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Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)
Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)
Current Result Document :
3
/ 3
ÀÌÀü°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
ÀÇ»çÀ§¼º ½Ã°¢µ¿±â ±â¹ý ¼³°è
¿µ¹®Á¦¸ñ(English Title)
Design of Clock Synchronization Scheme for Pseudolite
ÀúÀÚ(Author)
ÀÌÁÖÇö
Ȳ¼Ò¿µ
À¯µ¿Èñ
ÀÌ»óÁ¤
Ju hyun Lee
Soyoung Hwang
Dong-Hui Yu
Sang jeong Lee
¿ø¹®¼ö·Ïó(Citation)
VOL 17 NO. 06 PP. 1312 ~ 1317 (2013. 06)
Çѱ۳»¿ë
(Korean Abstract)
ÀÇ»çÀ§¼ºÀº GPSÀÇ º¸Á¶ÀûÀÎ ¿ªÇÒÀ» ÇÏ´Â À§¼ºÀ¸·Î ¿ìÁÖ »ó°øÀÇ GPS À§¼º°ú´Â ´Þ¸® Áö»óÀÇ °íÁ¤µÈ Àå¼Ò¿¡ ¼³Ä¡µÇ¾î GPS ½ÅÈ£ÀÇ ¼ö½ÅÀÌ ÁÁÁö ¾ÊÀº Áö¿ªÀ̳ª ½Ç³», ƯÁ¤ Áö¿ª¿¡¼ ÀΰøÀ§¼ºÀ» ´ëüÇÏ´Â Ç×¹ý ½Ã½ºÅÛÀÌ´Ù. ÀÇ»çÀ§¼ºÀ» ÀÌ¿ëÇØ ÃøÀ§ ±â´ÉÀ» ¼öÇàÇϱâ À§Çؼ´Â ÀÇ»çÀ§¼º°ú GPS À§¼º°£ÀÇ ½Ã°¢µ¿±â°¡ ¿ä±¸µÈ´Ù. ÀϹÝÀûÀ¸·Î 1usecÀÇ ½Ã°¢µ¿±â ¿ÀÂ÷°¡ ¹ß»ýÇÑ °æ¿ì 300mÀÇ ÀÇ»ç°Å¸® ¿ÀÂ÷°¡ ¹ß»ýÇÏ¸ç ¹ÌÅÍ´ÜÀ§ÀÇ ÃøÀ§¸¦ À§Çؼ´Â ³ª³ë¼¼Å©±ÞÀÇ ½Ã°¢µ¿±â°¡ ¿ä±¸µÈ´Ù. ÀÌ·¯ÇÑ µ¿±â ¼º´ÉÀº ÃøÀ§ ¼º´É¿¡ ¸Å¿ì Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ°Ô µÈ´Ù. º» ³í¹®¿¡¼´Â ÀϹÝÀûÀÎ ½Ã°¢µ¿±â ¹æ¾È ¹× µ¿±â ¿ÀÂ÷¿ä¼Ò¿¡ ´ëÇØ ¾ð±ÞÇÏ°í ÀÇ»çÀ§¼ºÀÇ Å¬·°À» GPS À§¼º Ŭ·°¿¡ µ¿±â ½ÃÅ°±â À§ÇÑ ÀÇ»çÀ§¼º ½ºÅ×ÀÌ¼Ç ±¸Ãà ±â¹ý, Çѱ¹Ç¥ÁØ°úÇבּ¸¿øÀÇ ½Ã°¢Á¤º¸¿ø È°¿ë ±â¹ý, PRN ÄÚµå À§»óÂ÷ È°¿ë ±â¹ýÀÇ 3°¡Áö ¹æ¾È Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ ¹æ¾È¿¡ µû¸¥ µ¿±â ¼º´É ºÐ¼®À» À§ÇØ ½Ã¹Ä·¹ÀÌ¼Ç Ç÷§ÆûÀ» Á¦¾ÈÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
Pseudolite is a contraction of the term ¡°pseudo-satellite,¡± used to refer to something that is not a satellite which performs a function commonly in the domain of satellites. Pseudolite are most often small transceivers that are used to create a local, ground-based GPS alternative. Pseudo-range measurement of pseudolite has around 300m range error, when time synchronization error of 1¥ìsec occurs. Therefore the time synchronization methods play an important part in navigation augmentation using pseudolite. This paper proposes three clock synchronization methods that are installation method of pseudolite station, method using KRISS-UTC and method using PRN code phase difference for pseudolite. The simulation platform structure is presented for evaluating proposed clock synchronization performance.
Å°¿öµå(Keyword)
½Ã°¢ µ¿±â
GPS
ÀÇ»çÀ§¼º
Time Synchronization
GPS
Pseudolite
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