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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 :
2
/ 2
ÀÌÀü°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
ÅëÇÕ°ø°ø¸Á ÁÖÆļö °ø¿ë ȯ°æ¿¡¼ÀÇ LTE-R ¸µÅ©¹öÁþ ºÐ¼®
¿µ¹®Á¦¸ñ(English Title)
LTE-R LinkBudget Analysis for channels interference in the case of sharing the Integrated Public Network Frequency
ÀúÀÚ(Author)
¿øÈ«¼±
±è¼ºÃ¶
Hong-sun Won
Seong-cheol Kim
¿ø¹®¼ö·Ïó(Citation)
VOL 21 NO. 10 PP. 1833 ~ 1839 (2017. 10)
Çѱ۳»¿ë
(Korean Abstract)
2014³â 12¿ù ¹Ì·¡ºÎ(Çö °úÇбâ¼úÁ¤º¸Åë½ÅºÎ)ÀÇ ÅëÇÕ°ø°ø¸ÁÁÖÆļö ÇÒ´çÀ» ½ÃÀÛÀ¸·Î öµµÅëÇÕ¹«¼±¸Á(LTE-R)ÀÇ ¼º´É°³¼±À» ÃßÁøÇÏ°í ÀÖ´Ù. LTE-RÀº ±âÁ¸ ±â¼ú¹æ½Ä ´ëºñ ±â¼úÀû ¼º¼÷µµ ¹× ¼º´ÉÃø¸é, Ç¥ÁØÈ ±â¹Ý¿¡¼ÀÇ ÁøÈÀÇ ¿ëÀ̼º µî ¸¹Àº ÀåÁ¡ÀÌ ÀÖÀ¸³ª, ±¹³» ÀüÆÄÁ¤Ã¥À¸·Î ÅëÇÕ°ø°ø¸Á »ç¿ë±â°ü(ÇàÁ¤¾ÈÀüºÎ PS-LTE ¹× ÇؼöºÎÀÇ LTE-M)°£ ÁÖÆļö °£¼·°ú 2017³â »ó¿ëȸ¦ ½ÃÀÛÇÑ UHD TV¿ÍÀÇ °£¼· µî ÇâÈÄ Àü±¹Ã¶µµ¸ÁÀÇ ¾ÈÁ¤Àû ¿Â÷¹«¼±¼ºñ½º ¿î¿ëȯ°æ ¸¶·ÃÀ» À§Çؼ´Â ÇØ°áÇÒ °úÁ¦ ¶ÇÇÑ ÀÜÀçµÇ¾î ÀÖ´Ù. º» ³í¹®¿¡¼´Â ¿øÁÖ~°¸ª±¸°£ öµµÅëÇÕ¹«¼±¸Á(LTE-R)À» ÃßÁøÇÔ¿¡ ÀÖ¾î ½ÃÇè¼± ±¸ÃàÀ» ÅëÇØ µµÃâµÈ °£¼·¿äÀο¡ µû¸¥ LTE-R ¼º´Éº¯È ¹× °£¼· ÇؼҸ¦ À§ÇÑ RAN-Sharing ±¸Çö °á°ú, ±×¸®°í µµÃâµÈ ½ÃÇè°á°ú¸¦ Åä´ë·Î ¼³°è´Ü°è¿¡¼ °èȹµÈ ¸µÅ©¹öÁþ º¯°æ»çÇ× µîÀ» ºÐ¼®ÇÏ¿© ÅëÇÕ°ø°ø¸Á ÁÖÆļö °ø¿ëȯ°æ¿¡¼ÀÇ ÇâÈÄ LTE-R ±âÁö±¹ ¼³°è Ãß°¡µÉ ±âÁØ ¹æ¾ÈÀ» Á¦½ÃÇÏ°íÀÚ ÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
Korea Railway is enhancing the railway wireless communication system from VHF and TRS which have been used for 100 years to LTE-R starting with Ministry of Science and ICT¡¯s allocation of Integrated Public Network Frequency on December 2014. LTE-R has advantages on technology performance, also on ease of evolution based on standardization compared to existing technologies. However there are few problems that need to be solved to provide stable railway wireless services in the future. Due to national spectrum policy, LTE-R has frequency interference with Integrated Public Networks (PS-LTE , LTE-M ) and UHD-TV which was commercialized in 2017. This paper introduces performance changes caused by interferences which were founded from the test bed in Wonju~Gangneung LTE-R project and the result of RAN-Sharing. In addition, this paper suggests the standard for LTE-R cell planning in the case of sharing the Integrated Public Network Frequency by analyzing the changes of designed link-budget factor based on the test result.
Å°¿öµå(Keyword)
LTE-R
¸µÅ©¹öÁþ
ÁÖÆļö°£¼·
¼¿Ç÷¡´×
LTE-R
LinkBudget
Frequency Interference
Cell Planning
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