LTEÀÇ °³¿ä ¹× ±â¼úÁ¤ÀÇ
-2008³â ½ºÆäÀÎÀÇ ¹Ù¸£¼¿·Î³ª¿¡¼ ¿¸° ¸ð¹ÙÀÏ ¼¼°è ȸÀÇ¿¡¼ LTE´Â 4G À̵¿Åë½Å ±â¼úÀÇ Çϳª·Î °¡Àå ÁÖ¸ñÀ» ¹Þ´Â´Ù. LTE´Â GSM, WCDMA µîÀÇ ±â¼ú Ç¥ÁØÀ» ÁÖµµÇÑ 3GPP¸¦ Áß½ÉÀ¸·Î °³¹ßµÈ À̵¿Åë½Å ±â¼úÀÌ´Ù.
-LTEÀÇ ±â¼ú Ư¡À¸·Î´Â SISOÀÇ ¾ÈÅ׳ª ±â¼ú·Î ÃÖ´ë 100MbpsÀÇ ´Ù¿î¸µÅ© ¼Óµµ¸¦ º¸ÀÌ°í, 4x4ÀÇ MIMO ¾ÈÅ׳ª ±â¼ú·Î ÃÖ´ë 326.4 MbpsÀÇ ¼Óµµ¸¦ º¸À̴ Ư¡ÀÌ ÀÖÀ¸¸ç, ¾÷¸µÅ© ¼Óµµ´Â SISO¿¡¼ ÃÖ´ë 50 Mbps(QPSK), 86.4 Mbps(64QAM)ÀÇ ¼Óµµ¸¦ º¸ÀδÙ.
-LTE´Â 3G ±â¼ú Áß ÇϳªÀÎ WCDMAÀÇ ´ÙÀ½ ¹öÀüÀÇ ±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 °Á¡ÀÌ´Ù.
-LTE´Â GSM°ú WCDMAÀÇ Á¦ 3¼¼´ë ÀÌÈÄ, À¯·´Áø¿µ¿¡¼ ÁÖµµÇÏ´Â 4GÀÇ Ç¥ÁØ Åë½Å ±â¼ú Áß ÇϳªÀÌ´Ù. À¯·´Áø¿µÀÇ 3GPP »êÇÏ Workgroup¿¡¼ Ç¥ÁØȸ¦ ÁøÇàÇÏ°í ÀÖÀ¸¸ç Åë½ÅÀåºñ ¾÷üÀÎ ¿¡¸¯½¼ ¹× ³ëÅ°¾Æ, Áö¸à½º µîÀÇ À¯·´ ±â¾÷°ú Çѱ¹¿¡¼´Â LGÀüÀÚ°¡ ÁÖµµÀûÀ¸·Î ÁøÇàÇÏ°í ÀÖ´Ù.
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Bandwidth¿¡ µû¸¥ »ç¿ë °¡´ÉÇÑ PRBs(Physical Resource Blocks)¡¦(»ý·«)
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-Van Nee and Prasad, OFDM for Wireless Multimedia Communications, Artech House Publishers, ISBN 0-890006-530-6, 2000
-3GPP TS 36.211 – v1.0.0, Physical Channels and Modulation, http://www.3gpp.org/ftp/Specs/archive/36%5Fseries/36.211/
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