|
HOME |
|
·¹Æ÷Æ® |
|
°øÇбâ¼ú |
|
|
|
|
(3GPP 4GÀ̵¿Åë½Å) LTE (·ÕÅÒ¿¡º¼·ç¼Ç) ±â¼úÁ¤¸® (MAC, PHY, ÇÁ·¹ÀÓ ±¸Á¶) |
|
|
|
|
|
¤ýÃÖ´ë 10ÆäÀÌÁö±îÁö ¹Ì¸®º¸±â ¼ºñ½º¸¦ Á¦°øÇÕ´Ï´Ù. |
¤ý¹®¼ÀÇ À̹ÌÁö¸¦ Ŭ¸¯ÇÏ½Ã¸é ´õ¿í ÀÚ¼¼ÇÑ ³»¿ëÀ» º¸½Ç ¼ö ÀÖ½À´Ï´Ù.(´Ü, 4ÆäÀÌÁö ÀÌÇÏ ÀÚ·á Á¦¿Ü) |
|
|
|
¹®¼ ¿ä¾àÁ¤º¸ |
|
|
|
ÆǸŰ¡°Ý: 1,300¿ø (6page) |
|
ÀúÀ۽ñâ: 2011/05 |
|
Ãßõµ¶ÀÚ: Àüü |
|
µî·ÏÀÎ: qudgns97 |
|
|
|
|
|
|
|
|
|
|
|
|
|
¹®¼ »ó¼¼Á¤º¸ |
|
¼Ò°³±Û |
|
|
ÇØ´ç ÀÚ·á´Â ·Î±×ÀÎ ¹× ȸ¿ø°¡ÀÔ ÈÄ ±¸¸ÅÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. |
|
(3GPP 4GÀ̵¿Åë½Å) LTE (·ÕÅÒ¿¡º¼·ç¼Ç) ±â¼úÁ¤¸® (MAC, PHY, ÇÁ·¹ÀÓ ±¸Á¶) ÀÇ ±ÛÀÔ´Ï´Ù. 3GPPÀÇ Â÷¼¼´ë 4G À̵¿Åë½Å ±â¼úÀÎ LTE¿¡ ´ëÇÏ¿© ÀÚ¼¼È÷ ¾Ë¾Æ º» ±ÛÀÔ´Ï´Ù. MAC, PHY ¹× ÇÁ·¹ÀÓ ±¸Á¶, ¿¢¼¼½º °úÁ¤ µî¿¡ °üÇÏ¿© ÀÚ¼¼È÷ ÀÛ¼ºÇÑ ±ÛÀÔ´Ï´Ù. |
|
|
¸ñÂ÷ |
|
|
1. 3GPP Evolution °úÁ¤
2. LTE ÇÁ·ÎÅäÄÝ¿¡¼ÀÇ MAC - LTEÀÇ transport channels
3. LTE DL PHY _badtags (OFDM)
4. LTE UL PHY _badtags (SC-FDMA)
5. Frame ±¸Á¶ - FDD ÇÁ·¹ÀÓ ±¸Á¶ - TDD ÇÁ·¹ÀÓ ±¸Á¶ - Downlink ÇÁ·¹ÀÓ ±¸Á¶ - Uplink ½Éº¼ ¹× ÀÚ¿øºí·Ï
6. ¼¿ Ž»ö°úÁ¤
7. LTE ¿¢¼¼½º °úÁ¤ - RA : Random Access
8. ¿ë¾îÁ¤¸®
9. Âü°íÀÚ·á |
|
|
ºÐ¹®³»¿ë |
|
|
1´Ü°è : ´Ü¸»ÀÌ ±âÁö±¹À¸·Î ÇÁ¸®¿¥ºíÀ» Àü¼ÛÇÑ´Ù. À̸¦ ÅëÇؼ ±âÁö±¹ÀÌ ´Ü¸»ÀÇ Àü¼Û ŸÀ̹ÖÀ» ¾Ë ¼ö ÀÖ´Ù. 2´Ü°è : ±âÁö±¹ÀÌ ´Ü¸»·ÎºÎÅÍ ¹ÞÀº ·£´ý ¿¢¼¼½º¿¡ ´ëÇÑ ÀÀ´äÀ» ÇÑ´Ù. ÀÌ ¶§ ±âÁö±¹Àº ´Ü¸»ÀÌ Àü¼Û ŸÀ̹ÖÀ» Á¶ÀýÇÒ ¼ö ÀÖµµ·Ï timing advance ¸í·É°ú »ç¿ëÇÒ Uplink ÀÚ¿øÀ» ÇÒ´çÇÏ¿© °°ÀÌ º¸³½´Ù. 3´Ü°è : ÇÒ´çµÈ Uplink ÀÚ¿øÀ» »ç¿ëÇÏ¿© identity Àü¼Û, UL-SCH¸¦ »ç¿ëÇÏ¿© Àü¼Û 4´Ü°è : ±âÁö±¹ÀÌ DL-SCH·Î Contention resolution Àü¼Û. |
|
|
Âü°íÀÚ·á |
|
|
3GPP Release 8 Spec http://www.3gpp.org/ftp/Specs/html-info/36-series.htm 3GPP LTE Activities http://www.3gpp.org/tb/home.htm |
|
|
·¹Æ÷Æ®´ëÇà
|
|
|
·¹Æ÷Æ®¸¶ÄÏ¿¡¼´Â
1:1 ¸ÂÃãÇü ·¹Æ÷Æ®ÀÛ¼º ¼ºñ½º
¸¦ Á¦°øÇÕ´Ï´Ù.
"³²µé°ú Â÷º°È µÈ ·¹Æ÷Æ®!"
¿ÀÁ÷ ¼¼»ó¿¡
Çϳª»ÓÀÎ ·¹Æ÷Æ®
¸¦ ¿øÇϽô °æ¿ì, ÁÖ¼ÒÁ٠Ŭ¸¯ ¶Ç´Â »ó´ã ¹®Àǹٶø´Ï´Ù.
|
|
ÀúÀÛ±ÇÁ¤º¸
|
|
|
À§ Á¤º¸ ¹× °Ô½Ã¹° ³»¿ëÀÇ Áø½Ç¼º¿¡ ´ëÇÏ¿© ·¹Æ÷Æ®¸¶ÄÏÀº º¸ÁõÇÏÁö ¾Æ´ÏÇϸç, ÇØ´ç Á¤º¸ ¹× °Ô½Ã¹° ÀúÀ۱ǰú ±âŸ ¹ýÀû Ã¥ÀÓÀº ÀÚ·áµî·ÏÀÚ¿¡°Ô ÀÖ½À´Ï´Ù.
·¹Æ÷Æ®¸¶ÄÏÀÇ ¸ðµç ÄÜÅÙÃ÷ Á¤º¸ ¹× °Ô½Ã¹°Àº ÀúÀÛ±ÇÀÇ º¸È£¸¦ ¹Þ½À´Ï´Ù. ¹«´Ü ÀüÀ硤º¹»ç¡¤¹èÆ÷¸¦ ±ÝÇÕ´Ï´Ù. ÇØ´ç ÀڷḦ ¹«´ÜÀ¸·Î ¹èÆ÷½Ã ÀúÀ۱ǹýÀ¸·Î ó¹ú¹ÞÀ» ¼ö ÀÖÀ¸¸ç ÀúÀÛ±ÇħÇØ, ¸í¿¹ÈÑ¼Õ µî ºÐÀï¿ä¼Ò ¹ß°ß½Ã
½Å°í¼¾ÅÍ
¸¦ ÀÌ¿ëÇØ Áֽñ⠹ٶø´Ï´Ù.
|
|
|
|
|
|
|
|
|
|
|
ÀÚ·áÆò°¡º¸±â
|
|
|
|