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Spectrum Management and Digital Broadcasting Transition-St Vincent-20131

ITU/CTU/CBU Workshop on Spectrum Managementand Digital Broadcasting Transition

St Vincent, St Vincent and The Grenadines29 Apr-3 May 2013

Introduction to LTE andLTE-ADVANCED

Pham Nhu Hai

Head, Broadcasting Services Division

Radiocommunication Bureau

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LTE, Long Term Evolution isthe successor to 3G UMTSand HSPA providing much

higher data download speedsand setting the foundations

for 4G LTE Advanced

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LTE 3.5 OR 3.99G!

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LTE is an all IP basednetwork, supporting both

IPv4 and IPv6

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LTE meets the requirementsof industry for high datadownload speeds as well as

reduced latency.

a factor important for many

applications from VoIP to gamingand interactive use of data.

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LTE also provides significantimprovements in the use of

the available spectrum.

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OFDM

Orthogonal Frequency DivisionMultiplex

High data bandwidths transmitted

High degree of resilience toreflections and interference

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MIMO

Multiple Input Multiple Output Reflected signal paths can be used

to advantage and are able to be

used to increase the throughput 2 x 2, 4 x 2, or 4 x 4 antenna

matrices

A challenge for mobile handsets!

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SAE

System Architecture Evolution A number of the functions

previously handled by the core

network have been transferred outto the periphery.

"flatter" network architecture.

latency times can be reduced anddata can be routed more directly to

its destination

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LTE ADVANCED 4G

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The ITU-R started itsevaluation process todevelop the

Recommendations for theterrestrial components of theIMT Advanced radio

interface.

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October 2010 The ITU-Radopted the framework and

key characteristics for theIMT Advanced standard

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Key Milestone

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Spectrum Management and Digital Broadcasting Transition-St Vincent-2013 17

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Key Features

Peak data rates: downlink 1 Gbps,uplink 500 Mbps.

Spectrum efficiency: 3 times

greater than LTE. Peak spectrum efficiency: downlink

30 bps/Hz; uplink 15 bps/Hz.

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Key Features..

Spectrum use: the ability tosupport scalable bandwidth use

and spectrum aggregation where

non-contiguous spectrum needs tobe used.

Latency

Idle to Connected in less than 50 msShorter than 5 ms one way for

individual packet transmission.

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Key Features

Cell edge user throughput to betwice that of LTE.

Average user throughput to be 3

times that of LTE. Mobility: Same as that in LTE

Compatibility: LTE Advanced shall

be capable of interworking withLTE and 3GPP legacy systems.

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LTE BROADCAST

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LTE Broadcast

At MWC 2012 in Barcelona,Ericsson and Qualcomm

demonstrated evolved Broadcast

over LTE (Multimedia BroadcastMulticast Services, eMBMS).

streaming

content delivered during off-peakhours, stored in mobile device

memory, and accessed at a time of

the user's choosing.22

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LTE Broadcast..

eMBMS broadcasts live events,such as music concerts or sports

events

complementary content, like differentcamera angels for instance, to users

of LTE devices.

Services

live TV, video on demand, podcasts

software upgrades to a large number

of mobile devices and set-top boxes.23

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Thank you for your attention!

[email protected]

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