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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of The Korea Internet of Things Society
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Korea Internet of Things Society
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Volume 1, Issue 1 - Dec 2015
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Analytical model for mean web object transfer latency estimation in the narrowband IoT environment
Lee, Yong-Jin ;
Journal of The Korea Internet of Things Society, volume 1, issue 1, 2015, Pages 1~4
DOI : 10.20465/KIOTS.2015.1.1.001
This paper aims to present the mathematical model to find the mean web object transfer latency in the slow-start phase of TCP congestion control mechanism, which is one of the main control techniques of Internet. Mean latency is an important service quality measure of end-user in the network. The application area of the proposed latency model is the narrowband environment including multi-hop wireless network and Internet of Things(IoT), where packet loss occurs in the slow-start phase only due to small window. The model finds the latency considering initial window size and the packet loss rate. Our model shows that for a given packet loss rate, round trip time and initial window size mainly affect the mean web object transfer latency. The proposed model can be applied to estimate the mean response time that end user requires in the IoT service applications.
Design and Implementation of Interactive Augmented Reality Coloring Book
Cho, Kwangmoon ; Kim, Hadong ; Lee, Youngho ;
Journal of The Korea Internet of Things Society, volume 1, issue 1, 2015, Pages 5~9
DOI : 10.20465/KIOTS.2015.1.1.005
In this paper, we proposed a design of interactive augmented reality coloring book. The proposed method improves user`s participation and interest by using real space, augmented reality space, and virtual reality space all together. According to the proposed method, we implemented the PlayingHouse, an interactive augmented reality coloring book. In the future, we expect that AR coloring book could be the category of the library.
Implementation of Tile Searching and Indexing Management Algorithms for Mobile GIS Performance Enhancement
Lee, Kang-Won ; Choi, Jin-Young ;
Journal of The Korea Internet of Things Society, volume 1, issue 1, 2015, Pages 11~19
DOI : 10.20465/KIOTS.2015.1.1.011
The mobile and ubiquitous environment is experiencing a rapid development of information and communications technology as it provides an ever increasing flow of information. Particularly, GIS is now widely applied in daily life due to its high accuracy and functionality. GIS information is utilized through the tiling method, which divides and manages large-scale map information. The tiling method manages map information and additional information to allow overlay, so as to facilitate quick access to tiled data. Unlike past studies, this paper proposes a new architecture and algorithms for tile searching and indexing management to optimize map information and additional information for GIS mobile applications. Since this involves the processing of large-scale information and continuous information changes, information is clustered for rapid processing. In addition, data size is minimized to overcome the constrained performance associated with mobile devices. Our system has been implemented in actual services, leading to a twofold increase in performance in terms of processing speed and mobile bandwidth.
A Design of IoT based Automatic Control System for Intelligent Smart Home Network
Shim, JeongYon ;
Journal of The Korea Internet of Things Society, volume 1, issue 1, 2015, Pages 21~25
DOI : 10.20465/KIOTS.2015.1.1.021
The Internet of Thing (IoT) will be a very important core technology to implement Intelligent Smart Home Network and it will take charge of an important role connected to Smart Phone, Cloud Computing in the Ubiquitous environment. In this paper, Internal Autonomous Regulation by human autonomic nervous system was studied and its core mechanism was applied to the design of IoT based Autonomous Regulation System for Intelligent Smart Home Network. We proposed an autonomous regulating mechanism in which the factors of Temperature, Humidity and Illumination are automatically adjusted as they communicate with the connected things.
Relationship Building and Maintaing with Advertising in New Media Advertising Environment
Choi, Min-Wook ;
Journal of The Korea Internet of Things Society, volume 1, issue 1, 2015, Pages 27~32
DOI : 10.20465/KIOTS.2015.1.1.027
This study analyzed the relationship building and maintaining with advertising in new media advertising environment. The literature research and focus group interview were mainly used for research method, It was found that advertising played the role of building and developing the relationship as times went by. On the contrary, the relationship could be damaged by advertising. And model, music in advertising and program were the major factors which build relationship.
Test Vector Generator of timing simulation for 224-bit ECDSA hardware
Kim, Tae Hun ; Jung, Seok Won ;
Journal of The Korea Internet of Things Society, volume 1, issue 1, 2015, Pages 33~38
DOI : 10.20465/KIOTS.2015.1.1.033
Hardware are developed in various architecture. It is necessary to verifying value of variables in modules generated in each clock cycles for timing simulation. In this paper, a test vector generator in software type generates test vectors for timing simulation of 224-bit ECDSA hardware modules in developing stage. It provides test vectors with GUI format and text file format.
Study on the Connection with Public Authentication and Bio Authentication
Ryu, Gab-Sang ;
Journal of The Korea Internet of Things Society, volume 1, issue 1, 2015, Pages 39~44
DOI : 10.20465/KIOTS.2015.1.1.039
Organization is increasing the authorizing process to use public certificate and bio information. Certificate, has evolved to be able to parallel distributes the bio authentication and portable bio-authentication device. Authentication using an individual`s PC and smart devices continue to generalize, while convenience for authentication is increased by comparison Study on cooperation with the security at the network level`s a weak situation. If ask authentication method through the cooperation of the public certificate and bio information work with current network access control, there is a possibility to develop a more powerful security policy. by cooperation weaknesses against vulnerable personal authentication techniques on security token in a reliable and secure personal authentication techniques, such as bio-recognition, Bio Information for identification and to prevent exposing a methodology suggest to validate whether or not to carry out in this paper. In addition, organize the scenario that can work with the 802.1x network authentication method, and presented a proposal aimed at realization.