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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 :

ÇѱÛÁ¦¸ñ(Korean Title) ºÒ¿ÏÀüÇÑ ½Å·Úµµ ±â¹Ý Á¤º¸ ó¸®À² ÃÖ´ëÈ­ Çù·ÂÅë½Å ±â¹ý
¿µ¹®Á¦¸ñ(English Title) Imperfect Trust Degree based Throughput Maximization for Cooperative Communications
ÀúÀÚ(Author) ·ùÁ¾¿­   È«ÁØÇ¥   Jong Yeol Ryu   Jun-Pyo Hong  
¿ø¹®¼ö·Ïó(Citation) VOL 23 NO. 05 PP. 0589 ~ 0595 (2019. 05)
Çѱ۳»¿ë
(Korean Abstract)
Ãֱ٠ģ¹Ðµµ¿Í ½Å·Úµµ °°Àº »ç¿ëÀÚµéÀÇ »çȸÀû °ü°è¿Í ¸ð¹ÙÀÏ Åë½Å ³×Æ®¿öÅ©¸¦ µ¿½Ã¿¡ °í·ÁÇÑ ¸ð¹ÙÀÏ ¼Ò¼È ³×Æ®¿öÅ©°¡ Â÷¼¼´ë À̵¿Åë½Å ³×Æ®¿öÅ© ¸ðµ¨·Î Å« °ü½ÉÀ» ¹Þ°í ÀÖ´Ù. º» ³í¹®¿¡¼­´Â »çȸÀû °ü°è Áß ½Å·Úµµ Á¤º¸¸¦ ±â¹ÝÀ¸·Î ÇÏ´Â Çù·ÂÅë½Å ³×Æ®¿öÅ©¸¦ °í·ÁÇÑ´Ù. ¿Ïº®ÇÑ ½Å·Úµµ Á¤º¸¸¦ °í·ÁÇß´ø ±âÁ¸ ¿¬±¸µé°ú ´Ù¸£°Ô ¼Û½Å´Ü¿¡¼­ ºÒ¿ÏÀüÇÑ ½Å·Úµµ Á¤º¸ ±â¹Ý Á¤º¸ ó¸®À² ÃÖ´ëÈ­ Çù·Â Åë½Å ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. º» ³í¹®¿¡¼­´Â ¸ÕÀú ºÒ¿ÏÀüÇÑ ½Å·Úµµ Á¤º¸¸¦ È®·üÀûÀÎ ºÐÆ÷·Î ¸ðµ¨¸µÇÏ°í, ½Å·ÚµµÀÇ È®·ü ºÐÆ÷¸¦ ÀÌ¿ëÇÏ¿© ¾Æ¿ôƼÁö È®·üÀ» À¯µµÇÑ´Ù. ¸¶Áö¸·À¸·Î ¼Û½Å´Ü¿¡¼­ ¾Æ¿ôƼÁö È®·ü°ú Á¤º¸ Àü¼ÛÀ²À» µ¿½Ã¿¡ °í·ÁÇÑ Á¤º¸ ó¸®À²À» ÃÖ´ëÈ­ÇÏ´Â Àü¼Û ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. ½Ã¹Ä·¹ÀÌ¼Ç °á°ú¸¦ ÅëÇØ Á¤º¸ ó¸®À² °üÁ¡¿¡¼­ ±âÁ¸ ±â¹ýµé°úÀÇ ºñ±³¸¦ ÅëÇؼ­ Á¦¾ÈÇÑ Çù·ÂÅë½Å ±â¹ýÀÇ ¿ì¼ö¼ºÀ» Áõ¸íÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
Recently, the mobile social networks, which consider both social relationship between users and mobile communication networks, have been received great attention. In this paper, we consider the trust degree of node as the social relationship for the cooperative communication networks. In contrast to the existing works that consider the case of the perfect trust degree information, for the case that transmitter has an imperfect trust degree information, we propose an imperfect trust degree based cooperative communication technique that maximizes a throughput. We first model the imperfect trust degree information as a probability distribution and derive the outage probability using the probability distribution. Then, we propose the transmission scheme that maximizes the throughput, which consider both outage probability and transmission rate. The simulation results show that the proposed cooperative transmission scheme outperforms the conventional scheme in terms of the throughput.
Å°¿öµå(Keyword) Çù·ÂÅë½Å   ºÒ¿ÏÀüÇÑ ½Å·Úµµ   Á¤º¸ ó¸®À² ÃÖÀûÈ­   ½Å·Úµµ ¸ðµ¨¸µ   Cooperative communications   imperfect trust degree   throughput optimization   trust degree modelling  
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