LTE Radio Interface_F

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LTE Radio INterface

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Introduction

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The radio interface, LTE

LTE

Services?

Why learn

about LTE?

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Objectives

› Describe the end user experiences when using LTE,

including speed and possible services

› Briefly describe the radio frequency management used in

LTE compared with existing mobile technologies

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> Overview

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LTE Radio Interface overview

›What is the air

interface?

High bit rates Conveys

services

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LTE Radio INterface

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End user services

› Mobile broadband services

ŔGaming

ŔHigher quality

ŔFaster transfer

› Speech

› Multimedia Broadcast Multicast Service (MBMS)

› IMS/MMTel

Tomorrow

Today

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Peak Rates and User rates

› Peak rate

ŔDownlink: 150 Mbps

ŔUplink: 50 Mbps

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Flexible Bandwidth

› Easier deployment

ŔLower bandwidths: existing GSM, cdma2000

ŔHigher bandwidth: new/unused spectrums

10 15 20 MHz 3 1.4 5

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> Quiz

PROPERTIES

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Summary LTE Radio INterface

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Summary LTE Radio Interface

›Different services

›Higher throughput

ŔDL: 10-100 Mbps

ŔUL: 5-50 Mbps

›Flexible bandwidths