Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
Åë½ÅÇؾç±â»óÀ§¼ºÀÇ Åë½Å ¼ºñ½º ¸µÅ© ¼³°è |
¿µ¹®Á¦¸ñ(English Title) |
Service Link Design for COMS Communication Channel |
ÀúÀÚ(Author) |
¿À´ëÈ£
±è¿µ¿Ï
°í³²¿µ
Dae-ho Oh
Young-wan Kim
Nam-young Ko
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¿ø¹®¼ö·Ïó(Citation) |
VOL 10 NO. 01 PP. 0184 ~ 0190 (2006. 01) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®¿¡¼´Â ´ÙÁߺö ½ºÀ§Äª ±â´ÉÀ» °®´Â Ka ´ë¿ª Åë½ÅÇؾç±â»óÀ§¼ºÀÇ Åë½Å Áß°è±â¸¦ ÀÌ¿ëÇÑ °í¼Ó Åë½Å ¼ºñ½º¸¦ À§ÇÑ ¸µÅ© ¼³°è¿Í ¾çÁúÀÇ Àü¼Û ¼ºñ½º¸¦ Á¦°øÇÒ ¼ö ÀÖ´Â ÃÖÀûÀÇ Àü¼Û ä³ÎÀ» Á¦¾ÈÇÑ´Ù. ´Ù¾çÇÑ Àü¼Û ¼ºñ½º¸¦ Á¦°øÇÏ´Â Ka ´ë¿ª Åë½Å Áß°è±âÀÇ ¿È ¿äÀÎÀ¸·Î ÀÛ¿ëÇÏ´Â ±ºÁö¿¬ ¹× ºñ¼±Çü ±×¸®°í À̵æ Æòźµµ¿¡ ´ëÇÑ Ã¤³Î ¸ðµ¨¸µ°ú ¼º´É ¿È¸¦ Çؼ®ÇÑ´Ù. Àü¼Û µ¥ÀÌÅÍ°¡ Áõ°¡ÇÔ¿¡ µû¶ó ±ºÁö¿¬°ú ºñ¼±Çü¿¡ ÀÇÇÑ ¿µÇâÀº Áõ°¡Çϸç, ±ºÁö¿¬ÀÇ ¼±Çü ¼ººÐ°ú ºñ¼±ÇüÀÇ AM-AM ¼ººÐÀÌ ½Ã½ºÅÛ ¼º´É ¿È¿¡ Áö¹èÀûÀ¸·Î ÀÛ¿ëÇÏ´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. °í¼Ó µ¥ÀÌÅÍ¿¡ µû¸¥ ±¤´ë¿ª Àü¼Û ´ë¿ªÆøÀ¸·Î ³·Àº ±ºÁö¿¬°ú À̵æ Æòźµµ¸¦ ¾ò±â°¡ ¾î·Á¿ì¹Ç·Î ÁÖ·Î ¿È ¿ä¼Ò¸¦ µîÈÇÏ¿© ³ÐÀº ¹üÀ§ÀÇ ÃÊ°í¼Ó À§¼ºÅë½Å ¼ºñ½º¿¡ È¿°úÀûÀ¸·Î Á¦°øÇÏ¿©¾ß ÇÑ´Ù. ºÐ¼®µÈ °á°ú´Â Åë½ÅÇؾç±â»óÀ§¼ºÀ» ÀÌ¿ëÇÑ ÃÖÀûÀÇ °í¼Ó À§¼ºÀü¼Û ½Ã½ºÅÛÀ» ¼³°èÇÏ°í ¿î¿ëÇϴµ¥ È°¿ëµÉ ¼ö ÀÖ´Ù.
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¿µ¹®³»¿ë (English Abstract) |
Using COMS which provides multi-beam switching function, the optimal transmission channel environments which provides the high data rate communication are proposed in this paper. Also the link budget for communication transponder of COMSAT is designed. Bsaed on the channel modeling for group delay, non-linear and gain flatness characteristics, the system performances which provide high data rate (HDR) service were analyzed in Ka-band satellite channel. As the transmission data rate is increased, the degradation due to these channel characteristics is severely affect the system performance. To efficiently provide the various service via the same transmission system it is necessary to equlize the primary impairment factors. The optimum operating points of HDR satellite transmission system are implemeted and operated by considering the analyzed results on channel characteristics.
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Å°¿öµå(Keyword) |
COMSAT
channel modeling
performance analysis for channel impairments
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