Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Energy Effective Tag Anti-collision Protocol for Mobile RFID System

에너지 효율적인 모바일 RFID용 태그 충돌방지 프로토콜

  • Cho, Yang-Hyun (Dept. of Computer Science & Engineering, Sahmyook University) ;
  • Kook, Joong-Gak (Dept. of Computer Science & Engineering, Sahmyook University)
  • 조양현 (삼육대학교 컴퓨터학부) ;
  • 국중각 (삼육대학교 컴퓨터학부)
  • Received : 2012.01.16
  • Accepted : 2012.02.18
  • Published : 2012.02.29
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Abstract

This paper is to improve an identification ratio of tags by analyzing Slotted ALOHA, Dynamic Slotted ALOHA, Binary-tree and Query-tree and shortening the tag identification time in mobile RFID. Also, it enables the stable information transmission of tags by saving backscattering power of tags through shortening of identification time. As a result, this increases the available time of the battery and accessibility to a RFID service. For this, we proposed the energy-efficient tag anti-collision protocol for mobile RFID. The proposed scheme shows advanced result in identification time and collision counts. This scheme may be the first attempt for the mobile anti-collision.

본 논문에서는 Slotted ALOHA, Dynamic Slotted ALOHA, Binary Tree, Query Tree를 분석하고 태그 인식 시간을 단축함으로써 모바일 RFID 환경에서 태그의 인식률을 높인다. 또한 인식시간의 단축을 통해 태그의 반송파 전력을 절약함으로써 보다 안정된 태그의 정보 전송이 가능하도록 한다. 이는 결과적으로 모바일 장치의 배터리 사용시간을 늘려서 서비스 접근도를 향상시킨다. 우리는 논문에서 제안한 에너지 효율적인 모바일 RFID용 태그충돌방지 프로토콜을 제안하였다. 제안 기법은 실험결과에서 태그 인식률, 충돌횟수 그리고 배터리 사용량에 있어서 향상된 결과를 나타내고 있다.

Keywords

References

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  2. RFID 시스템에서 효율적인 분리를 이용한 충돌 방지 알고리즘 vol.18, pp.11, 2012, https://doi.org/10.9708/jksci.2013.18.11.087