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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Current Result Document : 24 / 102 ÀÌÀü°Ç ÀÌÀü°Ç   ´ÙÀ½°Ç ´ÙÀ½°Ç

ÇѱÛÁ¦¸ñ(Korean Title) DTN¿¡¼­ ¿¹Ãø ±â¹ÝÇÑ ÀûÀÀÀû ³ëµå ¼Ó¼º ºÐ¼®
¿µ¹®Á¦¸ñ(English Title) Adaptive analysis of characteristic nodes using prediction method in DTN
ÀúÀÚ(Author) µµÀ±Çü   ÀüÀϱԠ  ¿À¿µÁØ   ÀÌ°­È¯   Yoon-hyung Dho   Il-kyu Jeon   Young-jun Oh   Kang-whan Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 18 NO. 11 PP. 2771 ~ 2778 (2014. 11)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®Àº Delay Tolerant Network(DTN)¿¡¼­ ¿¹Ãø±â¹Ý ¶ó¿ìÆÃÀ» »ç¿ëÇÒ ¶§ È¿À²ÀûÀÎ Áß°è ³ëµå¸¦ ¼±ÅÃÇÒ ¼ö ÀÖµµ·Ï ³ëµå ¼Ó¼ºÀ» ºÐ¼®ÇÏ´Â ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. ±âÁ¸ ¿¹Ãø±â¹Ý DTN ¶ó¿ìÆà ¾Ë°í¸®ÁòÀº ³ëµåÀÇ Á¤º¸¸¦ ºÐ¼®ÇÏ¿© ¸ñÀû ³ëµå·Î Á¢±ÙÇÏ´Â ³ëµå¸¦ ¿¹ÃøÇÏ¿© Áß°è ³ëµå·Î ¼±ÅÃÇϴµ¥, DTNÀÇ Æ¯¼º»ó ÀüüÀûÀÎ ³×Æ®¿öÅ©ÀÇ »óȲÀ» ÆľÇÇϱâ Èûµé¾î ºÒ±ÔÄ¢ÇÏ°Ô º¯È­ÇÏ´Â ³×Æ®¿öÅ©¿¡¼­´Â Áö¿¬½Ã°£ÀÌ Áõ°¡ÇÏ°í Àü¼Û·üÀÌ °¨¼ÒÇÏ´Â ´ÜÁ¡ÀÌ ÀÖ¾ú´Ù. À̸¦ ÇØ°áÇϱâ À§ÇØ Á¦¾ÈÇÏ´Â ¾Ë°í¸®ÁòÀº ³ëµåÀÇ ¼Óµµ, ¹æÇâ, À§Ä¡ µîÀÇ ¼Ó¼º Á¤º¸¿Í ³×Æ®¿öÅ©ÀÇ È¯°æ¿¡ ÀûÀÀÀûÀ¸·Î º¯È­ÇÏ´Â °¡ÁßÄ¡¸¦ »ç¿ëÇØ ºÒºÐ¸íÇÑ ³×Æ®¿öÅ© ȯ°æ¿¡¼­ ´õ È¿À²ÀûÀÎ ³ëµå¸¦ ¼±ÅÃÇÒ ¼ö ÀÖµµ·Ï ÇÑ´Ù. º» ³í¹®Àº ¸ðÀǽÇÇèÀ» ÅëÇØ Á¦¾ÈÇÏ´Â ¾Ë°í¸®ÁòÀ» »ç¿ëÇÑ ¶ó¿ìÆà ÇÁ·ÎÅäÄÝÀÌ ±âÁ¸ ¶ó¿ìÆà ÇÁ·ÎÅäÄÝ¿¡ ºñÇØ Àü¼Û·ü, Áö¿¬½Ã°£, ¿À¹öÇìµå Ãø¸é¿¡¼­ Çâ»óµÊÀ» °ËÁõÇÑ´Ù.
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(English Abstract)
In this paper, we propose an algorithm that select efficient relay nodes using information of network environment and nodes. The proposed algorithm can be used changeable weight factors as following network environment in node density. The routing protocols adopting store-carry-forward method are used for solving network problems occurred by unstable end-to-end connection in Delay Tolerant Networks(DTNs). Exiting DTN routing algorithms have problems that large latency and overhead because of deficiency of network informations. The proposed algorithm could be provide a solution this problems using changeable weight factor and prediction of network environment. Thus, selected relay nodes work efficiently in unstable and stressed network environment. Simulation results show that enhancement performance as overhead, delivery ratio, average latency compared to exiting DTN routing algorithm.
Å°¿öµå(Keyword) Áö¿¬ ³»¼º¸Á   ¾ÖµåȤ ³×Æ®¿öÅ©   ¿¹Ãø ±â¹Ý ¶ó¿ìÆà  DTN ¶ó¿ìÆà  Delay Tolerant Network   Ad-hoc Network   Prediction-based routing   DTN routing  
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