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New connectivity in 5G: Avoiding dead-ends in the road to mobile growth

5G technology is maturing – and evolving. With more spectrum and attractive features, a wide range of new applications is emerging, creating an ecosystem for existing and new players. Those applications will materialize only if mobile innovation is backed up with an enhanced connectivity network supporting the 5G New Radio. In this presentation, Ulrich Kohn analyzed the impact of new mobile services on the capabilities and scalability requirements of mobile transport networks. He examined the roles of disaggregation and virtualization, and discussed the relevance of precise synchronization and best practices for its evolution.

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New connectivity in 5G: Avoiding dead-ends in the road to mobile growth

  1. 1. New connectivity in 5G Ulrich Kohn, solutions marketing October 2020 Avoiding dead-ends in the road to mobile growth
  2. 2. © 2020 ADVA. All rights reserved.22 Industrial applications for growthStagnating revenues in mobile Stagnating revenues with mobile users – industrial internet of things as growth driver 5G will bring mobile back on track to growth Source: 5G for business: a 2030 market compass, Oct 2019, EricssonSource: STL Partners Analysis, using publicly availably information
  3. 3. © 2020 ADVA. All rights reserved.33 Cost-conscious innovation secures bottom-line growth 5G is 10,000,000 times better 1000x cell capacity 100x peak rates 10x lower latency 10x reliability Scalable networking Virtualization Precise timing Automation Growth opportunities Enabling technologies
  4. 4. © 2020 ADVA. All rights reserved.44 5G decomposition into radio unit, distributed unit and central unit From 4G to a new 5G RAN architecture EPC Backhaul Carrier Ethernet BBURRH 4G/LTE RAN Fronthaul CPRI 5G RAN RU 5GC Backhaul Carrier Ethernet Midhaul Ethernet (F1) Fronthaul eCPRI/Eth (Fx) DU CU New functional split 40-200km <10ms 20-40km 1-2ms 0-10km 25-200µs
  5. 5. © 2020 ADVA. All rights reserved.55 Openness – intelligence – automation Towards virtualized open RAN architecture Physical 5GC Distributed cloud Serviced management and orchestration RAN intelligent controller (non-real-time) RAN intelligent controller (real-time) O-CU user O-CU control O-DUO-RU Virtual Control Fx (split option 7.2) F1
  6. 6. © 2020 ADVA. All rights reserved.66 Established backhaul network architectures and technologies might not scale Transport requirements - bandwidth Significantly higher bandwidth needs at Fx interface Broad radio spectrum at mmWaves results in 100Gbit/s fronthaul capacity and beyond Multi-layer MIMO mainly in dense areas, rural areas with less stringent requirements General base station interface will move to 10G/25G in dense areas µWave backhaul networks need to consider fiber 1 2 4 8 16 Fx: 100MHz Sub6G 2.0 3.9 7.8 15.6 31.2 Fx: 400MHz mmW 7.5 15.1 30.2 60.4 120.8 F1: 100MHz Sub6G 0.5 1.0 2.0 4.0 8.1 F1: 400MHz mmW 1.9 3.7 7.4 14.9 29.8 0.0 20.0 40.0 60.0 80.0 100.0 120.0 BandwidthinGbit/s MIMO layers Single sector DL transport bandwidth (peak) Source: O-RAN Alliance
  7. 7. © 2020 ADVA. All rights reserved.77 Leveraging the innovative power of an open multi-vendor ecosystem Disaggregating high-end routers Speed FPGA, ASIC Merchant silicon Original design manufacturer (ODM) Open ecosystem Flexibility Cost Purpose-build device Proprietary OS IP and MPLS routing protocols High-end edge/core router Network operating system (NOS) Applications, e.g., routing protocols Deep vertical integration
  8. 8. © 2020 ADVA. All rights reserved.88 Mobile core with route reflectors Open alliances and disaggregated networking – a winning team Agile innovation with multi-stakeholder cooperation TIP provides collaborative environment Major MNOs drive specifications and in-field verifications Vendors optimize open software and bare-metal hardware Continuous improvement process Rapid innovation cycles Trial in MNOs’ production networksFast, targeted innovation Network operating system Bare-metal switches from three different ODMs NMS, control
  9. 9. © 2020 ADVA. All rights reserved.99 Precise synchronization is a key requirement for 5G Many 5G services as well as efficient use of spectrum depend on precise timing Source: Heavy Reading 5G Network & Services Strategies, 2020 Operator Survey; results analyzed by OMDIA
  10. 10. © 2020 ADVA. All rights reserved.1010 Edge-delivered timing Satellite-based synchronization with local clock PTP and SyncE for delivery over packet network Precise timing is provided at DU sites A possible way to synchronize 5G networks RU ~100ns time accuracy @ FX DU CU ~1µs time accuracy @ F1 Challenges: - Satellite signals are subject to malicious attacks, interference and obstructions - High number of DU sites requires many satellite receivers (capex, opex)
  11. 11. © 2020 ADVA. All rights reserved.1111 Satellite-delivered time is backed up with cesium atomic clocks Timing-aware transport with on-path synchronization support PTP-optimized DWDM transport and ultra-precise boundary clock devices Multiple central high-performance clocks and time-aware transport network Reliable and precise synchronization of 5G networks RU Better than 100ns time accuracy end-to-end DU CU Key benefit - Highly resilient synchronization with fully protected, time-aware transport - With atomic clocks, satellite outages are efficiently mitigated
  12. 12. © 2020 ADVA. All rights reserved.1212 Intermediatesite Highly precise sync overlay Opticallinesystem Terminal west Terminal east PTP and SyncE over optical timing channel Local traffic PTP boundary clock class D (TEmax: 5ns) Bidirectional channel Open optical line terminal Combining PTP-optimized optical transport with on-path PTP/SyncE support
  13. 13. © 2020 ADVA. All rights reserved.1313 We make connectivity networks fit for 5G Summary: 5G new connectivity New connectivity networks for scale, reliability and lowest latency Architectural optimization and innovative technologies Disaggregation is key to agility and rapidly growing capacity Timing transport with latency and asymmetric delay compensation Open collaboration for early rollout of commercialized solutions
  14. 14. Thank you IMPORTANT NOTICE The content of this presentation is strictly confidential. ADVA is the exclusive owner or licensee of the content, material, and information in this presentation. Any reproduction, publication or reprint, in whole or in part, is strictly prohibited. The information in this presentation may not be accurate, complete or up to date, and is provided without warranties or representations of any kind, either express or implied. ADVA shall not be responsible for and disclaims any liability for any loss or damages, including without limitation, direct, indirect, incidental, consequential and special damages, alleged to have been caused by or in connection with using and/or relying on the information contained in this presentation. Copyright © for the entire content of this presentation: ADVA. info@adva.com