5G: From Theory to Practice Senior Manager, Advanced Wireless - PowerPoint PPT Presentation

Ian C. Wong, Ph.D. 5G: From Theory to Practice Senior Manager, Advanced Wireless Research ian.wong@ni.com ni.com | NI CONFIDENTIAL 1

ITU IMT-2020 (5G) Vision 100 Mb/s everywhere 20 Gb/s 1 Gb/s hotspots 10 Mb/s/m 2 3x LTE-A 100x LTE-A 500 km/h 10 6 devices/km 2 1 ms Source: ITU-R M.[IMT.VISION] ni.com | NI CONFIDENTIAL 2

3GPP RAN Workshop on 5G Summary • 550 delegates with over 70 presentations • New radio access technology (RAT) should be able to support a variety of new services • Automotive, Health, Energy, Manufacturing ... • 3 Main Use Cases: • Enhanced Mobile Broadband • Massive Machine Type Communication • Ultra-reliable and Low Latency Image from 3gpp.org ni.com | NI CONFIDENTIAL 3

3GPP RAN1 Phase 1 and Phase 2 Phase 1 Phase 2 Parameter Guideline Notes Parameter Guideline Compatibility Forward only Tight LTE integration Compatibility Future proof mmWave 30..40 GHz > 100 MHz Bandwidth mmWave 6 … 100 GHz Frequencies Frequencies Access TDD, FDD and Access TDD, FDD flexible unlicensed duplex Peak rate 20 Gbps Use Cases All Use Cases eMBB focus Latency Build upon Phase 1 Latency 1 ms Scalable TTI Waveforms Build upon Phase 1 TTI < 100 us Deployments All Waveforms OFDM Non orthogonal options Deployments Urban Macro Urban Micro Indoor hotspots ni.com | NI CONFIDENTIAL 4

Proposed 5G Timeline Dec 19 Sept 18 RAN#71 RAN#71 Mar16 Mar16 Phase 1 Phase 1 Phase 2 Phase 2 Phase 2 Phase 2 RAN#86 RAN#70 RAN#69 RAN#72 Sep 15 Jan 20 Dec 15 Jun 16 IMT 2020 SD#23 SD#26 SD#27 SD#28 SD#34 SD#36 SD#31 SD#32 Feb‘17 Feb‘17 Jun 17 Oct 17 Feb 20 Oct 20 Oct 18 Jun 19 Evaluation Criteria Evaluation Criteria Evaluation Evaluation IMT-2020 IMT-2020 Requirements Requirements Initial Submissions Initial Submissions specifications specifications RAN1 Scope / Req’s RAN1 Scope / Req’s Channel Modeling Channel Modeling RAN1 SI Evaluation of Solutions RAN1 SI Evaluation of Solutions RAN1 WG Specification of Solutions RAN1 WG Specification of Solutions ni.com | NI CONFIDENTIAL 5

Prototyping Is Critical for Breakthrough Research “ Experience shows that the real world often breaks some of the assumptions made in theoretical research, so testbeds are an important tool for evaluation under very realistic operating conditions ” “…development of a testbed that is able to test radical ideas in a complete, working system is crucial ” 1 NSF Workshop on Future Wireless Communication Research ni.com | NI CONFIDENTIAL 6

Wireless Communications Lead User Program • Established in 2010 • Goals: Further wireless research through prototyping • Research Institutions • Academic • Industry • Over 100 research papers published ni.com | NI CONFIDENTIAL 7

5G Vectors PHY Wireless Networks Enhancements Massive MIMO mmWave Dramatically increased Consistent connectivity Improve bandwidth Utilize potential of number of antenna meeting the 1000x traffic utilization through evolving extremely wide bandwidths elements on base station. demand for 5G PHY Level at frequency ranges once thought impractical for • GFDM • Densification • NOMA commercial wireless. • FBMC • SDN • Full duplex • UFMC • NFV • CRAN ni.com | NI CONFIDENTIAL 8

5G Vectors PHY Wireless Networks Enhancements Massive MIMO mmWave Dramatically increased Consistent connectivity Improve bandwidth Utilize potential of number of antenna meeting the 1000x traffic utilization through signal extremely wide bandwidths elements on base station. demand for 5G structure improvements at frequency ranges once such as NOMA, GFDM, thought impractical for FBMC, & UFMC commercial wireless. ni.com | NI CONFIDENTIAL 9

Massive MIMO in Cellular Networks • Give basestation a large array of antennas (> 10X higher than current systems) • Time-division duplexing (TDD) • Excess antennas guarantee good channel with high probability • Large number of users can be served simultaneously T. L. Marzetta , “ Noncooperative cellular wireless with unlimited numbers of base station antennas,” IEEE Trans. Wireless Comm. , vol. 9, no. 11, 2010. ni.com | NI CONFIDENTIAL 10

NI and Massive MIMO Silicon Valley Silicon Valley A Leading A Leading Software Software Chip Vendor Chip Vendor Giant Giant INDUSTRY ni.com | NI CONFIDENTIAL 11

Massive MIMO in action Lund University setup Initial results: Received signal constellations – LOS & four users 2 m separation Vieira, Joao, et al. "A flexible 100-antenna testbed for Massive MIMO." IEEE Globecom Workshops (GC Wkshps), 2014 . IEEE, 2014. ni.com | NI CONFIDENTIAL 12

NI and Samsung Demonstrate FD-MIMO With LabVIEW Communications and LTE App Framework NIWeek 2015 “ Samsung Demonstrates FD-MIMO In Real Time For The First Time In The World…It Accelerates Its Leadership Over Competition For 5G Standard” english.etnews.com ni.com 13

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5G Vectors PHY Enhancements Massive MIMO Wireless Networks mmWave Dramatically increased Consistent connectivity Improve bandwidth Utilize potential of number of antenna meeting the 1000x traffic utilization through signal extremely wide bandwidths elements on base station. demand for 5G structure improvements at frequency ranges once such as NOMA, GFDM, thought impractical for FBMC, & UFMC commercial wireless. ni.com | NI CONFIDENTIAL 15

Future Networks Architecture Small / Pico Macro Cell Cells Macro cells + Small cells = Heterogeneous networks Source: 5GPPP, Why the EU is betting big on 5G, 2015  Highly heterogeneous and hyper dense networks that require high level of coordination ni.com | NI CONFIDENTIAL 16

Architecture for Full Protocol Stack Explorations 802.11 LTE MTC IoT Open Source Upper Layer Stack (e.g. ns-3) 802.11 Ref Design LTE Ref Design PHY/MAC Stack in LabVIEW NI Hardware ni.com | NI CONFIDENTIAL 17

NI and CROWD Collaborate on Software-Defined Networks Goal: Create a testbed for dense LTE/WiFi networks based on Software Defined Networking (SDN) for measuring performance of algorithms in real network environments • Implement cross-layer PHY/MAC algorithms • Explore Enhanced Interference Coordination Technologies • Dynamic radio and backhaul configuration • Connectivity Management Gupta, Rajesh, et al. "LabVIEW based Platform for prototyping dense LTE Networks in CROWD Project." Networks and Communications (EuCNC), 2014 European Conference on. IEEE, 2014. ni.com | NI CONFIDENTIAL 18

Texas A&M and NI Collaborate on Advanced MAC Research • Research goal • “Mechanism - Policy” separation framework for MAC analysis • Real world verification of advanced MAC algorithms • Multi-node MAC test bed • Each node by a USRP RIO • 802.11 Application Framework modified to implement various MAC protocols o CSMA/CA, CHAIN, Weighted transmission S. Yau , et al., “ WiMAC: Rapid Implementation Platform for User Definable MAC Prof. P. R. Kumar and Prof. Robert Cui Protocols Through Separation, ACM SigCOMM, Aug. 2015 ni.com | NI CONFIDENTIAL 19

Open Testbed for LTE-WiFi-Coexistance (LAA, LTE-U) Result: Starting point: • Real over the air measurements to • Extend and modify verify simulation data! LTE and 802.11 Application Frameworks 1 0.9 Normalized Throughput 0.8 0.7 0.6 0.5 LTE 0.4 Wi-Fi 0.3 0.2 0.1 0 2 4 6 8 10 LTE TxOP duration (ms) “Experimental Results on Impact of Energy Detection Threshold for DL LAA,” 3GPP RAN1 contribution R1-156622 , National Instruments ni.com | NI CONFIDENTIAL 20

5G Vectors PHY Wireless Networks Enhancements Massive MIMO mmWave Dramatically increased Consistent connectivity Improve bandwidth Utilize potential of number of antenna meeting the 1000x traffic utilization through signal extremely wide bandwidths elements on base station. demand for 5G structure improvements at frequency ranges once such as NOMA, GFDM, thought impractical for FBMC, & UFMC commercial wireless. ni.com | NI CONFIDENTIAL 21

NI and TU Dresden Collaborate on 5G Waveforms • 5G Lab and Test Bed • Rapid prototyping of Generalized Frequency Division Multiplexing (GFDM) • World’s first 2x2 MIMO GFDM prototype !! Dr. Gerhard Fettweis GASPAR, Ivan, et al. "FPGA implementation of Generalized Frequency Division Multiplexing transmitter using NI LabVIEW and NI PXI platform." ni.com | NI CONFIDENTIAL 22

NTT Docomo and NI Collaborate on NOMA Testbed f, t, code NOMA: Non-Orthogonal Multiple Access Exploitation of power-domain, path loss difference among users, and device processing power "By adopting NI's cutting-edge 5G wireless rapid prototyping test system, we expect to see results on performance and capabilities faster on NOMA and higher frequencies“ Takehiro Nakamura, Managing Director of the 5G Laboratory ni.com | NI CONFIDENTIAL 23