1 a vision on the evolution to 5 g networks

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1 a vision on the evolution to 5 g networks

  1. 1. A Vision on the Evolution to 5G Networks Dr. Fabrício Lira Figueiredo Wireless Division Manager, CPqD
  2. 2. Agenda 1. Drivers for the evolution to 5G networks 2. Key technological challenges 3. Major trends for increasing capacity 4. Macrocells for rural applications 5. Conclusion
  3. 3. Global Mobile Devices and Connections 7 Billions of Subscribers 6 4G 3G 2G 76% 57% 5 33% 4 3 23% 2 10% 1 0 1% 2012 1% 2% 19% 9% 2012 69% 2013 2014 2015 2016 2017 7% 4% 7% 30% 2016 52% Source: GSMA 2013
  4. 4. Fast Growth of Traffic Demand Exabyte per month 66% Annual Growth 12 11.2 9 7.4 6 4.5 2.8 3 0.2 0.4 2010 2011 1.6 0.9 0 2012 2013 File Sharing 11% 51% 2012 2014 M2M 2015 2016 2017 Web/Data Video 4% 3% 2017 35% 5% 25% 66% Source: Cisco 2013
  5. 5. Multiple Devices
  6. 6. Advanced Video Applications Stereoscopic 3D 100 50 50 100 150 200 250 Mbps Multiview 3D HDTV 8K Ultra HDTV Multiview 3D SDTV 4K Ultra HDTV Conferencing, Sharing and Collaboration Stereo 3D HDTV Ultra HD Stereo 3D SDTV 8K-UHD Video HD Uplink HDTV Downlink 4K-UHD HD Source: Huawey 2013 1080 3840 7680
  7. 7. Internet of Things More than 50 billions devices in 2020! Low data rate and low power consumption applications
  8. 8. Powerful devices Complex contents More subscribers Heavy users 600-1000x More Capacity
  9. 9. Traffic x Revenue Growth Traffic Voice Oriented Traffic and Revenue Decoupling Revenue Data Oriented 2013 2020
  10. 10. The Challenges for the Evolution to 5G • Legacy Core • Interoperability • Security • Management Backhaul • Availability • Capacity • Robustness RAN • Spectrum • Performance • Security • Mobility • Interoperability
  11. 11. Mobile Technology Evolution HSPA HSPA+ LTE CDMA2000 1X REV A LTE-A 5G REV B 2020 2G 3G (HSPA) 4G BW 200 KHz 5 MHz 100 MHz Bitrate 10 Kbps 10 Mbps 1 Gbps Spectrum Efficiency 0,05 bps/Hz 2 bps/Hz 5-15 bps/Hz Latency 150 ms 50 ms 10 ms
  12. 12. 5G Expected Timeline 5G Research, Initiatives and Partnerships 2011 2012 2013 2014 2015 5G Standardization 2016 Rel-14 Rel-13 Rel-12 2017 2018 5G Product Technology 2019 2020 ITU WRC IMT-2020 (5G) 5G Commercial Deployment 2022
  13. 13. Challenges for 5G Networks Transmission rates above 1 Gbps, reaching up to 10 Gbps until 2020 Higher spectral efficiency, at least by a factor of 3 Increasing spectrum availability, at least by a factor of 2 Heterogeneous, self-organized and cloud architectures Lower latency, reaching 1ms Lower power consumption on both devices and infrastructure High capacity backhaul, based on radio and fiber technologies
  14. 14. Increasing Capacity Demand for 600-1000x capacity Network density x 100 Small Cells HetNet UE e-NodeB MIMO
  15. 15. Increasing Capacity: up to 10 Gbps ! Macro: ~3 Gbps Small Outdoor: ~5 Gbps Small indoor: ~10 Gbps
  16. 16. More spectrum is required Spectrum is heterogeneous, fragmented and scarce 20 20 20 20 100 MHz Carrier aggregation is a powerful approach to increase spectrum usage efficiency
  17. 17. More Advanced Radio Interface 20 20 20 20 100 MHz Carrier Aggregation Current bands, 1 Gbps + New bands, 10 Gbps very wide 450, 700, 800, 900 1800, 2100, 2600 > 3000 > 20 > 20 > 100 MHz super wide > 10000 2020 TDD FDD Hybrid radio High Frequency Low Frequency UL: OFDMA UL: SC-FDMA Less Overhead
  18. 18. Capacity Limitation 7 Higher order modulations? Spectrum Efficiency (bps/Hz) 6 Shannon Limit 5 64-QAM 256-QAM 4 64 QAM 1024-QAM 3 2 16 QAM 1 QPSK 0 5 10 SNR (dB) 15 20 CQI* = 0, 1, …, 15 *CQI: Channel Quality Indication
  19. 19. Generalized Frequency Division Multiplexing - GFDM • • • • Low out of band emission Flexible system parameters Increased spectral resolution - higher efficiency at band edge Does not require strict synchronization and orthogonality OFDM x GFDM = 2048 = 1200 Source: Fetweiss et al, “5G Now Project”
  20. 20. Active Antenna System – AAS 3D Beamforming Irradiator elements Transceivers Vertical Beamforming ■ Multiple downtilts with multiple Cell IDs ■ Dedicated beams to subscribers groups Pre-distortion, CFR Source: 3GPP TR 37.840, “Study of AAS Base Station”.
  21. 21. Hetereogeneous Networks - HetNets Macro & Small Cells SmallCell in shadowing location Macro Cell
  22. 22. Hetereogeneous Networks - HetNets Coordinated temporal allocations Interference Coordination - Increased data rate - Better performance all over the cells Increasing bps/Hz/cell Enhanced Inter Cell Interference Coordination (eICIC) Coordinated Multi-Point (CoMP)
  23. 23. Self Organizing Networks - SON Self-configured eNB (plug-and-play) Handover optimization Coverage and load balance optimization Self-recovery and energy saving EPC/IMS Cloud RAN RAN Sharing Equipment Costs Operational Costs (no SON) Tempo
  24. 24. Macro Cells for Rural Areas Mobile broadband for rural areas remains a challenge … Internet LTE cable SmallCell EPC NMS IMS Core Network 3 km >30 km Macro Cell LTE EPC: Evolved Packet Core IMS: IP Multimedia Subsystem Wi-Fi
  25. 25. LTE 450 MHz 458 451 459 SMP, STFC and SCM 460 461 458 7 MHz (uplink) 468 461 468 7 MHz (downlink) 3GPP Band 31 SLP, SLE SLP, SLE SLP Airports 450 MHz 451 1 MHz 1 MHz 7 MHz SLMP SMP, STFC and SCM SLP Airports 1 MHz 1 MHz 1 MHz SARC 7 MHz SLMP 1 MHz SARC ANATEL Channelization 469 470
  26. 26. Conclusion 1. Evolution to 5G networks concept is already under discussion by academia, vendors and some operators 2. The demand for the evolution to 5G networks will be driven by the fast growth of data traffic until 2020, especially mobile video 3. Main goal is to significantly increase network performance and flexibility, while minimizing CAPEX and OPEX 4. Several technological challenges shall be handled in order to accomplish the 5G goals: higher capacity will be the most critical 5. Ubiquitous services can become reality in 5G, but further efforts will be required for supporting some relevant applications, such as rural area communications, M2M and public safety
  27. 27. Thank you! Special acknowledgement to Brazilian Commmunications Ministry, FUNTTEL and FINEP for the funding and strategic contributions to all CPqD LTE Projects. Ministério das Comunicações Fabrício Lira Figueiredo fabricio@cpqd.com.br +55 19 9838-2308 www.cpqd.com.br

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