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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) ±³Â÷ ÆíÆĸ¦ ÀÌ¿ëÇÑ MIMO ä³Î¿¡¼­ 1-ºñÆ® Çǵå¹é ±â¹Ý OSTBCÀÇ ¹°¸®°èÃþ º¸¾È ¼º´É ºÐ¼®
¿µ¹®Á¦¸ñ(English Title) Secrecy Performance Analysis of One-Bit Feedback-Based OSTBC in Cross-Polarized MIMO Channels
ÀúÀÚ(Author) ÀÌ»óÁØ   ÀÌÀÎÈ£   Sangjun Lee   In-Ho Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 19 NO. 02 PP. 0301 ~ 0307 (2015. 02)
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(Korean Abstract)
º» ³í¹®¿¡¼­´Â °ø°£Àû »ó°ü°ü°è¸¦ °®´Â MIMO(multiple-input multiple-output) ä³ÎÀ» °¡Á¤ÇÏ¿© µµÃ»ÀÚ°¡ Á¸ÀçÇϴ ȯ°æÀÎ ¿ÍÀ̾îÅÇ(wiretap) ä³ÎÀ» °í·ÁÇÑ´Ù. ÀÌ ¶§, °¢ ³ëµå¿¡¼­ ¾ÈÅ׳ªÀÇ ±³Â÷ ÆíÆĸ¦ °¡Á¤ÇÏ¿© 1-ºñÆ® Çǵå¹éÀ» ÀÌ¿ëÇÏ´Â Á÷±³ ½Ã°ø°£ ºí·Ï ÄÚµå(OSTBC: orthogonal space-time block code)ÀÇ ¹°¸®°èÃþ º¸¾È ¼º´ÉÀ» ºÐ¼®ÇÑ´Ù. º» ³í¹®¿¡¼­´Â 1-ºñÆ® Çǵå¹éÀ» ÀÌ¿ëÇÏ¿© OSTBC(O-OSTBC: one-bit feedback-based OSTBC) Àü¼ÛÀ» À§ÇÑ ¼Û½Å¾ÈÅ׳ª ±×·ìÀ» ¼±ÅÃÇÏ´Â ¹æ¹ýÀ» Á¦½ÃÇÏ°í, ´Ù¾çÇÑ ¼Û½Å¾ÈÅ׳ª ±×·ìÇÎ ¹æ¹ýµé¿¡ ´ëÇÏ¿© º¸¾È ºÒÅë È®·ü(secrecy outage probability)À» ºñ±³ÇÑ´Ù. ƯÈ÷, ³ôÀº °ø°£Àû »ó°ü°ü°è¸¦ °®´Â MIMO ä³Î¿¡¼­ O-OSTBC¿Í ±âÁ¸ÀÇ OSTBC¿ÍÀÇ º¸¾È ºÒÅë È®·üÀÇ ¼º´ÉÀ» ºñ±³ÇÏ¿© È¿À²ÀûÀÎ ¼Û½Å¾ÈÅ׳ª ±×·ìÇÎ ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù.
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(English Abstract)
In this paper, we consider wiretap channels in the presence of an eavesdropper assuming spatially correlated MIMO(multiple-input multiple-output) channels, where we analyze a physical layer security performance of orthogonal space-time block code(OSTBC) using one-bit feedback assuming cross polarized antennas at each node. In this paper, we present a method to select a transmit-antenna group for OSTBC using one-bit feedback(O-OSTBC) and compare secrecy outage probabilities of various transmit-antenna grouping methods. Especially, we propose an efficient transmit-antenna grouping method by comparing secrecy outage probabilities of O-OSTBC and conventional OSTBC in highly correlated MIMO channels.
Å°¿öµå(Keyword) ´ÙÁß ÀÔ·Â ´ÙÁß Ãâ·Â   Á÷±³ ½Ã°ø°£ ºí·Ï Äڵ堠 º¸¾È   ±³Â÷ ÆíÆÄ   °ø°£Àû »ó°ü°ü°è   ºÒÅë È®·ü   MIMO   OSTBC   Secrecy   Cross polarization   Spatial correlation   Outage probability  
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