; | 2024 International Conference on Electronics, Information, and Communication, ICEIC 2024 | 0 | 2025-04-16 | 0 | Autonomous driving; camera; deep learning; lidar; parallel processing | Cameras; Deep learning; Input output programs; Object recognition; Optical radar; 2D images; 3d object recognition; Autonomous driving; Autonomous Vehicles; Deep learning; Input datas; Multiple cameras; Parallel processing; Processing resources; Processing time; Autonomous vehicles | English | Final | 2024 | 10.1109/iceic61013.2024.10457186 | 바로가기 | 바로가기 | ||||||||||||||||||
| ○ | Article | PARAMETRIC OPERATIONS FOR TWO 3-DIMENSIONAL TRAPEZOIDAL FUZZY SETS | We extend the parametric operator for trapezoidal fuzzy sets to three dimensions. We define and calculate parametric operators between 3D trapezoidal fuzzy sets and present the results in a graph. Since the graph is defined in 3D space and drawn in 4D, it cannot be represented in 3D. The presented graph is drawn in three dimensions using a special definition of a fuzzy number in which the membership function’s value ranges from 0 to 1. The membership function’s value at each point is expressed as the color intensity at that point. If you cut the graph into a plane passing through the longest axis, you can observe that different function values on the plane are represented by colors of varying intensities. As it is a trapezoidal fuzzy set, a certain portion of the center shares the same color. By presenting this graph, the results will be cited and applied in various areas, similar to the one-dimensional and two-dimensional results. © 2024 Asia Pacific Journal of Mathematics. | Yun, Yong Sik; Lee, Bongju | Department of Mathematics, Jeju National University, Jeju, 63243, South Korea; Department of Mathematics Education, Kyungpook National University, Daegu, 41566, South Korea | 7201731116; 56178581400 | leebj@knu.ac.kr; | Asia Pacific Journal of Mathematics | 2357-2205 | 11 | 0 | 2025-05-07 | 0 | 3-dimensional trapezoidal fuzzy set; mathematics; parametric operation | English | Final | 2024 | 10.28924/apjm/11-104 | 바로가기 | 바로가기 | |||||||||||||||||
| ○ | Conference paper | PARCv2: Physics-aware Recurrent Convolutional Neural Networks for Spatiotemporal Dynamics Modeling | Modeling unsteady, fast transient, and advection-dominated physics problems is a pressing challenge for physics-aware deep learning (PADL). The dynamics of complex systems is governed by large systems of partial differential equations (PDEs) and ancillary constitutive models with nonlinear structures, as well as evolving state fields exhibiting sharp gradients and rapidly deforming material interfaces. Here, we investigate an inductive bias approach that is versatile and generalizable to model the generic nonlinear field evolution problem. Our study focuses on the recent physics-aware recurrent convolutions (PARC), which incorporates a differentiator-integrator architecture that inductively models the spatiotemporal dynamics of generic physical systems. We extend the capabilities of PARC to simulate unsteady, transient, and advection-dominant systems. The extended model, referred to as PARCv2, is equipped with differential operators to model advection-reaction-diffusion equations, as well as a hybrid integral solver for stable, long-time predictions. PARCv2 is tested on both standard benchmark problems in fluid dynamics, namely Burgers and Navier-Stokes equations, and then applied to more complex shock-induced reaction problems in energetic materials. We evaluate the behavior of PARCv2 in comparison to other physics-informed and learning bias models and demonstrate its potential to model unsteady and advection-dominant dynamics regimes. Copyright 2024 by the author(s) | Nguyen, Phong C.H.; Cheng, Xinlun; Azarfar, Shahab; Seshadri, Pradeep; Nguyen, Yen T.; Kim, Munho; Choi, Sanghun; Udaykumar, H.S.; Baek, Stephen | School of Data Science, University of Virginia, United States; School of Data Science, University of Virginia, United States, Department of Astronomy, University of Virginia, United States; School of Data Science, University of Virginia, United States; Department of Mechanical Engineering, University of Iowa, United States; Department of Mechanical Engineering, University of Iowa, United States; School of Mechanical Engineering, Kyungpook National University, South Korea; School of Mechanical Engineering, Kyungpook National University, South Korea; Department of Mechanical Engineering, University of Iowa, United States; School of Data Science, University of Virginia, United States, Department of Mechanical and Aerospace Engineering, University of Virginia, United States | 57669847600; 55602424200; 57219585823; 57202957737; 57202649740; 57948529200; 55847101000; 57204260791; 57191200449 | baek@virginia.edu; | Proceedings of Machine Learning Research | 2640-3498 | 235 | 0 | 2025-05-07 | 0 | Constitutive equations; Shock problems; Convolutional neural network; Deforming materials; Dynamics models; Fast transients; Large system; Material interfaces; Nonlinear structure; Pressung; Spatio-temporal dynamics; Systems of partial differential equations; Navier Stokes equations | English | Final | 2024 | 바로가기 | |||||||||||||||||||
| ○ | Book chapter | Passive cooling methods for battery thermal management | The efficacy of power batteries serves as a significant barrier to the shift from traditional internal combustion engine vehicles to electric vehicles (EVs). The performance, durability, and safety of the prevalent lithium-ion battery are notably impacted by temperature variations. Consequently, it is vital for EVs to integrate an effective battery thermal management system (BTMS). The BTMS aims to alleviate adverse thermal effects by minimizing the maximum battery temperature and the temperature disparity within the battery pack itself. This section provides an in-depth review of several passive battery thermal control solutions. The examination primarily emphasizes passive BTMS that employ phase-change materials (PCMs) and heat pipes as central components. The results indicate that BTMSs which incorporate PCM and heat pipes can offer superior thermal regulation while eliminating the necessity for power consumption. This section also delivers recommendations for the creation of practical and cost-effective BTMS with reduced power requirements, and decreased size and weight. © 2024 Elsevier Inc. All rights reserved. | Tauseef-ur-Rehman; Lamba, Ravita; Ambreen, Tehmina; Tanveer, Muhammad; Singh, Sarveshwar; Park, Cheol Woo; Ali, Hafiz Muhammad | School of Mechanical Engineering, Kyungpook National University, Daegu, South Korea; Department of Electrical Engineering, Malaviya National Institute of Technology, Jaipur, India; Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield, United Kingdom, School of Physics, Engineering, and Computer Science, University of Hertfordshire, Hatfield, United Kingdom; School of Mechanical Engineering, Kyungpook National University, Daegu, South Korea; Department of Electronics and Communication, Shobhit University, Meerut, India; School of Mechanical Engineering, Kyungpook National University, Daegu, South Korea; Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia, Interdisciplinary Research Center for Renewable Energy and Power Systems (IRC-REPS), King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia | 57483328700; 55943560100; 57195420431; 23486949200; 57202449559; 7408416474; 55749198400 | Thermal Management for Batteries: From Basic Design to Advanced Simulation and Management Methods | 0 | 2025-05-07 | 0 | BTMS; Heat pipe; Passive cooling; PCM | English | Final | 2024 | 10.1016/b978-0-443-19025-4.00017-8 | 바로가기 | 바로가기 | ||||||||||||||||||||
| ○ | Article | PCM-based hybrid thermal management system for photovoltaic modules: A comparative analysis | Proper temperature regulation of photovoltaic (PV) modules increases their performance. Among various cooling techniques, phase change materials (PCMs) represent an effective thermal management route, thanks to their large latent heat at constant temperatures. Radiative cooling (RC) is also recently explored as a passive option for PV temperature regulation. In this paper, a heat sink (HS), phase change materials, and radiative cooling are integrated with photovoltaic modules to achieve low and uniform temperature distribution along the PV module and improved performance. Eight different combinations are considered for the proposed system, including HS, PCM, and RC, and their various combinations. The PCM is selected according to the environmental conditions of the selected location. A comprehensive 2-D model is developed and analyzed in COMSOL-Multiphysics software by solving the governing equations using the finite element method. The performance analysis is carried out for the climatic conditions of the Atacama Desert, having high solar radiation and ambient temperature. The effects of PCM height, ambient temperature, wind velocity, and solar radiation on the performance of the proposed system are studied. The performance of eight different configurations is also compared. The maximum reductions in PV temperature, maximum PV power, and a minimum drop in PV conversion efficiency are observed to be 22 oC, 152 W, and 14% using a combined heat sink and radiative cooling systems, among all other configurations. The findings of this study can be used to select the best PV cooling method among different configurations. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. | Lamba, Ravita; Montero, Francisco Javier; Rehman, Tauseef-Ur; Singh, Sarveshwar; Manikandan, Sundararaj | Department of Electrical Engineering, Malaviya National Institute of Technology Jaipur, Malaviya Nagar, Rajasthan, Jaipur, 302017, India; Departamento de Ciencias de la Energía y Mecánica, Universidad de las Fuerzas Armadas ESPE, P.O. Box 171, Sangolquí, 5-231B, Ecuador, Departamento de Ingeniería Mecánica y Metalúrgica, Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Santiago de Chile, 7820436, Chile; School of Mechanical Engineering, Kyungpook National University, Daegu, 41566, South Korea; Department of Electronics and Communication Engineering, Shobhit Institute of Engineering & Technology, Modipuram, Uttar Pradesh, Meerut, 250 110, India; Department of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, Chennai, 603203, India | 55943560100; 57201877489; 57159403400; 57202449559; 56517822400 | tauseef@knu.ac.kr; | Environmental Science and Pollution Research | 0944-1344 | 31 | 34 | 2.1 | 2025-05-07 | 13 | Heat sink; PCM; Photovoltaic; Power output; Radiative cooling; Thermal management | Models, Theoretical; Solar Energy; Temperature; Atacama Desert; Chile; Conversion efficiency; Cooling systems; Heat sinks; Phase change materials; Radiation effects; Solar panels; Solar radiation; Temperature; Comparative analyzes; Cooling technique; Material-based; Performance; Photovoltaic modules; Photovoltaics; Power output; Radiative cooling; Temperature regulations; Thermal management systems; cooling; energy efficiency; environmental conditions; photovoltaic system; software; solar radiation; wind velocity; solar energy; temperature; theoretical model; Temperature control | English | Final | 2024 | 10.1007/s11356-023-27809-1 | 바로가기 | 바로가기 | |||||||||||||||
| ○ | Article | Peltaster fructicola: Undescribed Sooty Blotch and Flyspeck Species on Apple Fruit in Korea | While investigation of the fungal diseases on apples collected from Cheongsong-gun and Bonghwa-gun in Gyeongbuk province, Korea, between August and September 2023 isolated five fungal strains from fruits with sooty blotch and flyspeck (SBFS) disease. The strains were designated as KNUF-23-CS02, KNUF-23-CS-06, KNUF-23-CS12, KNUF-23-BH01, and KNUF-23-BH03. When grown on potato dextrose agar and 2% water agar, the cultural characteristics of the strains were similar to those previously reported characteristics of Peltaster fructicola Pf001. The strains produced monoblastic, hyaline conidiogenous cells; the conidia were hyaline, unicellular, cylindrical to ovoidal, and 3.5-7×1.7-3.9 and 4.0-6.6×1.8-3.2 μm in size on synthetic nutrient-poor agar or water agars, respectively. Secondary conidia production by microcyclic conidiation and budding was observed. The KNUF-23-BH03 strain was shown to cause SBFS symptoms similar to those observed on the apples in the pathogenicity test. Molecular phylogenetic analyses were conducted based on the isolated species sequences of the internal transcribed spacer region, nuclear large ribosomal DNA subunit, and mitochondrial small ribosomal RNA subunit gene. The five strains were clustered with Peltaster fructicola Pf001. Based on the cultural and morphological characteristics and phylogenetic analysis, the five strains were identified as Peltaster fructicola, which has not been previously reported in Korea. © 2024 THE KOREAN SOCIETY OF MYCOLOGY. | Choi, Jun-Woo; Lim, Seong-Keun; Lee, Seo-Ryeong; Back, Chang-Gi; Kang, In-Kyu; Lee, Seung-Yeol; Jung, Hee-Young | Department of Plant Medicine, Kyungpook National University, Daegu, 41566, South Korea; Department of Plant Medicine, Kyungpook National University, Daegu, 41566, South Korea; Department of Plant Medicine, Kyungpook National University, Daegu, 41566, South Korea; Department of Environmental Horticulture and Landscape Architecture, Environmental Horticulture, Dankook University, Cheonan, 31116, South Korea; Department of Horticultural Science, Kyungpook National University, Daegu, 41566, South Korea; Department of Plant Medicine, Kyungpook National University, Daegu, 41566, South Korea, Institute of Plant Medicine, Kyungpook National University, Daegu, 41566, South Korea; Department of Plant Medicine, Kyungpook National University, Daegu, 41566, South Korea, Institute of Plant Medicine, Kyungpook National University, Daegu, 41566, South Korea | 59213079300; 57756003900; 59213287000; 36144957400; 56577308800; 56106499600; 7403029383 | leesy1123@knu.ac.kr; | Korean Journal of Mycology | 0253-651X | 52 | 2 | 0 | 2025-05-07 | 0 | Apple; flyspeck disease; Morphology; Peltaster fructicola; Phylogenetic analysis; Sooty blotch | English | Final | 2024 | 10.4489/kjm.520207 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Article | Perceptions of Physics Teachers on Quantum Physics Education; [물리 교사들의 양자 물리학 교육에 대한 인식] | As quantum technology becomes crucial for society, its importance in secondary school education is growing. This study explores physics teachers’ perceptions of quantum physics education to provide insights for teaching. This study assessed teachers’ interest, teaching efficacy, the necessity and importance of teaching compared to other physics areas, along with their perceptions of quantum physics curriculum. A nationwide survey of 125 physics teachers revealed that, while they acknowledge the importance of quantum physics, their interest, efficacy, and perceived necessity in an educational context were lower than for other physics areas. Career relevance and societal advancement were the main reasons cited for the need to teach quantum physics, with over 60% supporting its inclusion in the curriculum. Familiarity with new quantum topics is generally low, especially among less experienced teachers. Although there is a positive outlook on expanding quantum physics education, the lower emphasis compared to classical physics and unfamiliarity with new concepts suggest the need for improved teacher training to introduce quantum physics into schools. © 2024 Korean Physical Society. All rights reserved. | Kwon, Munho; Im, Sungmin | Kyungpook National University High School, Daegu, 41950, South Korea; Department of Physics Education, Daegu University, Gyeongsan, 38453, South Korea | 57208348111; 7201625811 | ismphs@daegu.ac.kr; | New Physics: Sae Mulli | 0374-4914 | 74 | 9 | 0.35 | 2025-05-07 | 1 | 2022 revised curriculum; Perception on quantum physics education; Physics teacher; Quantum physics; Teaching efficacy | Korean | Final | 2024 | 10.3938/npsm.74.925 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Article | Performance Evaluation of DQN-Based Congestion Control Algorithm for TCP | The existing TCP congestion control suffers from the problem of slow congestion window (cwnd) increase, leading to underutilization of available bandwidth in environments where there is either a very large link bandwidth or frequent changes in channel characteristics. To address these issues, research on adaptive TCP congestion control using machine learning has been consistently progressing. In this paper, we propose DQN-based NewReno and DQN-based CUBIC, which enhance performance by applying a type of reinforcement learning, Deep-Q Network (DQN) to TCP congestion control algorithms. The implemented algorithms underwent performance evaluation using the Network Simulator 3 (NS3). Experimental results reveal that DQN-based CUBIC, in particular, demonstrates higher throughput compared to traditional congestion control. Additionally, fairness between different congestion control and round-trip time (RTT) fairness is also improved. © 2024, Korean Institute of Communications and Information Sciences. All rights reserved. | Seo, Sang-Jin; Cho, You-Ze | Kyungpook National University, South Korea; Kyungpook National University, South Korea | 57563304000; 7404469829 | yzcho@ee.knu.ac.kr; | Journal of Korean Institute of Communications and Information Sciences | 1226-4717 | 49 | 4 | 0 | 2025-05-07 | 0 | Deep Q-Network; Reinforcement Learning; TCP Congestion Control; TCP CUBIC | Korean | Final | 2024 | 10.7840/kics.2024.49.4.567 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Article | Performance Evaluation of Multipath TCP with Multiple Cellular Networks on High-Speed Trains | In environments with high mobility, such as high-speed trains, the status of wireless signals changes rapidly, leading to network instability and decreased throughput due to frequent handoffs between base stations. Even when applying high-capacity wireless technologies like 5G and 6G to high-speed trains, the existing TCP, which uses a single path, cannot resolve handoff issues occurring in high-speed train environments. To provide faster internet services on KTX trains, KORAIL has introduced a load balancing system with multiple cellular networks. However, since it's not possible to simultaneously utilize the bandwidth of multiple cellular networks, research on applying MPTCP is necessary to address these issues. This paper investigates the characteristics of both the load balancing system with multiple cellular networks and MPTCP to compare their performance in the high-speed train environment. Additionally, a test bed was constructed based on data measured in an actual high-speed train environment to analyze and compare the performance of the load balancing system and MPTCP. In comparison to the existing load balancing system, it has been confirmed that the throughput increases in the MPTCP, and stable data transmission occurs even during handoff events. © 2024, Korean Institute of Communications and Information Sciences. All rights reserved. | Kim, Eung-Hyup; Kim, Min-Ki; Cho, You-Ze; Ju Kang, Soon | School of Electronics Engineering, Kyungpook National University, South Korea; School of Electronics Engineering, Kyungpook National University, South Korea; School of Electronics Engineering, Kyungpook National University, South Korea; School of Electronics Engineering, Kyungpook National University, South Korea | 56152203200; 58556690800; 7404469829; 55666313900 | yzcho@ee.knu.ac.kr; | Journal of Korean Institute of Communications and Information Sciences | 1226-4717 | 49 | 9 | 0 | 2025-05-07 | 0 | handoff; high-speed trains; load balancing system; MPTCP proxy; multiple cellular networks | Korean | Final | 2024 | 10.7840/kics.2024.49.9.1240 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | ○ | Article | Personal Trajectories and National History: Why the Goryeo People Went to the Mongol Empire and How They Lived There | The study of Korean history in the 13(th) and 14(th) centuries, when Eurasia was unified with the rise of the Mongol Empire, is still dominated by a dichotomous view of Mongol interference and Goryeo resistance. However, the relationship with the Mongol Empire imposed constraints and burdens on the Goryeo state, but it also provided new opportunities for the Goryeo people. The state-to-state relationship between Goryeo and the Mongol Empire had a profound effect on the lives of the people who lived during this period. The individual trajectories that various groups of Goryeo people, including women, eunuchs, monks, and scholars, followed in the Mongol Empire after their voluntary or involuntary journeys to the Mongol Empire under these external circumstances influenced events that, whether they intended it or not, in turn, had a decisive impact on the unfolding of Goryeo and Korean history. While the Goryeo state drew lines and judged their lives based on their attitudes toward the Goryeo state, in the Mongol Empire, where the Goryeo people settled, they formed bonds and networks of relationships that were somewhat independent of such lines and judgments by the Goryeo state. This article aims to overcome the national historical perspectives of interference and resistance that have been central to understanding the Goryeo-Mongol relations by examining the diverse backgrounds of the Goryeo people who traveled to the Mongol Empire and the trajectories of their lives there from their perspectives. | Myungmi, Lee | Kyungpook Natl Univ, Dept Hist, Daegu, South Korea | 59519159500 | mmlee4@knu.ac.kr; | REVIEW OF KOREAN STUDIES | REV KOREAN STUD | 1229-0076 | 27 | 2 | ESCI | ASIAN STUDIES | 2024 | 0.2 | 0 | 2025-05-07 | 0 | 0 | Goryeo-Mongol relations; the national historical perspectives; tributary women; eunuchs; confucian scholars | confucian scholars; eunuchs; Goryeo-Mongol relations; the national historical perspectives; tributary women | English | 2024 | 2024-12 | 10.25024/review.2024.27.2.113 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||||
| ○ | Book chapter | Phase Change Material Applications in Thermal Management of Electronics and Electrical Systems | The escalating power densities and shrinking size of electronic devices present formidable challenges in achieving effective thermal management, particularly for high-performance chips. The failure rate of electronic devices exhibits an exponential rise with escalating operating temperatures. The prevailing design trend in modern electronics, characterized by smaller and faster components, engenders elevated power densities, heightened operating temperatures, and compromised performance and longevity of electronic devices. In light of these challenges, researchers have been actively investigating the applicability of phase change materials in electronic cooling. This chapter provides an exposition of these materials as a prospective solution for electronic cooling, with a particular focus on passive and hybrid cooling methodologies. Passive cooling methods include phase change material-enhanced heat sinks, heat pipes, and phase change material-integrated thermal interface materials. Hybrid cooling systems, on the other hand, involve the integration of phase change materials in conjunction with air, liquid, and thermoelectric cooling techniques. These cooling methodologies hold immense promise in augmenting heat dissipation and averting overheating, thereby ensuring the attainment of optimal performance and prolonged lifespan for electronic devices. © 2025 selection and editorial matter, Hafiz Muhammad Ali; individual chapters, the contributors. | Ambreen, Tehmina; Saleem, Arslan; Ruiz-Hincapie, Paula; Kulkarni, Anirudh; Ali, Hafiz Muhammad; Park, Cheol Woo | School of Engineering The University of Sheffield, Sheffield, United Kingdom; Cardiff School of Engineering, Cardiff University Cardiff, United Kingdom; School of Physics, Engineering, and Computer Science, University of Hertfordshire, Hatfield, United Kingdom; Department of Mechanical Engineering, School of Technology, Pandit Deendayal Energy University Gandhinagar, Gujarat, India; Mechanical Engineering Department, Interdisciplinary Research Center for Sustainable Energy Systems (IRC-SES) King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia; School of Mechanical Engineering, Kyungpook National University, Bukgu Daegu, South Korea | 57195420431; 57194776354; 59195056100; 57981444600; 55749198400; 7408416474 | Phase Change Materials for Thermal Energy Management and Storage: Fundamentals and Applications | 0 | 2025-05-07 | 0 | English | Final | 2024 | 10.1201/9781003331957-9 | 바로가기 | 바로가기 | |||||||||||||||||||||
| ○ | Review | Photocatalytic and electrocatalytic degradation of bisphenol A in the presence of graphene/graphene oxide-based nanocatalysts: A review | Bisphenol A (BPA), a widely recognized endocrine disrupting compound, has been discovered in drinking water sources/finished water and domestic wastewater influent/effluent. Numerous studies have shown photocatalytic and electrocatalytic oxidation to be very effective for the removal of BPA, particularly in the addition of graphene/graphene oxide (GO)-based nanocatalysts. Nevertheless, the photocatalytic and electrocatalytic degradation of BPA in aqueous solutions has not been reviewed. Therefore, this review gives a comprehensive understanding of BPA degradation during photo-/electro-catalytic activity in the presence of graphene/GO-based nanocatalysts. Herein, this review evaluated the main photo-/electro-catalytic degradation mechanisms and pathways for BPA removal under various water quality/chemistry conditions (pH, background ions, natural organic matter, promotors, and scavengers), the physicochemical characteristics of various graphene/GO-based nanocatalysts, and various operating conditions (voltage and current). Additionally, the reusability/stability of graphene/GO-based nanocatalysts, hybrid systems combined with ozone/ultrasonic/Fenton oxidation, and prospective research areas are briefly described. © 2024 Elsevier Ltd | Jun, Byung-Moon; Nam, Seong-Nam; Jung, Bongyeon; Choi, Jong Soo; Park, Chang Min; Choong, Choe Earn; Jang, Min; Jho, Eun Hea; Son, Ahjeong; Yoon, Yeomin | Radwaste Management Center, Korea Atomic Energy Research Institute (KAERI), 111 Daedeok-Daero 989beon-gil, Yuseong-Gu, Daejeon, 34057, South Korea; Military Environmental Research Center, Korea Army Academy at Yeongcheon, 495 Hoguk-ro, Gogyeong-myeon, Gyeongsangbuk-do, Yeongcheon-si, 38900, South Korea; Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea; Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea; Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, South Korea; Department of Environmental Engineering, Kwangwoon University, 447-1 Wolgye-dong Nowon-gu, Seoul, South Korea; Department of Environmental Engineering, Kwangwoon University, 447-1 Wolgye-dong Nowon-gu, Seoul, South Korea; Department of Agricultural Chemistry, Chonnam National University, Gwangju, 61186, South Korea; Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea; Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea | 55326699900; 57226757907; 57211690823; 57202287234; 57209588953; 57200944393; 36762550700; 35082050000; 23487252600; 7402126688 | yoony@ewha.ac.kr; | Chemosphere | 0045-6535 | 356 | 1.36 | 2025-05-07 | 11 | Bisphenol a; Contaminant removal; Electrocatalysis; Photocatalysis; Water treatment | Benzhydryl Compounds; Catalysis; Electrochemical Techniques; Endocrine Disruptors; Graphite; Oxidation-Reduction; Phenols; Photochemical Processes; Water Pollutants, Chemical; Water Purification; Binding energy; Chemicals removal (water treatment); Degradation; Endocrine disrupters; Graphene; Hybrid systems; Nanocatalysts; Phenols; Potable water; Reusability; Water pollution; Water quality; 4,4' isopropylidenediphenol; graphene; graphene oxide; natural organic matter; ozone; scavenger (compound); 4,4' isopropylidenediphenol; benzhydryl derivative; endocrine disruptor; graphene oxide; graphite; phenol derivative; Bis-phenol a; Bisphenol A; Bisphenols-A; Contaminant removal; Drinking water sources; Electrocatalytic degradations; Endocrine disrupting compound; Graphene oxides; Nano-catalyst; Photocatalytic degradation; catalysis; drinking water; dye; electrokinesis; literature review; nanoparticle; oxidation; photodegradation; pollutant removal; wastewater treatment; water treatment; degradation kinetics; electric current; electric potential; electrocatalysis; Fenton reaction; nanocatalyst; ozonation; pH; photocatalysis; physical chemistry; recycling; Review; ultrasound; water quality; catalysis; chemistry; electrochemical analysis; oxidation reduction reaction; photochemistry; procedures; water management; water pollutant; Electrocatalysis | English | Final | 2024 | 10.1016/j.chemosphere.2024.141941 | 바로가기 | 바로가기 |
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