5G New Radio. Ian Wong, Ph.D. Senior Manager, Advanced Wireless Research. ni.com NI CONFIDENTIAL
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2 5G New Radio Ian Wong, Ph.D. Senior Manager, Advanced Wireless Research ni.com
3 ITU Vision for IMT-2020 and Beyond > 10 Gbps Peak rates > 1M / km 2 Connections < 1 ms Latency
4 New ITU Report on IMT-2020 Minimum Requirements Metric Requirement Comments Peak Data Rate Peak Spectral Efficiency User Experienced Data Rate DL: 20 Gbps UL: 10 Gbps DL: 30 bps/hz (assuming 8 streams) UL: 15 bps/hz (assuming 4 streams) DL: 100 Mbps UL: 50 Mbps Area Traffic Capacity Indoor hotspot DL: 10 Mbps/m 2 embb Single embb mobile in ideal scenarios assuming all resources utilized Single embb mobile in ideal scenarios assuming all resources utilized 5% CDF of the embb user throughput User plane latency embb: 4ms URLLC: 1ms Single user for small IP packets, for both DL and UL (embb and URLLC) Control plane latency 20ms (encouraged to consider 10ms) Transition from Idle to Active (embb and URLLC) Connection Density 1M devices per km 2 For mmtc Reliability % success prob. 32 L2 bytes within 1ms at cell edge Bandwidth >100 MHz; up to 1 GHz in > 6 GHz Carrier aggregation allowed DRAFT NEW REPORT ITU-R M.[IMT-2020.TECH PERF REQ], Minimum requirements related to technical performance for IMT-2020 radio interface(s), Document 5/40-E, 22 February 2017
5 3GPP Release Timeline: Path From 4G to 5G New Radio Study Items Phase I Phase II LTE-A Pro Apr-16 - Apr-17 Rel-13 Jan-17 - Jul-18 Rel-14 Apr-16 - Jul-16 Rel-15 Aug-16 - Aug-17 Rel-15 Apr-16 - Jul-16 Rel-16 Jun-16 - Sep-17 Rel Mar-15 Jun-15 Sep-15 Dec-15 Mar-16 Jun-16 Sep-16 Dec-16 Mar-17 Jun-17 Sep-17 Dec-17 Mar-18 Jun-18 Sep-18 Dec-18 Mar-19 Jun-19 Sep-19 Dec-19 New radio track Phased approach Phase I forward compatible to phase II, but no need for backward compatibility to LTE LTE-A pro track Based on existing LTE-A Rel-13E
6 3GPP On Fast Track to 5G Completion March 2017 RAN plenary concludes 5G-NR Study Item and agrees on way forward for 5G-NR work item By December 2017: complete Stage 3 for Non-Standalone 5G-NR embb (including low latency support) with Option 3 where 4G LTE core network (EPC) will be reused Control Plane from EPC to LTE enb and from LTE enb to UE will also be reused. Additional Next Gen Userplane from NR gnb to UE. Figure from RP , Deutsche Telekom, T-Mobile
7 Zooming in on New Radio Phase 1 Timeline RAN #74 RAN #75 RAN #78 RAN #80 (Rel-15 completion) Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 5G study 5G NR Work Item 5G NR NSA Completion 5G NR SA Completion Further evolution Stage 3 completion for Non-Standalone 5G-NR Stage 3 completion for Standalone 5G-NR NSA = Non StandAlone = EPC core ( Option 3 ) and LTE anchor SA = StandAlone NSA Option 3 family ASN.1 Rel-15 ASN.1 for SA & NSA Figure from RP , Way Forward on the overall 5G-NR embb workplan
8 Early Non Standard 5G Releases Some operators and vendors have kicked off pre specification 5G efforts These will be deployed before New Radio Phase 1, as soon as end of 2017/early 2018 Target application is a narrow subset of NR target applications Fixed Wireless Access No support for mobility UEs are Consumer Premise Equipment (set-top box) Last mile connectivity to replace fiber Verizon 5GTF KT PyeongChang 5G Figure from Samsung Whitepaper on Fixed Wireless Access
9 5G Trial Deployments Have Started
10 5G New Radio: Phase 1 ni.com
11 From LTE to 5G NR Phase 1 Frequency of Operation Carrier Bandwidth LTE Up to 6 GHz Max: 20 MHz NR Up to 6 GHz, ~28 GHz, ~39 GHz, other mmwave bands (Upto 52 GHz) Max: 100 MHz (@ <6 GHz) Max: 400 MHz (@ >6 GHz) Carrier Aggregation Up to 32 Up to 16 Analog Beamforming (dynamic) Not supported Supported Digital Beamforming Up to 8 Layers Up to 12 Layers Channel Coding Data: Turbo Coding Control: Convolutional Coding Data: LDPC Coding Control: Polar Coding Subcarrier Spacing 15 khz 15, 30, 60, 120, 240, 480 khz Self Contained Subframe Not Supported Can be implemented Spectrum Occupancy 90% of Channel BW Up to 98% of Channel BW
12 New Frequency Ranges for NR Release 15 Frequency range GHz Supporting companies NTT DOCOMO, KDDI, SBM, CMCC, China Unicom, China Telecom, KT, SK Telecom, LG Uplus, Etisalat, Orange, GHz NTT DOCOMO, KDDI, SBM, CMCC, China Unicom, China Telecom, GHz NTT DOCOMO, CMCC, KT, Verizon, T-mobile, Telecom Italia, BT GHz Orange, Telecom Italia, British Telecom GHz AT&T, Verizon, T-mobile
13 What is numerology Numerology for NR Multiple numerologies are formed by scaling a basic subcarrier spacing (SCS) by integer N 15 khz is baseline SCS N is power of 2 Numerology selected independently of frequency band Allow at least from 15kHz to 480kHz subcarrier spacing Subcarrier spacing (SCS) Symbol duration Cyclic prefix duration Slot duration/size Subframe duration/size Frame duration/size
14 Supported Numerologies μ f = 2 μ 15[kHz] Cyclic prefix Symbols/Slot Slot duration (slots/sf) Max # of RBs (subcarriers) Bands 0 15 Normal 14 1 ms (1) 275 (3300) <6 GHz 1 30 Normal ms (2) 275 (3300) <6 GHz 2 60 Normal, Extended μs (4) 275 (3300) <6 GHz, >6 GHz Normal μs (8) 275 (3300) >6 GHz 4 *240 Normal μs (16) 138 (1656) 5 *480 Normal μs (32) 69 (828) >6 GHz >6 GHz *Primarily used for beam acquisition synchronization signals
15 Resource Block in New Radio NR defines physical resource block (PRB) where the number of subcarriers per PRB is the same for all numerologies. The number of subcarriers per PRB is N= 12 Max no. of RBs: 275 Max no. of subcarriers: 275*12=3300 Max FFT size: 4096 Freq 7 symbols (example) 12x15 KHz LTE and NR 12x30 KHz New in NR 12x60 khz Time Source: Nokia, R
16 Example of Numerology in a Slot Mixed numerology in both frequency domain and time domain Source: Fujitsu, R
17 Modulation & Waveform QPSK, 16QAM, 64QAM and 256QAM (with the same constellation mapping as in LTE) are supported OFDM-based waveform is supported. At least up to 40 GHz, CP-OFDM waveform supports spectral utilization of Y greater than that of LTE (assuming Y=90% for LTE) Where Y (%) is defined as transmission bandwidth configuration/channel bandwidth * 100%. Note: Y proposals example is 98% (For UL only) DFT-S-OFDM based waveform is also supported Limited to a single stream transmissions Targeting for link budget limited cases. Both CP-OFDM and DFT-S-OFDM based waveforms are mandatory for UEs
18 Channel Coding Channel coding techniques for NR should support info block size K flexibility and codeword size flexibility Rate matching (i.e., puncturing and/or repetition) supports 1-bit granularity in codeword size. Channel coding technique for data channels of NR support both Incremental Redundancy (IR) and Chase CFor very small block lengths where repetition/block coding may be preferred ombining (CC) HARQ. Data channel for embb DCI for embb Flexible LDPC Coding Polar Coding
19 MIMO in New Radio Downlink precoding is UE transparent Reference signals are also precoded similar to the data Up to 32 antenna ports are supported in the DL Antenna ports may not map to a physical antenna port Defined as channel over which a symbol on the antenna port is conveyed can be inferred from the channel over which another symbol on the same antenna port is conveyed Up to 8-layer MIMO is supported in the DL Hybrid beamforming-based MIMO (for mmwave) using various phased arrays panels are supported
20 5G New Radio: Phase 2 ni.com
21 Access to Unlicensed Spectrum Create a single global solution for NR-based access to unlicensed spectrum For unlicensed bands both below and above 6GHz Coexistence methods Within NR-based Between NR-based unlicensed and LTE-based LAA With other incumbent RATs In accordance with regulatory requirements in e.g., 5GHz, 37GHz, 60GHz bands
22 Integrated Access and Backhaul Figure from RP Study support for wireless backhaul and relay links Enable flexible and very dense deployment of NR cells Avoid densifying the transport network proportionately Both inband and outband relaying in indoor and outdoor scenarios
23 V2X Use Cases for LTE and NR New evaluation methodology to be defined for the new V2X use cases Vehicles Platooning Extended Sensors Advanced Driving (enables semi-automated or full-automated driving) Remote Driving Identify regulatory requirements of direct communications between vehicles in spectrum beyond 6GHz in different regions 63-64GHz (allocated for ITS in Europe) 76-81GHz Figure from Qualcomm website
24 Other Features for Study in NR Phase 2 Following items will also start from early 2018 Non-orthogonal Multiple Access NR support for Non-Terrestrial Networks Self Evaluation towards IMT-2020 submission Note that New Rel-15 WI (Phase 1) will also be completed in parallel to NR Phase 2 Study Items. New Radio Access Technology (RP )
25 2x2 MIMO 5G Test Setup 28 GHz, 8x100 MHz OFDM, 2x2 MU-MIMO w/hybrid beamforming 2-Transceiver Base Station 2 x 64-antenna phased array 64-antenna phased arrays Horizontal polarization 28 GHz mmwave TRX Head Beamsteering Interface 28 GHz mmwave TRX Head with horn antenna UE Interface with video streaming UE0: 64-QAM 2.9 Gbps Vertical polarization Dynamic TDD with selfcontained subframe 2x2 BB/IF Chassis UE1: 16-QAM 1.8 Gbps
26 NI mmwave Transceiver System BW = 2 GHz Fc = , 57-64, GHz Reference designs OFDM Single-carrier Channel sounding Host controller DAC Module IF/LO Module ADC Module mmwave head Digital, LO, and IF interfaces
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