5G in Reality Mikael Höök, Director Radio Research Ericsson Research
FORECAST ~29 billion connected devices, 18 billion related to IoT 2018 2019 2020 2022 2021 ~550 million 5G subscriptions IoT devices expected to surpass mobile phones in numbers 6 2017 ~400 million IoT devices with cellular connections 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 2Page 2 Source: Ericsson Mobility Report
Status of technology 5G IoT Cloud + + TRANSFORMATION of industries INSTALLATION TRANSFORMATION 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 3Page 3
What is 5G what will it bring A Network for the Networked Society 10-100x 1000x 5x 100x Cost 10+ +20dB END-USER DATA RATES MOBILE DATA VOLUMES LOWER LATENCY MORE DEVICES DEVICE COST REDUCTION YEARS BATTERY LIFE BETTER COVERAGE Management Access Applications Cloud Infrastructure Transport One architecture supporting multiple industries 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 4Page 4
5G wireless access Massive MTC Cat-M NarrowBand IoT Vehicle2X EVOLVED ACCESS (4G/LTE) NEW ACCESS (NR) enhanced MBB Critical MTC 1 GHz 3 GHz 10 GHz 30 GHz 100 GHz 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 5Page 5
NR Design principles Spectrum flexibility Low latency configurations Future-proof design Ultra-lean design Beam-centric design Multi-connectivity Interworking across spectrum bands Requirements Data rates Traffic volume density Mobility Connection density Device energy efficiency Latency Reliability Network energy efficiency Cost efficiency 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 6Page 6
Waveform and numerology Scaled LTE numerology subcarier spacing Δf = 2 n 15 khz Enables coexistence with NB-IoT and emtc 15 khz 30 khz 60 khz Df T cp 15 khz 4.7 ms 30 khz 2.3 ms 60 khz 1.2 ms 120 khz 0.6 ms 240 khz 0.3 ms 480 khz 0.15 ms Bandwidth per carrier Minimum carrier bandwidth 5 MHz (< 6 GHz) and 40 MHz (> 6 GHz) Maximum carrier bandwidth 400 MHz (but at most 3300/6600 used subcarriers) Carrier Aggregation (CA) can be used for larger BWs 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 7Page 7
Low latency Short scheduling units Short regular slots 125 ms at 60 khz Mini slots arbitrary starting point and length within a slot Fast retransmissions Fast ACK Enabled by front-loaded DMRS/DCI and frequency-first interleaving allowing for rapid data demodulation/decoding Uplink grant-free transmission Fast access to channel Preferably avoiding explicit time alignment (asynchronous access) 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 8Page 8
URLLC Ultra reliable and low latency communication Techniques for high reliability at low latency Exploit all diversity levels Robust coding and modulation Robust channel state estimation Multi-connectivity Spectral efficiency MBB URLLC Fast re-transmissions key to preserve efficiency Enabled by short symbol duration, mini-slots and tight processing times SINR 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 9Page 9
Ultra-lean design Today Ultra-lean Reference signals Broadcast system information... No always-on reference signals Minimum amount of always-broadcast system information... + Enhanced network energy performance + Higher achievable data rates + Future-proof design 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 10 Page 10
5G trial Proof of concept Coverage High frequencies LoS vs. NLoS With/wo beamforming Urban vs. rural environment Indoors, single/multi-floor Multi-TP seamless mobility Peak-bitrate performance Distributed MIMO & MU-MIMO Propagation models validation Mikael 5G in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 11 Page 11 Outdoor network, Kista 20 m 30 m 40 m 10 m 1 st Fl Indoor SU-MIMO performance Elevator BS Point #B 20 m 30 m 40 m 2 nd Fl 3 rd Fl 50 m # # 10 m Elevator # # # # # BS # # # Point #C [Gbps] 14.5 Throughput MU-MIMO 15 GHz, 800 MHz IBW 0 Gbps performance at ~500 m
Multi-TP seamless performance Realistic use-case deployment High frequency 28 GHz Multiple TPs with multiple beams High vehicle speed 165+ km/h Seamless mobility with Gbps performance 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 12 Page 12
Multi-TP deployment 1TP- 1RU 3TP - 1RU Coverage [dbm] Rank DL Throughput -30-40 -50-60 -70-80 -90-30 -40-50 -60-70 -80 1TP - 1RU 3TP - 1RU 4 3 2 1 0 4 3 2 1 1TP - 1RU 3TP - 1RU [Gbps] 15 10 5 0 15 10 5 High Throughput = Good Quality (High BRSRP) + Rich Channel (High Rank) 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 13 Page 13-90 0 0
Industry Collaborations To explore the digital transformation of different industries To explore tomorrow s use cases To explore new business models and value networks To together define 5G for Industries A Networked Society where every person and every industry is empowered to reach their full potential 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 14 Page 14
Leading digitalization AUTOMOTIVE AND TRANSPORT 5g For industries MANUFACTURING PROCESS INDUSTRY SAFETY/SECURITY AGRICULTURE ENERGY AND UTILITIES 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 15 Page 15
research PROJECT EXAMPLES In Transport, Manufacturing and Process 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 16 Page 16
On the road to 5G Industrial collaborations Radio Test Beds up to 25+Gb/s indoor and outdoor Driver of early EU 5G research projects Full IMT-2020 capabilities WRC 2019 Standalone New Radio (NR) Non-standalone New Radio (NR) 5G Plug-ins NR radios mid-band NR radios high-band Ericsson 5G core system NB-IoT 3GPP compliant commercial operation 3GPP compliant NR roll-out 3GPP based field trials Massive-IoT LTE/ NR 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 17 Page 17
Open areas Reliability/availability Take MBB reliability to next level Industrialization enablers for Adaptive Antenna Systems Realize massive antenna systems with reasonable complexity, cost and performance Stay one step ahead in security Get next evolution step of 5G on the horizon Pro-actively address new and evolved use-cases 5G Mikael in Reality Höök EUCNC 2017 2017 Ericsson 2017 AB 2017 Page 18 Page 18
summary First drops of 5G (LTE-evo, NR) well under way PoC, testbeds and trials ongoing Strong interest for 5G from industries under digitalization Learning and evolution phase of 5G have started 5G in Reality EUCNC 2017 Ericsson AB 2017 Page 19