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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ¹«¼± ½ÅÈ£¼¼±â ±â¹Ý ÆÄƼŬ ÇÊÅ͸¦ ÀÌ¿ëÇÑ ½Ç³» ÃøÀ§ ½Ã½ºÅÛÀÇ ¼³°è ¹× ±¸Çö
¿µ¹®Á¦¸ñ(English Title) Design and Implementation of Indoor Positioning System Using Particle Filter Based on Wireless Signal Intensity
ÀúÀÚ(Author) Ȳ ¹ü   Á¤ÀçÈÆ   Beom Hwang   Jaehoon Jeong  
¿ø¹®¼ö·Ïó(Citation) VOL 47 NO. 04 PP. 0433 ~ 0444 (2020. 04)
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(Korean Abstract)
º» ³í¹®¿¡¼­´Â ºñÄÜÀÇ ¹«¼± ½ÅÈ£¼¼±â¸¦ È°¿ëÇÏ¿© ½Ç³»¿¡¼­ »ç¿ëÀÚÀÇ À§Ä¡¸¦ ÃßÀûÇÏ´Â ½Ç³» ÃøÀ§ ½Ã½ºÅÛÀ» Á¦¾ÈÇÑ´Ù. ±âÁ¸ÀÇ ¹«¼± ½ÅÈ£¼¼±â ±â¹Ý ½Ç³» ÃøÀ§±â¹ýÀÇ ºñ¼±Çü¼ºÀ» ±Øº¹Çϱâ À§ÇØ ¹«¼± ½ÅÈ£¼¼±âÀÇ ¿ÀÂ÷°¡ ÃøÀ§ °á°ú¿¡ Á÷Á¢ÀûÀ¸·Î ¹Ý¿µµÇÁö ¾Êµµ·Ï ÆÄƼŬ ÇÊÅ͸¦ ÃøÀ§ ¾Ë°í¸®ÁòÀ¸·Î½á È°¿ëÇÏ¿´´Ù. ÆÄƼŬ ÇÊÅÍÀÇ °üÃø ´Ü°è¿¡¼­ °¢ ºñÄÜÀ¸·ÎºÎÅÍ ¼ö½ÅµÇ´Â ¹«¼± ½ÅÈ£¼¼±â¸¦ ±â¹ÝÀ¸·Î »ç¿ëÀÚÀÇ ½º¸¶Æ®Æù°úÀÇ °Å¸®¸¦ ¿¹ÃøÇÏ°í, ¿¹ÃøµÈ °Å¸® °ªÀ» ÅëÇØ °¢ ÆÄƼŬÀÇ ÃßÃøµÇ´Â ½ÇÁ¦ À§Ä¡ °ª°úÀÇ À¯»çµµ¸¦ »êÁ¤ÇÑ´Ù. º» Á¦¾ÈµÈ ÃøÀ§±â¹ýÀº ÆÄƼŬÀÇ À̵¿ ´Ü°è¿¡¼­ ¸óÅ×Ä«¸¦·Î ¹æ¹ýÀ̶ó°í ºÒ¸®´Â ·£´ý ¿öÅ© ±â¹ýÀ» ÀÌ¿ëÇÏ¿© À§Ä¡ÃßÁ¤ °ªÀ» °è»êÇØ ³ª°¡µµ·Ï ÇÑ´Ù. Ãß°¡ÀûÀ¸·Î ÆÄƼŬ ÇÊÅÍÀÇ Àß ¾Ë·ÁÁø ±¹ºÎ ÃÖ¼ÒÈ­ ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇØ ÆÄƼŬµéÀÌ ºü¸£°Ô »ç¿ëÀÚÀÇ À§Ä¡¸¦ ã¾Æ°¥ ¼ö ÀÖµµ·Ï °Å¸® ¿¹Ãø°ª¿¡ µû¶ó ºñÄܵé°ú °¡Àå °¡±õ°Ô °¨ÁöµÇ´Â ÆÄƼŬµéÀº ±ÙÁ¢ °¡ÁßÄ¡¸¦ ºÎ¿©¹Þ´Â´Ù. ¶ÇÇÑ ½Ç³»Áöµµ¸¦ °í·ÁÇÏ¿© º¸Çà°æ·Î »ó¿¡¼­ÀÇ ÃøÀ§¿ÀÂ÷¸¦ º¸Á¤ÇÑ´Ù.
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(English Abstract)
This paper proposes an Indoor Positioning System to track a user¡¯s position indoors by using beacons¡¯ wireless signal intensity. To overcome the non-linearity of an existing indoor positioning scheme using wireless signal intensity, a particle filter is used for a positioning algorithm, so the noise of the wireless signal intensity is not directly reflected on the positioning result. In the observation phase of the particle filter, the distance from a user¡¯s smartphone is estimated based on the wireless signal intensity, and the similarity of each particle with an estimated ground truth is calculated through the predicted distance value. Also, our proposed positioning scheme uses the random walk technique (the Monte Carlo method) to calculate a position estimation value. Additionally, to solve the well-known local minimum problem of the particle filter, the particles estimated closest to the beacons according to the distance prediction values are given proximity weights, so the particles can quickly locate the user. The positioning error on the walking path is also corrected by considering the indoor map.
Å°¿öµå(Keyword) ½Ç³» ÃøÀ§ ½Ã½ºÅÛ   ÃøÀ§±â¹ý   ¹«¼± ½ÅÈ£¼¼±â   ºñÄÜ   ÆÄƼŬ ÇÊÅÍ   Ä®¸¸ ÇÊÅÍ   indoor positioning system   positioning scheme   wireless signal intensity   beacon   particle filter   Kalman filter  
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