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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ ³í¹®Áö A : ½Ã½ºÅÛ ¹× ÀÌ·Ð

Á¤º¸°úÇÐȸ ³í¹®Áö A : ½Ã½ºÅÛ ¹× ÀÌ·Ð

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ¸ð¹ÙÀÏ ¾ÖµåȤ ³×Æ®¿öÅ©¿¡¼­ ³ëµåÀÇ À̱âÀû ¼ºÇâ ¹× µ¥ÀÌÅÍ °»½ÅÀ» °í·ÁÇÑ µ¥ÀÌÅÍ º¹Á¦º» ÇÒ´ç ±â¹ý
¿µ¹®Á¦¸ñ(English Title) Selfish Replica Allocation in a Mobile Ad Hoc Networks with Data Update
ÀúÀÚ(Author) ·ùº´°É   Àå¿øÁØ   À̽ÂÁØ   ÀÌ»ó±Ù   Byung-Gul Ryu   Won-Jun Jang   Sun-jun Lee   SangKeun Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 41 NO. 02 PP. 0081 ~ 0086 (2014. 04)
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(Korean Abstract)
¸ð¹ÙÀÏ ¾ÖµåȤ ³×Æ®¿öÅ©¿¡¼­´Â ¸ð¹ÙÀÏ ³ëµåÀÇ À̵¿¼ºÀ¸·Î ÀÎÇØ ³×Æ®¿öÅ© ´ÜÀýÀÌ ºó¹øÇÏ°Ô ¹ß»ýÇϱ⠶§¹®¿¡ µ¥ÀÌÅÍ Á¢±Ù¼ºÀÌ ÀúÇϵȴÙ. ¶ÇÇÑ, ¸ð¹ÙÀÏ ¾ÖµåȤ ³×Æ®¿öÅ©¿¡¼­ ´ëºÎºÐÀÇ ³ëµåµéÀº ÀÚ¿øÀÌ Á¦ÇѵǾî Àֱ⠶§¹®¿¡ À̱âÀû ¼ºÇâÀ» °¡Áø´Ù. ÃÖ±Ù¿¡ ÀÌ·¯ÇÑ ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇÑ ¸¹Àº ±â¹ýµéÀÌ Á¦¾ÈµÆ´Ù. ÇÏÁö¸¸, ÀÌ ±â¹ýµéÀº µ¥ÀÌÅÍ°¡ »õ·Î¿î µ¥ÀÌÅÍ·Î °»½ÅµÉ ¼ö ÀÖ´Ù´Â Á¡À» °í·ÁÇÏÁö ¾Ê°í µ¥ÀÌÅÍ º¹Á¦º»À» ÇÒ´çÇÑ´Ù. µû¶ó¼­, µ¥ÀÌÅÍ°¡ ºó¹øÇÏ°Ô °»½ÅµÇ´Â ¸ð¹ÙÀÏ ¾ÖµåȤ ³×Æ®¿öÅ©¿¡¼­´Â µ¥ÀÌÅÍ Á¢±Ù¼ºÀÇ °¨¼Ò¸¦ °¡Á®¿Â´Ù. ÀÌ ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇØ º» ³í¹®¿¡¼­´Â À̱âÀû ³ëµå°¡ Á¸ÀçÇÏ´Â ¸ð¹ÙÀÏ ¾ÖµåȤ ³×Æ®¿öÅ©¿¡¼­ µ¥ÀÌÅÍ °»½ÅÀ» °í·ÁÇÑ È¿À²ÀûÀÎ µ¥ÀÌÅÍ º¹Á¦º» ÇÒ´ç ±â¹ýÀ» Á¦¾ÈÇß´Ù. º» ³í¹®ÀÇ ½ÇÇè °á°ú¸¦ ÅëÇØ Á¦¾ÈÇÏ´Â ±â¹ýÀº °¡Àå ÃÖ±Ù¿¡ Á¦¾ÈµÈ ±â¹ýº¸´Ù ¾à 15%ÀÇ µ¥ÀÌÅÍ Á¢±Ù¼º Çâ»ó ¹× ¾à 12% Æò±Õ ÁúÀÇ Áö¿¬Çâ»óÀ» º¸ÀδÙ.
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(English Abstract)
A mobile ad-hoc network (MANET) is attracting considerable attention with the advance in wireless technologies and mobile devices. In a MANET, the mobility of the nodes results in frequent network partitioning, which can lead to problems such as low data accessibility, and long query delay. Also, nodes have been a selfishness in a MANET, since most mobile nodes have limited memory space for replicas of data items. To cope with the problems of network partitioning and selfishness nodes in a MANET, a considerable amount of research has been conducted on replica allocation. However, these techniques can not consider data update in a MANET. In particular, we develop selfish replica allocation in a MANET with data update. The conducted simulations demonstrate that the proposed strategy outperforms existing replica allocation techniques in terms of data accessibility and query delay.
Å°¿öµå(Keyword) ¸ð¹ÙÀÏ ¾ÖµåȤ ³×Æ®¿öÅ©   À̱âÀû º¹Á¦º» ÇÒ´ç   À̱âÀû ³ëµå ÃøÁ¤   µ¥ÀÌÅÍ °»½Å   mobile ad-hoc network   selfish replica allocation   degree of selfishness   data update  
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