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Current Result Document : 3 / 4

ÇѱÛÁ¦¸ñ(Korean Title) °í½Å·Úµµ ¹«¼±¼¾¼­³×Æ®¿öÅ©¸¦ À§ÇÑ È©ÇÎ ¼¾¼­ Àç¹èÄ¡¿¡ ´ëÇÑ ¿¬±¸
¿µ¹®Á¦¸ñ(English Title) On Relocation of Hopping Sensors for High Reliability Wireless Sensor Networks
ÀúÀÚ(Author) ±è¹®¼º   ¹Ú±¤Áø   Moonseong Kim   Kwangjin Park  
¿ø¹®¼ö·Ïó(Citation) VOL 12 NO. 02 PP. 0047 ~ 0053 (2011. 04)
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(Korean Abstract)
¹«¼±¼¾¼­³×Æ®¿öÅ©¿¡¼­ »ìÆ÷ÇÑ ¼¾¼­ Áß ÀϺÎÀÇ °áÇÔÀÌ ¹ß»ýÇϰųª ¿¡³ÊÁö°¡ °í°¥µÉ ½Ã, À̵¿ ¼¾¼­(Mobile Sensor)µéÀÇ Àç¹èÄ¡·Î °áÇÔÀÌ ¹ß»ýÇÑ Áö¿ª(Áï, ¼¾½Ì Ȧ: Sensing Hole)À» º¹±¸ÇÒ ¼ö ÀÖ´Ù. ¼ö¸¹Àº ¹ÙÀ§ µîÀÌ ÁñºñÇÑ °ÅÄ£ Áö¿ª¿¡¼­´Â ¹ÙÄû ±â¹ÝÀÇ À̵¿ ¼¾¼­´Â Àû´çÇÏÁö ¾ÊÀ¸¹Ç·Î Á¡ÇÁ¸¦ ÅëÇØ À̵¿ÀÌ °¡´ÉÇÑ È©ÇÎ ¼¾¼­°¡ ÇÊ¿äÇÏ´Ù. º» ³í¹®¿¡¼­´Â ¹ß»ýÇÑ ¼¾½Ì ȦÀÇ º¹±¸¸¦ À§ÇÑ Àç¹èÄ¡ ¹®Á¦ ¹× ±×¿¡ µû¸¥ ´Ù¾çÇÑ ¹®Á¦µéÀ» »ìÆ캻´Ù. °ú°Å È©ÇÎ ¼¾¼­µéÀ» À̵¿½ÃÅ°±â À§ÇÏ¿© ´ÜÁö ÃÖ´Ü°æ·Î¸¸À» °í·ÁÇÏ¿´À¸³ª, º» ³í¹®¿¡¼­´Â ÃÖ´ë ¾ù°¥¸² ¾ø´Â °æ·Î ¹× ´ÙÁß°æ·Î¸¦ È°¿ëÇÏ¿© ¶Ç´Ù¸¥ ¼¾½ÌȦÀÇ ¹ß»ýÀ» ¸·À» ¼ö ÀÖ¾ú´Ù. ½Ã¹Ä·¹ÀÌ¼Ç °á°ú´Â Á¦¾ÈÇÏ´Â ±â¹ýµéÀÌ ÃÖ´Ü°æ·Î¸¦ ±â¹ÝÀ¸·Î ÇÑ ±â¹ý¿¡ ºñÇØ È©ÇÎ ¼¾¼­ÀÇ ±ÕÇüÀûÀÎ ºÐ¹è¿Í À̵¿¼º°ø·ü¿¡¼­ ¿ì¼öÇÔÀ» º¸ÀδÙ.
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(English Abstract)
When some sensors under Wireless Sensor Networks fail or become energy-exhausted, redundant mobile sensors might be moved to recover the sensing holes. Within rugged terrain where wheeled sensors are unsuitable, other type of mobile sensors, such as hopping sensors, are needed. In this paper, we address the problem of relocating hopping sensors to the detected sensing holes. Recent study for this work considered the relocation using the shortest path between clusters; however, the shortest path might be used repeatedly and create other sensing holes. In order to overcome the mentioned problem, we propose relocation schemes using the most disjointed paths or multi-paths. Simulation results show that the proposed schemes guarantee more balanced migration distributions of efficient sensors and higher movement success ratios of required sensors than those of the shortest path-based scheme.
Å°¿öµå(Keyword) À̵¿ ¼¾¼­   Mobile Sensors   È©ÇÎ ¼¾¼­   Hopping Sensors   ¼¾¼­ Àç¹èÄ¡   Sensor Relocation   ¹«¼±¼¾¼­³×Æ®¿öÅ©   Wireless Sensor Network  
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