5G Technology Introduction, Market Status Overview and Worldwide Trials

Transcription

1 5G Technology Introduction, Market Status Overview and Worldwide Trials 5G & IoT Seminar, May 2017, Italy Günter Pfeifer Technology Manager Wireless Communication

2 Outline Introduction Standardization Physical Layer Trials embb What is 5G? Timeline Testing Considerations Verizon SKT KT NTT DOCOMO Etc. Datarate Use cases 2

3 Outline Introduction Standardization Physical Layer Trials embb What is 5G? Timeline Testing Considerations Verizon SKT KT NTT DOCOMO Etc. Datarate Use cases 3

4 What is 5G? It s a paradigm shift 1G1980s 2G1990s 3G2000s 4G2010s 5G2020s Transition from analog to digital Define use case Analyze requirements Define technology embb www www Define technology framework Find a use case miot URLLC 4

5 What is 5G? Ultra-Dense Networks Broadband Access Public Safety IoT Sensor Networks Broadcast Services Mobility Automotive E-Health Evolutionary Wide Area Networks < 6GHz Revolutionary mmwave Data Networks Energy Savings X System Capacity 100X Data Rates X Low Latency < 1 ms Device Capacity 100X 5

6 The Triangle of 5G Use Cases embb remains Priority 1 Massive IoT ı A diverse ecosystem (operators, manufacturers, local authorities, certification only for some technologies) ı Mix of technologies (GSM, Lora, Zigbee, WLAN, Bluetooth, Cat M1, NB-IoT, ) ı It s all about cost efficiency and massive connectivity enhanced Mobile Broadband (embb) massive Machine Type Communication (mmtc) Ultra Reliable & Low Latency Communication (URLLC) embb the known playground ı Established ecosystem (operators, manufacturers, certification of devices) ı Evolution from existing technologies (LTE-A, ad) and revolutionary additions (cm- / mm-wave) ı It s all about data (speed and capacity) URLLC ı A significantly enhanced and diverse ecosystem (operators (?), manufacturers, verticals, certification not existing (yet)) ı Existing technologies do not provide sufficient performance ı It s all about reliability and security (data and capacity) 6

7 Outline Introduction Standardization Physical Layer Trials embb What is 5G? Timeline Testing Considerations Verizon SKT KT NTT DOCOMO Etc. Datarate Use cases 7

8 5G - Continuing the Success of LTE Evolution Service: Data+Voice Mobile Broadband (MBB) embb / mmtc / URLLC eicic MTC Cat0 CAT M1 PSM NB- IoT mmtc 20 MHz MIMO OFDM Voice MBMS CA 8x8 MIMO CoMP WLAN offload CA enh. CA FDD + TDD DC 256 QAM D2D LAA D2D enh. LWIP LWA SC- PTM V2X embb URLCC Rel8 Rel9 Rel10 Rel11 Rel12 Rel13 Rel / Commercial operation

9 Where do we stand with 5G? ı After research phase and early 5G prototype / demonstrator stage transition towards concrete specification and implementation work ı 3GPP RAN started NR = 5G work item in March 2017 and accelerated its timeline due to industry activities outside 3GPP Pre-commercial field trials are anticipated mid of 2017 with proprietary standards based on agreements between network operator(s) and their vendors 9

10 3GPP Standardization Timeline after 3GPP RAN#75 (March 2017) NR Phase 1 (Specification) 5G Phase 2 (Specification) Release 13 Release 14 Release 15 Release 16 3GPP 5G Workshop 5G Scope and Requirements 5G NR Work Items Phase 1 5G NR Work Items Phase 2 Channel modeling > 6 GHz TR finalized TR TSG-RAN#78, December 2017: - Stage 3 for NSA 5G-NR (NSA option 3 family) - ASN.1 freeze in March 2018 TSG#80, June 2018: - Stage 3 for SA 5G-NR - ASN.1 freeze in September 2018 NR: SA: NSA: New Radio Standalone Non Standalone 10

11 3GPP RAN#75: Start of NR (5G) work item in 3GPP ı 3GPP naming convention: GERAN ( 2.xG ) UTRAN ( 3.xG ) E-UTRAN ( 4.xG ) NG-RAN ( 5.xG ) 3GPP document convention: 38.xxx series will cover NR ı Application scenarios: Enhanced mobile broadband (embb) Top Prio in Rel-15 Ultra reliable and low latency communications (URLLC) (at least partly) incl. in Rel-15 Massive machine-type-communications (mmtc) shifted to Rel-16 ı Most likely radio technology innovations towards NEW RADIO (NR) New spectrum: cm and mm Wave spectrum ( beyond 6 GHz ) Investigation of new spectrum (incl. channel modeling) ongoing Massive MIMO on downlink Focus on spatial domain deployment to increase capacity (3D view on coverage area) CP-OFDM based transmission scheme on downlink New <TBD> non-orthogonal transmission scheme on uplink 11

12 3GPP officially launched New Radio (NR) specification work Option 3/3A is prioritized for NSA (connectivity options in TR ) ı Dual connectivity between NR and LTE E-UTRA master, NR secondary Via EPC (Option 3) Via NGC (Option 7) NR master, E-UTRA secondary* Via NGC (Option 4) ı Single connectivity to Next-Generation Core (NGC) - option 2 Option 3: S1 MME enb S1 U EPC Xx u Xx C gnb Option 3A: S1 MME enb S1 U EPC Xx C S1 U gnb Option 4: Option 2: NGC NGC Option 7: NGC NG U NG U NG C NG U NG C NG U NG C gnb gnb enb enb gnb *Lower priority - started after the work on option 2, 3 series and 7 series are completed Option 7A: NGC NG U NG C NG U enb gnb gnb: A node which supports the NR as well as connectivity to NGC May

13 Outline Introduction Standardization Physical Layer Trials embb What is 5G? Timeline Testing Considerations Verizon SKT KT NTT DOCOMO Etc. Datarate Use cases 13

14 New spectrum for mobile communications: cm and mm waves Frequency bands Frequency range Wavelength range λ 1 m distance FSPL UHF Ultra High Frequency 300 MHz 3 GHz 10 1 dm 22 db 42 db SHF Super High Frequency 3 GHz 30 GHz 10 1 cm 42 db 62 db EHF Extra High Frequency 30 GHz 300 GHz 10 1 mm 62 db 82 db ITU band Range ITU band Range X 8 12 GHz Q GHz Ku GHz U GHz K GHz V GHz Ka GHz E GHz FSPL example (cell range 1km): 900MHz 91dB 26GHz 121dB Free Space Path Loss Source: ITU: Recommendation ITU-R V.431-7: Nomenclature of the Frequency and Wavelength Bands Used in Telecommunications FSPL = 20log 4π λ 14

15 3GPP TR NR RF Testability Conducted testing OTA measurements Re-use LTE UE Testing methodology 6 GHz 24 GHz in far field* *Note: Alternative near field methods are not precluded Only Antenna performance tested Over The Air (OTA) [TRP, TIS, ] Everything to be tested Over The Air (OTA) Source: 3GPP TR V

16 Testing of 5G devices Just removing cables? 16

17 Basic conducted LTE UE certification setup RF test setup conditions: SS TX splitter Σ RX DL simulation from the UE s perspective, incl. AWGN, AWGN Gen 1 UE under test multipath, interference, etc. UL ideal conditions, AWGN Gen 2 TX/RX i.e. shall not add errors to UE UL signal RX Σ Reference point: UE antenna connector Tester / Test system Source: 3GPP TS V ( ) 17

18 Removing the cables. it sounds simple, but it s not. SS TX splitter Σ RX AWGN Gen 1 AWGN Gen 2 Introduces antennas! Introduces cross-talk! Near/Far field conditions? UE position matters! Measurement reference point? Anechoic environment!? UE under test TX/RX RX Σ Maintain ideal uplink? Test system Source: 3GPP TS V ( ) 18

19 5G testing it s NOT just removing cables ı More measurement variables: DoA (Direction of Arrival) DoD (Direction of Departure) Antenna polarization ı Calibration procedures, accordingly ı Evaluation of measurement uncertainties ı Specification of measurement reference points incl. appropriate requirements ı Meeting far field condition requirements in limited space (NF-FF transformation) ı Creation and implementation of beamforming related test standards ı MIMO performance testing under interference and multipath conditions ı Different anechoic test setups required for different test purposes? ı 19

20 Outline Introduction Standardization Physical Layer Trials embb What is 5G? Timeline Testing Considerations Verizon SKT KT NTT DOCOMO Etc. Datarate Use cases 20

21 5G Market Status ı Testing and trialing of new pre-standard 5G technologies is already well underway ı At least 25 operators from 15 countries have demonstrated 5G technologies or announced 5G tests / trials ı Recent announcements about 5G intentions or pre-standards 5G launch timetables Verizon intends to start pre-commercial services with customers during the first half of 2017 TIM plans to launch a network in Turin during 2017 Sonera Finland plans to launch a 5G network in Helsinki in 2018 Etisalat has announced a launch in 2019 Source: GSA evolution from LTE to 5G report, April 2017 update 21

22 Global 5G Trial Activities 5G Open Trial Specification Alliance Network Operators ı ı ı ı ı ı ı ı ı ı ı ı ı ı Verizon SK Telecom Korea Telecom NTT DoCoMo AT&T TIM TeliaSonera Optus China Mobile Vodafone Dt. Telekom Orange Telefonica 2017, US (Verizon): commercial operation for fixed wireless access 2018, South Korea (SKT/KT): (pre)commercial operation OEMs for Winter Olympics [Feb ] ı Ericsson ı Huawei ı Nokia ı Cicso ı Intel ı Qualcomm ı Samsung ı ZTE ı NEC ı Fujitsu ı 2020, Japan (NTT DoCoMo): commercial operation for Summer Olympics [ ] 22

23 5G Trials Sub 6GHz spectrum Sub-6GHz cmwave: GHz mmwave: GHz Coverage Mobility Reliability High Capacity Massive Throughput Ultra-Dense Networks 0 GHz 1 GHz 2 GHz 3 GHz 4 GHz 5 GHz 6 GHz Country Operator Frequency (GHz) Total Spectrum (MHz) OEMs Involved USA AT&T Ericsson, Intel USA AT&T Ericsson, Intel Japan NTT Docomo 4.6 Fujitsu Japan NTT Docomo 3 to 6 NEC Norway TeliaSonera 0.8, 1.8, 2.1, Ericsson China China Mobile Huawei, ZTE, Qualcomm Australia Optus Mobile 0.7, 0.9, 1.8, 2.1, Huawei IWPC Workshop 2016 Korea & Mobile Experts 5G Broadband Forecast: July

24 5G Trials cm- / mm-wave spectrum Sub-6GHz cmwave: GHz mmwave: GHz 15 GHz 20 GHz 25 GHz 30 GHz 35 GHz 40 GHz 70 GHz Country Operator Frequency (GHz) Spectrum Used (MHz) OEMs Involved USA Verizon Ericsson, Intel, Nokia, Samsung, Alcatel-Lucent, Cisco, Qualcomm USA T-Mobile 28, , 200 Ericsson, Nokia USA AT&T 15, , 200 Ericsson, Intel Japan NTT Docomo 11, , 900 Huawei & Ericsson Japan NTT Docomo 28, Samsung & Nokia Korea SK Telecom 15, Nokia & Samsung China China Mobile 10 to 12, , 1050 ZTE Corporation IWPC Workshop 2016 Korea & Mobile Experts 5G Broadband Forecast: July

25 5G Trials and Network Deployments Use Cases Fixed Wireless Access (FWA) Focus of 5G trials and early network deployments is on enhanced Mobile Broadband Mobile Networks embb pre-5g SA pre-5g SA 5G NR NSA 25

26 5G Trials and Network Deployments Timeline Today LTE Advanced Pro 5G NR Phase 1 5G NR Phase 2 5G NR Evolution Release Release 15 Release 16 Release 17 Technology Trials Spec published Field Trials Network Launch 5G Network (pre-3gpp, FWA) 5G NR Phase 1 Specification approved Technology Trials Samsung KT, SKT Japanese Operators Technology Trials Field Trials 5G Network (pre-3gpp, SA) Field Trials (pre-3gpp) Network Launch Field Trials (3GPP 5G NR) 3GPP compliant 5G NR Network (NSA, LTE interworking) Network Launch 26

27 LTE and Verizon pre5g PHY comparison (I) PHY parameter LTE (Rel.8-14) Verizon pre5g Downlink (DL) OFDM OFDM Uplink (UL) DFT-s-OFDM OFDM Subframe Length 1ms 0.2ms Subcarrier Spacing 15 khz 75 khz Sampling Rate MHz MHz Bandwidth 20 MHz 100 MHz NFFT OFDM symbol duration, no CP us us Frame Length 10 ms 10 ms #Subframes (#slots) 10 (20) 50 (100) CP Type Normal & Extended Normal Only Multiplexing FDD / TDD Dynamic TDD Max RBs 6,15,25,50,75, DL/UL Data coding Turbo Code LDPC code Subframe Length LTE divided by 5 Bandwidth 5 times LTE Subcarrier Spacing 5 times LTE Symbol Duration: LTE divided by 5 Sampling Rate 5 times LTE 27

28 LTE and Verizon pre5g PHY comparison (II) ı LTE Rel.10-12: 5 carriers up to 20 MHz each ı LTE Rel.13: 32 carriers up to 20 MHz each ı VzW Pre5G: Aggregation of up to 8 carriers 100 MHz each Carrier #5(32) e.g. 18 MHz 28

29 LTE and Verizon pre5g PHY comparison (III) l TD-LTE: fixed UL/DL configuration one out of seven different configurations(0 6) l VzW Pre5G [TDD]: Dynamic switch on a subframe basis between four fixed configurations (a, b, c, d) Uplinkdownlink configuration Downlink-to-Uplink Switch-point periodicity Subframe number ms 1 5 ms 2 5 ms 3 10 ms 4 10 ms 5 10ms 6 5 ms D S U U U D S U U U D S U U D D S U U D D S U D D D S U D D D S U U U D D D D D D S U U D D D D D D D S U D D D D D D D D S U U U D S U U D 3GPP TS Table

30 Fixed Wireless: & 39 GHz R&S FSW Signal & Spectrum Analyzer R&S SMW200A Vector Signal Generator Generate Downlink at 28 & 39 GHz Used as REF for DL signal Analyze Uplink at 28 & 39 GHz Used as REF for UL signal» Up to 40 GHz with up to 2 GHz modulation bandwidth» Automatic correction of frequency response independent of frequency, power level, and bandwidth CPE» Up to 43.5 GHz with 1200 MHz internal bandwidth» EVM < 1% across 10 db sweep at 28 GHz 30

31 Some 5G NR physical layer parameter considerations ı Frequency bands considered GHz with up to 100MHz carrier bandwidth GHz with up to 400MHz carrier bandwidth (24-52,6GHz with up to 1GHz carrier bandwidth considered) ı Carrier aggregation up to 16 carriers ı Modulation up to 256QAM (1024QAM FFS) for DL data ı MIMO/Beamforming For 1 to 4 layer transmission: 1 codeword For 5 to 8 layer transmission: 2 codewords ı Frame length 10ms with 7 or 14 subframes sub 6GHz 14 subframes in mmwave 31

32 Duplex Mode - Flexibility is Key! NR supports paired and unpaired spectrum (TR38.802) TDD TDD operation on an unpaired spectrum Transmission direction of time resources is not dynamically changed Transmission direction of most time resources can be dynamically changing Data DL/UL transmission directions can be dynamically assigned on a per-slot basis FDD FDD operation on a paired spectrum with different transmission directions in either part of a paired spectrum Subcarrier Spacing: 15kHz 2 n (at least from 15kHz to 480kHz) Frame length 10ms, 12 SC per PRB LDPC and Polar coding (for embb) 32

33 5G NR scalable OFDM numerology ı OFDM subcarrier spacing to scale with channel bandwidth Otherwise FFT size and processing complexity increases exponentially for wider bandwidths 33

34 5G New Radio numerology: 3GPP 5G vs. pre5g (I) m = Subcarrier Spacing [khz] Symbol Length [μs] Component Carrier BW [MHz] Cyclic Prefix Length [μs] Subframe Length [ms] (= 1/2 m ) Radio Frame Length [ms] No 75 khz MHz per CC <6 GHz 80+ MHz per CC <70 GHz 640 MHz 70GHz FFS FFS PHY parameter LTE (Rel.8-14) Verizon pre5g Downlink (DL) OFDM OFDM Uplink (UL) DFT-s-OFDM OFDM (SC-FDMA) Subframe Length 1ms 0.2ms Subcarrier Spacing 15 khz 75 khz Sampling Rate MHz MHz Bandwidth 20 MHz 100 MHz NFFT OFDM symbol us us duration, no CP Frame Length 10 ms 10 ms #Subframes 10 (20) 50 (100) (#slots) CP Type Normal & Extended Normal Only Multiplexing FDD / TDD Dynamic TDD Max RBs 6,15,25,50,75, DL/UL Data coding Turbo Code LDPC code 31

35 Feature comparison 3GPP 5G vs. pre5g (II) 3GPP 5G + vision Pre-5G Ressource grid: Ressource grid: Scalable TT I Blank subcarriers D2D MBB Multicast time scaling = flexible + various content source Qualcomm Flexible framework: scalable TTI and subcarrier spacing + fixed allocated ressources, service oriented constant ressource grid: Δf = 75kHz, #SC per RB = 12 #OFDM symbols per slot = 7 33

36 Feature comparison 3GPP 5G vs. pre5g (III) 3GPP 5G + vision Pre-5G Beamforming Beamforming Same as Pre-5G but enhancements possible: beam tracking, beam recovery, beam steering etc. Concept based on beamforming. static beams, closed loop reporting, beam switching 34

37 Outline Introduction Standardization Physical Layer Trials embb What is 5G? Timeline Testing Considerations Verizon SKT KT NTT DOCOMO Etc. Datarate Use cases 37

38 5G performance requirements for IMT-2020 ı User plane latency: 4 ms for embb 1 ms for URLLC ı Connection density: devices per km² Data rate Downlink Uplink User experienced data rate Peak data rate Peak spectral efficiency 100Mbps 20Gbps 30bps/Hz 50Mbps 10Gbps 15bps/Hz Source: 38

39 Mobile Broadband Trend Datarate Forecast DL bps UL bps You are here

40 5G enhanced Mobile Broadband - embb 40

41 5G use cases for embb Sneak preview of KT's 5G Olympics in Pyeong Chang 41

42 Summary ı Approach in industry: Is 5G just the next mobile network? No: It is a paradigm shift! 3G (3GPP: UTRA): 1: define a technology for data transmission, 2: what is the killer app? 4G (3GPP: E-UTRA): define a better technology than 3G based on use case (mobile data) 5G (3GPP: NR): 1: define use cases, 2: requirements, 3: elaborate technologies / solutions ı From cell-centric (2G - 4G) to user-centric / application-centric in 5G ı From link efficiency (2G - 4G) to system efficiency in 5G (RAT defined per app) ı From antenna connectors (2G - 4G) to Over-the-Air testing in 5G (antenna arrays, beamforming) ı Increasing demand for security / high reliability in 5G (up to mission- and safety-critical use cases) Rohde & Schwarz is committed to supporting the industry with the T&M solutions needed to investigate, standardize, develop and implement 5G products 42

43 Thank you for your attention!