ÇѱÛÁ¦¸ñ(Korean Title) |
UHF RFID ¹× ´ë¿ª¿ë ÁØ-¾ß±â ¾ÈÅ׳ª |
¿µ¹®Á¦¸ñ(English Title) |
Quasi-Yagi Antenna for UHF RFID and GNSS Bands |
ÀúÀÚ(Author) |
ÀÌÁ¾ÀÍ
±è°Ç±Õ
¿©ÁØÈ£
Jong-Ig Lee
Gun-Kyun Kim
Junho Yeo
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¿ø¹®¼ö·Ïó(Citation) |
VOL 22 NO. 01 PP. 0056 ~ 0056 (2018. 05) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®¿¡¼´Â UHF RFID(902-928 MHz)¿Í GNSS(1,164-1,605 MHz)¸¦ Æ÷ÇÔÇÏ´Â ±¤´ë¿ª¿ë ÁØ-¾ß±â(quasi-Yagi) ¾ÈÅ׳ª¸¦ ¼³°è ¹æ¹ý¿¡ ´ëÇØ ¿¬±¸ÇÏ¿´´Ù. Á¦¾ÈµÈ ¾ÈÅ׳ª´Â 3¼ÒÀÚ(´ÙÀÌÆú, ¹Ý»ç±â, µµÆıâ)·Î ±¸¼ºµÇ°í, ÄÚÇ÷¡³Ê µµÆÄ°ü(coplanar waveguide)À¸·Î ±ÞÀüµÇ¸ç, ¹ë·±À» ³»ÀåÇÏ°í ´ÙÀÌÆú°ú ¹Ý»ç±âÀÇ ³¡ºÎºÐÀ» Á¢Àº ¼ÒÇü ¾ÈÅ׳ªÀÌ´Ù. µµÆı⸦ ´ÙÀÌÆú¿¡ ±ÙÁ¢ÇÑ ¿µ¿ª¿¡ µÎ°í Ĩ Ä¿ÆнÃÅ͸¦ ¾ÈÅ׳ª¿¡ ÀåÇÏÇÏ¿© ±¤´ë¿ª ÀÓÇÇ´ø½º Á¤ÇÕƯ¼ºÀ» ¾ò¾ú´Ù. ½Ã¹Ä·¹À̼ÇÀ» ÅëÇØ ¼³°èµÈ ±¤´ë¿ª ¾ÈÅ׳ª¸¦ 0.8mmµÎ²²ÀÇ FR4 ±â°ü¿¡ Á¦ÀÛÇÏ°í, ¾ÈÅ׳ª Ư¼ºÀ» ½ÇÇèÇÑ °á°úµéÀÌ ½Ã¹Ä·¹À̼ǰú Àß ÀÏÄ¡ÇÔÀ» È®ÀÎÇÏ¿´´Ù.
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¿µ¹®³»¿ë (English Abstract) |
In this paper, we studied a design method for a quasi-Yagi antenna operating over a broad bandwidth covering the UHF RFID(902-928 MHz) and GNSS(1,164-1.605 MHz). The proposed antenna is composed of three elements(dipole, reflector, and director) and fed by a coplanar waveguide. To reduce its size, a balun is integrated inside the antenna, and the ends of both the dipole and reflector are bent. Broadband impedance matching was obtained by placing the director near to the dipole and loading a chip capacitor inside the antenna. The antenna, designed through simulations, was fabricated on an FR4 substrate with 0.8 mm thickness. The experiment results for the antenna characteristics agree very well with the simulation.
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Å°¿öµå(Keyword) |
quasi-Yagi antenna
RFID antenna
GNSS antenna
CPW-fed antenna
broadband antennae
planar substrate
band stop filter
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ÆÄÀÏ÷ºÎ |
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