Toward a 5G Ecosystem with More Vitality and Long...
Transcript of Toward a 5G Ecosystem with More Vitality and Long...
Toward a 5G Ecosystem with More Vitality and Long Life Cycle
Wan Lei
Director of HUAWEI Wireless Standard
HUAWEI TECHNOLOGIES CO., LTD. Page 2
5G Use Case Scenario, to Full Connected World
mMTC uRLLC
Future IMT
10Gbps
eMBB
3D Video, UHD Screen
Work and play in the cloud
Augmented reality
Industry automation
Mission critical
applications
Self driving car
Smart Home
/Building
Smart
City
ITU-R WP5D
1million/KM2 1ms
AR/VR
Smart Drive
Smart Access
Indoor
Dense urban
Rural
Urban -mMTC Urban-URLLC
ITU-R IMT2020 Evaluation
5 Scenarios w. 13 Metrics
• Peak rate/SE
• Cell avg./edge SE
• User perceived rate
• Regional load density
• User-plane latency
• Control-plane latency
• Mobility
• Mobility HO latency
• Network/terminal EE
• Connection density
• Reliability
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Challenges of Services & Network Requirements
<1Mbps 10Mbps 100Mbps >1Gbps data
rate
>1s
100ms
10ms
1ms
Late
ncy
VR
Tactile internet
AR
Multi-person video call
Office in cloud
Autonomous car
Real time gaming Disaster alert
Automotive ecall
Sensors
Device remote control
Bi-directional remote control
Mobile video
Personal cloud
v
Source: GSMA & Huawei Wireless X Labs
Challenges of Service Experience Challenges of Network Requirements
100Mbps~1Gbps [10~20]Gbps
10Mbps/m2
EE 100x IMT-A
10^6/km2
Connection 1ms
Latency
500km/h
cell edge user data rate
cell average SE
[3+]x IMT-A
Global 5G Trial Spectrum Plan
China EU
Japan
Korea
US
• Product R&D Trial : 2018
• 3.4-3.6GHz
• eMBB, NB-IOT, Internet of vehicles
• Standalone
• 2019 Pre commercial
• <6GHz, C-Band
• eMBB、IoT
• Non-Standalone
• 2020 commercial
• <6GHz, C-Band
• eMBB
• Non-Standalone
• 2018 Winter Olympic,2020 commercial
• 28GHz, [C-Band]
• eMBB、Internet of vehicles
• Standalone Non-Standalone?
• 2017
• 28GHz,39GHz
• WTTX
• Standalone
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5G Ecosystem
Standard Unification
Technology Enabler
Spectrum Global Harmonization
…
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Higher Frequency: G30/G40 as complementary
76
214
65
17
433
148
45
63
180
48
12
374
113
32
59
145
26
5
313
67
16
0 50 100 150 200 250 300 350 400 450 500
InH
UMi (O2O)
UMi (O2I, low loss)
UMi (O2I, high loss)
UMa (O2O)
UMa (O2I, low loss)
UMa (O2I, high loss)
Coverage distance (m)
DL link-budget for 1Gbps 70 GHz 40 GHz 30GHz
Penetration Loss
• G30/G40 Bands: for hotspot O2O & indoor deployment
• 30GHz over 3.5GHz: 12dB Extra penetration loss
11.7dB
5.5dB
12dB
8dB
Coverage hole ratio
Low O2I penetration loss
High O2I penetration loss
30GHz 40GHz 70GHz 30GHz 40GHz 70GHz
Umi 9 % 18 % 65 % 55 % 70% 80 %
Uma 15% 24 % 66 % 60 % 70 % 81 %
Key assumption: For Group30/40/70, bandwidth is 1/1/2 GHz, BS antenna configuration is (M,N,P) = (8/8/32,16,2), 32ports, MS antenna element number is 32, 80%/20% indoor/outdoor user ratio, 3D indoor user distribution according to TR 36.873.
Coverage
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Sub 6GHz: the core 5G Spectrum
10 50 40 30 20 60 80 70 1 5 4 2 6 3
Below 6GHz
GHz
(GHz) 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9
Japan
Korea
EU
USA
China
Available to MBB
Being considered
by regulators
Potential for MBB
C-band: Global Harmonization
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C-Band Deployment Speeded up w. UL/DL Decoupling
UL PUSCH Coverage
DL PBCH Coverage
DL PDSCH Coverage
Bottleneck
UL is the Coverage Bottleneck
• Co-site deployment of C-band with LTE low freq. band
• UL/DL decoupling to eliminate C-band UL coverage
bottleneck.
• Fast introduction of NR with spectrum sharing
instead of refarming to protect LTE investment.
Sub3GHz for UL, C-Band for DL&UL
800/900MHz(UL)
1.9G Hz 2.3GHz
3.5GHz
2.6GHz
1.8GHz (UL)
Low UL traffic load in LTE at Sub3GHz
0
10
20
30
40
50
60
70
PRB utilization ratio
DL PRB Utility Ratio(%)
• MBB traffic asymmetry: DL : UL traffic = 4~10 : 1
Operator A Operator B Operator C
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C-Band/SUL Combination Standardization NR-LTE co-existence has been adopted into R15 NR-WID scope(RAN#75)
- Support co-existence of LTE UL and NR UL within the bandwidth of an LTE component carrier
- specify at least one NR band/LTE-NR band combination for this operation
LTE/ NR Shared UL
F
T
LTE DL
NR TDD/SDL
Band
FDD
N_
SR
S
N_
GP
N_
SR
S
N_
GP
NR
NR UL LTE UL
NR UL
LTE
PUCCH
LTE
SRS
LTE
NR NR
SRS
NR Guard
Period
Dynamic UL sharing Static/semi-static UL sharing
Proposed frequency ranges for NR/LTE Co-existence Operators
1710-1785MHz (UL)/3.3-4.2 GHz*(DL&UL) CTC, CUC, CMCC, DT (1800MHz)
832-862MHz (UL)/3.3-4.2 GHz*(DL&UL) Orange, Telefonica, DT, ET (800MHz)
880-915MHz (UL)/3.3-4.2 GHz*(DL&UL) CMCC (900MHz)
703-748MHz (UL)/3.3-4.2 GHz* (DL&UL) Orange, Telefonica, ET (700MHz)
LTE/ NR Shared UL
F
T
L_U L_U N_U
LTE UL
1ms
L_U L_U N_U
L_
SR
S N_U
N_U L_U N_U
L_
SR
S
LTE DL
NR TDD/SDL
Band N
_S
RS
N_
GP
N_
SR
S
N_
GP
NR
FDD
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3GPP 5G Standard Roadmap
2015 R13~14 2018 R15 ~
2015 2016 2018 2019 2020 2017
Rel-13 Rel-14 Rel-16
Requirement Spec
Evaluation
Rel-17
LTE-Advanced Pro
WRC-15
WRC-19
LTE Further Evolution
Non-standalone NR
Standalone NR
5G Evaluation
Criterion
NR WI NR WIs for R16 NR WIs for R17
5G New Radio SI 5G evaluation SI
5G Proposal
ITU Workshop
Rel-15
SA2 WI: 5G New Core phase-I
SA2 WIs: 5G New Core phase-2
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3GPP Rel-15 5G Deployment Options
LTE-NC (NSA)
Phase1.1(2017.12) Phase1.2 (2018.6)
LTE NR
EPC
Opt.3 – Non-standalone LTE-Assisted with EPC
eLTE NR
NextGen Core
Opt.7 – Non-standalone, LTE-Assisted with NGCN
NR
NextGen Core
Opt.2 – Standalone NR with NGCN
eLTE
NextGen Core
Opt.5 – Standalone LTE Rel-15 with NGCN
LTE-NC (SA)
Standalone Non-Standalone
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5G RAN Key Enabling Technologies
UAI
(Unified Air Interface)
RAT Agnostic
Technologies
•Self-contained sub-
frame
•F-OFDM / Polar code
• Massive MIMO
• NB-IoT
• Grant Free
UCNC
(User Centric No Cell)
• Hyper Cell
• CloudRAN
• CloudAir
•UDN & Hetnet
•Simplify Mobility
•Mix-Numerology
•Narrow band &
wide band
•Low Latency
Higher
Spectral Efficiency
• CCH BF & M-MIMO
• Flexible duplex
• F-OFDM
• Multi-antenna
• UL/DL traffic
asymmetric
• Light overhead
•Further eMBB enh.
•MMTC
•URLLC
Enablers
Focus
Framework
5G is much more than Massive MIMO
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SOC (Service Oriented Core)
Cloudified Architecture
Database
Load Balance
USN UGW MSE
• Service Based Architecture • On demand slicing • Access Agnostic • AR/VR, V2X, undirected
connection, Industry internet..
5G Core Network Evolution Roadmap
User Plane
Control Plane
DC DC DC
Distributed Deployment
Edge DC
Edge DC
Center DC
User Plane
• CUPS Based • On demand deployment • MEC, mCDN, Smart Campus,
Smart Stadium
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5G Trial in China
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• Verify 5G key technologies
• Promote 5G technologies R&D
• Promote standard consensus on 5G key technologies
5G Technology R&D Trial Launched in China
2016 2017 2020 2015
Step 1: Key tech trial
Step 3: System trial
2018 2019
Phase 1: Technology R&D Trial
Phase 2: Product R&D Trial Step 2: Tech scheme trial
• Single BS performance test to verify the 5G key features
• Multi-cell network verification
• 5G typical service demo
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Step-2 of 5G Technology R&D Trial
Six leading vendors participation
Huairou, Beijing
Requirements
Common Test/Trial Sites
Common Test Requirement
• Common trial equipment specification and trial platform
• Common trial test specifications and test cases
• Open test interface
Common Test Frequency
• Low Frequency:3.4-3.6GHz (might expand)
• High Frequency:Encourage the system vendor to conduct the
high frequency test, in the absence of allocation of specific trial
high frequency band, the trial can be conducted at indoor lab.
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Test Scenarios and Baseline in Step-2
7 scenarios
ITU scenarios
Wide Area Coverage
Hotspot with High capacity
Ultra-reliable Low latency
Low Power Consumption Massive Connections
Hybrid Scenarios
Higher bands and lower bands
Other Scenarios
Lower Frequency
Higher Frequency
Baseline for passing the test
• Test completion in scenarios with wide area coverage and IoT.
• Support to interconnect and interwork with at least one chip manufacturer and one instrument manufacturers .
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Huawei Trial in Huairou
Wide Area Coverage Cell peak data rate > 11.7Gbps Single user data rate > 1.6Gbps
Ultra-reliable Low latency User plane air-interface delay < 1ms
Massive Connections 4 million/MHz/cell
Hybrid Scenarios Cell peak data rate>8.29Gbs; delay<1ms,
4million connections
64 Channels 200MHz BW 12 UEs
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Thank you!