Pathway to 5G. Dr Magnus Frodigh Director, Wireless Access Networks, Ericsson Research

Transcription

1 Pathway to 5G Dr Magnus Frodigh Director, Wireless Access Networks, Ericsson Research

2 Ericsson at a glance #1 Global Leader MOBILE INFRASTRUCTURE OSS&BSS SERVICES MEDIA DELIVERY & IPTV 114,000 Employees $34.9 B 2013 net sales 35,000 Patents 25,000 Employees in R&D 1 billion Subscribers managed by us 180 Countries with presence 50% LTE smartphone traffic through our networks IP Routing, SDN Silicon Valley is a second headquarters for Ericsson TV, Media Mediaroom and other acquisitions Magnus Frodigh Ericsson AB Page 2

3 Ericsson Research Areas Radio Access Technologies IP and Transport Wireless Access Networks Cloud Technologies Services, Media and Network Features Security Management and Operation of Complex Systems Sustainability Hardware Technologies Software Technologies Magnus Frodigh Ericsson AB Page 4

4 wireless access generations The foundation of mobile telephony Mobile telephony for everyone The foundation of mobile broadband The evolution of mobile broadband Non-limiting access anywhere, anytime, anyone, anything ~1980 ~1990 ~2000 ~2010 ~2020 Magnus Frodigh Ericsson AB Page 5

5 8 times Mobile data Traffic by end of 2020 Monthly consumption per device type GB 15 GB 1.9 GB 7.6 GB 0.9 GB 3.5 GB Magnus Frodigh Ericsson AB Page 6

6 North AMerica 490 million mobile subscriptions by end of G expected to come into commercial use by 2020 Segments of one 90% of households have at least 3 internet connected devices 5 times increase in data use per smartphone between 2014 and 2020 Magnus Frodigh Ericsson AB Page 7

7 ICT Beyond the inflection point TRANSFORMATION Foundation for innovation Broad applicability Transforming society INSTALLATION Digitalization of existing processes enabled by ICT and followed by transformation combining physical reality with digital services MOBILITY - BROADBAND - CLOUD Magnus Frodigh Ericsson AB Page 8

8 What to expect from 5G Multi-domain Performance Text Foundation for Efficient Industries and Society Energy Performance Text Global Standard Text Text Massive Machine Type Communications Critical Machine Type Communications Mass Market Personalized TV Magnus Frodigh Ericsson AB Page 9

9 Source: Ericsson input to ITU (based on ongoing discussions in ITU) What does 5G bring? Enhancing current Mobile Broadband Services New use case families Massive MTC Mission-critical MTC Magnus Frodigh Ericsson AB Page 10

10 Machine Type Communication Massive MTC Low cost Low energy Small data volumes Massive numbers Long ranges Critical MTC Ultra reliable Very low latency Very high availability Magnus Frodigh Ericsson AB Page 11

11 Latency reductions [ms] The extremely low latency of LTE and 5G enables new possibilities for M2M applications ~10 ~1 0 GPRS R 97 EDGE R 99 EDGE R 4 WCDMA R 99 eedge HSDPA HSPA LTE 5G Magnus Frodigh Ericsson AB Page 12

12 flexibility and robustness Flexibility Open Mobile Programmable Agile Sustainable Robustness Scalable Secure Reliable Standardized Magnus Frodigh Ericsson AB Page 13

13 One network multiple A common network platform with dynamic and secure Network Slices Magnus Frodigh Ericsson AB Page 14

14 5G network evolution to meet expectations User/industry applications Devices Management & Orchestration Sustainability 5G RAT Radio Access Network applications Cloud Infrastructure Security IP Infrastructure Magnus Frodigh Ericsson AB Page 15 Scope for 5G

15 5G Radio Access 5G access Common higher layers LTE evolution Backwards compatible L1/L2 Tight interworking New RAT(s) No compatibility constraints Optimize for performance Gradual migration into existing spectrum Existing spectrum New spectrum Magnus Frodigh Ericsson AB Page 16

16 LTE Evolution Release 13 License-assisted access Operation in un-licensed spectrum Multi-antenna Techniques Elevation beam-forming Massive MIMO Indoor COMP Small-cell enhancements Latency reductions Machine-type communication Device-to-device communication Rel-11 Rel-12 Rel-13 Rel-14 Magnus Frodigh Ericsson AB Page 17

17 5G New RAT RADIO Components Multi-antenna technologies Access/backhaul integration Extension to higher frequencies Spectrum flexibility Ultra-lean design Device-to-device communication Multi-site connectivity Magnus Frodigh Ericsson AB Page 18

18 Spectrum Flexibility Wide range of spectrum regimes Licensed, licensed shared, and unlicensed Dynamic TDD Adapt to instantaneous traffic variations (especially in small-cell deployments) Possibility for full duplex Simultaneous Tx and Rx on same frequency Challenging interference-cancellation scenario Full duplex on link level or system level Magnus Frodigh Ericsson AB Page 19

19 Ultra-Lean Design Minimize always-on transmissions (reference signals, sync signals, broadcast system info, ) Significantly reduced energy consumption Interference minimization means higher achievable data rates and improved capacity Future proof-ness Magnus Frodigh Ericsson AB Page 20

20 Multi-Site Connectivity Multi-site transmission Reception of multiple beams Multi-layer connectivity Between overlaid low-frequency and underlaid high-frequency layers Diversity and robustness Rapid changes in propagation conditions makes connectivity to multiple sites beneficial Robustness Spotty coverage at higher frequency bands Magnus Frodigh Ericsson AB Page 21

21 Massive Beamforming User-specific beamforming User-specific reference signals (DM-RS) A UE may receive multiple beams (from different sites) Each beam is self-contained (minimize dependencies across beams) Transparent support for SU-MIMO, MU- MIMO, CoMP, dual connectivity Magnus Frodigh Ericsson AB Page 22

22 Device-to-device communication Tightly integrated device-to-device communication under network control Broadcast / Groupcast Unicast Network-controlled direct communication Device-based relaying Network-controlled direct communication Unicast Direct communication Magnus Frodigh Ericsson AB Page 23

23 Outdoor-In at 10GHz 100Mbps 2W transmit power 100MHz bandwidth Line of sight to the building Building wall of regular type with 70% concrete and 30% standard glass (not metal coated) Magnus Frodigh Ericsson AB Page 24

24 A Giant Leap in Capacity Demand Mobile broadband plus 25% penetration for 4k video 3hrs per evening* 10Mbps with 95% probability Met with Refarming < 3GHz 80MHz at 3.5GHz 500 MHz at ~10GHz Carrier aggregation Densification x MHz at 2.6GHz + 80MHz at 3.5GHz ISD 300m 80MHz at 2.6GHz + 80MHz at 3.5GHz ISD 200m 80MHz at 2.6GHz + 80MHz at 3.5GHz + 500MHz at 10GHz Low-rise, European scenario with subscribers/km2, baseline ISD 425m, 1500subs/site Note: all spectrum below 2.6GHz modeled at 2.6GHz *) 4k usage increasing from 0 to 100% from 2015 to 2025 Magnus Frodigh Ericsson AB Page 25

25 5G radio test bed Magnus Frodigh Ericsson AB Page 26 July 2014, >5 Gbps

26 Testbed Applications Peak rates Snygg bild på folk som kollar på demo? Video and web using TCP File download Magnus Frodigh Ericsson AB Page 27

27 5.8 Gbps in lab Magnus 5G TB Project Frodigh Overview Ericsson September AB Ericsson Internal Page Page 28

28 5G time plan Evaluation (external) WRC-15 WRC-19 Vision, feasibility Requirements WS Proposals Specs Initial requirements Final requirements TR Stage 2 Stage 3 Rel-13 Rel-14 Rel-15 Rel-16 5G SI(s) 5G WI(s) 5G evo METIS 5G PPP (incl. METIS II) 5G PPP phase 2 (incl. demo) Magnus Frodigh Ericsson AB Page 29

29 Ericsson drives 5g to become a global standard NGMN ITU-R 3GPP NORTH AMERICA 4G Americas University Research EUROPE Europe METIS Horizon2020/5GPPP CHINA 863, 5G promotion group JAPAN ARIB, Testbed activities KOREA 5G Forum, Govt push Magnus Frodigh Ericsson AB Page 30

30 Research Challenges Future internet / networking principles /services /security Software defined networking /cloud /distributed computing/short delay Management /Management of complex systems Multiple RAT integration Spectrum management / ways to utilize shared spectrum Energy efficiency Connected devices / Machine type communication / IoT Advanced Antenna systems / beamforming / beamtracking Understanding of propagation properties for higher frequencies Radio frontends for higher frequencies Magnus Frodigh Ericsson AB Page 31

31 Summary We are beyond the inflection point in the ICT transformation Stable high-level 5G requirements Flexibility and robustness will be new key properties of 5G systems Evolved LTE important for 5G New radio access technologies needed for extreme requirements Many challenges needs to be further researched Magnus Frodigh Ericsson AB Page 32

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