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Ç¥ÁعøÈ£ TTAK.IR-F.1191-2 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2010-09-16 ÃÑÆäÀÌÁö 18
ÇѱÛÇ¥ÁØ¸í µðÁöÅÐ °íÁ¤ ¾÷¹« ½Ã½ºÅÛÀÇ Á¡À¯ ´ë¿ªÆø °è»ê ¹æ¹ý
¿µ¹®Ç¥Áظí Calculation for Occupied Bandwidth of Digital Fixed Service Systems
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØ¿¡¼­´Â µðÁöÅÐ °íÁ¤_¾÷¹« ½Ã½ºÅÛÀÇ ÇÊ¿ä_´ë¿ªÆø ¶Ç´Â Á¡À¯ ´ë¿ªÆø°ú ºÒ¿ä¹ß»ç(Unwanted emission) ¿µ¿ªÀÇ °ü°è¸¦ µµ½ÄÀûÀ¸·Î ±â¼úÇÏ°í, ÄÚ»çÀÎ(Cosine) ±â¿ï±â(ȤÀº ·Ñ ¿ÀÇÁ)(Roll-off) ÇüÅÂÀÇ ÇÊÅ͸¦ ÀÌ¿ëÇÏ¿© ±¸ÇÑ K °ªÀ¸·Î °£ÆíÈ÷ Á¡À¯ ´ë¿ªÆøÀ» °è»êÇÏ´Â ¹æ¹ýÀ» Á¦½ÃÇÏ°í ÀÖ´Ù. ¶ÇÇÑ, ´ÙÁß ¹Ý¼ÛÆÄ ½Ã½ºÅÛ(Multicarrier system)¿¡ ´ëÇÑ Çؼ®ÀûÀÎ Á¡À¯´ë¿ªÆø °è»ê½Äµµ Æ÷ÇԵǾî ÀÖ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard graphically describes the relation between necessary bandwidth (or occupied bandwidth) and unwanted emission domain and presents a simple calculation of occupied bandwidth by using K values obtained from a cosine roll-off shape filter. Also, the standard includes an analytical calculation expression for the occupied bandwidth of a multi-carrier system.
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°ü·ÃÆÄÀÏ TTAK_[1].IR-F.1191-2.pdf TTAK_[1].IR-F.1191-2.pdf            

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