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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Current Result Document : 257 / 261

ÇѱÛÁ¦¸ñ(Korean Title) ´Éµ¿Çü RFID ½Ã½ºÅÛÀÇ ¼º´É °³¼±À» À§ÇÑ °£¼ÒÈ­µÈ ÅÂ±× ¼öÁý ¾Ë°í¸®Áò
¿µ¹®Á¦¸ñ(English Title) Simplified Tag Collection Algorithm for Improving Performance of Active RFID System
ÀúÀÚ(Author) ÀÓÀÎÅà  Intaek Lim  
¿ø¹®¼ö·Ïó(Citation) VOL 21 NO. 04 PP. 0731 ~ 0736 (2017. 04)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®¿¡¼­´Â ´Éµ¿Çü RFID ½Ã½ºÅÛÀÇ Ç¥ÁØÀÎ ISO/IEC 18000-7ÀÇ ¼º´ÉÀ» °³¼±Çϱâ À§ÇÏ¿© °£¼ÒÈ­µÈ ÅÂ±× ¼öÁý ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈÇÑ ¾Ë°í¸®Áò¿¡¼­´Â ÅÂ±× ¼öÁý ¶ó¿îµåÀÇ ½ÃÀÛÀ» ³ªÅ¸³»´Â ¼öÁý ¸í·ÉÀ» ¼öÁ¤ÇÏ¿©, ÀÌÀü ¶ó¿îµåÀÇ LP ±¸°£ ÀÀ´ä¿¡ ´ëÇÑ °á°ú¸¦ Æ÷ÇÔ½ÃŲ´Ù. ¼öÁý ¸í·ÉÀ» ¼ö½ÅÇÑ Å±״ ÀÚ½ÅÀÌ ÀÀ´äÇÑ ½½·ÔÀÇ Ãæµ¹ ¿©ºÎ¸¦ È®ÀÎÇÏ°í, º°µµÀÇ Á¡´ëÁ¡ Àб⠸í·É°ú ½½¸³ ¸í·É ¾øÀÌ ÀÚ½ÅÀÇ µ¥ÀÌÅÍ ½½·ÔÀ¸·Î Ãß°¡ÀûÀÎ µ¥ÀÌÅ͸¦ Àü¼ÛÇÏ°í ½½¸³ »óÅ·ΠõÀÌÇÑ´Ù. Ç¥ÁØ¿¡¼­ÀÇ ¼öÁý ¶ó¿îµå´Â ÀÏ·ÃÀÇ ¼öÁý ¸í·É, ¼öÁý ÀÀ´ä, Àб⠸í·É, Àбâ ÀÀ´ä, ¹× ½½¸³ ¸í·ÉÀ¸·Î ±¸¼ºµÈ´Ù. ¹Ý¸é, Á¦¾ÈÇÑ ÅÂ±× ¼öÁý ¾Ë°í¸®ÁòÀº Ç¥ÁØ°ú´Â ´Þ¸® ÇϳªÀÇ ¼öÁý ¶ó¿îµå°¡ ¼öÁý ¸í·É ¹× ¼öÁý ÀÀ´äÀ¸·Î¸¸ ±¸¼ºµÈ´Ù. ¼º´É ºÐ¼® °á°ú, ű×ÀÇ ¼ö°¡ 300°³ÀÏ ¶§ Á¦¾ÈÇÑ ±â¹ýÀÇ Æò±Õ ½Äº°Áö¿¬Àº Ç¥ÁØ¿¡ ºñÇÏ¿© 16% °³¼±µÊÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
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(English Abstract)
In this paper, we propose a simplified tag collection algorithm to improve the performances of ISO/IEC 18000-7, which is a standard for an active RFID system. The proposed algorithm modifies the collection command that enables to start a tag collection round. The modified collection command includes the results of the listen period response for the previous collection round. Tags that receive the collection command check the collision status for their responses. If there is no collision, tags transmit their additional data and go into the sleep mode without the point-to-point read command and sleep command. A collection round for the standard consists of a collection command and response, a read command and response, and sleep command. On the other hand, in the proposed algorithm, a collection round consists of a collection command and response. The simulation results showed that the proposed algorithm can improve the identification delay about 16% compared with the standard when the number of tags are 300.
Å°¿öµå(Keyword) ´Éµ¿Çü RFID   ISO/IEC 18000-7   ÅÂ±× ¼öÁý ¾Ë°í¸®Áò   Ãæµ¹ ¹æÁö ¾Ë°í¸®Áò   Active RFID   ISO/IEC 18000-7   Tag collection algorithm   Anti-collision algorithm  
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