Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Jo-Cheon Choi"'
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 43:168-174
Publikováno v:
iFUZZY
In order to safely operate the autonomous ship at sea, it is necessary to communicate with manned ships for collision avoidance. This research illustrates an efficient procedure for safe message handling in the encountered situations between the auto
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 41:371-378
Publikováno v:
Journal of Physics: Conference Series. 1357:012043
In order to safely operate the Unmanned Surface Vehicle (USV) at sea, it is necessary to communicate with Vessel Traffic System (VTS) for information delivery and also manned ship for collision avoidance. For this reason, the communication relay syst
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. :1314-1317
In this letter, we designed monopole microstrip antenna for WLAN / WiMAX system. The monopole antenna is designed by FR-4 substrate with size is 30mm×40mm. The proposed antenna is based on a planar monopole design which cover WLAN and WiMAX frequenc
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. :1318-1322
We develop new sonar system by way of acoustic focusing which is totally different from conventional one in principle. It focuses input wave on the opposite edge of the lens without aberration perfectly. Then, the motion of acoustic source is read by
Publikováno v:
The Journal of Korea Information and Communications Society. :774-781
Demand for spectrum resources is increasing with the development of mobile telecommunications and so is their economic value. As a way to enhance the economic efficiency of use of spectrum resources, many countries have focused on the management of p
Publikováno v:
The Journal of Korea Information and Communications Society. :582-588
IMO and IALA have undertaken projects that GMDSS Modernization and E-navigation, which refer to "Future digital communications systems" for a more efficient transmission of voice and data communications in the VHF maritime mobile service. ITU has als
Publikováno v:
The Journal of Korea Information and Communications Society. :371-377
Fishing boats more than 5 tons is obliged to VHF DSC by Fishing Vessels Act and Vessel Safety Act. The owner of the fishing vessel is equipped to the automatic position reporting device in accordance with the Notice of the Minister of Land, Transport
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 36:683-688
Current is change to concept that management traffic of ship os magnified gradually to near shore waters from harbor. Therefore, introducing the technology of AIS in the ground station, lighthouse, bouy, sea facilities etc.. that is support equipment