http://www.hackerschool.org/HS_Boards/zboard.php?id=Free_Lectures&no=2014 [º¹»ç]
ÇÚµåÆùÀÌ ÀÖ´Â ºÐµéÀº 3G¶õ ¸»À» ¸¹ÀÌ µé¾îº¸¼ÌÀ» °Ì´Ï´Ù.
(ÇÚµåÆù ¾ø´ÂºÐµéµµ µé¾îº¸¼ÌÀ»°Ì´Ï´Ù.)
ÀÏ´Ü G°¡ ¶æÇÏ´Â°Ç Generation Áï ¼¼´ëÀÔ´Ï´Ù.
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±×·¯¸é º»°ÝÀûÀ¸·Î ¾î¶²°ÍµéÀÌ ÀÖ´ÂÁö ¾Ë¾Æº¾½Ã´Ù.
ÀÌ·± ½ºÆåÀº ITU¶ó´Â ´Üü¿¡¼ Á¤ÇÕ´Ï´Ù(¹¹ÀÇ ¾àÀÚÀÎÁö´Â ±â¾ï ¾È³ª³×¿ä..)
ÀÏ´Ü 1G¶ó´Â ¸» ÀÚü°¡ ¾øÀ¸´Ï Æнº.
2G(GPRS): General PacketRadio Service.
114KbpsÀÇ ¼Óµµ¸¦ °¡Áý´Ï´Ù.
µ¥ÀÌÅ͸¦ º¸³»±â¿¡´Â »ó´çÈ÷ ´À¸®ÁÒ.
(ÁÖÆļö°¡ ³·¾Æ¼ ±×·±°Ì´Ï´Ù. ´ë½Å ¸Ö¸®°¡ÁÒ.
¾Æ¸¶ »ê¿¡¼´Â ´õ ´Ù¸¥°Å¿¡ ºñÇØ Àߵɰɿä)
2.5G(EDGE): Enhanced Data rates for GSM Evolution
1MbpsÀÇ ¼ÓµµÀÔ´Ï´Ù.
¸¹ÀÌ ¹ßÀüÇÑ ¼ÓµµÀÔ´Ï´Ù.
2G´Â º°°Å ¾ø½À´Ï´Ù.
±×·³ 3¼¼´ë·Î °¡°Ú½À´Ï´Ù.
3G(1xRTT, CDMA2000):
153KbpsÀÔ´Ï´Ù.
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¾Æ±î ¸»ÇßµíÀÌ ¼Óµµ¿Í ¼¼´ë´Â ºñ·ÊÇÏÁö´Â ¾Ê½À´Ï´Ù.
3G(EVDO): Evolution Data Only
ÀÌ°Ç Á» º¹ÀâÇÕ´Ï´Ù.
3°¡Áö·Î ³ª´µ¾îÁö°ÔµÇ´Âµ¥
rev0: 153Kbps
revA: 1.8Mbps
revB: 1.9Mbps
ÀÌ·± Â÷ÀÌÀÔ´Ï´Ù.
3G(HSPA): High Speed Packet Access
1.8~14MbpsÀÔ´Ï´Ù.
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¿Ö 3G°¡ 3°³³ª µÇ³Ä°í ¹°À¸½Ã´Â ºÐÀÌ ÀÖÀ»°Å °°½À´Ï´Ù.
3G´Â ½ºÆåÀ̱⶧¹®¿¡ »ó°ü¾ø½À´Ï´Ù.
¿ÀÈ÷·Á 3.5G¶ó´Â¸»ÀÌ À߸øµÊ°ÅÁö¸¸ Å« º¯ÈÀ̱⶧¹®¿¡ ±×·¸°Ô ºÎ¸£³ª º¾´Ï´Ù.
3.5G(HSPA+): Evolved High Speed Packet Access
42~84MbpsÀÔ´Ï´Ù.
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3.9G(LTE): Long Term Evolution
¿äÁò 4G¶ó°í ±¤°íÇÏ´Â ±×°Å ¸Â½À´Ï´Ù.
ITU Advanced specÀ» ¸¸Á·ÇÏÁö¸øÇϹǷΠ3GÀÔ´Ï´Ù.
4G(LTE Advanced, WiMax): Worldwide Interoperability for Microwave Access
ÀÌ°Ô ÁøÁ¤ÇÑ 4GÀÔ´Ï´Ù.
WiMax·Îµµ ºÒ¸³´Ï´Ù.
Áß¿äÇÑ°Ç ¾ÆÁ÷ ½ºÆå»ÓÀÌ°í ¾²Áö ¾Ê½À´Ï´Ù.
¼Óµµ´Â À̷лó 100Mbps°¡ ³ª¿Â´Ù³×¿ä..
½ÇÁ¦ ±¸ÃàÇϸé È¥ÀÚ¾²Áö ¾Ê±â¶§¹®¿¡ ¹ÝÁ¤µµ ³ª¿Ã°É·Î ¿¹»óÇÕ´Ï´Ù.
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Hit : 6305 Date : 2012/06/16 05:34
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