• Archives of design research
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• v.17 no.1
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• pp.49-62
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• 2004

Due to the recent surge of wireless Internet and concurrent development of the end user terminal devices having standardized graphical user interface(GUI) and unified operation mechanism for better interactivity in information representation and ease of use, various efforts on the improvement of GUI is widely recognized as one of the key factors that will usher in the next stages of the wireless Internet for the users. Especially, improved usability along with unique visual effect are considered to be the key elements for GUI considering the rapid improvement of the resolution and color on the end user handset devices; thus, the study and research on the subject of GUI is expected to increase along with the wireless Internet using smart phones. User interface of the wires Internet end user handsets will have a definite and significant effect on the user interaction as well as productivity. Domestically, wireless Internet service providers and GUI design companies are making various efforts in producing a common GUI models for standardized operation scheme and improved graphical display capabilities of the hand phones, PDAs and smart phones. In the study, Nokia 3650 model and Microsoft Orange SPV model were chosen as test devices for usability comparison and data collection to collect directional benchmark data in developing next generation smart phone user interface integrating PDAs and phones. The mail purpose of this study is to achieve the most efficient user accessibility to WAP menu through intensive focus on developing WIPI WAP menu having most effective usability for the users in their twenties and thirties. The result of this study can also be used as the base research materials for WAP service development, VM browser development and PDA browser development. The result of this study along with the evaluation model is expected to provide effective analysis materials on the subject of user interface to the developers of the wireless Internet user devices, GUI designers and service planners while short listing key factors to consider in developing smart phones therefore serving as the GUI guideline of WIPI phones.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2012.05a
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• pp.670-671
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• 2012

This paper presents a method of constructing telematics terminal embedded architecture for DMB TPEG data service The proposed embedded architecture was designed for terminal. Also, we use WIPI which was used for standard based on mobile middle-ware, and TPEG decoding which was used for Window CE. We can see the advantage compare with previous methods.

• Proceedings of the Korea Society of Information Technology Applications Conference
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• 2005.11a
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• pp.7-12
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• 2005

In this paper, we implemented an e-mail and chat program (client) for communication between mobile devices and PCs based on WIPI a South Korea's open wireless platform form developing device and content independent software to break from the way of developing contents that is dependent on different wireless platforms to each mobile communications company. While traditional e-mail and chat programs are written for PC-to-PC communication, we develop them for mobile-to-PC and mobile-to-mobile communications, and we expect to see various mobile contents in the future.

• TTA Journal
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• s.92
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• pp.97-102
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• 2004

• TTA Journal
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• s.94
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• pp.101-105
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• 2004

• TTA Journal
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• s.84
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• pp.132-135
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• 2002

• Proceedings of the Korean Information Science Society Conference
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• 2006.06d
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• pp.355-357
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• 2006

네트워크 카메라는 인터넷을 통해 디지털 영상 전송이 가능하고, 다수의 사용자에게 동시에 같은 영상을 실시간으로 제공해줄 수 있다. 이와 같은 네트워크를 이용한 감시 카메라를 위한 기술은 효율적인 서버 기술, 네트워크 기술, 전송 기술, 압축 기술 등과 함께 영상을 재생할 수 있는 클라이언트 기술을 필요로 한다. 이러한, 클라이언트 측의 기능은 PC 등의 데스크탑 뿐만 아니라, 유무선 통신 단말기, PDA 등의 모바일 단말로까지 그 범위를 넓혀가고 있으며, 특히, 셀룰러폰의 수요가 급속히 증가하면서, 모바일 환경에서의 감시 필요성 및 요구가 확대되고 있다. 최근, 이와 관련된 기술과 제품이 개발되고 있기는 하지만, 대부분 특정 모바일 플랫폼에서만 서비스가 가능한 실정이다. 따라서, 본 논문에서는 이러한 제약을 해결하기 위하여 기존의 다양한 모바일 플랫폼을 통합하여 플랫폼 간의 호환성과 이식성을 제공하는 WIPI를 기반으로 한 실시간 영상 감시용 뷰어를 개발하여, 네트워크 카메라로 접속하여 영상을 재생할 수 있도록 한다.

• Proceedings of the Korea Contents Association Conference
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• 2006.11a
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• pp.355-359
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• 2006

Mobile network evolution and development of USN technologies introduce new business model based on context awareness. Cellular operators provide friend finding service using cell based location information and telematics service using GPS location information. Recently cellular operators provide yellow page service based cell based location information. In this paper, we develop mobile tour application on WIPI platform based on location information. Mobile tour information services provide the best information based on context awareness using user location information from LBSP (Location Based Service Platform), season, weather conditions, time from Web server, and personal preference information stored in database. Mobile tour information service application is developed on WIPI platform.

• Journal of Korea Spatial Information System Society
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• v.8 no.3
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• pp.77-87
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• 2006

Recently the mobile terminals using GPS offer find-way service. But for obtaining the simple small-map, this system is very additional expensive. Accordingly it is impossible to provide this service using the general mobile terminals which almost all of the people have. Therefore, in this paper we design and develop the mobile outline map and guide map to solve the problems of the existed find-way service in the mobile environments. This system supports the mobile guide service of the destination without the additional cost on mobile terminal based on WIPI at any time and any where. And mobile service providers are able to advertise for neighborhood stores of the searching destination using this system.

• Journal of the Institute of Electronics Engineers of Korea CI
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• v.44 no.4 s.316
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• pp.10-20
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• 2007

In this paper, we propose the reference implementation of WIPI runtime engine supporting various platforms such as REX OS, Qplus and Windows. We describe the architecture of WIPI runtime engine according to each platform, and introduce the method for avoiding repetitive develoment. And we explain the implementation of a linker and a loader on REX OS and describe the runtime engine structure on Qplus, a kind of embedded linux. And we introduce the implementation of the Jlet/MIDlet emulator based on a Java virtual machine and the Clet emulator based on Windows. Finally we verify the interoperability and the perfection of the proposed reference implementation through the result of the HCT and the PCT and the normal operation of the example programs.