ÇѱÛÁ¦¸ñ(Korean Title) |
µ¿±â½Ä µðÁöÅÐ ÀÌÁßÈ ½Ã½ºÅÛÀÇ ÃÖÀûȸ¦ À§ÇÑ ±×·ìÇÎ ±â¹ý |
¿µ¹®Á¦¸ñ(English Title) |
A Grouping Technique for Optimization of Synchronous Digital Duplexing Systems |
ÀúÀÚ(Author) |
°í¿äÇÑ
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Yo Han Ko
Chang Hwan Park
Kyung Won Park
Won Gi Jeon
Jong Ho Paik
Seok Pil Lee
Yong Soo Cho
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¿ø¹®¼ö·Ïó(Citation) |
VOL 19 NO. 01 PP. IVC5 ~ 0005 (2009. 04) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®¿¡¼´Â OFDMA(Orthogonal Frequency Division Multiple Access) ±â¹Ý µ¿±â½Ä µðÁöÅÐ ÀÌÁßÈ(Synchronous Digital Duplexing) ¹æ½Ä¿¡ ÀûÇÕÇÑ ±×·ìÇÎ ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. SDD ¹æ½ÄÀº »óÈ£ ·¹ÀΡ(mutual ranging) °úÁ¤À» ÅëÇØ È¹µæÇÑ »óÈ£ ½Ã°£ Á¤º¸¿Í »óÈ£ ä³Î Á¤º¸¸¦ ÀÌ¿ëÇÏ¿© »ó∙ÇÏÇ⸵ũ ½ÅÈ£¸¦ µ¿½Ã¿¡ Àü¼Û °¡´ÉÇϱ⠶§¹®¿¡ ÀÚ¿ø ÇÒ´çÀÇ À¯¿¬¼º°ú µ¥ÀÌÅÍ Àü¼Û È¿À²ÀÌ Áõ°¡ÇÏ´Â ÀåÁ¡À» °®´Â´Ù. ±×·¯³ª AP(access point)¿Í °¢ SS(subscriber station), SS¿Í ´Ù¸¥ SS »çÀÌÀÇ »óÈ£ ½Ã°£ Áö¿¬°ú »óÈ£ ä³Î ±æÀÌÀÇ ÇÕÀÌ CP(cyclic prefix) ±æÀ̺¸´Ù ±ä °æ¿ì¿¡´Â OFDMA ½Éº¼ÀÇ Á÷±³¼ºÀ» À¯ÁöÇϱâ À§ÇØ Ãß°¡ÀÇ CS(cyclic suffix)¸¦ »ðÀÔÇؾßÇÏ´Â ´ÜÁ¡ÀÌ ÀÖ´Ù. º» ³í¹®¿¡¼´Â SDD ¹æ½Ä¿¡¼ Ãß°¡ÀÇ CS°¡ ÇÊ¿äÇÑ °æ¿ì¿¡ CS ±æÀ̸¦ ÃÖ¼ÒÈÇϱâ À§ÇÏ¿© ¼¿ ³»¿¡ Á¸ÀçÇÏ´Â AP ȤÀº SS¸¦ ±×·ìÀ¸·Î ±¸ºÐÇÏ¿© ¼Û∙¼ö½Å ½Ã°£À» Á¦¾îÇÏ´Â ±×·ìÇÎ ±â¹ýÀ» Á¦¾ÈÇϸç, ¸ðÀǽÇÇèÀ» ÅëÇØ ¼º´ÉÀ» ºñ±³ ºÐ¼®ÇÑ´Ù. |
¿µ¹®³»¿ë (English Abstract) |
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Å°¿öµå(Keyword) |
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