Search Results - "Um, Jungsun"
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1
Performance Analysis of Downlink Polarized Distributed Antenna Systems With Antenna Selection Diversity
Published in IEEE access (2024)“…In this paper, we consider a distributed antenna system (DAS) with polarized antennas for the industrial internet-of-things, where distributed sensor nodes…”
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Journal Article -
2
Implementation of platform for long‐term evolution cell perspective resource utilization analysis
Published in ETRI journal (01-04-2021)“…As wireless communication continues to develop in limited frequency resource environments, it is becoming important to identify the state of spectrum…”
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Journal Article -
3
Comparison of two methodologies on spectrum sharing information for unlicensed use in the 6‐GHz band
Published in ETRI journal (01-08-2022)“…With the increasing demand for unlicensed spectrum, several regulators have been opening up the 6‐GHz band for unlicensed use while ensuring compliance with…”
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Journal Article -
4
Throughput Performance Optimization of Super Dense Wireless Networks With the Renewal Access Protocol
Published in IEEE transactions on wireless communications (01-05-2016)“…As a promising solution for handling super dense wireless networks, wireless local area networks (WLANs) have been intensively considered due to their wide…”
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Journal Article -
5
Location-Probability-Based Transmission Strategy for White Space Devices With Multiple Antennas in TV White Space
Published in IEEE transactions on vehicular technology (01-08-2016)“…In the TV white space, geolocation database techniques are utilized to manage white space devices (WSDs) or secondary users' operations over the digital…”
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Journal Article -
6
Comparison of two methodologies on spectrum sharing information for unlicensed use in the 6-GHz band
Published in ETRI journal (31-08-2022)“…With the increasing demand for unlicensed spectrum, several regulators have been opening up the 6-GHz band for unlicensed use while ensuring compliance with…”
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Journal Article -
7
Implementation of platform for long-term evolution cell perspective resource utilization analysis
Published in ETRI journal (30-04-2021)“…As wireless communication continues to develop in limited frequency resource environments, it is becoming important to identify the state of spectrum…”
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Journal Article -
8
SDR-Based Frequency Interference Emulator in the Space-Time Domain and Its Application
Published in Journal of Electromagnetic Engineering and Science (01-01-2018)“…In this study, we propose a software-defined radio-based frequency interference emulator in the space-time domain. This emulator can easily model actual…”
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Journal Article -
9
SDR-Based Frequency Interference Emulator in the Space-Time Domain and Its Application
Published in Journal of Electromagnetic Engineering and Science (2018)“…In this study, we propose a software-defined radio-based frequency interference emulator in the space-time domain. This emulator can easily model actual…”
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Journal Article -
10
Implementation of SDR-based 5G NR Cell Search Equipment
Published in 2020 22nd International Conference on Advanced Communication Technology (ICACT) (01-02-2020)“…This paper describes an initial implementation of software defined radio (SDR) based 5G new radio (NR) cell search equipment. The proposed equipment is capable…”
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Conference Proceeding -
11
Implementation and performance evaluation of 256-QAM in vienna system level simulator
Published in 2018 20th International Conference on Advanced Communication Technology (ICACT) (01-02-2018)“…System level simulation (SLS) is a good method for evaluating the performance of wireless networks. By using a single computer and simplifying the level of…”
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Conference Proceeding -
12
Performance analysis of the key aspects affecting capacity of 4G LTE networks
Published in 2017 International Conference on Information and Communication Technology Convergence (ICTC) (01-10-2017)“…This paper provides a thorough analysis of the key aspects affecting the capacity of LTE networks. We group the analysis to the three major categories namely…”
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Conference Proceeding -
13
Multi-antenna-based transmission strategy in 5 GHz unlicensed band
Published in 2016 Eighth International Conference on Ubiquitous and Future Networks (ICUFN) (01-07-2016)“…Spectrum sharing technology has received a lot of attention as a promising solution for the problem on the shortage of spectrum resources due to mobile traffic…”
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Conference Proceeding Journal Article -
14
Implementation of Platform for Measurement and Analysis on LTE Traffic and Radio Resource Utilization
Published in 2019 IEEE International Conference on Consumer Electronics (ICCE) (01-01-2019)“…This paper introduces a platform that can gather and analyze the scheduling information of LTE network by decoding downlink control channel. Without connection…”
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Conference Proceeding -
15
Analysis of channel access mechanism on 5 GHz unlicensed band
Published in 2015 International Conference on Information and Communication Technology Convergence (ICTC) (01-10-2015)“…Data offloading on unlicensed band is one of the significant solutions in the era of the mobile traffic explosion. To utilize spectrum resource on unlicensed…”
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Conference Proceeding -
16
Throughput enhancement with carrier selection for LTE in unlicensed band
Published in 2015 International Conference on Information and Communication Technology Convergence (ICTC) (01-10-2015)“…In this paper, we propose a carrier selection scheme for LTE system in unlicensed band. Instead of maintaining frequency reuse factor of one as the…”
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Conference Proceeding -
17
Impact of Multiple Transmissions using Incremental Redundancy for 5G-MBS
Published in 2022 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB) (15-06-2022)“…This paper presents an impact of the incremental redundancy (IR) based multiple transmission for providing multimedia broadcast multicast service (MBMS) under…”
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Conference Proceeding -
18
Optimal throughput analysis of a super dense wireless network with the Renewal Access Protocol
Published in 2015 IEEE International Conference on Communication Workshop (ICCW) (01-06-2015)“…As Wireless Local Area Networks (WLANs) become denser and denser recently, the contention-based MAC protocol such as the IEEE 802.11 DCF, the de facto standard…”
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Conference Proceeding -
19
Low complexity spectrum sensing algorithm with integrated preprocessing for multi-channel detection
Published in 2013 International Conference on ICT Convergence (ICTC) (01-10-2013)“…Complexity required for spectrum sensing has been a critical barrier to implement cognitive radio systems, especially when multiple channels to be covered. In…”
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Conference Proceeding -
20
Simulation-based Study of LPI Interference on Fixed Microwave links in 6GHz Band
Published in 2021 International Conference on Information and Communication Technology Convergence (ICTC) (20-10-2021)“…This paper studies the impact of Low Power Indoor (LPI) devices on fixed microwave link through the simulation-based evaluation. The simulations have been…”
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Conference Proceeding