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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 : 95 / 246 ÀÌÀü°Ç ÀÌÀü°Ç   ´ÙÀ½°Ç ´ÙÀ½°Ç

ÇѱÛÁ¦¸ñ(Korean Title) ´ÙÁßÀÎÅÍÆäÀ̽º ´ÙÁßä³Î 2.4GHz ´Éµ¿Çü RFID ¸®´õ ÇÁ·ÎÅäÄÝ ±¸Çö¹æ¹ý¿¡ °üÇÑ ¿¬±¸
¿µ¹®Á¦¸ñ(English Title) A Study about Implementation Method of Multi-Interface Multi-Channel 2.4GHz Active RFID Reader Protocol
ÀúÀÚ(Author) ±èµ¿Çö   ÀÌä¼®   ±èÁ¾´ö   Dong-Hyun Kim   Chae-Suk Lee   Jong-Doek Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 14 NO. 04 PP. 1005 ~ 1014 (2010. 04)
Çѱ۳»¿ë
(Korean Abstract)
´ÙÁßÀÎÅÍÆäÀ̽º, ´ÙÁßä³Î 2.4GHz ´Éµ¿Çü RFID½Ã½ºÅÛ¿¡¼­ ¸®´õ°¡ ű׵éÀ» ¼öÁýÇÒ ¶§, ƯÁ¤ ÀÎÅÍÆäÀ̽º·Î űװ¡ ÁýÁßÈ­µÇ´Â ¹®Á¦°¡ ¹ß»ýÇÑ´Ù. ÀÌ·¯ÇÑ ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇØ ÀÎÅÍÆäÀ̽º °£ ºÎÇÏ ºÐ»ê ÇÁ·ÎÅäÄÝÀÎ LP-°áÇÕ°ú AP-±ÕÇü ÇÁ·ÎÅäÄÝÀ» ¼³°èÇÏ°í ½Ã¹Ä·¹À̼ÇÀ» ÅëÇÏ¿© ¼º´ÉÀÇ ¿ì¼ö¼ºÀ» º¸¿´´Ù. ¼³°èµÈ ÇÁ·ÎÅäÄݵéÀ» Æß¿þ¾î·¹º§ÀÇ Çϵå¿þ¾î¿¡¼­ ±¸ÇöÇϱ⿡´Â ¼¼ °¡Áö ¹®Á¦¸¦ °¡Áø´Ù. ù°, űװ¡ ·£´ýÇÏ°Ô ¸®´õÀÇ Ã¤³ÎÀ» ¼±ÅÃÇÏ°í, ¸®´õ°¡ ű×ÀÇ Ã¤³ÎÀ» º¯°æ½Ãų ¼ö ÀÖ´Â ¹æ¹ýÀÌ ÇÊ¿äÇÏ´Ù. µÑ°, ¸®´õ¿Í ÅÂ±× °£ µ¿±â ¹®Á¦ÀÌ´Ù. ¼Â°, ÇϳªÀÇ MCU°¡ 2°³ÀÇ ÀÎÅÍÆäÀ̽º¸¦ µ¿½Ã¿¡ µ¿ÀÛ½ÃÅ°´Â ¹®Á¦ÀÌ´Ù. ÀÌ °°Àº ¹®Á¦¸¦ ÇØ°áÇϱâÀ§ÇØ ÅÂ±× Ã¤³Î º¯°æÀ» À§ÇÑ ¸Þ½ÃÁö ¼³°è ¹× ÅÂ±× Ã¤³Î º¯°æ ¹æ¹ý°ú ¸®´õ¿Í ÅÂ±× °£ µ¿±â¸¦ ¸ÂÃß±â À§ÇÑ ÇÁ·ÎÅäÄÝÀ» ±¸ÇöÇß´Ù. ±×¸®°í ½ÇÇèÀ» ÅëÇØ ÇÁ·ÎÅäÄÝÀÇ ¼º´ÉÀ» ºñ±³ ºÐ¼® ÇÏ¿´´Ù. LPÀ©µµ¿ìÅ©±â°¡ °°À» °æ¿ì, ºÎÇϺлêÀ» ÅëÇØ Ãæµ¹ È®·üÀ» ³·°Ô ÇÏ´Â LP-°áÇÕ, AP-±ÕÇüÀÇ ¼º´ÉÀÌ ´ÜÀÏÀÎÅÍÆäÀ̽ºº¸´Ù ¿ì¼öÇß´Ù.
¿µ¹®³»¿ë
(English Abstract)
When reader collect tags, we found that they tend to get together to specific interface in Multi-Interface Multi-Channel 2.4GHz Active RFID system. To solve this problem, we designed the LP-Combind and AP-Balanced protocol for load distribution between interfaces, then verified its superiority of the performance through the simulation. There are three problems to implement designed protocols in hardware of firmware-level. first, tag selects randomly the channel of reader and reader need the method which can change the channel of tags. second, reader has the synchronization problem between reader and tag. third, reader has problem that MCU of reader have to operate simultaneously dual interface. To slove this problems, we designed the message and implemented method for tag channel change and the protocol in order to adjust synchronization between reader and tag, Therefore, we compared and analyzed the performance of protocols by experiment. If LP windows size is same, the performance of LP-Combined protocol and AP-Balanced protocol which lower collision probability by its load distribution is more outstanding than single interface protocol performance.
Å°¿öµå(Keyword) 2.4GHz ´Éµ¿Çü RFID   ´ÙÁßÀÎÅÍÆäÀ̽º   ´ÙÁßä³Î   ¸®´õ ÇÁ·ÎÅäÄÝ   ºÎÇϺй蠠 2.4GHz Active RFID   Multi-Interface   Multi-Channel   Reader Protocol   Load-Balancing  
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