• The Journal of the Korea Contents Association
• /
• v.8 no.12
• /
• pp.37-44
• /
• 2008

Data entered into RFID tags are used for saving costs and enhancing competitiveness in the development of applications in various industrial areas. RFID readers perform the identification and search of hundreds of objects, which are tags. RFID technology that identifies objects on request of dynamic linking and tracking is composed of application components supporting information infrastructure. Despite their many advantages, existing applications, which do not consider elements related to real.time data communication among remote RFID devices, cannot support connections among heterogeneous devices effectively. As different network devices are installed in applications separately and go through different query analysis processes, there happen the delays of monitoring or errors in data conversion. The present study implements a RFID database handling system in semantic Web environment for integrated management of information extracted from RFID tags regardless of application. Users’ RFID tags are identified by a RFID reader mounted on an application, and the data are sent to the RFID database processing system, and then the process converts the information into a semantic Web language. Data transmitted on the standardized semantic Web base are translated by a smart browser and displayed on the screen. The use of a semantic Web language enables reasoning on meaningful relations and this, in turn, makes it easy to expand the functions by adding modules.

• 한국정보통신설비학회:학술대회논문집
• /
• 2005.08a
• /
• pp.280-284
• /
• 2005

본 논문에서는 의류 산업에 있어서의 RFID 응용에 대해 고찰한다. RFID의 유래 및 정의, 특성을 고찰하고, RFID의 국내외 동향을 검토한후, RFID 응용 서비스의 고도화 모델에 대해 논한다. 그리고 나서, 지금 위기에 빠져 있는 국내의 섬유 산업과 유사한 환경에 처했던 미국 등 선진국의 대처 방법을 논한 후에, 의류 산업에 있어서의 RFID 응용성을 검토한다.

• IEMEK Journal of Embedded Systems and Applications
• /
• v.2 no.2
• /
• pp.95-100
• /
• 2007

Recently ubiquitous application services are developed plentifully using RFID techniques in the field of distribution and security industries. However, except these field the applications using RFID are not mature yet. In this study, we proposed a real-time context service model of the u-conference based on the real-time contextual information acquired from conference and exposition. With collection of real-time contextual information for u-conference, the model can provide a lot of information services on the state of session attendee, doorway control, affairs, user certification, presentation progress etc. For the verification of proposed real-time context service model of u-conference, we design and implement the conference progress state service included the state of session attendee, user certification and presentation progress etc. This service provides the presentation state information included the current presenter, the paper list, the number of session attendee, the schedule and place of each session using the collecting RFID tag and the related information.

• IE interfaces
• /
• v.19 no.3
• /
• pp.181-189
• /
• 2006

This study introduces an overall framework for RFID applications in product lifecycle management(PLM). PLM is a new strategic approach to manage product related information efficiently over the whole product lifecycle. Recently, with emerging technologies such as radio frequency identification(RFID), global positioning system(GPS), and wireless communication, PLM provides a new environment that enables us to gather and analyze product lifecycle information, and make decisions on several issues without spatial and temporal constrains. However, a PLM system just provides us with new opportunities to gain the PLM system, first and foremost, it is necessary to look into its overall framework in the viewpoint of hardware, software, and business model. For this purpose, in this study, first, we introduce the technical framework of the new PLM environment with the concept of extended RFID system, called product embedded information device(PEID). Then, for each lifecycle phase such as beginning of life(BOL), middle of life(MOL), and end of life(EOL), we explore several research problems that become highlighted under the new PLM environment.

• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.9 no.6
• /
• pp.95-100
• /
• 2009

Nowadays there are many studies and there's huge development about USN/RFID which have great developmental potential to many kinds of applications. More and more real time application apply USN/RFID technology to identify data collect and locate objects. Wide deployment of USN/RFID will generate an unprecedented volume of primitive data in a short time. Duplication and redundancy of primitive data will affect real time performance of application. Thus, security applications must filter primitive data and correlate them for complex pattern detection and transform them to events that provide meaningful, actionable information to end application. In this paper, we design a ECA Rule system for security monitoring of exhibition. This system will process USN/RFID primitive data and event and perform data transformation. It's had applied each now in exhibition hall through this study and efficient data transmission and management forecast that is possible.

• The Transactions of The Korean Institute of Electrical Engineers
• /
• v.57 no.7
• /
• pp.1235-1240
• /
• 2008

In this paper, we presented an active RFID system in 2.45GHz range including LNA, Mixer and gain block. And in this work, a link budget model for RFID applications are proposed. We describe the detailed design and implementation of our system. Our components in RFID system has features such as low Noise Figure, reliable energy budget, and standard compliance with ISO 18000-4. Our receiver is effective for development and evaluation of prototype applications because of the flexibility of the design hardware. So, our platform will be suitable for versatile item management applications.

• Journal of Korea Society of Industrial Information Systems
• /
• v.13 no.2
• /
• pp.80-87
• /
• 2008

RFID systems are being studied and developed in the area of the industry and marketplace. Recently RFID systems are core element of the ubiquitous technologies in individual life and industry. However, RFID systems often cause some serious problems such as violation of privacy and information security because their contactless devices communicate each other by radio frequency In this paper, we propose multiple objects RFID tag scheme including tag structure and authentication protocol. The proposed RFID tag structure maintains several object IDs of different applications in a tag memory. The tag structure allows those applications to access object IDs simultaneously. The authentication protocol for multiple objects tag is designed ta overcome the problems of security and privacy. The protocol has robustness against various attacks in low cost RFID systems. We evaluate the efficiency of proposed scheme and compare security of our scheme with several traditional schemes.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• 2007.10a
• /
• pp.721-724
• /
• 2007

Radio Frequency IDentification (RFID) is increasingly popular technology with many application. The majority of applications of RFID deployed in supply-chain management. In this paper, we present a wireless RFID glove in interactive learning method. Objects tagged with a small passive RFID tag, can be sensed at short ranges by using wireless RFID glove. We describe the wireless RFID glove prototype, and present some interactive learning programs and games.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• 2009.05a
• /
• pp.422-425
• /
• 2009

RFID (Radio Frequency IDentificaiton)는 태그, 레이블, 카드 등에 저장된 데이터를 무선 주파수를 이용하여 리더에서 자동 인식하는 기술이다. RFID 애플리케이션은 RFID 태그의 실시간 정보를 기반으로 하는 업무 프로세스를 의미하는 것으로, RFID 정보를 이용하기 위해서는 기존의 비즈니스 프로세스가 변형되어져야 한다. RFID 미들웨어로부터 발생하는 저수준의 RFID 이벤트를 다양한 정보 서버들을 참조하여 고수준의 이벤트로 변환시키기 위한 일련의 활동(activity)들을 대부분의 RFID 애플리케이션에서 공통으로 수행하기 때문에 이러한 활동들을 재사용 될 수 있는 핵심자산으로 만들어놓을 필요가 있다. 본 논문에서는 다양한 유형의 RFID 애플리케이션에 재사용될 수 있는 RFID 관련 활동들을 RFID 제네릭 (generic) 활동으로 구분하고 이를 이용하여 2-레벨의 비즈니스 프로세스 패밀리 모델 (Business Process Family Model: BPFM)을 구축하는 방법을 제시한다. 상위 레벨의 RFID 제네릭 액티비티들은 두번에 걸쳐 가변치가 결정될 수 있는 가변점을 가지게 된다. 하위 레벨을 구성하는 도메인 활동들은 그 자체의 가변속성 뿐만 아니라 활동의 흐름에서 나타나는 다양한 형태의 가변요소들을 표현하게 된다. 이러한 2-레벨 BPFM을 이용함으로써 RFID 시스템 도입 시 처리해야 하는 활동들의 개발 양을 현저히 줄일 수 있다.

• Proceedings of the IEEK Conference
• /
• 2000.06b
• /
• pp.125-128
• /
• 2000

In this paper, we report a new damping circuit with a constant damping rate for RFID applications. The proposed damping circuit is used along with a over-voltage limiter and exhibits almost constant damping rates when the distance between the reader and the transponder varies. This results in keeping the power supply voltage of the transponder constant and in improved reading distances.