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)
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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
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