5G CONCEPT.pdf
Transcript of 5G CONCEPT.pdf
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5G Concept
IMT-2020 (5G) Promotion Group
2015-02-11
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1980s 1990s 2000s 2010s
1G 2G 4G3G
• OFDMA
• 100M ~ 1Gbps(peak data rate)
• MBB
• FDMA
• Analog voice
• TDMA
• Digital voice• Low-data-rate
services
• CDMA
• 2 ~ Tens of Mbps(peak data rate)
• Multimedia
5G has been a global R&D focus
5G standardization is expected to be launched in early
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Mobile Data Traffic: Thousands of times growth Mobile Internet & IoT Connection
5G Main drivers: Mobile Internet and
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5G Vision and Requirements
User experienced data rate is
as the most import
5G Vision 5G Key Capabilit
“Information a finger away, everything in touch”
“信息随心至,万物触手及”
User experienced data rate
0.1~1Gbps
Connect
1 mill
Traffic volume density
Tens of Tbps/km2
Peak data rateTens of Gbps
E2
Mobili500km
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Seamless Wide-Area Coverage
• User experienced data rate
• Peak data rate: Tens of Gb
• Traffic volume density: Ten
• User experienced data rate: 100 Mbps
High-Capacity Hot
5G Technical Scenarios and Challeng
Mainly for Mobile Internet
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Low-Latency High-Reliability Low-Power Massive-Con
• Connection density: 106 / k
• Ultra-low power consumpt
• Ultra-low cost
• Air interface latency: 1 ms
• End-to-end latency: ms level
• Reliability: nearly 100%
5G Technical Scenarios and Challeng
Mainly for IoT (new scenarios)
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• Most important way to meet
• Research areas: interference
cell, joint access and backha
• Benefit to spectral efficiency, connection
capability, and latency in various scenarios
• Candidate schemes: SCMA, PDMA, MUSA,
NOMA, etc.
5G Key Wireless Technologies
Novel Multiple Access
SCMA
MUSA
PDMA
Ultra-Dense Networ
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• High / low, paired / unpaired, lcontiguous / non-contiguous b
• Key issues: Channel measureunified access for low and hig
components
• Improve the spectral efficiency of multi-usersystems by several folds
• Key issues: Channel estimation andfeedback, reference signal design, antenna
array design, and low-cost implementation
5G Key Wireless Technologies
Massive MIMO All-Spectrum Acce
High
Low frequen
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Other Potential Wireless Technologi
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Scenarios & Key Wireless TechnologSeamless wide-area coverage• Massive MIMO
• Novel multiple access
• Adv. modulation and coding• Flexible duplex
Low-power mas• Novel multiple acc
• FBMC / F-OFDM
• D2D communicati
• Adv. modulation a
High-capacity hot-spot• Ultra-dense networking
• Massive MIMO
• Novel multiple access
• Flexible/Full duplex
Low-latency • Short frame & o
• Novel multiple a
• D2D communica• Adv. MCS & retr
6GHz0
All-Spectrum Access
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5G Network Architecture
Challenges
ms-level E2E latency
1000x traffic growth
Reliable & flexible
QoS
New
scenarios & services
Easier deployment,management &
maintenance
“ Three Clouds” Network Ar
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5G Key Network Technologies
Physical infra
Personalized network
New RAN Architecture
Resource Control and ServiceSteering
Customer-centric Net
•Custo
•Simpmana
•Servioptimuser
Mobile CDN
• C/U decouple
• Multi-RATs coordination
• Multi-architecture (C-RAN/D-RAN/Mesh)
• Plug-and-play
•2 levels contentoffloading (RANand CN)
•ms latency &high data rates
•Good experience
•Real-time trafficmonitor
•Per-app resourcereservation
• Intelligent valueadded serviceprovision
Network Cap
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5G Concept
Novel Multiple
Access
Ultra-Dense
NetworkMassive MIMO
All-
New Network Architecture
Gbps User Experienced Data RateThe core KPI
The group of key
technologies
5G Concept = “A Core KPI + A Group of Key Technolog
• Connection density
• Traffic volume density • Spectral efficiency
• Energy efficiency
•• Peak data rate
• E2E Latency
•
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5G Technology Roadmap
Note: The next-generation WLAN (802.11ax) is considered as an important supple
New Air Interface
4G Evolution
• New design withoutconsidering backward
compatibility
• Enhancement based on
4G framework
5G
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5G Time Plan
2014 2015 2016 2017 2018 2019 202
Workshop WRC-19
Evaluation &specification
Tech. requirements &Eval. methodology
Proposalsubmission
Vision, technology trend &spectrum
5G Research 5G Standard Product
Rel-14
(5G SI)
Rel-15
(5G SI/WI)
Rel-16
(5G Enh)
WRC-15
Rel-10 ~ 13
(4G & 4G Enhancement)
2013
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Summary
• The core KPI
• Gbps user experienced data rate
• Key technologies
• Novel multiple access
• Ultra-dense networking• Massive MIMO
• All-spectrum access
• New network architecture
• Technology roadmap
• New air interface
• 4G evolution
• Technical scenarios
• Seamless wide-area• High-capacity hot-s
• Low-power massive
• Low-latency high-re
5G Concept 5G Roadmap & Scen
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IMT-2020 (5G) Promotion Group is willing to stren
international collaboration to promote globally u
5G standardization and industrialization.
www.imt-2020.cn
THA