lte –preparing networks for the data...
TRANSCRIPT
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COPYRIGHT © 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
LTE – PREPARING NETWORKS FOR THE DATA STORM
Nuno Marques24/May/2012
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THE GAMEIS CHANGING
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IS CHANGING
Market Dynamics
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SURGING DEMAND
X30 mobile traffic
2500
5000
Pbytes/month
37% of Internet traffic during prime time is online video
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Mobile Internet
70% of mobile traffic by 2014
2010 2011 2012 2013 2014 2015
Smartphones
2.5 billion connections by 2015
Mobile Internet
70% of mobile traffic by 2014
Connected, IP-enabled Devices 1.2 billion devices connected by 2014
Video
~ 70% of internet traffic by 2014
Source: Bell Labs analysis
Dongle/tablets Smartphones Feature phones
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THE DATA ERA
User-paid Revenues
Broadband Network
New Business Model
Traffic
Unlimited wireless triple play
NonUser-paidRevenues
Enriched
Telecom Operators Scissor Effect
Data Era
Voice Era
Revenues
Traffic
Traffic & Revenue
Divergence
Time
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2005-2010 2010-20202000-2005
TCO and Carbon FootprintEfficient Network & Operations
Voice-centric
Pay per minute
New Value Chain
Voice and Multimedia
Pay per use
Enriched Service & QoE
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LTE
RISE ABOVE
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RISE ABOVETHE DATA STORM
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MAIN LTE CHARACTERISTICS
326Mbps
10ms RTT
Excellent performance for outstanding Quality of Experience
Wide spectrum and bandwidth range
20MHz
1.4MHz
2.6GHz
700MHz
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CDMA, GSM, W-CDMA
cost effective IP architecture and transport
Smooth interaction with legacy
LTE
2G/3G
4G LTE is the fastest developing mobile system technology ever. As of early 2012:
• 285 operators in 93 countries investing in LTE• 49 commercial LTE networks in 29 countries• 119 commercial LTE networks in 53 countries forecast by the end of 2012
source: GSA in January 2012
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MAIN LTE CHARACTERISTICS
Latency Reduction
HSPA HSPA+ LTE
10 ms
65 ms
50 ms
326
LTE
10 ms
User created content
Low latency enables fast channel
adaptation therefore allowing high
speed applications
MIMO2x2 MIMO4x4
HD TV
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Higher Peak throughput
HSPA 5MHz HSPA+ 5MHz LTE 20MHz
MIMO2x2
173 Mbps
55 Mbps
42 Mbps11 Mbps14 Mbps5 Mbps
LTE 20MHz
MIMO4x4
326
Mbps
86 Mbps
Multi-screen
Gaming
More…
High peak throughput enables rich
content applications over LTE
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GREATER RESOURCE EFFICIENCY
A common evolution …
L
T
E
GSM/UMTS
GSM/EDGE
GSM/EDGE
1X/EV-DO RevA
HSPA+
UMTS/HSPA+
TD-SCDMA
…introducing highly efficient technologies
OFDM MIMO Flat IP
Robust modulation in dense environments
Increased link capacity
Multiple-input, multiple-
Flat, scalable
Short TTI: 1 ms (2 ms for HSPA). Backhaul based on IP / MPLS
CDMA2000 1X
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E1X/EV-DO RevA B/A+
WIMAX
dense environments
OFDMA (DL) / SC-FDMA (UL) Increased spectral efficiency. Simplified Rx design cheaper UE Scalable - go beyond 5 MHz limitation
Multiple-input, multiple-output UL& DL. Collaborative MIMO (UL). Overcome multi-path interference
based on IP / MPLS transport. Fits with IMS, VoIP, SIP
LTE AdvancedLTE3G
IMT-Advanced familyIMT-2000 family
1.4MHz 3MHz 20MHz10MHz5MHz
LTE bandwidths options
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LTE ARCHITECTURE
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LTE ADVANCED
REACHING HIGHER DATA RATESBAND AGGREGATION Higher throughput aggregating multiple LTE carriers
IMPROVING PEAK DATA-RATES AND SPECTRAL EFFICIENCY MIMO CAPABILITIES LTE Advanced extends MIMO capabilities of LTE Release 8 to now supporting 8 downlink antennas and 4 uplink
DRIVERS
SPECTRUM FLEXIBILITY
PEAK DATA RATES
SPECTRUM EFFICIENCY
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CELL-EDGE IMPROVEMENT CoMPCoordinated multiple point transmission and reception: improve coverage of high data-rates, the cell-edge throughput, and increase system throughput
to now supporting 8 downlink antennas and 4 uplink antennas
MOBILITY
LATENCY
CELL-EDGE USER THROUGHPUT
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SPECTRUM IN PORTUGAL
800 MHz
800 MHz split by 3 operators
• 3 x 20Mhz
2.6 GHz
2.6 GHz split by 3 operators
• 3 x 40 MHz
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• Typical Cell Ranges for LTE show
a significant advantage of using lower frequencies X2.5
For rural environments, cell count can be cut by 6x (to 9x) for the same area covered
2.6 GHz 800 MHz
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ALWAYS ONREINVENTING THE NETWORK
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Poor in-building Penetration
Rural Access
Poor Residential Coverage
Indoor HotspotsOutdoor
Hot Spots
Public Hot Spots
TODAY’S MACRO APPROACH IS INSUFFICIENT
Macro is part of the solution, not “the” solution
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Macro Throughput
DL
UL
THE OBJECTIVE IS QOE EVERYWHERE
Need for Extra capacity in Hotspot Need for Better UL+DL Avoiding new Macro deployment
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INCREASE OF FEMTO-CELLS
By the end of 2012: There will be more femtocells than macrocells
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SMALL CELLS AT THE RESCUEFrom improved QoE to new revenue potential
FROM 5 BAR COVERAGE TO ACCESS BUSINESS MODELS Including dedicated data performance & capacity, and smallzone tariff plans
FROM ACCESS MODELS TO
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FROM NETWORK BASED SERVICES TO Open API NETWORK “CLOUD” SERVICES
Capturing additional value from a small cells application Ecosystem
FROM ACCESS MODELS TO SMALLZONE SERVICES Allow consumers to access a wide variety of services when at home or in the office that are delivered via the small cells
SMALL CELLFEMTOZONE
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lightRadio™ SOLUTION
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lightRadio™ NETWORK – TRUE HETNET
2G/3G/4G across macro, metro, enterprise, home
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BELL-LABSCONSISTENT INOVATION
Fax Sound MoviesDigital Computer Cellular
Radio Astronomy Transistor
Information Theory
MBE Laser Solar CellTelstarText-to-SpeechCCD UNIXC
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MBE Laser Solar CellTelstarText-to-SpeechCCD UNIX
Lightwave DSP
C Language
Digital Cellular
BLAST
Raman AmplifierHDTV DWDM
Security StandardBSRPIC
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