What are the basic Differences between LTE vs LTE Advanced ?

	LTE	LTE Advanced
Max downlink speed (bps)	100 M	1000 M (1 G)
Max up speed (bps)	50 M	500 M
Carrier Aggregation	No	Yes
Max Number of Layers (Downlink)	2 (Cat 3), 4 (Cat 4,5)	8
Max Number of Layers (Uplink)	1	4
Max Number of Codewords (Downlink)	2	2
Max Number of Codewords (Uplink)	1	2
Max Number of Transport Block/subframe (Downlink)	2	2
Max Number of Transport Block/subframe (Uplink)	1	2
Simultaneous PUSCH/PUCCH transmission	Not Allowed	Allowed
Non Contiguous Data Transmission in Single DFT (Uplink)	Not Allowed (SC-FDMA)	Allowed (Clustered SC-FDMA)