• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.8 no.5
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• pp.394-399
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• 2015

This paper is a study related to connecting to medical device in IoT environment for e-Health Implementation. The implementation environment of this paper consists of sensing device node, gateway and its server. The information from medical devices on sensor node is transferred to gateway. The gateway transfers the information from their devices into the server and the server saves their transferred information. The medical information from medical devices is ready to use in making medical decision which is saved in database. In this paper, we connected the gateway to the commercial sensor node for implementing gateway functions. We studied and implemented how their network entities communicate each other.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2003.10a
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• pp.172-175
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• 2003

This paper deals with the network interface of research and observation instruments in the oceanographic research vessel with an establishment of related database for measured information. The system is implemented to integrated communication network system which allows to effective survey by using real time observation and GUI(Graphic User Interface). The system also consists of the LAN systems and serial interface to link chemical, physical, biological and environmental relations. And, other network service and vessel data service for data communication between vessel and earth station such as INMARSAT-B, WWW service, BBS, E-Mail etc. are needed for integrated communication network system.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.15 no.3
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• pp.59-65
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• 2015

To build a flexible network than traditional transport network, the carrier ethernet technology is emerging in network industry recently and MPLS-TP technologies are being applied as a major standard technology for the carrier ethernet. However, network management technologies required to handle equipment installed in MPLS-TP network are not clear. This paper propose an efficient method to build a management network automatically without any additional configuration when network equipments are installed in MPLS-TP network. The proposed scheme reduce cost required for both equipment installation and network maintenance by minimizing configuration procedures of connecting management system with network. We evaluated the effectiveness of the proposed scheme by applying the scheme to a real MPLS-TP equipment.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.13 no.5
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• pp.229-233
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• 2013

Mine detector of troops is different from other equipments. It is a base of a miner branch's combat, combat support and mission. But its notion is too obsucure and each troops' model and maker of it is so different and most of it is old type so there are a lot of malfunctions. Hence, I will define management of mine detector and figure out these days miner troops' mine detector situation. I will collect experts' opinions too. Through a discussion we could found improvement plan and develop it adequate for future operational environment. Proceeding all these courses and finally making it weaponize are the points of this writing.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.28 no.10C
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• pp.1033-1044
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• 2003

In this paper, we propose security management architecture that manages efficiently security systems that are produced by different companies and programmable middleware that can reduce the load of management traffic. The proposed architecture applies programmable networks technology to policy based network management (PBNM). The proposed architecture manages and cooperates various security systems using security policy. Also, the programmable middleware provides convenience of management and reduces the overhead of a policy server by translating security policy into execution command. In addition, using programmable middleware, an administrator can manage various security systems that are produced by different companies. We showed that the programmable middleware could reduce the load of management traffic by comparing processing time for enforcing and transferring of policies/messages between the proposed architecture and PBNM architecture.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.33 no.3
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• pp.71-77
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• 2005

An unmanned aerial vehicle (UAV) is generally flied via a pre-planned flight path or real-time commands by an operator. To succeed in an assigned mission, analysis such as the line-of-sight analysis for communication between UAV and a ground data terminal should be performed. In this paper, various analysis algorithms which are performed by a ground control station in pre-flight and in-flight phases, are proposed for the safe flight of UAV. Note that the proposed algorithms can be applied to most UAV systems.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.18 no.10
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• pp.2345-2350
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• 2014

In this paper, measurement methods for the characteristics of antennas for indoor digital TV (DTV), having 75-ohm port impedance, are introduced. Reference impedance of typical radio frequency (or microwave) systems and measurement equipments is 50 ohm. However, the reference impedance of antennas for indoor DTV is 75 ohm, and the characteristics of the antennas cannot be measured directly using the measurement equipments. Measurement methods, using test equipments with reference impedance of 50 ohm, for the characteristics(impedance, radiation patterns, and gain) of antennas designed to fit for 75 ohm port are introduced.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2014.05a
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• pp.45-46
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• 2014

In this paper, measurement methods for the characteristics of antennas for indoor digital TV (DTV), having 75-ohm port impedance, are introduced. Reference impedance of typical radio frequency (or microwave) systems and measurement equipments is 50 ohm. However, the reference impedance of antennas for indoor DTV is 75 ohm, and the characteristics of the antennas cannot be measured directly using the measurement equipments. Measurement methods, using test equipments with reference impedance of 50 ohm, for the characteristics(impedance, radiation patterns, and gains) of antennas designed to fit for 75 ohm port are introduced.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.19 no.5
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• pp.245-250
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• 2019

In recent years, new technologies such as additive manufacturing have been applied to casting industry, paving new ways to achieve what have traditionally been impossible. In the global market, numerous successful cases of producing cores using additive manufacturing technology have been reported, and new techniques and markets are being developed under governments' support. In Korea, however; cases of applying additive manufacturing to casting are hard to come by, not to mention domestic AM machines and related technologies. Under these circumstances, introduction of additive manufacturing technologies and customized application to domestic casting industry are required. Each chapter of this paper explores topics ranging from the development of AM machine using binder jetting technology among various AM techniques through producing industrial cores to the on-site applications in the foundries.

• Proceedings of the Korea Information Processing Society Conference
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• 2021.11a
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• pp.1376-1379
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• 2021

As the demand for yachts has increased recently, the number of people holding yachts and obtaining driver's licenses is also increasing. Therefore, inconveniences such as registration of entry and departure of ports and boarding lists and maintenance of yachts are occurring. Therefore, in this paper, GPS, Lidar, communication equipment, etc. are easily installed through the implementation of modular equipment inside the yacht, and by accessing modular equipment using a smartphone, route setting and various convenience functions can be used.