0 sk telecom proprietary 2018 - itu · 2018-09-28 · 3 sk telecom proprietary 2018 beyond 5g...
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0 SK Telecom Proprietary 2018
1 SK Telecom Proprietary 2018
1996~2002 2006 2011.7 2012.7 2013.6 2014.6 2014.12
5G
~10Gbps
800MHzBandwidth
28GHz
World’s First Korea’s First World’s First World’s First World’s First World’s First
2016.6 2019~
World’s First
100MHzBandwidth
3.5GHz2G3G 4G/LTE
75Mbps2CC CA(20MHz)
Multi-Carrier
LTE-A500Mbps
LTE-A Pro700~900M
bps
LTE-A Pro1Gbps
LTE-A300MbpsLTE-A
225MbpsLTE-A
150Mbps
2CC CA(30MHz)
3CC CA(40MHz)
3CC CA(40MHz)
256QAM
5CC CA(70MHz)
256QAM
2017.6
3CC CA(50MHz)
900Mbps
700Mbpsor
2018.1H
CDMA1x & EVDO WCDMA/HSDPA
World’s First
2CC 4x4
256QAM
3CC CA(50MHz)
3CC 4x4
256QAM
leading mobile network evolution to 5G
SK Telecom Mobile Network History and 5G
2 SK Telecom Proprietary 2018
5G Commercialization and Services
3GPP5G standard
2017 2018 2019 2020
5G SI
‘17.3 ‘19.12
Release 15
‘18.6
Release 16
5G NR WI Phases 1
R15 early-drop completion
(NSA)
5G phase 1 (SA) completion
‘17.12 ‘18.6 ‘19.12 (tentative)
Release 17
5G NR WI Phases 2
5G phase 2 completion
R15 late-drop completion
‘18.12
5G Commercial Service (with 3GPP compliant infra/device)
5G Commercialization
Remote SurgeryVirtual Education Autonomous DrivingSmart Factory
5G Commercialization will be initiated in 2019 1Q
3 SK Telecom Proprietary 2018
Beyond 5G Technologies Requirement for Telecom Operators
5G service may be expensive
1. Cost effective with better performance2. Innovative Services
Customer’s satisfaction
Beyond 5G TechnologyRequirement
Source : Forbes
The goal is to provide innovative services with less investment
4 SK Telecom Proprietary 2018
Fiber Optics to Wireless
Expensive for rent, construction, and management
Internet
First version to wirelessFWA (Fixed Wireless Access)
Multi-10G Fronthaul/backhaul networksWireless terabit networks
Source: Samsung
The last wired network needs to be replaced with wireless networks with tera bps
5 SK Telecom Proprietary 2018
Terahertz Band Communications
• Broad bandwidth• Very small antenna • Power consumption (DAC/ADC, RF/PHY)• Short coverage
Data Center
Terahertz TerahertzTerahertz
NR (>6GHz)NR (<6GHz)
【 Terahertz Network Architecture 】
Terahertz band communications will play a key role for substitute for fiber optics
【 Characteristics and challenges】
6 SK Telecom Proprietary 2018
Cell-based to Cell-free Network Architecture
Cell-based Network• Inter-cell interference at cell edge• Same investment for areas with a few mobile users
Less Investment &Better Performance
Cell-free Network• Low interference due to user centric coverage• Less investment using cooperative beamforming
Cell-free network allows to maximize network performance with less investment
7 SK Telecom Proprietary 2018
Massive MIMO and RAN Virtualization for Cell-free Network
Data Center
VirtualizedN/W functions
• Base station with only antenna and RF• Flexibility for rollout • Maximizing network performance • Cost-effective network configuration
Cloud RAN
VirtualizedN/W functions
E2EControl
Massive MIMO
Fully virtualized RAN with Massive MIMO supports cell-free network
8 SK Telecom Proprietary 2018
5G V2X for Autonomous Driving
5G V2X
ITS
IoT
V2X
ADASSensor
MissionCritical Service
V2XMap
HUD/AR
Low latency high reliability Realtime processing Big data transmission
V2X using 5G RANs is currently being standardized for autonomous driving
9 SK Telecom Proprietary 2018
Non-Terrestrial Networks for Autonomous Flight/Voyage
Broad coverage Long latency Low Capacity (~100Mbps)
NTNsNon-Terrestrial Networks with extremely broad coverage are essential for autonomous flight in the sky and autonomous voyage at sea in the future
【 Characteristics 】
10 SK Telecom Proprietary 2018
Evolution of Non-Terrestrial Networks
Delay Requirement ~10msec
Ultra-high throughput NTNs with low latency become a fundamental technologyin the future where everything moves freely on its own
Source: Fraunhofer
Source: 3GPP
11 SK Telecom Proprietary 2018
Enabling Technologies for Future Networks
1. Terabit Communications with Tera Hertz Waves
2. Full RAN Virtualization with Massive MIMO for Cell-free Networks
3. Ultra-high Throughput Non-Terrestrial Networks with Low Latency for Autonomous Flight/Voyage
12 SK Telecom Proprietary 2018