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Ç¥ÁعøÈ£ TTAK.KO-10.1001 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2017-12-13 ÃÑÆäÀÌÁö 16
ÇѱÛÇ¥ÁØ¸í ¹«¼±½Äº°¿ë ÇÏÀ̺긮µå ±¤-RF ¸Þ½ÃÁö Àü´Þ ±â¼ú ¹°¸®°èÃþ
¿µ¹®Ç¥Áظí Physical Layer of Wireless Identification Message Transmission Using Hybrid Optical-RF
Çѱ۳»¿ë¿ä¾à ÇÏÀ̺긮µå ±¤ RF ¸Þ½ÃÁö Àü´Þ ½Ã½ºÅÛ¿¡¼­ È£Ãâ±â´Â µ¥ÀÌÅÍ ºÎȣȭ ÈÄ ASK(Amplitude Shift Keying) º¯Á¶¸¦ ÀÌ¿ëÇÏ¿© ÇϳªÀÇ Å±׿¡ ±¤(ÆÄÀå: 0.01 ¥ìm ~ 300 ¥ìm)À¸·Î Á¤º¸¸¦ Àü¼ÛÇÑ´Ù. ÀÌ ¶§, È£Ãâ±â´Â º¯Á¶µÇÁö ¾ÊÀº RF ¹Ý¼ÛÆÄ(ÁÖÆļö: 860 MHz ~ 960 Mhz)¸¦ ¿¬¼ÓÀûÀ¸·Î ű׿¡°Ô Àü¼ÛÇÔÀ¸·Î½á ¿¡³ÊÁö¸¦ °ø±ÞÇÏ°í, ű״ RF ¹Ý¼ÛÆĸ¦ ÀÌ¿ëÇؼ­ È£Ãâ±â·Î ¹é½ºÄ³Å͸µ(Backscattering) ÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à In Hybrid Optical-RF message transmission system, the reader transmits information to tags by modulating an optical signal(wavelength: 0.01 ¥ìm ~ 300 ¥ìm) using ASK(Amplitude Shift Keying) after data encoding. The reader receives information from tags by transmitting an unmodulated RF carrier(frequency: 860MHz ~ 960MHz) to the Tag. The tag responds by modulating the reflection coefficient of its antenna, thereby backscattering an information signal to the reader.
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