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Current Result Document :
7
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ÇѱÛÁ¦¸ñ(Korean Title)
¹«¼± ¼¾¼ ³×Æ®¿öÅ©¿¡¼ ŽºÅ© ºÐÇظ¦ ÅëÇÑ È¿À²ÀûÀΠŽºÅ© ÇÒ´ç ±â¹ý
¿µ¹®Á¦¸ñ(English Title)
Efficient Task Assignment Scheme in Wireless Sensor Networks via Task Decomposition
ÀúÀÚ(Author)
¹ÚÈñ¹Î
Heemin Park
¿ø¹®¼ö·Ïó(Citation)
VOL 18 NO. 02 PP. 0101 ~ 0109 (2012. 02)
Çѱ۳»¿ë
(Korean Abstract)
¼¾¼³×Æ®¿öÅ©ÀÇ ¿¡³ÊÁö ¼Òºñ´Â ŽºÅ©¸¦ ³×Æ®¿öÅ© Àüü¿¡¼ ¾î¶² ¼¾¼ ³ëµå¿¡ ÇÒ´çÇÏ´À³Ä°¡ Å©°Ô Á¿ìÇÑ´Ù. º» ³í¹®¿¡¼´Â ŽºÅ© ºÐÇØ¿Í º¯È¯À» ÀÌ¿ëÇÏ¿© ¹«¼± ¼¾¼³×Æ®¿öÅ©ÀÇ ¼º´ÉÀ» Çâ»ó½ÃÅ°±â À§ÇÑ Å½ºÅ© ÇÒ´ç ±â¹ý¿¡ ´ëÇØ ±â¼úÇÑ´Ù. ŽºÅ© ºÐÇØ ¹× º¯È¯À» µ¿½Ã¿¡ Ç¥ÇöÇÏ´Â ºñ¿ë ÇÔ¼ö¸¦ Á¦½ÃÇÏ°í À̸¦ ÀÌ¿ëÇÏ¿© ŽºÅ© ÇÒ´ç ¹®Á¦¸¦ ÃÖÀûÈ ¹®Á¦·Î ¼ö½ÄÈÇÑ´Ù. º» ³í¹®¿¡¼ Á¦½ÃÇÑ ±â¹ýÀÇ ½ÇÈ¿¼º°ú ½ÇÇö °¡´É¼ºÀ» Áõ¸íÇϱâ À§ÇÏ¿© °¡»ó ¾î´Ò¸µ(simulated annealing) ±â¼úÀ» ÀÌ¿ëÇÏ¿© ŽºÅ© ÇÒ´ç ±â¹ýÀ» ±¸ÇöÇÏ¿´´Ù. ½ÇÇè °á°ú¸¦ ÅëÇØ ½ÅÁßÇÑ Å½ºÅ© ÇÒ´ç°ú ŽºÅ© ºÐÇظ¦ ÀÌ¿ëÇÏ¸é ¹«¼± ¼¾¼³×Æ®¿öÅ©ÀÇ ¼º´ÉÀ» Å©°Ô Çâ»ó ½Ãų ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
The energy consumption of a sensor network is significantly affected by task assignments to the nodes in the network. In this paper, a task assignment method to extend the lifetime of wireless sensor networks is presented that exploits task decomposition and transformation. The task assignment is formulated as an optimization problem by providing a cost function incorporating the task decomposition and transformation at the same time. To show the validity and feasibility of our proposed method, we implement a task assignment framework using a simulated annealing approach. The simulation results show that optimal assignments and task decomposition can significantly improve the lifetime of wireless sensor networks.
Å°¿öµå(Keyword)
¹«¼± ¼¾¼ ³×Æ®¿öÅ©
ŽºÅ© ÇÒ´ç
ŽºÅ© ºÐÇØ
Wireless Sensor Networks
Task Assignments
Task Decomposition
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