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http://dx.doi.org/10.7840/kics.2015.40.5.871

Study on the Performance Improvement of Active RFID System  

Kim, Ji-Tae (Seoul National University of Science & Technology, Graduate School of Public Policy and Information Technology)
Kim, Jin-Sung (Yonsei University, Department of Information and Industrial Engineering)
Lee, Kang-Won (Seoul National University of Science & Technology, Graduate School of Public Policy and Information Technology)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.40, no.5, 2015 , pp. 871-885 More about this Journal
Abstract
The improved DFSA for 2.4GHz multi-tags active RFID is suggested in 2 different ways: 1) simplified tag collection and Ack procedure using query command and 2) modified Schoute's method to control the number of slots in the frame. To evaluate the performance of the improved system we develop the simulation model. Varying the number of tags in the system we track the performance measures such as throughput, recognition time for multi-tags and tag recognition rate during a given time. The suggested method shows the best performance over all measures. Simplification of collection and Ack commands using query commands contributes to reducing tag recognition time. And the modified Schoute's method which controls the frame size using $k_1$ and $k_2$ contributes to throughput improvement and reduces target cognition time by reducing the number of collection rounds.
Keywords
Active RFID; Slotted Aloha; Tag Collection; ISO/IEC 18000-7; Query Command;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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