Radio Technologies for Spectrum Above 6 GHz - A Key Component of 5G -

Transcription

1 Radio Technologies for Spectrum Above 6 GHz - A Key Component of 5G - Dr Maziar Nekovee Chief Engineer, Lead European 5G Research & Collaborations Samsung Electronics R&D, UK 5G Radio Technology Seminar IET, London, 17 March 2015

2 Overview 2

3 Global & European 5G R&D Activities 3

4 Global R&D Activities Current Global 5G Research Initiatives and Samsung s Active Engagements 5G PPP Association (Full Member) Terminal Sector Rep. 5G Forum Executive Board Member Member of Giga KOREA Project 5GIC Founding Member NYU Wireless Center (Board Member) IMT-2020 Promotion Group Member of Future Forum Contributor to 863 Project 5GMF (5G Mobile Promotion Forum) 4

5 Samsung s European 5G Activities Samsung Electronics R&D UK o Based in Staines (near Heathrow), 200+ R&D staff o Branch in Espoo, Finland o Satellite team in Netherlands Samsung s 5G Activities in Europe o Strategic 5G (& IoT) collaborative research o Part of Samsung s global 5G & IoT R&D o Key roles in ETSI, 3GPP, GSMA, ATSC/DVB o Spectrum regulations UK is the hub of Samsung s European collaborative 5G R&D o Horizon 2020 s 5G Infrastructure Association Samsung is elected member (device terminal sector) o 5G PPP projects Samsung leads 5G PPP mmmagic consortium and is heavily involved in METIS-II and FANTASTIC-5G o 5G Innovation Centre at Surrey University (5GIC) o COST IC1004 on channel models

6 5G PPP projects call 1 CTOs press event, Mobile World Congress 2015 Source: 5G Infrastructure Association 6

7 UHD TV/streaming Immersive and interactive 3D services Ultra-responsive mobile cloud Ultra-dense deployment > 6 GHz Air Interface for 5G & network architecture Integrated Selfbackhaul/fronthaul mm-wave Based Mobile Radio Access Network for Fifth Generation (5G) Integrated Communications Horizon 2020 Public Private Partnership Consortium Coordinator: Samsung Electronics, Europe Ltd. Technical Management: Ericsson AB WRC 19 & 3GPP engagement

8 insights/2015/samsung-5g-vision-0.pdf 5G Vision & Key Requirements 8

9 5G Service Vision Everything on Cloud Immersive Experience Ubiquitous Connectivity Telepresence Desktop-like experience on the go Lifelike media everywhere An intelligent web of connected things Real-time remote control of machines 9

10 Key requirements & enabling technologies Key Technologies Tech. for Above 6 GHz Adv. Coding & Modulation Adv. MIMO & Beamforming Enhanced D2D Adv. Small Cell Interference Management Flat Network Multi-RAT Interworking Mobile SDN -5G fronthaul and backhaul -5G Network architecture -5G spectrum coexistence 10

11 Enabling Technologies : RAN & NW 11

12 Enabling Technologies - RAN (1/2) Disruptive RAN Technologies for Significant Performance Enhancements Peak Data Rate Cell Edge Data Rate Cell Spectral Efficiency Technology for Above 6 GHz Peak Data Rate Increase Post-OFDM Spectral Efficiency & Cell Edge Enhancement Advanced MIMO & BF Cell Capacity Enhancement Mobility Cost Efficiency Simultaneous Connection Latency Peak Rate 1 Gbps 4G frequencies Frequency band Peak Rate 50 Gbps New higher frequencies FSK FQAM QAM Filter-Bank Multi-Carrier Half -wavelength BF : Beamforming 12

13 Enabling Technologies - RAN (2/2) Disruptive RAN Technologies for Significant Performance Enhancements Peak Data Rate Cell Edge Data Rate Cell Spectral Efficiency Mobility Cost Efficiency Enhanced D2D Areal Spectral Efficiency Increase Advanced Small Cell Capacity & Cell Edge Enhancement Wireless backhaul Increased density Interference Management Cell Edge Data Rate Enhancement Simultaneous Connection Latency Enhancing areal spectral efficiency No cell boundary Interference alignment D2D : Device-to-Device 13

14 Enabling Technologies - Network Innovative Network Technologies for Enhanced User Experience and Cost Reduction Peak Data Rate Cell Edge Data Rate Cell Spectral Efficiency Flat Network E2E Latency Reduction Multi-RAT Interworking Radio Capacity Enhancement Mobile SDN Flexibility & Cost Efficiency Increase Mobility Cost Efficiency Core Network Central Controller Simultaneous Connection Latency UE BS Server Internet Server 4G enb Wi-Fi 5G BS UE BS Switch SDN : Software Defined Network 14

15 5G Timelines Evaluation WRC-15 Requirements Proposals PyeongChang Winter Olympics WRC-19 Specifications Tokyo Olympics RAN 5G Workshop Rel-13 CM Rel-14 (18month) 5G Phase 1 Rel-15 5G Phase 2 Initial 5G Commercialization Initial 5G 5G Commercialization Rel-16 5G Phase RAN 5G Workshop CM Rel-13 Rel-14 (15M) Rel-15 (15 M) Rel-16 (15M) Rel DMC R&D Center

16 Recent R&D Results Above 6 GHz 16

17 Immersive Experience As-Is Limited High Quality Experience To-Be Constant Ultra High Quality Experience AR / VR Hologram 720p HD 12 users 8K UHD > 100 users User Experience Loading Delay 1.6 sec* LTE Cell Capacity Cell Throughput 64 Mbps [1] Requirements for Immersive Service E2E NW Latency < 5 ms Cell Throughput > 10.0 Gbps * Assuming 720p HD, 1 sec buffering, E2E latency 50ms and TCP connection Required Bandwidth 720p HD [2] : 5 Mbps 8K UHD [3] : 85 Mbps [1] 3GPP Submission Package for IMT-Advanced, 3GPP Contribution RP [2] [3] AR : Augmented Reality VR : Virtual Reality 17

18 Everything on Cloud As-Is Lagging Cloud Service To-Be Instantaneous Cloud Service Latency : ~ 50 ms [1] Latency : ~ 5 ms Cloud Service Cloud Service ~ 20 min (Worldwide Avg.) to download HD movie (1.2GB) ~ 9.6 sec to download HD movie (1.2GB) Cloud Service Initial Access Time * Provider A 82 ms Provider B 111 ms Provider C 128 ms LTE Downlink Performance [2] World 7.5 Mbps Korea 18.6 Mbps America 6.5 Mbps Requirements for Mobile Cloud Service E2E NW Latency < 5 ms Data Rate > 1.0 Gbps Access Time Desktop HDD [3] 8.5 ms * Top 3 Cloud Service Provider measured in Suwon Office (2013) Including connect time and response time [1] Signals Ahead, AT&T Drive Test Results and Report Preview, 2011 [2] The State of LTE, OpenSignal, 2014 [3] Seagate ST2000DM001 (2TB, 7200rpm Transfer Rate 1.2 Gbps 18

19 Superior User Experience Uniform Experience of Gbps Speed and Instantaneous Response Latency Cell Edge Data Rate 1 Gbps Anywhere E2E Latency < 5 msec QoE BS Location 5 ms 50 ms A Tenth of E2E Latency QoE Cell Edge BS Location Uniform Experience Regardless of User-location 10 ms 1 ms Air Latency < 1 msec E2E Latency A Tenth of Air Latency Air Latency 19

20 Wider Bandwidth for 5G Where to find more than 500 MHz Contiguous Spectrum Globally Below 6 GHz Above 6 GHz (Mobile Service in the ITU-R Radio Regulations) 300 MHz 6 GHz MS, FS, FSS MS, FS, FSS MS, FS, FSS MS, FS, FSS GHz < 1 GHz [MHz] , /698, 694/ [1] Region GHz [MHz] 2-3 GHz [MHz] 3-5 GHz [MHz] , /1525/1527, / , , , (4200), GHz , [MHz] Global Interest Bands for WRC-15 Region 2 Region MOBILE Co-Primary Current Usage US : LMDS, FSS EU : Fixed P-P Link FSS Earth Station Korea : Maritime Use Current Usage US : Fixed P-P System EU : Fixed P-P Link Korea : Broadcasting Relay [1] WRC-15 AI 1.2 MS : Mobile Service FSS : Fixed Satellite Service LMDS : Local Multipoint Distribution Service FS : Fixed Service P-P : Point to Point 20

21 Global activities above 6 GHz Published 19/05/2014 Published 16/01/2015 Published 17/02/

22 Channel Measurements (1/2) Three Types of Environments : In-Building, Campus, and Urban at 28GHz In-Building Campus Urban Similar to Indoor Shopping-Mall - Five-story Building - Spacious Atrium Lobby Suburban Environments - KAIST Outdoor Campus - Tx Height 15 meters Urban Environments - Daejeon City - Tx Height 15 meters Tx Tx Total 35 Rx Locations - Both for LoS and NLoS - Tx-Rx Distance : 10m ~ 55m Total 25 Rx Locations - Mainly for NLoS - Tx-Rx Distance : ~ 270m 11 Rx Locations - Mainly for NLoS - Tx-Rx Distance : ~ 200m 22

23 Channel Measurements (2/2) Large and Small Scale Channel Modeling to Produce SCM for High Frequency (28GHz) Pathloss (Urban) Currently 11 Rx Locations Available - All NLoS with 1 or 2 Reflections - Pathloss Exponent around 3 - Shadowing Factor 6.3 db Clustering (Urban) K-Power-Means Algorithm - Based on Synthesized Omni Results - 10 Clusters are Good Compromise (3GPP SCM : 6, WINNER : 8~20) Angle and Delay (Urban) Small Angle & Delay Spread - AoD : 5, AoA : 25-90% RMS Delay : 55 ns 23

24 mmwave Testbed - Overview World s First 5G mmwave Mobile Technology (May, 2013, 1 st announcement) Adaptive array transceiver technology operating in mmwave frequency bands for outdoor cellular 25 mm 42 mm 45 mm 5 mm 24

25 Test Results Non-Line-of-sight, low mobility Samsung DMC R&D IoT & Communications Research Team 25 Outdoor Non-Line-of-Sight (NLoS) Mobility Tests - Adaptive Joint Beamforming & Tracking Supports 8 km/h Mobility even in NLOS Mobility Support in NLoS Beam tracking period for Tx-Rx best beam pairs is 45 ms. Best beam pairs are selected by Mobile Station Mobility support up to 8 km/h at outdoor NLoS environments 16-QAM (528Mbps) : BLER 0~0.5% QPSK (264Mbps) : Error Free Base Station Mobile Station [ DM Screen during Mobility Test]

26 mmwave Testbed - Recent Updates World s First 5G Data Transmission at Highway Speeds (Oct, 2014) Record-breaking 1.2Gbps data transmission at over 100km/h, and 7.5Gbps in stationary conditions using 28GHz spectrum 5G Mobility Test Peak Data Rate 7.5Gbps [1] Samsung Electronics Sets 5G Speed Record at 7.5Gbps, Over 30 Times Faster Than 4G LTE, Samsung Tomorrow, 15 Oct ( 26

27 Simulated User Experience Simulations are Based on Ray-Tracing in 28 GHz for Multi-Cell Deployment Scenario Total of 10 Small Cell BSs to Provide Coverage of 928 m x 586 m within a Dense Urban City At least 4 Gbps User Throughput Expected Using 1 GHz Bandwidth Samsung DMC R&D Center, 5G mmwave communications, YouTube, 21 April ( 27

28 Device Feasibility - Antenna Implementation for Devices 32 Elements Implemented on Mobile Device with Zero Area and 360 o Coverage Zero Area Design 16 Element Array < 0.2 mm Negligible Area for Antennas In Edges 16 Element Array Normalized Gain (dbi) Measurement Results Angle (deg) 28

29 mmwave Antenna/RFIC 60GHz Antenna and RFIC Based on IEEE ad 360 Coverage antenna and 16-chain beamforming CMOS RFIC (Tx/Rx EVM -25 db) 60GHz Antenna 60GHz Module with Array Antenna 60GHz deployment scenario/pre-5g Beamforming CMOS RFIC EVM -25 db End-Fire Antenna Area for Ant. CMOS RFIC Tx/Rx EVM 16-chain Beamforming Dual-Pol. Antenna Module size: 9.0 X 7.9 mm Coverage Polarization Loss < 3 db D2D Active Measurement System Client Server Embedded BB Embedded BB Measured Low Phase Noise Phase Noise 1 2 Phase Noise -99 dbc/hz 29

30 Deployment Scenarios 30

31 5G Deployment Scenarios Bird s Eye View of Chicago Deployment Scenarios 31

32 5G Deployment Scenarios Existing 4G Deployments Deployment Scenarios 4G base stations 32

33 5G Deployment Scenarios 5G Small Cells Overlayed in 4G Networks (non-standalone) Reduced CAPEX/OPEX for initial deployment ; Data and control plane split Deployment Scenarios 5G small cells data control/signalling 33

34 5G Deployment Scenarios 5G Standalone System Full capability standalone 5G systems will cover the area of a city (stand-alone) Deployment Scenarios 5G macro/pico cells 5G macro/pico cells 34

35 Coexistence in 28 GHz with Fixed Satellite Systems (FSS), initial study Dense deployment of mmwave cellular base stations in 28 GHz - Co-channel interference from FSS and aggregate interference for other BS considered - Analogue beam-forming at BS; random distribution of UE s (omni) Parameters Carrier Frequency 28GHz Bandwidth 500 MHz Max. Tx Power 30dBm Number of antenna elements Up to 64 CDF BS : Base Station FSS : Fixed Satellite System UE : User Equipment 2014 Samsung Electronics 35

36 28 GHz scenario results (1/2) 2015 Samsung Electronics Slide 36 of Satellite earth station 5G small cells 5G small cell deployment in 28 GHz showing user throughput in the absence (left panel) and presence (right panel) of interference from fixed satellite earth station, positioned in the centre.

37 28 GHz scenario results (2/2) 2015 Samsung Electronics 37 Throughput of the users most affected by FSS for different values of keep-out radius

38 Thank You Copyright 2014 Samsung Electronics Co. Ltd. All rights reserved. Samsung is a registered trademark of Samsung Electronics Co. Ltd. Specifications and designs are subject to change without notice. Non-metric weights and measurements are approximate. All data were deemed correct at time of creation. Samsung is not liable for errors or omissions. All brand, product, service names and logos are trademarks and/or registered trademarks of their respective owners and are hereby recognized and acknowledged.

39 References [1] Samsung Announces World s First 5G mm- Wave Mobile Technology, Samsung Tomorrow, 13 May ( [2] Wonil Roh, Performances and Feasibility of mmwave Beamforming Prototype for 5G Cellular Communications, ICC 2013 Invited Talk, Jun ( mmwave%20invited%20talk_roh.pdf) [3] Samsung s Vision of 5G Wireless, IEEE Spectrum for the Technology Insider, Jul ( jsp?arnumber= ) [4] Z. Pi and F. Khan, An introduction to millimeter-wave mobile broadband systems, IEEE Commun. Mag., vol. 49, no. 6, pp , Jun [5] T. Kim, J. Park, J. Seol, S. Jeong, J. Cho, and W. Roh, Tens of Gbps support with mmwave beamforming systems for next generation communications, IEEE Global Telecomm. Conf. (GLOBECOM 13), Dec [6] The 5G phone future: Samsung s millimeter-wave transceiver technology could enable ultrafast mobile broadband by 2020, IEEE Spectrum, vol. 50, pp , Jul [7] T. Rappaport, S. Sun, R. Mayzus, H. Zhao, Y. Azar, K. Wang,G. Wong, J. Schulz, M. Samimi, and F. Gutierrez, Millimeter wave mobile communications for 5G cellular: It will work! IEEE Access, vol. 1, pp , May [8] Azar, Y., Wong, G. N., Wang, K., Mayzus, R., Schulz, J. K., Zhao, H., Gutierrez, F., Hwang, D., Rappaport, T. S., 28 GHz Propagation Measurements for Outdoor Cellular Communications Using Steerable Beam Antennas in New York City, Published in the 2013 IEEE International Conference on Communications (ICC), June 9 ~13, [9] S. Hong, M. Sagong, and C. Lim, FQAM : A Modulation Scheme for Beyond 4G Cellular Wireless Communication Systems, IEEE Global Telecomm.Conf. (GLOBECOM 13) Workshop, Dec [10] Wonil Roh, et al., "Millimeter-Wave Beamforming as an Enabling Technology for 5G Cellular Communications: Theoretical Feasibility and Prototype Results, IEEE Communications Magazine, Feb [11] Wonil Roh, 5G Mobile Communications for 2020 and Beyond - Vision and Key Enabling Technologies, IEEE WCNC 2014 Keynote, Apr [12] Kyungwhoon Cheun, 5G Mobile Communications for 2020 and Beyond - Vision and Key Enabling Technologies, IEEE VTC 2014 Spring Keynote, May [13] Ji-Yun Seol, 5G Mobile Communications for 2020 and Beyond - Vision and Key Enabling Technologies, IEEE ICC G Workshop Panel Talk, Jun [14] Wonbin Hong, et al., Study and Prototyping of Practical Large Scale mmwave Antenna System for 5G Cellular Devices, IEEE Commun. Mag., vol.52, pp , Sep [16] Theodore S. Rappaport, Wonil Roh & Kyungwhoon Cheun, Mobile Millimeter-Wave Makeover, pp , Sep [17] Samsung Electronics Sets 5G Speed Record at 7.5Gbps, Over 30 Times Faster Than 4G LTE, Samsung Tomorrow, 15 Oct ( [18] F. Guidolin, M. Nekovee, et al, A Study on the Coexistence of Fixed Satellite Service and Cellular Networks in a mmwave Scenario, IEEE ICC 2014 (accepted) [18] F. Guidolin, M. Nekovee, A Cooperative Scheduling Algorithm for the Coexistence of Fixed Satellite Services and 5G Cellular Network, IEEE ICC 2014 (accepted)

40 Back-up slides 40

41 Device-to-Device Location-Based Proximity Services and Areal Capacity Enhancement Accurate Positioning Areal Capacity Enhancement D2D Beacon Desired Signal Interfered Signal X X X Transmission based on Rx decision Signal to Interference < Proximity Services Interference-Aware Resource Allocation Algorithm (IARA) N : #UE of involved in location estimation Location Estimation N = 10 N = 5 N = 3 Accuracy enb only < 100 m [1] D2D Assisted < 20 20MHz BW, Uniform Distribution IARA *Location Accuracy D2D Assisted : ~20m ( enb Only : ~100m) x 2.4 [1] Positioning with LTE, Ericsson, Sept g PHY 41

42 Advanced Coding and Modulation (1/2) New Waveform Design for Exploiting Non-Gaussianity of Channel Higher Spectral Efficiency Capacity of Non-Gaussian Channel is Higher than that of Gaussian Channel I 1 Waveform Design To Make Interference Statistics Non-Gaussian Interference Non-Guassian Interference Non-Gaussian Channel C Non Gaussian > C [1] S I 2 Desired Signal Interference 2 Interference Non-Guassian Interference Statistics Gaussian where C = Wlog SNR Interference [1] I. Shomorony, et al., Worst-Case Additive Noise in Wireless Networks, IEEE Trans. Inf. Theory, vol. 59, no. 6, June

43 Advanced Coding and Modulation (2/2) FQAM : Exemplary New Waveform for Non-Gaussian Interference Feasibility Study (FQAM) Desired enb & Two Interfering enbs Performance Verification Three Times Data Rate at Low SINR Regions * FQAM : Hybrid Frequency Shift Keying and Quadrature Amplitude Modulation 43

44 50 cm 100 cm FD-MIMO (Full-Dimension MIMO) (1/2) Higher Order MU-MIMO with 3D Beamforming Capability MU-MIMO 3D Beamforming Indoor Lab. Test Elevation Beamforming FD-MIMO enb IP LTE Infrastructure CPRI High order MU-MIMO transmission to more than 10 UEs Azimuth Beamforming 50 cm FD-MIMO Prototypes Macro-Cell BS (LTE Rel.9) Small-Cell BS (LTE Pre-Release) Outdoor Field Test 30 cm Macro-Cell Small-Cell Carrier Freq. 2.6GHz 3.5 GHz BW 10 MHz 20 MHz Max. Tx Pwr 40 dbm 33 dbm Array Gain 21 dbi 15 dbi # TXRUs

45 FD-MIMO (Full-Dimension MIMO) (2/2) Deployment Model 2-Tier Wrap-Around Model - 19 cell / 2-tier wrap around (Total 133 cells) - 3D UMi, 200m ISD - 3 sector / cell 2D Antenna Panel Form-Factor - Cross-pol(+45 /-45 ) antenna - Antenna spacing between antenna panels: /2 (c.f., = 2.5GHz) Average Cell Throughput System Throughput - Total antenna elements : 64 - ~250% performance gain compared to LTE Rel % Example: 64 Digital Chains (M,N,K)=(8,4,1) 32 Digital Chains (M,N,K)=(8,4,2) [1] [2] Subarray (K=2) Note1 : Rel.10 4x2 MU-MIMO Note2 : (M, N, K) means that M horizontal ant., N vertical ant., K ant. per subarray 45

46 Test Results Multi-User Support Multi-User Communication Tests Gbps aggregate throughput in MU-MIMO mode - Hybrid beamforming technology MU-MIMO Configuration PARAMETER Carrier Frequency Bandwidth Max. Tx Power Beam-width (Half Power) Multiple Antenna VALUE GHz 800 MHz 37 dbm 10 o 2x2 MIMO BS RFU MS RFU 1 BS Modem MS RFU Gbps 1.24Gbps MS Modem 1 MS Modem 2 Samsung DMC R&D IoT & Communications Research Team 46