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  4G LTE À̵¿Åë½Å±â¼úÀÇ ÇöȲ°ú Ư¡ ¹× ÇâÈÄ ¹ßÀüÀü¸Á
 
 

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ÇØ´ç ÀÚ·á´Â ·Î±×ÀÎ ¹× ȸ¿ø°¡ÀÔ ÈÄ ±¸¸ÅÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.

 

(4G À̵¿Åë½Å) LTE (Long Term Evolution)ÀÇ Åë½Å±â¼ú¿¡ °üÇÑ ÀÚ¼¼ÇÑ ±ÛÀÔ´Ï´Ù.
LTEÀÇ 4GÀ̵¿Åë½Å ±â¼ú¿¡ ´ëÇÏ¿© ¾Ë¾Æº¸°í, LTEÀÇ ±â¼ú°³¿ä ¹× Ư¡, ±â¼ú¼º´É ¹× ¼¼ºÎ»çÇ×, WIMAX, GSM, CDMA¿ÍÀÇ ±â¼úºñ±³ ¹× Çâ ÈÄ Àü¸Á¿¡ ´ëÇÏ¿© ÀÚ¼¼È÷ ¾Ë¾Æ º» ±ÛÀÔ´Ï´Ù.
LTE Åë½Å ±â¼úÀÇ ¸ðµç °ÍÀ» ¾Ë ¼ö ÀÖ´Â ¹æ´ëÇÑ ÀÚ·á ÀÔ´Ï´Ù.

 
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1. LTEÀÇ ±â¼ú¼Ò°³ ¹× °³¿ä

2. Åë½Å±â¼ú ÁøÈ­ ·Îµå¸Ê
-LTE ÁøÈ­ ·Îµå¸Ê
-LTE¿Í WIMAXÀÇ ÁøÈ­ ·Îµå¸Ê

3. LTEÀÇ ±â¼ú ¿ä±¸»çÇ×

4. LTEÀÇ ±â¼ú
-3GPP¿¡¼­ Á¤ÀÇÇÏ´Â FDD(Frequency Division Duplexing)¿Í TDD(Time Division Duplexing)ÀÇ ÁÖÆļö ´ë¿ª
-LTEÀÇ ÇÁ·¹ÀÓ ±¸Á¶
-OFDM ½Éº¼ ŸÀÌ¹Ö ±¸Á¶
-LTE Physical _badtags ÆĶó¹ÌÅÍ Æ¯¼º
-DCI(Downlink Control Information)ÀÇ »çÇ×
-Downlink ÇÁ·¹ÀÓ ±¸Á¶ ÆĶó¹ÌÅÍ
-Downlink Resource ±×¸®µå
-UL ÇÁ·¹ÀÓ ±¸Á¶
-UL Physical _badtags ÆĶó¹ÌÅÍ
-Uplink ÇÁ·¹ÀÓ ±¸Á¶ ÆĶó¹ÌÅÍ
-E-UTRA ä³Î ´ë¿ªÆø ¹× Àü¼Û ´ë¿ªÆø ±¸¼º
-¾ÈÅ׳ª »ç¿ë¿¡ µû¸¥ Àü¼Û¼Óµµ ºñ±³
-ÁÖÆļö ´ë¿ªÆø ¹× ¾ÈÅ׳ª ±¸¼º¿¡ µû¸¥ ¼Óµµ ºñ±³

5. LTE¿Í CDMA. GSM,WIMAX¿ÍÀÇ ¼º´É ºñ±³
-GSM¿¡¼­ LTE±îÁöÀÇ ¼º´Éº¯È­
-CDMA¿¡¼­ LTE±îÁöÀÇ ¼º´É º¯È­
-LTE¿Í WIMAX ±â¼úºñ±³

6. LTE¿Í LTE Advanced ±â¼úºñ±³

7. LTEÀÇ Çâ ÈÄ Àü¸Á

8. LTE ¿ë¾îÁ¤¸®

9. Âü°í¹®Çå

 
 
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LTEÀÇ ±â¼ú¼Ò°³ ¹× °³¿ä
- LTE´Â 3GPP ±â¼ú Áß ÇϳªÀÎ WCDMAÀÇ ´ÙÀ½ ¹öÀüÀÇ Åë½Å±â¼ú·Î½á Â÷¼¼´ë À̵¿Åë½Å±â¼ú 4GÀÇ ±â¼ú Áß ÇϳªÀÌ´Ù. 3G ±â¼ú¿¡ ºñÇØ Àü¼Û¼Óµµ ¹× ÀÌ¿ëÈ¿À²¼ºÀÌ ´ëÆø Áõ°¡µÇ¾î ³×Æ®¿öÅ©ÀÇ ±¸¼ºÀ» °³¼±Çϸç, Àü¼ÛÁö¿¬À» ÃÖ¼ÒÈ­ ÇÑ °ÍÀÌ ÀåÁ¡ÀÌ´Ù.
- LTE´Â GSM°ú WCDMAÀÇ Á¦ 3¼¼´ë ÀÌÈÄ, À¯·´Áø¿µ¿¡¼­ ÁÖµµÇÏ´Â 4G À̵¿Åë½Å ±â¼úÀÇ Ç¥Áرâ¼ú Áß ÇϳªÀÌ´Ù. À¯·´Áø¿µÀÇ 3GPP »êÇÏ Workgroup¿¡¼­ Ç¥ÁØÈ­¸¦ ÁøÇàÇÏ°í ÀÖÀ¸¸ç Åë½ÅÀåºñ ¾÷üÀÎ ¹Ì±¹ÀÇ ¿¡¸¯½¼ ¹× ½º¿þµ§ÀÇ ³ëÅ°¾Æ, Áö¸à½º µîÀÇ À¯·´ ±â¾÷°ú Çѱ¹¿¡¼­´Â LGÀüÀÚ¿Í »ï¼ºÀüÀÚ°¡ Âü¿©ÇÏ¿© ÁÖµµÀûÀ¸·Î ÁøÇàÇÏ°í ÀÖ´Ù.
- 3GPP LTE´Â ¹Ì·¡ Åë½Å±â¼ú ¿ä±¸ »çÇ×À» ±Øº¹ÇÏ°í, UMTS(Universal Mobile Tele communication Service) ÈÞ´ëÀüÈ­ ´Ü¸»±â Ç¥ÁØÀ» Çâ»ó½ÃÅ°±â À§ÇÑ Á¦ 3¼¼´ë Çù·Â ÇÁ·ÎÁ§Æ®¿¡¼­ ÁÖ¾îÁø ¸íĪÀÌ´Ù.
- 2009³â 12¿ù ½º¿þµ§ÀÇ Åë½Å±â¾÷ÀÎ TeliaSonera¿¡¼­ ¸Ç óÀ½À¸·Î »ó¿ëÈ­¿¡ ¼º°øÇÏ¿© ¼­ºñ½º¸¦ ½ÃÀÛÇÏ¿´À¸¸ç, 2010³â ÇϹݱâºÎÅÍ ~ 2012³â¿¡ °ÉÃÄ Àü ¼¼°èÀûÀ¸·Î »ó¿ëÈ­ ÀÛ¾÷ÀÌ ½ÃÀÛµÉ °ÍÀ¸·Î ¿¹»óµÈ´Ù. ÇöÀç ¹Ì±¹ÀÇ ¹ö¶óÀÌÁð°ú ÀϺ»ÀÇ µµÄÚ¸ð, µ¶ÀÏÀÇ T¸ð¹ÙÀÏ µî ÁÖ¿ä ±¹°¡ÀÇ À̵¿Åë½Å »ç¾÷ÀÚµéÀÌ ÁغñÇÏ°í ÀÖ´Ù.

 
Âü°íÀÚ·á
   

- 3GPP TR 25.913 - v7.3.0, Requirements for EUTRA and EUTRAN, http://www.3gpp.org/ftp/Specs/archive/25%5Fseries/25.913/ - 3GPP TS 36.300 – v8.0.0, E-UTRA and E-UTRAN Overall Description, http://www.3gpp.org/ftp/Specs/archive/36%5Fseries/36.300/ - 3GPP TS 36.213 – v1.0.0, Physical _badtags Procedures, http://www.3gpp.org/ftp/Specs/archive/36%5Fseries/36.213/ - 3GPP TS 36.211 v8.0.0 subclause 5.6 - 3GPP TS 36.211 v8.0.0 subclause 5.5 - Van Nee and Prasad, OFDM for Wireless Multimedia Communications, Artech House Publishers, ISBN 0-890006-530-6, 2000 - GSMA PRD IR.92, ¡°IMS Profile for Voice and SMS v1.0¡±, 18.Mar.2010 - Alcatel-Lucent, ¡°The LTE Network Architecture¡±, 2009

 
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