Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
Ä·ÆÛ½º ȯ°æ¿¡¼ 5.8GHz´ë¿ª ½Ç¿Ü 4¡¿4 MIMO ä³Î ÃøÁ¤ ¹× ºÐ¼® |
¿µ¹®Á¦¸ñ(English Title) |
Outdoor 4¡¿4 MIMO Channel Measurements and Analysis at 5.8GHz in Campus Environments |
ÀúÀÚ(Author) |
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Geon-Woo Kim
Chang-Hoon Lee
Nam-Ryul Jeon
Joon-Sung Kang
Young-Hoon Kim
Han-Byul Lee
Seong-Cheol Kim
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¿ø¹®¼ö·Ïó(Citation) |
VOL 18 NO. 01 PP. VC ~ 0003 (2008. 04) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®Àº 5.8GHz ´ë¿ª¿¡¼ ÀÇ»çÀâÀ½ ½ÃÄö½º¸¦ ÀÌ¿ëÇÏ¿© 4°³ÀÇ ¼Û½Å ¾ÈÅ׳ª¿Í 4°³ÀÇ ¼ö½Å ¾ÈÅ׳ª¸¦ ÅëÇØ ¼¿ï´ëÇб³ °ü¾ÇÄ·ÆÛ½º ³»ÀÇ 4¡¿4 MIMO ä³Î ÃøÁ¤ °á°ú ¹× ºÐ¼®À» Æ÷ÇÔÇÏ°í ÀÖ´Ù. ½ÇÇè Àå¼ÒÀÎ °ü¾ÇÄ·ÆÛ½º´Â LOS(Line of Sight) ȯ°æ°ú NLOS(Non Line of Sight) ȯ°æÀ» ¸ðµÎ °¡Áö°í ÀÖ°í ÁöÇü°íµµÀÇ º¯È°¡ ½ÉÇÏ¿© ¿©·¯ Á¶°ÇÀ» °í·ÁÇÒ ¼ö ÀÖ¾î¼ ½ÇÇèÇϱ⿡ ÀûÇÕÇÑ È¯°æÀÌ´Ù. ¼¿ï´ëÇб³ ³»ÀÇ ¿©·¯ ÁöÁ¡¿¡¼ ¼ö½Å ¾ÈÅ׳ª °¢°¢¿¡ ´ëÇÑ ¼ö½Å Àü·ÂÀ» ÃøÁ¤ÇÏ°í, °¢ ÁöÁ¡¿¡¼ ¼ö½ÅµÈ ÀÇ»çÀâÀ½ ½ÃÄö½º(Pseudo-Noise sequence)¸¦ ¼Û½Å´Ü¿¡¼ Àü¼ÛÇÑ ÀÇ»çÀâÀ½ ½ÃÄö½º¿Í »óÈ£»ó°ü ÇÏ¿© ä³ÎÀÇ Æ¯¼ºÀ» ¾Ë¾Æº¸¾Ò´Ù. ±×¸®°í »óÈ£»ó°üÀ» ¹ÙÅÁÀ¸·Î Àü·Â Áö¿¬ ÇÁ·ÎÆÄÀÏ(Power Delay Profile)°ú tapped delay line ä³Î ¸ðµ¨À» ±¸ÇÏ¿´´Ù. ¶ÇÇÑ ÀÌ ¸ðµ¨À» ÀÌ¿ëÇؼ ±¤´ë¿ª(wideband) ä³Î ¿ë·®°ú Çù´ë¿ª(narrowband) ä³Î ¿ë·®À» ±¸ÇÏ°í ºÐ¼®ÇÏ¿´´Ù.
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¿µ¹®³»¿ë (English Abstract) |
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Å°¿öµå(Keyword) |
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ÆÄÀÏ÷ºÎ |
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