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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2016³â Ãá°èÇмú´ëȸ

2016³â Ãá°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ¹«¼± ³×Æ®¿öÅ©¿¡¼­ ÃÖ¼ÒÀü·Â ºê·Îµåij½ºÆ®¸¦ À§ÇÑ Å½¿å ¾Ë°í¸®Áò
¿µ¹®Á¦¸ñ(English Title) A Greedy Algorithm for Minimum Power Broadcast in Wireless Networks
ÀúÀÚ(Author) À̵¿È£   Àå±æ¿õ   Dong-ho Lee   Kil-woong Jang  
¿ø¹®¼ö·Ïó(Citation) VOL 20 NO. 01 PP. 0641 ~ 0644 (2016. 05)
Çѱ۳»¿ë
(Korean Abstract)
À¯¼± ³×Æ®¿öÅ©¿Í ´Þ¸® ¹«¼± ³×Æ®¿öÅ© ȯ°æ¿¡¼­ÀÇ ºê·Îµåij½ºÆÃÀº ´ÜÀÏ Àü¼ÛÀ¸·Î ´Ù¼öÀÇ ³ëµåµé¿¡°Ô µ¥ÀÌÅ͸¦ ÇÑ ¹ø¿¡ ¼Û½ÅÇÒ ¼ö ÀÖ´Ù. Áï, ¹«¼± ³×Æ®¿öÅ©¿¡¼­ ƯÁ¤ ³ëµåÀÇ Àü¹æÇâÀû ºê·Îµåij½ºÆÃÀº ÀÎÁ¢ÇÑ ¸ðµç ³ëµåµé¿¡°Ô µ¿½Ã¿¡ µµ´ÞÇÑ´Ù. º» ³í¹®¿¡¼­´Â ¹«¼± ³×Æ®¿öÅ©¿¡¼­ ºê·Îµåij½ºÆà ½Ã Àüü ¼Û½Å Àü·ÂÀ» ÃÖ¼ÒÈ­ÇÏ´Â ÃÖ¼Ò Àü·Â ºê·Îµåij½ºÆà ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇÑ Å½¿å ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ¾Ë°í¸®ÁòÀº °¢ ³ëµå°£ÀÇ °Å¸®·Î ±¸¼ºµÈ °Å¸® Çà·Ä°ú ÀÎÁ¢ ³ëµåÀÇ ¼ö¸¦ °®´Â ÀÎÁ¢ Çà·ÄÀ» ÀÌ¿ëÇÑ´Ù. µ¥ÀÌÅ͸¦ ¼ö½ÅÇÑ ³ëµå Áß ÀÎÁ¢ ³ëµå¸¦ °¡Àå ¸¹ÀÌ °¡Áö°í ÀÖ´Â ³ëµå°¡ ¿ì¼±ÀûÀ¸·Î µ¥ÀÌÅ͸¦ Àü¼ÛÇÑ´Ù. Á¦¾ÈµÈ ¾Ë°í¸®ÁòÀÇ ¼º´ÉÆò°¡´Â ÄÄÇ»ÅÍ ½Ã¹Ä·¹À̼ÇÀ» ÀÌ¿ëÇÏ¿© ³×Æ®¿öÅ©»óÀÇ ¸ðµç ³ëµå·Î ºê·Îµåij½ºÆà ½Ã ¼Ò¿äµÇ´Â ¼Û½Å Àü·Â °üÁ¡¿¡¼­ ·£´ý ¹æ½Ä°ú ºñ±³Çϸç, ½ÇÇè °á°ú¿¡¼­ Á¦¾ÈµÈ ¾Ë°í¸®ÁòÀº ·£´ý ¹æ½Äº¸´Ù ¼º´ÉÀÌ ¿ì¼öÇÔÀ» º¸ÀδÙ.
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(English Abstract)
Unlike wired networks, broadcasting in wireless networks can transmit data at once to several nodes with a single transmission. For omnidirectional broadcast to a node in wireless networks, all adjacent nodes receive the data at the same time. In this paper, we propose a greedy algorithm to solve the minimum power broadcasting problem of minimizing the total transmit power on broadcasting in wireless networks. We apply two matrices to the proposed algorithm: one is a distance matrix that represents the distance between each node, the other is an adjacency matrix having the number of adjacency nodes. Among the nodes that receive the data, a node that has the greatest number of the adjacent node transmits data to neighbor preferential. We compare the performance of the proposed algorithm with random method through computer simulation in terms of transmitting power of nodes. Experiment results show that the proposed algorithm outperforms better than the random method.
Å°¿öµå(Keyword) Greedy algorithm   wireless networks   power   broadcast  
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