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4G LTE À̵¿Åë½Å±â¼úÀÇ ÇöȲ°ú Ư¡ ¹× ÇâÈÄ ¹ßÀüÀü¸Á |
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¤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) |
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ÆǸŰ¡°Ý: 1,800¿ø (12page) |
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ÀúÀ۽ñâ: 2011/04 |
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Ãßõµ¶ÀÚ: Àüü |
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µî·ÏÀÎ: qudgns97 |
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ÇØ´ç ÀÚ·á´Â ·Î±×ÀÎ ¹× ȸ¿ø°¡ÀÔ ÈÄ ±¸¸ÅÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. |
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(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¥ÁØȸ¦ 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. |
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Âü°íÀÚ·á |
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- 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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