Next-generation Mobile Communications System: 5G

Transcription

1 Next-generation Mobile Communications System: 5G

2 Evolution of Mobile Technology Steady evolution toward higher capacity and data rates 1G Analog 2G Digital 3G IMT-2000 LTE 4G IMT-Advanced IMT-Advanced 5G LTE-Advanced 1980s 1990s 2000s 2010s 2020s

3 Communications in 2020 and Beyond Everything connected by wireless Extended and enriched wireless services Multiple personal devices Transportation (Car/Bus/Train) Video streaming New types of terminals/hi 4K Consumer electronics Watches/ jewelry/clothes Healthcare Education Houses Sensors Cloud computing Safety and lifeline systems

4 5G Target Performance 5G radio access will provide a total solution for a wider range of requirements in 2020 and beyond 1000x capacity/km 2 Higher system capacity Higher data rate Typical data rate: 100x faster (Peak data rate: > 10Gbps) 5G Reduced latency RAN latency: < 1ms Massive device connectivity 100x more connected devices (e.g., crowded areas, M2M services) Energy savings & cost reductions Energy savings for networks & terminals Reduced network costs, incl. backhaul

5 Schedule for 5G and 5G x Commercial system development for 5G by 2020 WRC15 Requirements Workshop Proposals 5G launch elte+5g New RAT WRC19 Specifications 5G+ launch Rel. 13 Rel. 14 Rel. 15 Channel Model SI Requirement SI Technology SI WIs WIs Rel. 16 WIs

6 5G Evolution for 2020 and Beyond 5G will evolve by incorporating new frequency bands and technologies in 2020 and beyond Future compatibility is key for system design to continue evolutions G 5G+ Introduction of 5G New RAT (Tight interworking with LTE) Existing frequency bands New bands licensed by 2019 Unlicensed bands More higher & wider freq. bands +New bands licensed after 2020 More advanced technologies (e.g., Massive MIMO with higher number of antenna elements) Frequency Peak: Several Gbps Peak: Above 10Gbps

7 embb and New Uses 5G will support both embb and MTC uses together with LTE evolution 5G in G+ in 202X elte Massive MTC embb New RAT Low latency Critical MTC elte Massive MTC embb New RAT Critical MTC New RAT will mainly focus on embb New RAT will be enhanced for all uses

8 5G Key Technologies for 2020 Deployment New numerology with shorter TTI Wider bandwidth and low latency f LTE t New RAT New RAT Lean radio frame Less inter-cell interference, energy saving, good forward compatibility 5G (2020) 5G 5G 5G 5G 5G 5G (202X) 5G 5G + 5G 5G ++ 5G + C/U-plane split (dual connectivity, CA) Tight LTE integration elte/new RAT (C/U-plane) New RAT (U-plane) NOMA on LTE Further cellular enhancement with massive connectivity f OMA NOMA Intentional non-orthogonality f Well localized waveform Frequency Massive MIMO/ beamforming Cell range extension Flexible duplex with unlicensed spectrum (e.g. LTE-assisted access) Licensed Band (LTE) Unlicensed Band (New RAT) IoT-related LTE enhancements Low-cost & long-battery-life devices Time Improved spectral efficiency f

9 Future Core Network Network Slices accommodate versatile services, enabling a single network to fulfill diverse requirements. 5G Slice Manager Slice 1 (M2M) Slice 2 (Low latency) Smart meters Factory automation Smart agriculture ITS LTE/LTE-A Non-cellular (Wi-Fi, LoRa, etc.) Virtualization layer Slices configured dynamically according to services shared resources

10 Results of 5G Trials

11 5G Experimental Trials (with 13 vendors) 5G experimental trials under way since Q4 of 2014 Existing bands UHF bands Ex. 800MHz, 2GHz Exploitation of higher frequency bands Low SHF bands 3-6GHz High SHF bands 6-30GHz EHF bands > 30GHz Frequency System solution vendors Key devices & chipset vendors Measuring instrument vendors

12 Ericsson s 15GHz MU-MIMO Experiment Massive-MIMO antenna BS Antenna Unit UE #1 UE #2

13 Ericsson s 15GHz Beamforming Experiment BS Antenna Unit UE #2 100m UE #1 120m

14 Ericsson s 15GHz Beamforming Experiment Base Station (BS) antenna units Mobile station (MS) 500 m MS (40 km/h) 300 m 100 m BS

15 Samsung s 28GHz Beam Tracking Experiment 56 mm 42 mm 48 (8x6) elements Supported by: NTT Access Network Service Systems Laboratories and DOCOMO Team Dandelion Racing Beam ビーム追従 tracking control Mobile station 120mm 8 antenna elements Base station Moving at nearly 150km/h Mobile station with 8 antenna elements mounted inside a 120mm x 60mm (smartphone-size) box MIMO multiplexing of 2 streams with 64QAM achieved 3.77Gbps by employing beamforming at both the base and mobile stations

16 Samsung s 28GHz Beam Tracking Experiment Beam tracking achieved max. 2.59Gbps at speeds of nearly 150km/h

17 NEC s 5.2GHz Experiments Outdoor experiment MS AASx1 Radio propagation experiments have been performed in indoor and outdoor environments to analyze channel response and angle of arrival/departure Measurement example Indoor experiment BS (AAS) MS Pole Total throughput (Gbps) BS antenna: 64 UE antenna: 2 No. of UEs: 8 No. of beams: 48 No. of beams: Average SNR (db) By using measured propagation channel data, simulations showed that proposed digital beamforming algorithms can achieve over 5 Gbps throughput for a total of 8 users

18 Fujitsu s 4.6GHz YRP Outdoor Experiment Thanks to flexible small-size antenna units, distributed deployments were compared with localized deployments in real-life experiments Distributed deployment Localized deployment Distributed deployment Experimental results show that distributed deployment (4 antennas/tp x 4TPs) can achieve higher channel capacity with stability compared to localized deployment (16 antennas/tp x 1TP) 8 UEs, 1antenna/UE

19 Huawei s 4.6GHz System Trial in Yokohama Yokohama Media Tower (base station) Yokohama Media Tower NLOS Yokohama Media Tower

20 Huawei s 4.6GHz Experiment in 5G Testbed Number of antennas BS: 64 TRX UE: 8 TRX 2 TRX Base Station (BS) User Equipment (UE) E-cart (including 2 UEs) Antenna spacing BS: 3.72cm x 5.21cm UE: 11cm RF/BBU Antenna tilting Antenna height Maximum transmit power 16.4 BS: 108m UE: 3.2m BS: 46dBm UE: 23dBm Base band unit Optical fiber Indoor facility Test vehicle 8 TRx

21 Huawei s 4.6GHz Large-scale MU-MIMO DL SU-MIMO (1s average) = 1.5 Gbps (200MHz BW, 3 layers) DL total user throughput (1s average) = Gbps (200MHz BW and 23 UEs * ) DL peak spectral efficiency (1s average) = bps/hz/cell * Number of connected UEs: 23 UEs / 200MHz (11 UEs using lower 100MHz, 11 UEs using upper 100MHz, & 1 UE using 200MHz) * Number of spatial layers: 24 layers / 100MHz (12 user & 2 layers/user)

22 NOKIA s 4.5GHz MU-MIMO experiment Outdoor environment Outdoor to Indoor more than 1.2 Gbps (BS: 6 th Floor of YRP 2 nd building; UE:Annnex-R) Outdoor LOS environment more than 500Mbps (BS: YRP parking, UE: Up to 160m from YRP parking lot) Open House (85.4m) 1 0

23 NOKIA's 70GHz 8K Transmission experiment The transmission of ultra-high-resolution 8K video was achieved by combining an experimental system developed by DOCOMO and Nokia with H.265/HEVC encoding techniques developed by NTT Media Intelligence Laboratories. In the trial, 8K video (145Mbps) was successfully transmitted. Base station Mobile station 8K Display 8K encoder 8K decoder 8K server Base station Mobile station #1

24 5G Beam Visualizer for Multi-vendors Real-time beam information from 5G multi-vender trial system added to HMD camera images

25 5G Beam Visualizer for Multi-vendors (video)

26 5G Beam Visualizer: Multi-vendor, Multi-frequency Version

27 5G Trial Sites

28 Schedule for 5G Deployment in Requirements Proposals Specifications Standardization WRC15 WRC19 Rel. 13 Rel. 14 Rel. 15 Rel. 16 Technical SI WIs WIs Research EU Projects 5G National Project in Japan 5GMF PoC Trials NTT DOCOMO Trials Trials for 5G key technologies System Trials in Tokyo 5G Trial Sites NTT DOCOMO Commercial System Development 5G commercial system development 5G commercial launch Upgrade to 5G+

29 NTT DOCOMO 5G Trial Sites Mainly Odaiba waterfront and Tokyo SKYTREE TOWN districts of Tokyo from May 2017 Tokyo SKYTREE TOWN DOCOMO cloud services 5G cell LTE cell Users can experience 5G s higher performance, higher data rate and lower latency Support mobility between 5G cells Connect to 5G cells in 5G area Odaiba waterfront Connect to LTE cells outside 5G area Support mobility between LTE and 5G DOCOMO cloud services are available via LTE network even outside of 5G area Support mobility between 5G and commercial LTE networks Utilize 28 GHz and 4.5 GHz frequency bands

30 Tokyo SKYTREE TOWN Area Trial will be conducted in/around commercial facilities of Tokyo SKYTREE TOWN and nearby Asakusa, and in trains/buses in the area. Asakusa DOCOMO will collaborate with partner companies to demonstrate the following: VR applications High-definition services And more Tokyo SKYTREE TOWN

31 Odaiba Waterfront Utilizing wide area, PoC on coverage, high mobility and connected car aspects will be addressed in this area Remote control for emergencies during autonomous driving Connected car control Support for autonomou s driving

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