Search Results - "Um, Jungsun"

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  1. 1

    Performance Analysis of Downlink Polarized Distributed Antenna Systems With Antenna Selection Diversity by Um, Jungsun, Park, Jaehyun

    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. 2

    Implementation of platform for long‐term evolution cell perspective resource utilization analysis by Um, Jungsun, Kim, Igor, Park, Seungkeun

    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. 3

    Comparison of two methodologies on spectrum sharing information for unlicensed use in the 6‐GHz band by Um, Jungsun, Kim, Bongsu, Kim, Igor, Park, Seungkeun

    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. 4

    Throughput Performance Optimization of Super Dense Wireless Networks With the Renewal Access Protocol by Kim, Yunbae, Hwang, Ganguk, Um, Jungsun, Yoo, Sungjin, Jung, Hoiyoon, Park, Seungkeun

    “…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. 5

    Location-Probability-Based Transmission Strategy for White Space Devices With Multiple Antennas in TV White Space by Um, Jungsun, Park, Jaehyun, Chun, Joohwan, Park, Seungkeun

    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. 6

    Comparison of two methodologies on spectrum sharing information for unlicensed use in the 6-GHz band by Um, Jungsun, Kim, Bongsu, Kim, Igor, Park, Seungkeun

    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. 7

    Implementation of platform for long-term evolution cell perspective resource utilization analysis by Um, Jungsun, Kim, Igor, Park, Seungkeun

    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. 8

    SDR-Based Frequency Interference Emulator in the Space-Time Domain and Its Application by Yoon, Hyungoo, Um, Jungsun, Park, Jin-Soo, Jang, Byung-Jun

    “…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. 9

    SDR-Based Frequency Interference Emulator in the Space-Time Domain and Its Application by Yoon, Hyungoo, Um, Jungsun, Park, Jin-Soo, Jang, Byung-Jun

    “…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. 10

    Implementation of SDR-based 5G NR Cell Search Equipment by Kim, Igor, Um, Jungsun, Park, Seungkeun

    “…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. 11

    Implementation and performance evaluation of 256-QAM in vienna system level simulator by Kim, Igor, Jungsun Um, Seungkeun Park

    “…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. 12

    Performance analysis of the key aspects affecting capacity of 4G LTE networks by Kim, Igor, Jungsun Um, Seungkeun Park

    “…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. 13

    Multi-antenna-based transmission strategy in 5 GHz unlicensed band by Um, Jungsun, Park, Jaehyun, Park, Seungkeun

    “…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. 14

    Implementation of Platform for Measurement and Analysis on LTE Traffic and Radio Resource Utilization by Um, Jungsun, Kim, Igor, Park, Seungkeun

    “…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. 15

    Analysis of channel access mechanism on 5 GHz unlicensed band by Jungsun Um, Seungkeun Park, Yunbae Km

    “…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. 16

    Throughput enhancement with carrier selection for LTE in unlicensed band by Hoiyoon Jung, Jungsun Um, Sungjin Yoo, Seungkeun Park

    “…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. 17

    Impact of Multiple Transmissions using Incremental Redundancy for 5G-MBS by Um, Jungsun, Jung, Hoiyoon, Park, Sung-Ik, Hur, Namho

    “…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. 18

    Optimal throughput analysis of a super dense wireless network with the Renewal Access Protocol by Yunbae Kim, Ganguk Hwang, Jungsun Um, Sungjin Yoo, Hoiyoon Jung, Seungkeun Park

    “…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. 19

    Low complexity spectrum sensing algorithm with integrated preprocessing for multi-channel detection by Hoiyoon Jung, Jungsun Um, Byung Jang Jeong

    “…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. 20

    Simulation-based Study of LPI Interference on Fixed Microwave links in 6GHz Band by Kim, Igor, Um, Jungsun, Park, Seungkeun

    “…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