Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Hyungkeun Lee"'
Publikováno v:
Sensors, Vol 24, Iss 20, p 6763 (2024)
In the field of gesture recognition technology, accurately detecting human gestures is crucial. In this research, ultrasonic transducers were utilized for gesture recognition. Due to the wide beamwidth of ultrasonic transducers, it is difficult to ef
Externí odkaz:
https://doaj.org/article/44b3ef5bb9854f8fb0bff0a88282ea93
Autor:
Joonhwan Yi, Hyungkeun Lee
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 12 (2016)
Energy efficiency is a very important requirement in designing a MAC protocol for wireless sensor networks using battery-operated sensor nodes. We proposed a new energy-efficient MAC protocol, RIX-MAC, based on asynchronous duty cycling and receiver-
Externí odkaz:
https://doaj.org/article/17e80ef4080a47e3b9989d41febbc362
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 11 (2015)
This paper proposes receiver-initiated X-MAC with tree topology (TRIX-MAC), an improved energy-efficient MAC protocol based on an asynchronous duty cycling for wireless sensor networks with tree topology. TRIX-MAC improves energy efficiency through u
Externí odkaz:
https://doaj.org/article/5196ac1b511b435686d6d974c134f933
Publikováno v:
Water, Vol 12, Iss 2416, p 2416 (2020)
Water
Volume 12
Issue 9
Water
Volume 12
Issue 9
This study examined how different nonhomogeneous soil characteristics affected hydrologic responses in rainfall-runoff models. The cell-based FLO-2D and lumped Hydrologic Engineering Center Hydrologic Modeling System (HEC-HMS) were setup. Then, water
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::affd55fb68aef57e87930347d0d9d01f
https://www.mdpi.com/2073-4441/12/9/2416
https://www.mdpi.com/2073-4441/12/9/2416
Publikováno v:
The Visual Computer. 34:1479-1491
We propose an interpolation method considering strong barrel distortion of a fisheye lens using nearest pixels on a corrected image. The correction of barrel distortion comprises coordinate transformation and interpolation, and this paper focuses on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03da0b99253e5735d9d1a5e85e5e4f13
https://doi.org/10.1007/s00371-017-1414-5
https://doi.org/10.1007/s00371-017-1414-5
Autor:
Hyungkeun Lee
Publikováno v:
2019 International Conference on Computational Science and Computational Intelligence (CSCI).
This paper presents the design of a cross-layer routing protocol utilizing asynchronous low duty cycles and TRIX-MAC. Energy efficiency is a critical issue for WSNs since the lifetime of networks is highly dependent on nodes' residual energy. TRIX-MA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fe6028659b696835f78be12f813fa80
https://doi.org/10.1109/csci49370.2019.00207
https://doi.org/10.1109/csci49370.2019.00207
Autor:
Hyungkeun Lee
Publikováno v:
2018 International Conference on Computational Science and Computational Intelligence (CSCI).
This paper proposes a new MAC protocol for wireless sensor networks with receiver initiation and tree topology for low latency, which is called TRIX-MAC. TRIX-MAC improves energy efficiency by exploiting the receiver-initiated scheme which minimizes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e5b963524e9253508fa97c1655a7989
https://doi.org/10.1109/csci46756.2018.00161
https://doi.org/10.1109/csci46756.2018.00161
Autor:
Inhye Park, Hyungkeun Lee
Publikováno v:
ICOIN
This paper proposes a new receiver-initiated MAC protocol utilizing aggregation techniques for low latency. The proposed MAC protocol is an energy-efficient protocol utilizing the receiver-initiated scheme which minimizes sender nodes' energy consump
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fcfd8af120ef91d4653205c39a61740
https://doi.org/10.1109/icoin.2018.8343243
https://doi.org/10.1109/icoin.2018.8343243
Publikováno v:
KSII Transactions on Internet and Information Systems. 11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f651d1e06cdb03658e3d5e79a62aec4
https://doi.org/10.3837/tiis.2017.12.010
https://doi.org/10.3837/tiis.2017.12.010
Publikováno v:
The Journal of The Korea Institute of Intelligent Transport Systems. 13:57-62
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3feaa63de220c8c9dd1b79bb804d43cb
https://doi.org/10.12815/kits.2014.13.4.057
https://doi.org/10.12815/kits.2014.13.4.057