LTE-Advanced Evolution
for 5G Services
Nokia Networks Webinar
Harri Holma, Fellow, Nokia Networks Research
23 September 2015
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LTE-Advanced Evolution boosts performance to extremes 10x Performance for new services
150 Mbps
10 ms latency
10x data rate
100x more capacity
10x lower latency
10x enhanced coverage
New service
capabilities
LTE Release 8 LTE Advanced evolution
1New name from 3GPP in October
LTE = Releases 8-9
LTE-Advanced = Releases 10-12
LTE-Advanced evolution1 = Release 13 and beyond
Agenda
1 Extreme
throughput
4 Extreme low
latency
2 Extreme capacity
3 Extreme efficiency
5 Extreme
scalability
6 Evolution
to 5G
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5G research 5G radio Sub and above 6 GHz
Smooth 4G evolution Sub 6 GHz
Programmable World
LTE-Advanced Evolution builds the bridge from 4G to 5G Enabler for initial 5G with backward compatibility
People & Things
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Carrier Aggregation
Evolution to Multi-Gbps
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From 20 MHz to 640 MHz aggregated spectrum to serve a user 32x faster through evolution of carrier aggregation
32 x 20 MHz LTE-
Advanced+ 3GPP Release
13-
5 x 20 MHz LTE-Advanced 3GPP Releases
10-12
LTE 3GPP Releases
8-9
20 MHz
x32 Bandwidth/user
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Expansion of Usable Spectrum From 700 MHz-3 GHz to 450 MHz-6 GHz globally agreed spectrum range
Licensed
paired and unpaired
700 2.6
450 3.8
Licensed paired and unpaired
450 3.8
Licensed paired and unpaired
5.1 5.9
Unlicensed unpaired
coverage
capacity
The worlds first LTE network
capacity
LTE-
Advanced+ 3GPP Release
13-
LTE-Advanced 3GPP Releases
10-12
LTE 3GPP Releases
8-9
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Three-Band Carrier Aggregation (Cat 9) hitting commercial networks
Three carrier FDD aggregation 20 + 20 + 10 MHz LTE800 + LTE1800 + LTE2600 Peak rate 375 Mbps
Three carrier FDD + TDD 20 (FD) + 20 (TD) + 20 (TD) MHz LTE2100 + LTE2600 + LTE2600 Peak rate 365 Mbps
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Three-Band Aggregation 20+20+10 MHz in live network shows >370 Mbps
150-200 simultaneously connected live users
Band 7 20 MHz
Band 3 20 MHz
Band 20 10 MHz
Peak throughput >370 Mbps
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LTE-Advanced data rate evolution to multi-Gbps More bandwidth higher data rates
>3 Gbps
2020
>300 MHz 1 Gbps
2017
100 MHz 300 Mbps
2015
40 MHz 100 Mbps
2010
20 MHz
Use more spectrum to boost LTE peak rate to
multiple Gbps
300 MHz and 2x2 MIMO gives 3 Gbps
Agenda
1 Extreme
throughput
4 Extreme low
latency
2 Extreme capacity
3 Extreme efficiency
5 Extreme
scalability
6 Evolution
to 5G
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Using the 5 GHz band
Nokia Solutions and Networks 2015
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5725 5850 5470 5150 5350
5725 5470 5150 5350
5725 5850 5150 5350
US
Europe
Japan
China
MHz
MHz
MHz
= 580 MHz
= 455 MHz
= 325 MHz
Substantial amount of spectrum at 5 GHz
Plenty of spectrum in 5 GHz band. Especially suited to small cell deployments
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Utilization of 5 GHz Band with LTE-Advanced Evolution License Assisted Access (LAA) and LTE Wi-Fi Aggregation (LWA)
LTE
licensed
Carrier
Wi-Fi
LTE
unlicensed
5 GHz
Reliable
connection
Higher data rates
and more capacity
Licensed band LTE provides reliable connection
LAA uses LTE on 5 GHz band for higher data rates
LWA uses Wi-Fi on 5 GHz band for higher data rates
More efficient offloading to unlicensed band
LWA LAA
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License Assisted Access
(LAA/LTE-U)
Licensed spectrum
700 3500 MHz
Uplink Downlink
Unlicensed spectrum
5 GHz
Downlink
Release 13: downlink on 5 GHz band
Release 14: also uplink on 5 GHz band
Listen-before-talk channel access
Dynamic frequency selection
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LTE WiFi Aggregation (LWA)
LTE
eNodeB
Wi-Fi access
point
LTE eNodeB splits the data between LTE and Wi-Fi
transmissions. The device can receive data simultaneously
via LTE and Wi-Fi with dual connectivity functionality
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LAA provides double spectral
efficiency vs Wi-Fi
Performance of LAA and Wi-Fi
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Single Network Two Networks
Re
lati
ve
ca
pac
ity
Capacity with single technology
LTE
Wi-Fi
LAA provides double cell range vs
Wi-Fi
0 50 100 150 200
LTE (5 GHz)
Wi-Fi (5 GHz)
Meters
Outdoor micro cell range
Min
Max
LAA is also suitable for public areas and outdoor
Agenda
1 Extreme
throughput
4 Extreme low
latency
2 Extreme capacity
3 Extreme efficiency
5 Extreme
scalability
6 Evolution
to 5G
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Enhanced Spectral
Efficiency
Nokia Solutions and Networks 2015
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(1)
(2)
(8)
Column-1
16 TXRUs
Column-2
16 TXRUs
Column-3
16 TXRUs
Column-4
16 TXRUs
3D MIMO (Full Dimension MIMO) Schemes in Releases 13-14
3GPP evolution for multiantenna feedback (codebook) - Release 8 MIMO 4x2
- Release 10 MIMO 8x2
- Release 13 MIMO 16x2
- Release 14 MIMO 64x2
8x2, 16x2 and 64x2 transceiver configurations are each associated with
four columns of cross-polarized antenna
elements of approximately the same
physical dimensions
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Higher Spectral Efficiency with 3D MIMO (Full Dimension MIMO)
16x2 gives 2.5x gain over 2x2
64x2 gives 3.0x gain over 2x2
64x2 gives +50% gain over 8x2
These simulations use codebook feedback which applies both for
FDD and TDD
Same total power in all cases
100 %
194 %
252 %
299 %
0 %
50 %
100 %
150 %
200 %
250 %
300 %
350 %
2x2 8x2 16x2 64x2
Average Spectral Efficiency EvolutionAverage Spectral Efficiency Evolution
Agenda
1 Extreme
throughput
4 Extreme low
latency
2 Extreme capacity
3 Extreme efficiency
5 Extreme
scalability
6 Evolution
to 5G
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Millisecond
latency
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LTE-Advanced Evolution minimizes latency Below 1 ms One-way delay and below 2 ms Round Trip Time
14 symbol TTI
7 symbol TTI
2 symbol TTI
1 ms
0.14 ms
10-20 ms
5-10 ms
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Round Trip Time Evolution Enhanced end user performance with lower latency
0
5
10
15
20
25
HSPA LTE LTE-A+ 5G
ms
Round trip time evolution Radio latency is lower with
LTE-Advanced+ and 5G
Important to optimize end-to-end latency
Mobile Edge Computing (MEC) reduces latency by
bringing content to the
radio network. MEC is
being standardized in ETSI
Agenda
1 Extreme
throughput
4 Extreme low
latency
2 Extreme capacity
3 Extreme efficiency
5 Extreme
scalability
6 Evolution
to 5G
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Internet of Things (IoT)
optimization using
Machine-to-Machine (M2M)
communications
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Terminology check
IoT = Internet of Things
M2M = Machine-to-
Machine
D2D = Device-to-
Device
Direct communication between two devices.
Relevant e.g. for automotive, public safety and
proximity applications
Connectivity solution supporting IoT to exchange
information including device-to-device and device-
to-infrastructure communication
Real, digital and virtual objects converging to create
smart environments that make energy, transport,
cities and many other areas more intelligent
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Targets of IoT optimization
High capacity core network Signaling and network entity optimization
Lower cost device
Battery life >10 years with 2 AA batteries
Enhanced coverage Path loss >164 dB
Lower power consumption
Modem cost
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LTE M2M optimization for low device cost
Release 8 Release 8 Release 12 Release 13 Release 13
Category 4 Category 1 Category 0 Cat-M 200 kHz NB-IoT
Downlink peak rate 150 Mbps 10 Mbps 1 Mbps 1 Mbps 200 kbps
Uplink peak rate 50 Mbps 5 Mbps 1 Mbps 1 Mbps 100 kbps
Number of antennas 2 2 1 1 1
Duplex mode Full duplex Full duplex Half duplex Half duplex Half duplex
UE receive bandwidth 20 MHz 20 MHz 20 MHz 1.4 MHz 0.2 MHz
UE transmit power 23 dBm 23 dBm 23 dBm 20 dBm 23 dBm
Multiplexed within LTE Yes Yes Yes Yes Yes/No
Modem complexity 100% 80% 40% 20% 15%
Release 12 introduced low complexity
UE category (Cat-0) with lower data rate, half duplex and single antenna
Release 13 will further reduce
complexity with narrowband RF and
lower data rate
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Nokia Working for IoT Optimized NB-LTE Radio
NB-LTE is the most optimized radio for IoT applications.
NB-LTE will be standardized in 3GPP.
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Vehicular Communications and
Public Safety Using Device-to-
Device (D2D) Communication Nokia Solutions and Networks 2015
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LTE Vehicular Communications
Vehicle-to-Infrastructure (V2I) Vehicle-to-Vehicle (V2V)
LTE technology components for vehicular use
Device-to-Device (D2D) for V2V communication
Local content and local routing with LiquidApps
LTE extensive coverage and low latency
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LTE Public Safety
Proximity services Group communication
Release 12
Enhanced proximity services Mission critical push-to-talk Isolated E-UTRAN operation
Release 13
Public safety application can run on top of LTE networks.
LTE can bring excellent data capability, good coverage and efficient operations
compared to separate public safety networks.
Agenda
1 Extreme
throughput
4 Extreme low
latency
2 Extreme capacity
3 Extreme efficiency
5 Extreme
scalability
6 Evolution
to 5G
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Evolution to 5G
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5G
LTE 5G
User plane Control
plane
LTE
Dual connectivity Control plane in LTE
Simultaneous connection to LTE
and 5G radio
LTE for control plane and 5G phase
1 for high data rate user plane
5G
LTE-Advanced Evolution takes advantage of LTE Connectivity
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Backwards compatible with current LTE
Yes
LTE-Advanced evolution
No
5G Phase 1
Control plane LTE LTE
LTE-Advanced Evolution to 5G
Spectrum 450 MHz 6 GHz 3 6 GHz
Great 5G comes with great LTE!
Nokia Solutions and Networks 2015
What next?
Ask your local Nokia representative
about ways to improve your networks performance.
Or feel free to send your request to:
22/09/2015 40 Nokia Solutions and Networks 2015
Join #NetworksPerform webinar series
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