LTE – Maximum Raw Downlink Data Rate

	2x2 MIMO	4x4 MIMO
Total spectrum bandwidth	20MHz	40MHz
Total Resource Blocks	100	100
Resource Elements per Resource Block	84	84
Resource Elements per Resource Block pair	168	168
Resource Element Overhead - PDCCH	12	12
Resource Element Overhead – Ref signals	12	20
Available Resource Elements per Resource Block (after overhead)	144	136
Total Resource Elements available per sub frame	14400	13600
Bits per Resource Element (64QAM)	6	6
Total bits per sub frame	86400	81600
Throughput per layer	86.4Mbps	81.6Mbps
Raw Channel Bandwidth (Mbps) for 2x2 MIMO, 2 layers (streams)	172.8Mbps
Raw Channel Bandwidth (Mbps) for 4x4 MIMO, 4 layers (streams)		326.4Mbps