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

LTE Radio Features

• Multimode – can transfer between GSM and WCDMA
• Multi Types of Modulation Techniques
• Multiple Input Multiple Output (MIMO)
• Variable Channel Bandwidth – Up to 20MHz
• FDD & TDD Operation

LTE Services

• Voice - over packet
• Data - high speed
• Multimedia - mixed media
• Location based services - GPS and system
• Multicast - shared audio and video channels

LTE Features

UMTS LTE Key Features

• Data rates
• Up to 100Mbps Downlink
• Up to 50Mbps Uplink
• Packet Data
• Low latency - for real time services
• Flexible Frequency Allocation
• FDD
• TDD
• Variable bandwidth
• All IP Backbone
• Self Configuration & Optimization
• Multibeam RF Transmission

Aal2 Path Dimensioning

Aal2 path is the transport for UTRAN.
1 speech call AMR requires 2 Aal2 connections.

1. Signaling - avgbit 1088b/s
2. Speech - avgbit 9024b/s

Mobile Broadcast by IP Wireless

IP Wireless Mobile Broadcast Benefits ->

4G by Nortel