• Title/Summary/Keyword: 이동형 RFID

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RFID Tag Search Protocol Preserving Privacy of Reader Holders (이동형 리더 소지자의 프라이버시를 보호하는 RFID 태그 검색 프로토콜)

  • Chun, Ji-Young;Hwang, Jung-Yeon;Lee, Dong-Hoon
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.19 no.5
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    • pp.59-69
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    • 2009
  • RFID tag search system which is used to find a specific tag has an application such as asset management, supply chain, and this search scheme has been given much attention so far. In RFID tag search system, especially, mobility of the reader is important in order to search tags. Therefore, even though the handheld reader cannot connect with the central database because of unreliable wireless connection or remote location, handheld reader should search the specific tag without help of the central database. In addition, in RFID tag search system, users hold not the tag but the reader, the privacy of users should be considered. Since the signal strength of the reader is stronger than that of the tag, the privacy of the reader holder is very important. Recently, in order to solve these problems, a number of RFID tag search schemes have been proposed. However, since these schemes did not consider the privacy of reader holders, there are serious privacy breaches of reader holders. In this paper, we propose efficient RFID tag search protocol for passive tags. Our proposed scheme preserves the privacy of reader holders.

Design improved security protocol on mobile device for sensor node access using RFID local key (센서노드 접근을 위해 RFID를 지역 키로 사용하는 이동형 단말장치상의 개선된 보안 프로토콜 설계)

  • John, Young-Jun;Choi, Yong-Sik;Park, Sang-Hyun;Han, Soo;Shin, Seung-Ho
    • 한국HCI학회:학술대회논문집
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    • 2007.02a
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    • pp.328-333
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    • 2007
  • RFID와 sensor network의 두 기반 기술은 독특한 물리적 특정을 가지며 상호 보완적인 관계를 가지고 있다. 이러한 관계는 창고 안 물품의 상태파악과 입출 재고를 관리하는 형태로 응용된다. 창고 내 물품 보관 단위인 파렛트(Pallet) 에 RFID 태그를 부착하여 입/출고시의 물품을 식별한다. 그리고 Zigbee 무선 통신기능을 가진 센서 모듈에 의해 물품의 환경 상태 정보를 파악한다. 이후 현장 관리자나 소비자들은 이동형 단말장치를 통해 현장에서 다양한 USN 상의 정보들과 상호작용 한다. 이 과정에서 이동형 단말장치를 통한 RFID tag 정보와 센서 노드의 접근이 공중파 상에 노출 된다. 이러한 센서 노드 접근을 보호하기 위해 추가적인 칩 설계 등의 비용 지불로 기밀 노출에 대처할 수 있다. 이에 대한 대안으로 인프라형태로 놓여진 RFID tag와 단말장치에 탑재될 RFID 리더를 활용해 더 적은 비용으로 보안 서비스를 받고자 한다. 그래서 유비쿼터스 환경에서 센서 노드에 대한 접근을 제어하기 위해 RFID tag를 지역키(local key) 처럼 사용한다. 또한 이 과정에 보안이 적용된 프로토콜을 설계 하는 것이 본 논문의 주된 목표이다.

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A Study on Movable u-POS System based on RFID (RFID기반의 이동형 u-POS 시스템에 관한 연구)

  • Jho, Yong-Chul;Li, Zhong-Shi;Lee, Chang-Ho
    • Proceedings of the Safety Management and Science Conference
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    • 2007.11a
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    • pp.193-202
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    • 2007
  • 본 연구는 최근 물류 활동 전반에 걸쳐 무선주파수를 이용해 상품과 사물에 내장된 정보를 읽어내는 기술인 RFID(Radio Frequency IDentification) 응용기술과 유비쿼터스 환경에서의 POS(POS : point of sales) 시스템의 발전 형태를 예측하여, 향후 국내 외 대형 할인점에서 적용할 수 있는 RFID 기반의 이동형 u-POS 시스템의 핵심기술개발에 관한 연구이다. 본 연구는 RFID 기반의 이동형 u-POS 시스템의 핵심기술을 크게 H/W와 S/W로 구분하여 H/W 측면으로는 기존의 쇼핑 Cart를 대체 할 수 있는 u-Cart 개발을 목표로 하고, S/W 측면으로는 기존의 POS 시스템과 연동 할 수 있는 u-Cart의 클라이언트 어플리케이션과 매장관리 서비스 모듈의 개발을 목표로 한 내용에 대하여 발표하고자 한다.

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Development of an RFID Technology based Book Management System (RFID 기술 기반의 장서 관리 시스템 개발)

  • Im Gi-Duck;Lee Dong-Cheol
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2006.05a
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    • pp.1015-1018
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    • 2006
  • According to the number of the books in the library growing dramatically, dealing with them becomes a serious problem. Especially Plenty of budgets have been consumedin arranging and keeping the books. To solve these confronted problems, RFID technology is researched in this thesis. By utilizing the mobile RFID readers, Book Management System which makes possible to reduce time and cost to input the information of locationand present situation of books in real time is developed. Moreover since the active tag which uses the 900 radio frequency band and mobile RFID reader are used, it is possible to achieve multi-recognizing system.

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Design of Security Protocol for RFID System using Mobile Reader (이동형 리더를 사용하는 RFID시스템의 보안 프로토콜 설계)

  • Jang, Bong-Im;Kim, Chang-Su;Jung, Hoe-Kyung
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.10a
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    • pp.954-955
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    • 2012
  • Recently as increasing the use of mobile communication devices the use of mobile readers for recognition tag attached to objects is also increasing. Accordingly, meantime, that gives rise to the vulnerability of RFID systems between reader and tag security issues, as well as security issues between the reader and the back-end server will occur. In this paper between the reader and the back-end server to security vulnerabilities efficient authentication protocol using the hash function is proposed.

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A Design and Implementation of Portable RFID Reader Application (이동형 RFID 리더 어플리케이션의 설계 및 구현)

  • Kim, Jae-Hwan;Kang, Tae-Won;Kim, Nam-Joong;Chae, Jin-Seok
    • Proceedings of the Korean Information Science Society Conference
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    • 2006.10d
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    • pp.170-173
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    • 2006
  • 기존의 바코드와 같은 인식장치는 여러 가지 면에서 USN 환경 에서 사용하기에 상당한 제약이 따르게 된다. 그러나 RFID 시스템을 사용하면 이런 문제점들을 해결할 수 있다. RFID 기반의 시스템은 RFID 리더와 태그, 그리고 RFID 태그가 가지는 정보를 활용하기 위해서 사람이 관리하는 데이터 서버가 필요하다. 본 연구에서는 이를 응용하여 관람객에게 효과적으로 전시물을 안내해주는 2.45GHz 규격의 이동형 RFID 리더와 PDA를 이용한 전시관 어플리케이션을 구현하였다.

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Development of portable Merchandise Information Providing System Using RFID (RFID 기술을 이용한 휴대형 상품정보제공 시스템 개발)

  • Ryu Jeong-Tak;Choe Chang-Hwan;Moon Byung-Hyun
    • Journal of Korea Society of Industrial Information Systems
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    • v.11 no.2
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    • pp.98-102
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    • 2006
  • Recent development of Information Technology, the ubiquitous computing environment is on the rise. At the same time, RFID technology and its related applications are actively investigated. In this paper, a portable merchandise information providing system using cheap wireless transmission module is developed in order to overcome the mobility limitation of the wired RFID system. The TRF6901 chipset of 900MHz band from TI is used for the wireless transmission module and the MPS430F149 is used for the MPU. It is expected that the developed system can be applied to numerous innovative wireless applications such as library circulation desk for lending service and automated door system for entrance control.

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A Secure RFID Search Protocol Protecting Mobile Reader's Privacy Without On-line Server (온라인 서버가 없는 환경에서 이동형 리더의 프라이버시를 보호하는 안전한 RFID 검색 프로토콜)

  • Lim, Ji-Wwan;Oh, Hee-Kuck;Kim, Sang-Jin
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.20 no.2
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    • pp.73-90
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    • 2010
  • Recently, Tan et al. introduced a serverless search protocol in which a mobile reader maintains a tag authentication list and authenticates a tag using the list without connecting authentication server. A serverless RFID system is different from general RFID systems which use on-line server models. In the serverless RFID system, since the mobility of a personalized reader must be considered, we have to protect not only the privacy of a tag but also the privacy of a mobile reader. In this paper, we define new security requirements for serverless RFID search system and propose a secure serverless RFID search system. In our system, since tag authentication information maintained by a reader is updated in every session, we can provide the backward untraceability of a mobile reader. Also we use an encrypted timestamp to block a replay attack which is major weakness of search protocols. In addition, we define a new adversary model to analyze a serverless RFID search system and prove the security of our proposed system using the model.

A Design and Implementation of Facility Management System Using Portable RFID (이동형 RFID를 이용한 시설물 관리 시스템의 설계 및 구현)

  • Kang, Pil-Gu;Kim, Jae-Hwan;Chae, Jin-Seok;Choi, Won-Ik
    • Journal of Korea Multimedia Society
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    • v.10 no.4
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    • pp.492-505
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    • 2007
  • Currently, most procedures in domestic facility management systems are performed by hand. However, these manually operated facility management systems involve critical limitations, such as a waste of manpower to store collected data into a database, intentional or accidental loss of data consistency (mainly due to a lack of the ability to recognize and deal with frequent changes of facility status in realtime), and so on. To overcome the limitations of such manually operated facility management systems, the following capabilities must be supported. First, the changes in facility status must be recognized in realtime. Second, the data collection process must be secure and reliable to prevent fabrication of collected data and preserve data integrity. Third, the data collection devices must be portable to help the manager collect data about their facilities. To address these problems, we design and implement a novel facility management system using portable RFID, which is designed to support these functionalities and thus help reduce administrative costs. Through extensive experiments, we observed that our system improved the accuracy and reliability of facility check process and helped cut administrative costs by significantly reducing failure frequency.

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Multi-Function UHF RFID Reader Platform Development based on ARM920T (ARM920T 기반의 다기능 UHF RFID 리더 플랫폼 기술 개발)

  • Kim Jong-ho;Lee Sang-sin;Kim Young-kil;Kim Yong-deak
    • Journal of the Institute of Electronics Engineers of Korea SC
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    • v.42 no.2 s.302
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    • pp.19-26
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    • 2005
  • This paper is about designing and implementation of Multi-Function UHF RFID Reader Platform that receives and processes RFID tag data from the tags, and transmits the data to PC server through Bluetooth, USB, RS-232 or Ethernet. This reader system is composed of RFID module, ARM processor, RS-232 interface, USB, Ethernet MAC interface, Bluetooth etc.. This paper also provides a brief overview and concept of RFID reader, and proposes the design and implementations of the RFID reader platform. The paper evaluates and analyzes two practical implementations, fixed type and portable type.