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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > 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 :

ÇѱÛÁ¦¸ñ(Korean Title) G.983.1 ±â¹ÝÀÇ ATM-PONÀ» À§ÇÑ Ranging ÇÁ·ÎÅäÄÝ¿¡ °üÇÑ ¿¬±¸
¿µ¹®Á¦¸ñ(English Title) A Study on a Ranging Protocol for the ATM-PON Based ell ITU-T G.983.1
ÀúÀÚ(Author) Á¤ÇØ   ±èÁøÈñ   ±Ç¼øö   Hae Chung   Jin-Hee Kim   Sun-Chul Kwun  
¿ø¹®¼ö·Ïó(Citation) VOL 04 NO. 01 PP. 0017 ~ 0025 (2000. 03)
Çѱ۳»¿ë
(Korean Abstract)
ATM PONÀº ¼öµ¿ ±¤ ºÐ¹è¸Á¿¡¼­ ATM¼¿À» Àü¼ÛÇÏ´Â °¡ÀÔÀÚ¸ÁÀ¸·Î¼­ ´Ù¾çÇÑ ÇüÅÂÀÇ °¡ÀÔÀÚ¸¦ ÇϳªÀÇ ÅëÇÕµÈ Ç÷§Æû¿¡¼­ ó¸®ÇÒ ¼ö Àֱ⠶§¹®¿¡ Â÷¼¼´ë ¿¢¼¼½º¸ÁÀÇ ÇعýÀ¸·Î °£ÁֵȴÙ. º» ³í¹®¿¡¼­´Â ATM PONÀÌ °¡Áö°í ÀÖ´Â ÀåÁ¡°ú ±×°ÍÀÌ µ¿ÀÛÇϱâ À§ÇÑ ÇÙ½ÉÀûÀÎ ÇÁ·ÎÅäÄÝÀ» »ìÆ캻´Ù. ±× Áß¿¡¼­µµ rangingÀº ½Ã½ºÅÛ¿¡¼­ ½ÃºÐÇÒ ´ÙÁßÈ­ ¾×¼¼½º¸¦ °¡´ÉÇÏ°Ô ÇÏ´Â °¡Àå Áß¿äÇÑ ÇÁ·ÎÅäÄÝÀÌ´Ù. ÀÌ ÇÁ·ÎÅäÄÝÀÇ ¹®Á¦Á¡Àº ranging ¼¿ÀÌ µµÂøÇÏ´Â ½Ã°£±¸°£, Áï À©µµ¿ì°¡ ³Ê¹« ±æ´Ù´Â °ÍÀÌ´Ù. ÀÌ ±â°£ µ¿¾È »óÇâÀ¸·Î °¡ÀÔÀÚ Æ®·¡ÇÈÀ» Àü´ÞÇÒ ¼ö ¾øÀ¸¹Ç·Î, ¼­ºñ½º Ç°ÁúÀÌ ÀúÇ쵃 °¡´É¼ºÀÌ ¸Å¿ì ³ô´Ù. ÀÌ ³í¹®¿¡¼­´Â ±¤ÄÉÀ̺íÀÇ ±æÀ̸¦ ¾î´À Á¤µµÀÇ ¿ÀÂ÷¸¦ °®°í ¾Ë°í ÀÖÀ» ¶§ À©µµ¿ì ±æÀ̸¦ ÃÖ¼ÒÈ­ÇÏ´Â ¹æ¾ÈÀ» Á¦½ÃÇÑ´Ù. Á¦½ÃµÈ ¾Ë°í¸®ÁòÀ» »ç¿ëÇÒ °æ¿ì, ±¤ÄÉÀ̺íÀÇ ±æÀÌ°¡ 1 Km º¯À̸¦ °¡Áú ¶§ ±âÁ¸ ¹æ¹ý¿¡ ºñÇØ À©µµ¿ì ±æÀÌ°¡ 7 %¿¡ Áö³ªÁö ¾Ê´Â ¼º´É Çâ»óÀ» ¾òÀ» ¼ö ÀÖ´Ù.
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(English Abstract)
ATM PON system is regarded as a solution of the next generation access network because it can cover various types of subscribers in a single platform. In this paper, we describe the merit of the ATM PON and the key protocols for its operation. Above all, the ranging is the most important protocol providing a mean of the time-division multiple access in the system. A problem in the protocol is that the window size, the time interval that ranging cell arrives, is too long. During the interval, user traffics cannot be send to the upstream, which makes the quality of service degraded. In this paper, we suggest a method to minimize the window size when the length of the optic fiber is known with some deviation. The window size can be reduced as 7 % of the conventional method when the deviation of the length is 1 Km.
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