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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö > Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö ÄÄÇ»ÅÍ ¹× Åë½Å½Ã½ºÅÛ

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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) Wi-Fi ȯ°æ¿¡¼­ °¡»ó Access Point¸¦ ÀÌ¿ëÇÑ ½Ç³» À§Ä¡ÃßÁ¤ ¾Ë°í¸®ÁòÀÇ ¼º´ÉºÐ¼®
¿µ¹®Á¦¸ñ(English Title) Performance Analysis of Indoor Localization Algorithm Using Virtual Access Points in Wi-Fi Environment
ÀúÀÚ(Author) Boney Labinghisa   À̵¿¸í   Boney Labinghisa   Dong Myung Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 06 NO. 03 PP. 0113 ~ 0120 (2017. 03)
Çѱ۳»¿ë
(Korean Abstract)
½Ç³» Wi-Fiȯ°æ¿¡¼­ À§Ä¡ÃßÁ¤ Á¤È®µµ¸¦ Çâ»ó½ÃÅ°±â À§ÇÑ À§Ä¡ÃßÁ¤¿¡ ´ëÇÑ ¿¬±¸°¡ ¼ö³â µ¿¾È °è¼ÓµÇ¾î ¿À°í ÀÖ´Ù. ÇΰÅÇÁ¸°Æ® ±â¹ý ¹× ÀüÆĸðµ¨Àº ½Ç³» À§Ä¡ÃßÁ¤¿¡ À־ ¸Å¿ì Áß¿äÇÑ ±â¼úÀÌ´Ù. Ãß°¡ÀûÀÎ Çϵå¿þ¾î ¾øÀÌ Àúºñ¿ëÀ¸·Î ÇΰÅÇÁ¸°Æ® ±â¹ýÀ» »ç¿ëÇÏ´Â ´Ù¾çÇÑ À§Ä¡ ÃßÁ¤ ½Ã½ºÅÛ¿¡ ´ëÇÑ ¿¬±¸°¡ ÁøÇàµÇ°í ÀÖ´Ù. ±×·¯³ª ½Ç³» À§Ä¡ÃßÁ¤ ¸ðµ¨¿¡¼­ VAP (virtual access points) °³³äÀ» »ç¿ëÇÏ¿© ÀÌ·¯ÇÑ ¸ñÇ¥¸¦ ½ÇÇöÇÑ »ç·Ê´Â ¸Å¿ì µå¹°´Ù. º» ³í¹®Àº Wi-Fi ȯ°æÀÇ ÇΰÅÇÁ¸°Æ® ±â¹Ý¿¡¼­ VAP¸¦ »ç¿ëÇÑ ½Ç³» À§Ä¡ÃßÁ¤ ½Ã½ºÅÛÀÇ ¾ÆÀ̵ð¾î¸¦ Á¦½ÃÇÏ¿´´Ù. ÀÌ ¾ÆÀ̵ð¾îÀÇ ÇÙ½ÉÀº ½ÇÁ¦ ½Ç³» Wi-Fi ȯ°æ¿¡¼­ VAP¸¦ »ç¿ëÇÏ¿© APÀÇ ¿ªÇÒÀ» ¼öÇà ÇÒ ¼ö ÀÖ´Ù. Á¦¾È ¾Ë°í¸®ÁòÀÇ ¼º´ÉºÐ¼®À» À§ÇÏ¿© 4 °³ÀÇ ½Ã³ª¸®¿À¸¦ »ç¿ëÇÏ¿© ½ÇÇèÇÑ °á°ú, 1°³ÀÇ AP ´ë½Å¿¡ 2°³ÀÇ VAP¸¦ »ç¿ëÇßÀ» ¶§ °¡Àå ¿ì¼öÇÑ °á°ú°¡ µµÃâµÇ¾úÀ¸¸ç, ½ÇÇèÀÇ 3¹ø° °æ¿ìÀÎ 3°³ÀÇ AP¿Í 2°³ÀÇ VAP¸¦ »ç¿ëÇßÀ» ¶§ 3.99 ¹ÌÅÍÀÇ °¡Àå ³·Àº À§Ä¡¿ÀÂ÷°¡ ¹ß»ýÇÏ¿´À½À» È®ÀÎÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
In recent years, indoor localization has been researched for the improvement of its localization accuracy capability in Wi-Fi environment. The fingerprint and RF propagation models has been the main approach in determining indoor positioning. With the use of fingerprint, a low-cost, versatile localization system can be achieved without the use of external hardware. However, only a few research have been made on virtual access points (VAPs) among indoor localization models. In this paper, the idea of indoor localization system using fingerprint with the addition of VAP in Wi-Fi environment is discussed. The idea is to virtually add APs in the existing indoor Wi-Fi system, this would mean additional virtually APs in the network. The experiments of the proposed algorithm shows the positive results when 2VAPs are used compared with only APs. A combination of 3APs and 2VAPs in the 3rd case had the lowest average error of 3.99 among its 4 scenarios.
Å°¿öµå(Keyword) ¿ÍÀÌÆÄÀÌ   ½Ç³» À§Ä¡ÃßÁ¤   ÇΰÅÇÁ¸°Æ®   °¡»óAP   Wi-Fi   Indoor Localization   Fingerprinting   Virtual Access Points  
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