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pro vyhledávání: '"Woo-Yong Choi"'
Autor:
Woo-Yong Choi
Publikováno v:
Applied Sciences, Vol 13, Iss 21, p 11974 (2023)
Since low-power Wi-Fi sensors are connected to the Internet, effective radio spectrum use is crucial for developing an efficient Medium Access Control (MAC) protocol for Wi-Fi sensor networks. A connectivity-based multipolling mechanism was employed
Externí odkaz:
https://doaj.org/article/89d570f2e26a4fd0a03990ec8b42e2c2
Autor:
Woo-Yong Choi
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2010 (2010)
We have found the errors in the throughput formulae presented in our paper “Connectivity-based reliable multicast MAC protocol for IEEE 802.11 wireless LANs”. We provide the corrected formulae and numerical results.
Externí odkaz:
https://doaj.org/article/70c911fac47d4c12b2b82fb21898d174
Autor:
Woo-Yong Choi
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2009 (2009)
We propose the efficient reliable multicast MAC protocol based on the connectivity information among the recipients. Enhancing the BMMM (Batch Mode Multicast MAC) protocol, the reliable multicast MAC protocol significantly reduces the RAK (Request fo
Externí odkaz:
https://doaj.org/article/6a6fb1f96444475aba54c6028a91db7d
Autor:
Woo-Yong Choi
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2008 (2008)
The direct link communication between STAtions (STAs) is one of the techniques to improve the MAC performance of IEEE 802.11 infrastructure networks. For the efficient direct link communication, in the literature, the simultaneous polling method was
Externí odkaz:
https://doaj.org/article/096dcac24e964ccdac16f6578ca11b97
Autor:
Woo-Yong Choi, Seok-Won Lee
Publikováno v:
KSCE Journal of Civil Engineering. 27:857-861
Autor:
Woo-Yong Choi
Publikováno v:
Journal of Electrical Engineering. 73:355-358
Due to the lack of efficient specified multi-hop routing protocol, IEEE 802.11 ad hoc networks have been in limited use for realizing wireless sensor networks where wireless sensors are dispersed in a region and each sensor can transmit its data to o
Autor:
Woo-Yong Choi
Publikováno v:
Journal of Electrical Engineering. 72:352-355
More and more mobile computing devices such as smartphones with limited battery power are being used in IEEE 802.11 wireless LANs, and WiFi sensors with very limited battery power are expected to get Internet access through wireless LANs in the near
Autor:
Hyun-Wook Kang, Woo-Yong Choi
Publikováno v:
Korean Journal of Sports Science. 30:77-91
Autor:
Woo-Yong Choi, Hung-Su Park
Publikováno v:
Journal of Society of Korea Industrial and Systems Engineering. 43:61-67
The fourth industrial revolution encourages manufacturing industry to pursue a new paradigm shift to meet customers' diverse demands by managing the production process efficiently. However, it is not easy to manage efficiently a variety of tasks of a
Autor:
Woo-Yong CHOI
Publikováno v:
Public Law Journal. 21:283-316