An Efficient Tag Sleep Method for Improving Tag Collection Performance in Active RFID Systems 


Vol. 34,  No. 7, pp. 686-693, Jul.  2009


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  Abstract

In this paper, we propose an efficient tag sleep method utilizing empty time slots for improving the tag collection performance in active RFID systems. In the proposed tag sleep method, the reader detects the occurrence of empty time slots by carrier sensing and utilizes the wasted empty time slots to transmit sleep commands to the collected tags throughout the framed slotted aloha-based tag collection process, resulting in reducing the time required for tag collection. Via the simulation experiments, we evaluated the performance of the tag collection applied with the proposed tag sleep method, compared with that of the basic tag collection. The simulation results showed that the tag collection applied with the proposed tag sleep method could reduce the average tag collection time by 12.28%, 12.30%, and 13.31%, for the framed slotted aloha with the fixed 128 time slots and 256 time slots, and the dynamic framed slotted aloha anticollision protocols, respectively.

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  Cite this article

[IEEE Style]

W. Yoon, S. Chung, S. Park, "An Efficient Tag Sleep Method for Improving Tag Collection Performance in Active RFID Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 7, pp. 686-693, 2009. DOI: .

[ACM Style]

Won-Ju Yoon, Sang-Hwa Chung, and Shin-Jun Park. 2009. An Efficient Tag Sleep Method for Improving Tag Collection Performance in Active RFID Systems. The Journal of Korean Institute of Communications and Information Sciences, 34, 7, (2009), 686-693. DOI: .

[KICS Style]

Won-Ju Yoon, Sang-Hwa Chung, Shin-Jun Park, "An Efficient Tag Sleep Method for Improving Tag Collection Performance in Active RFID Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 7, pp. 686-693, 7. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880