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Ç¥ÁعøÈ£ TTAK.KO-10.1000-Part3 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥ÁØ¸í ±¤Ä«¸Þ¶ó¼ö½Å±â¿ë ´ÙÁß ÁÖÆļöÆíÀ̹æ½Ä(M-FSK) º¯Á¶¸¦ À§ÇÑ ¹°¸®°èÃþ ÇÁ·¹ÀÓ Æ÷¸Ë
¿µ¹®Ç¥Áظí Physical Layer Frame Format for Optical Camera Receiver based M-ary Frequency Shift Keying(M-FSK) Modulation
Çѱ۳»¿ë¿ä¾à M-FSK´Â ¼ö½Å Ä«¸Þ¶óÀÇ ÇÁ·¹ÀÓ Áö¼Ó ½Ã°£°ú µ¿ÀÏÇÑ ½Éº¼ Áö¼Ó ½Ã°£À» »ç¿ëÇÑ´Ù. ´ëºÎºÐÀÇ Ä«¸Þ¶ó´Â ºñµð¿À¸¦ ĸóÇÒ ¶§ ÃÊ´ç 30 ÇÁ·¹ÀÓÀÇ ÇÁ·¹ÀÓ ¼Óµµ¸¦ »ç¿ëÇϹǷΠ±âº» ½Éº¼ Áö¼Ó ½Ã°£Àº 1/30 ÃÊ·Î ¼³Á¤µÈ´Ù. ½Éº¼Àº PPDUÀÇ ¼±ÅÃÀû ÇÊµå ¹× PIB ¼Ó¼ºÀ» »ç¿ëÇÏ¿© ±¸¼ºÇÒ ¼ö ÀÖ´Ù.
¿µ¹®³»¿ë¿ä¾à M-FSK uses a symbol duration that equals to the receiving camera¡¯s frame duration. Since most of the cameras use a frame rate of 30 frame per second when capturing video, the default symbol duration is set to be 1/30 second. Note that the symbol can be configured by the use of optional field and PIB attributes in PPDU.
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