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ÆÄÀÏ : (3GPP 4GÀ̵¿Åë½Å) LTE (·ÕÅÒ¿¡º¼·ç¼Ç) ±â¼úÁ¤¸® (MAC~.doc   [Size : 246 Kbyte ]
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(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.
LTEÇÁ·ÎÅäÄÝ¿¡¼­ÀÇMAC
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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

º»¹®/³»¿ë

3GPP Evolution °úÁ¤
Release 99 (2000³â 4¿ù) : UMTS / WCDMA
Rel – 5 (2002³â 4¿ù) : HSDPA
Rel – 6 (2005³â 4¿ù) : HSUPA
Rel -7 (2007³â 12¿ù) : DL MIMO, IMS (IP Multimedia Subsystem), optimized real-time services (VoIP, gaming, push-to-talk)
Rel – 8 (2008³â 12¿ù)
Rel – 9 (2009³â 12¿ù)

Áß·«...
LTE DL PHY _badtags (OFDM)

-Downlink transport channels
Broadcast Channel (BCH)
Downlink Shared Channel (DL-SCH)
Paging Channel (PCH)
Multicast Channel (MCH)
-Physical Channel
Physical Downlink Shared Channel (PDSCH) : »ç¿ëÀÚ µ¥ÀÌÅÍ ¹× ÆäÀÌ¡ Á¤º¸ Àü¼Û
Physical Multicast Channel (PMCH)
Physical Control Format Indicator Channel (PCFICH) : PDCCH¿¡ ´ëÇÑ Á¤º¸ Àü¼Û
Physical Hybrid ARQ Indicator Channel (PHICH) : Uplink µ¥ÀÌÅÍ Àü¼ÛÀ» À§ÇÑ HARQ¿¡ ´ëÇÑ ACK ¶Ç´Â NACK Á¤º¸ Àü¼Û
Physical Downlink Control Channel (PDCCH) : ½ºÄÉÁÙ¸µ ¹× Downlink Á¦¾î Á¤º¸, Uplink ½ºÄÉÁÙ¸µ ½ÂÀÎ Á¤º¸ Àü¼Û

Âü°í¹®Çå

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


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ID : bkhy******
Regist : 2013-06-20
Update : 2020-11-08
FileNo : 16203673

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3GPP   4GÀ̵¿Åë½Å   LTE   ·ÕÅÒ¿¡º¼·ç¼Ç   ±â¼úÁ¤¸®   MAC   PHY   ÇÁ·¹ÀÓ   ±¸Á¶  


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