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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ ³í¹®Áö I : Á¤º¸Åë½Å

Á¤º¸°úÇÐȸ ³í¹®Áö I : Á¤º¸Åë½Å

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ¼¾¼­³×Æ®¿öÅ©ÀÇ À§Ä¡ÃßÁ¤¿¡ ÀÖ¾î Çø³¿À·ù¿¡ °­°ÇÇÑ ½ºÆ¼Äª ±â¹ý
¿µ¹®Á¦¸ñ(English Title) Flip Error Resistant Stitching in Sensor Network Localization
ÀúÀÚ(Author) ±Ç¿ÀÈì   ¹Ú»óÁØ   ¼ÛÇÏÁÖ   Ohheum Kwon   Sangjoon Park   Hajoo Song  
¿ø¹®¼ö·Ïó(Citation) VOL 36 NO. 01 PP. 0024 ~ 0033 (2009. 02)
Çѱ۳»¿ë
(Korean Abstract)
ÆÐÄ¡-½ºÆ¼Ä¡(patch-and-stitch) ±â¹ýÀ» »ç¿ëÇÏ´Â À§Ä¡ÃßÁ¤ ¾Ë°í¸®Áò¿¡¼­ ¹ß»ýÇÏ´Â Çø³¿À·ù´Â µÎ ÆÐÄ¡¸¦ ÇϳªÀÇ ÁÂÇ¥°è·Î ÅëÇÕÇÏ´Â °úÁ¤¿¡¼­ ÆÐÄ¡°¡ À߸ø µÚÁýÇô º´ÇյǴ °æ¿ì¿¡ ¹ß»ýÇÑ´Ù. º» ³í¹®Àº Çø³¿À·ùÀÇ ¹ß»ýÀ» ¾ïÁ¦ÇÏ´Â ¾ÞÄ¿ÇÁ¸®(anchor free) ÆÐÄ¡-½ºÆ¼Ä¡ À§Ä¡ÃßÁ¤ ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈÇÏ´Â ¾Ë°í¸®ÁòÀº µÎ ´Ü°è¸¦ °ÅÃļ­ Çø³ ¿À·ùÀÇ °¡´É¼ºÀ» Á¦°ÅÇÑ´Ù. ù°, °¢°¢ÀÇ ÀÎÁ¢ÇÑ ÆÐÄ¡ ½Ö¿¡ ´ëÇؼ­ Çø³¸ðÈ£¼º(flip ambiguity) °Ë»ç¸¦ ÅëÇØ Çø³¿À·ùÀÇ ¹ß»ý°¡´É¼ºÀÌ ³ôÀº ÆÐÄ¡ ½ÖÀ» ã¾Æ³½´Ù. µÑ°, Àü¿ªÀûÀÎ ¼öÁØ¿¡¼­ Çø³Ãæµ¹(flip conflict) °Ë»ç¸¦ ÅëÇØ Çø³ ¿À·ùÀÇ °¡´É¼ºÀÌ ³ôÀº ÆÐÄ¡ ½ÖÀ» ã¾Æ³½´Ù. ½Ã¹Ä·¹À̼ÇÀ» ÅëÇÑ ¼º´É Æò°¡´Â Á¦¾ÈÇÏ´Â ¾Ë°í¸®ÁòÀÌ ±âÁ¸ °Í¿¡ ºñÇØ ´õ ¿ì¼öÇÑ À§Ä¡ÃßÁ¤ÀÌ °¡´ÉÇÔÀ» º¸¿©ÁØ´Ù.
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(English Abstract)
In patch-and-stitch localization algorithms, a flip error refers to the kind of error in which a patch is stitched to the map as being wrongly reflected. In this paper, we present an anchor-free localization algorithm which tries to detect and prevent flip errors. The flip error prevention is achieved by two filtering mechanisms: the flip-ambiguity test and the flip-conflict detection. We evaluate the performances of proposed techniques though simulations and show that they achieve significant performance improvements.

Å°¿öµå(Keyword) ¹«¼±¼¾¼­³×Æ®¿öÅ©   wireless sensor network   À§Ä¡ÃßÁ¤ ¾Ë°í¸®Áò   localization algorithm   Çø³¿À·ù ¹æÁö   flip error prevention  
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