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Á¦°³Á¤ÀÏ 2020-12-10 ÃÑ ÆäÀÌÁö 17
ÇÑ±Û Ç¥ÁØ¸í ±¤ Ä«¸Þ¶ó Åë½Å(OCC) ½Ã½ºÅÛÀ» À§ÇÑ °í¼Ó °ü½É¿µ¿ª(RoI) ½Ã±×³Î¸µ ÇÏÀ̺긮µå ÆÄÇü ±¸Á¶
¿µ¹® Ç¥Áظí Hybrid Waveform Architecture for High-speed RoI-signaling for Optical Camera Communication (OCC) System
ÇÑ±Û ³»¿ë¿ä¾à ÀÌ Ç¥ÁØ¿¡¼­´Â ÇÏÀ̺긮µå ÆÄÇüÀ» »ç¿ëÇÏ¿© ±¤ Ä«¸Þ¶ó Åë½Å ½Ã½ºÅÛÀÌ Àú¼Ó ¹× °í¼Ó µ¥ÀÌÅÍ ½ºÆ®¸²À» µ¿½Ã¿¡ Àü¼ÛÇÒ ¼ö ÀÖ´Ù. Àú¼Ó µ¥ÀÌÅÍ ½ºÆ®¸²Àº Â÷·®µé °£ÀÇ Åë½Å ¸µÅ©¸¦ ¼³Á¤ÇÏ´Â µ¥ »ç¿ëµÇÁö¸¸, °í¼Ó µ¥ÀÌÅÍ ½ºÆ®¸²Àº °í¼Ó µ¥ÀÌÅÍ Àü¼Û¿¡ »ç¿ëµÈ´Ù. Àú¼Ó ¹× µ¥ÀÌÅÍ ½ºÆ®¸²À» º¯Á¶Çϱâ À§ÇØ Ä«¸Þ¶ó ¿Â ¿ÀÇÁÅ·(C-OOK, Camera On=Off Keying)°ú °°Àº »õ·Î¿î º¯Á¶ ¹æ½ÄÀÌ Á¦¾ÈµÈ´Ù. °í¼Ó µ¥ÀÌÅÍ ½ºÆ®¸²ÀÇ °æ¿ì Á¦¾ÈµÈ DS8-PSK (dimmable-spatial-8-phase-shift-keying)°ú °°Àº ´ÜÀÏ Ä³¸®¾î º¯Á¶ ¶Ç´Â ´ÙÁß ¹Ý¼ÛÆÄ º¯Á¶°¡ ½ÇÇà °¡´ÉÇÑ ¼Ö·ç¼ÇÀ¸·Î »ç¿ëµÉ ¼ö ÀÖ´Ù.
¿µ¹® ³»¿ë¿ä¾à In this standard, By using a hybrid waveform, OCC systems can simultaneously transmit both low-rate and high-rate data streams. While the low-rate data stream is used for setting up the communication link between vehicles, the high-rate data stream is used for high-speed data transmission. New modulation scheme such as camera-on-off-keying (C-OOK) is proposed to modulate low-rate and data stream. For the high-rate data stream, single-carrier modulation or multiple-carrier modulation, such as the proposed dimmable-spatial-8-phase-shift-keying (DS8-PSK) can serve as viable solutions.
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°ü·ÃÆÄÀÏ    TTAK.KO-10.1238.pdf TTAK.KO-10.1238.pdf
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