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Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
BeaconÀÇ À§Ä¡ ÃßÀû ±â¼úÀ» ÀÌ¿ëÇÑ ³îÀÌÅÍ¿¡¼ÀÇ ¾î¸°ÀÌ À§Ä¡ Á¤º¸ È°¿ë ½Ã½ºÅÛ |
¿µ¹®Á¦¸ñ(English Title) |
Children's Location Tracking System In Playground Using Beacon's Positioning Technology |
ÀúÀÚ(Author) |
ÃÖ¼±
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¾ÆÁöÁî ³ª½º¸®µð³ëÇÁ
Sun Choi
Chang-Heon Choi
So-Yeong Yun
Yeon-Hui Noh
Jang Eui Hong
Kwan-Hee Yoo
Aziz Nasridinov
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¿ø¹®¼ö·Ïó(Citation) |
VOL 32 NO. 03 PP. 0223 ~ 0231 (2016. 12) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®Àº ƯÁ¤ °ø°£¿¡¼ »ç¿ëÀÚ°¡ ÃâÀÔÇßÀ» ¶§ ½º¸¶Æ®Æù ¾ÛÀ» ÅëÇØ À§Ä¡¸¦ ÆľÇÇÒ ¼ö ÀÖ´Â ±â¼úÀÎ BeaconÀ» È°¿ëÇÏ¿© ³îÀÌÅÍ¿¡¼ÀÇ ¾î¸°ÀÌ À§Ä¡ Á¤º¸¸¦ ȹµæÇÏ°í, ±× Á¤º¸¸¦ ½Ã½ºÅÛ¿¡¼ È¿°úÀûÀ¸·Î È°¿ëÇϱâ À§ÇÑ ½Ã½ºÅÛÀ» Á¦¾ÈÇÑ´Ù. À̶§ BeaconÀ» À§Ä¡ Á¤º¸ ȹµæÀ» À§ÇØ »ç¿ëÇÔ¿¡ ÀÖ¾î BeaconÀÇ ºÒ¾ÈÁ¤ÇÑ ¼ÛÃâ ½ÅÈ£´Â Á¤È®ÇÑ À§Ä¡ Á¤º¸ÀÇ È¹µæÀ» ¾î·Æ°Ô ¸¸µç´Ù. À̸¦ ÇØ°áÇϱâ À§ÇØ º» ³í¹®¿¡¼´Â ¾ËÆÄ-Æ®¸²µå Æò±Õ°ª ÇÊÅÍ(Alpha-Trimmed Mean Filter)¸¦ ÅëÇØ ½ÅÈ£ÀÇ ºÒ¾ÈÁ¤¼ºÀ» ÇØ°áÇÏ¿´À¸¸ç ÀÌÈÄ º¸´Ù Á¤È®ÇÑ ¾î¸°ÀÌÀÇ À§Ä¡ ÆľÇÀ» À§ÇØ »ïº¯ Ãø·®¹ýÀ» Àû¿ëÇÏ¿© À§Ä¡ Á¤º¸ÀÇ Á¤È®¼ºÀ» Çâ»ó½ÃÄ×´Ù. ÀÌ·¸°Ô ¾ò¾îÁø À§Ä¡ Á¤º¸´Â ¼¹ö¿¡ ÀúÀåµÇ¸ç, ÀÌÈÄ ½º¸¶Æ®Æù ¾ÛÀ» ÅëÇØ ºÎ¸ð°¡ ¾ÆÀÌÀÇ À§Ä¡¸¦ ¾ðÁ¦ ¾îµð¿¡¼µçÁö È®ÀÎÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù. ÀÌ·¯ÇÑ ½Ã½ºÅÛ ±¸ÃàÀÇ °á°ú, BeaconÀ» È°¿ëÇÑ °æ¿ì°¡ ±âÁ¸ÀÇ GPS¸¦ ÅëÇØ À§Ä¡ Á¤º¸¸¦ ÆľÇÇÏ¿´À» ¶§ º¸´Ù ´õ¿í Á¤È®ÇÑ À§Ä¡ Á¤º¸ÀÇ È¹µæÀÌ °¡´ÉÇØÁüÀ¸·Î½á ³îÀÌÅÍ¿¡¼ ¹ß»ýÇÒ ¼ö ÀÖ´Â ¹Ì¾Æ »ç°í¸¦ ¹Ì¿¬¿¡ ¹æÁöÇÒ ¼ö ÀÖÀ½À» È®ÀÎÇÒ ¼ö ÀÖ¾úÀ¸¸ç À̸¦ ÅëÇØ GPS µî¿¡ ±â¹ÝÇÑ À§Ä¡ Á¤º¸ È°¿ë ¼ºñ½ºÀÇ Á¤È®µµ °³¼±¿¡µµ BeaconÀÌ ±àÁ¤ÀûÀÎ È¿°ú¸¦ ¹ÌÄ¥ ¼ö ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.
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¿µ¹®³»¿ë (English Abstract) |
In this paper, we propose a children's location tracking system in playground that uses beacon's positioning technique. One of the main challenges of using beacon for location tracking is that it outputs unstable transmission signal, which makes it difficult to acquire an accurate position information. In order to solve this problem, we first apply Alpha-Trimmed Mean Filter technique to overcome the signal instability, and use trilateration technique in order to improve the accuracy of position information. The acquired location information is then stored on the server, and parents can track their children's location through the smartphone app. The experiment results demonstrate that the proposed method outputs more accurate location information comparing to GPS. The proposed method can be utilized as a warning system to the parents if a child leaves the playground, and thus, prevent from various safety related issues such as missing or kidnapping.
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Å°¿öµå(Keyword) |
ºñÄÜ
À§Ä¡ ÃßÀû µ¥ÀÌÅÍ
¾ÈÀü
Beacon
location tracking data
safety
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ÆÄÀÏ÷ºÎ |
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