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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ ³í¹®Áö D : µ¥ÀÌŸº£À̽º

Á¤º¸°úÇÐȸ ³í¹®Áö D : µ¥ÀÌŸº£À̽º

Current Result Document : 5 / 18 ÀÌÀü°Ç ÀÌÀü°Ç   ´ÙÀ½°Ç ´ÙÀ½°Ç

ÇѱÛÁ¦¸ñ(Korean Title) RFID µ¥ÀÌÅÍÀÇ ÀÏ°ü¼ºÀ» À§ÇÑ Àç¼öÇà Æ®·£Àè¼Ç ¸ðµ¨
¿µ¹®Á¦¸ñ(English Title) A Reprocessing Transaction Model for Consistency of RFID Data
ÀúÀÚ(Author) ·ù¿ì¼®   È«ºÀÈñ   ±ÇÁØÈ£   Wooseok Ryu   Bonghee Hong   Joonho Kwon  
¿ø¹®¼ö·Ïó(Citation) VOL 39 NO. 05 PP. 0296 ~ 0307 (2012. 10)
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(Korean Abstract)
RFID µ¥ÀÌÅÍ´Â RFID ű×ÀÇ ¸Þ¸ð¸®¿¡ ÀúÀåµÈ µ¥ÀÌÅͷμ­ RFID ű׸¦ ºÎÂøÇÑ ¹°Ç°ÀÇ »ó¼¼Á¤º¸¸¦ ±â·Ï/Á¶È¸Çϴµ¥ »ç¿ëµÈ´Ù. RFID µ¥ÀÌÅ͸¦ Á¢±ÙÇϱâ À§ÇØ ¹Ìµé¿þ¾î¿¡ µî·ÏµÈ ÅÂ±× ¿¬»êµéÀº űװ¡ RFID ¸®´õ¸¦ ÅëÇØ ÀνĵǾúÀ» ¶§ RF Åë½ÅÀ» ÀÌ¿ëÇÏ¿© ½ÇÇàµÈ´Ù. ÇÏÁö¸¸, À̶§ Åë½ÅÀÇ °£Ç漺 ¹× ºÒÈ®½Ç¼ºÀ¸·Î ÀÎÇØ ¿¬»êÀÌ ¿ÏÀüÈ÷ ½ÇÇàµÇÁö ¾ÊÀ» ¼ö ÀÖ´Ù. Áï, Åë½Å ¸Þ½ÃÁö°¡ À¯½ÇµÇ°Å³ª űװ¡ Åë½Å ¿µ¿ª¿¡¼­ ¹þ¾î³ª´Â °æ¿ì ¿¬»êÀÇ ÀϺθ¸ ½ÇÇàµÇ°Å³ª ÅÂ±× »óÅ°¡ ºÒºÐ¸íÇØÁö´Â °æ¿ì°¡ ¹ß»ýÇϸç, ÀÌ·Î ÀÎÇØ µ¥ÀÌÅÍÀÇ ºÒÀÏÄ¡ ¹®Á¦°¡ ¹ß»ýÇÑ´Ù. º» ³í¹®¿¡¼­´Â ÅÂ±× ¿¬»êµéÀ» RFID Æ®·£Àè¼ÇÀ¸·Î ¸ðµ¨¸µÇÏ°í Æ®·£Àè¼Ç 󸮸¦ ÅëÇØ RFID µ¥ÀÌÅÍÀÇ ÀÏ°ü¼ºÀ» º¸ÀåÇÏ´Â ±â¹ýÀ» Á¦½ÃÇÑ´Ù. À̸¦ À§ÇØ º» ³í¹®¿¡¼­´Â ¸ÕÀú RFID Æ®·£Àè¼ÇÀ» Á¤ÀÇÇÏ°í ±âÁ¸ÀÇ Æ®·£Àè¼Ç°úÀÇ Â÷ÀÌÁ¡À» ºÐ¼®ÇÑ´Ù. Æ®·£Àè¼ÇÀÌ ºÒ¿ÏÀüÇÏ°Ô ½ÇÇàµÈ °æ¿ì, À̸¦ Àç ó¸®Çϱâ À§ÇÑ Àç¼öÇà Æ®·£Àè¼ÇÀ» Á¤ÀÇÇÏ°í űװ¡ ÀÓÀÇÀÇ ¸®´õ¿¡¼­ ´Ù½Ã ÀνĵǾúÀ» ¶§ Æ®·£Àè¼ÇÀÇ ¿Ï·á¸¦ º¸ÀåÇϱâ À§ÇÑ Àç¼öÇà Æ®·£Àè¼Ç ¸ðµ¨À» Á¦¾ÈÇÑ´Ù. ¶ÇÇÑ, RFID µ¥ÀÌÅÍÀÇ ÀÏ°ü¼ºÀ» º¸ÀåÇϱâ À§ÇÏ¿© ¿¬¼Ó ÁúÀǸ¦ ±â¹ÝÀ¸·Î ÇÑ µ¿½Ã¼º Á¦¾î ¸ÞÄ¿´ÏÁòÀ» Á¦½ÃÇÔÀ¸·Î½á RF Åë½ÅÀÇ Æ¯¼ºÀ¸·Î ÀÎÇØ ¹ß»ýÇÏ´Â µ¥ÀÌÅÍ ºÒÀÏÄ¡ ¹®Á¦¸¦ ÇØ°áÇÑ´Ù. ½Ã¹Ä·¹ÀÌ¼Ç ½ÇÇèÀ» ÅëÇØ Á¦¾ÈÇÏ´Â Àç¼öÇà ¸ðµ¨ÀÌ Æ®·£Àè¼ÇÀÇ ÀÏ°ü¼ºÀ» À¯ÁöÇÔ°ú µ¿½Ã¿¡ Æ®·£Àè¼ÇÀÇ ¿Ï·á ¼º´É ¶ÇÇÑ Áõ°¡½ÃÅ´À» ÀÔÁõÇÑ´Ù.
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(English Abstract)
RFID data are stored in the memory of RFID tag for recording/retrieving detailed information of tagged objects. Tag operations are registered in the RFID middleware to access RFID data, and can be executed when the corresponding tag is identified by the corresponding RFID reader. However, volatility and uncertainty of RF communication interferes complete execution of the tag operations. Communication errors, such as message loss or tag¡¯s disappearance from the RF-field of the reader, cause partial writes or the indeterminate state of RFID data. As a result, RFID data remain inconsistent. The idea of this paper is to model tag operations as RFID transaction and provide consistency of RFID data in point of transaction processing. To do this, this paper first defines RFID transaction and discusses unique characteristics of RFID transaction compared from other transactions. This paper also proposes a reprocessing transaction model to ensure commit of incomplete transactions. The proposed model creates a reprocessing transaction for an incomplete transaction and resumes execution of the transaction when the corresponding tag is re-observed by any reader. This paper also proposes a continuous-query based concurrency control mechanism to provide consistency of RFID data during the reprocessing. Experimental study shows that the proposed model increases the number of successful executions of RFID transactions as well as preserves consistency of RFID data.
Å°¿öµå(Keyword) Àç¼öÇà Æ®·£Àè¼Ç   RFID Æ®·£Àè¼Ç   ÀÏ°ü¼º Á¦¾î   ÅÂ±× ¿¬»ê   Æ®·£Àè¼Ç ¸ðµ¨   Reprocessing Transaction   RFID Transaction   Consistency Control   Tag Operation   Transaction Model  
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