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Comtech - 5G via Satélite

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Comtech - 5G via Satélite

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Comtech - 5G via Satélite

  1. 1. Leonardo Gil Alvares Sales Director November 9th, 2017 Rio de Janeiro II SSPI Day 5GoSAT
  2. 2. Future of Mobile Broadbrand 2 Future of Broadbrand Ericsson Mobility Report 2017
  3. 3. What’s new? © Copyright 2013 Comtech EF Data Corporation
  4. 4. What’s new? © Copyright 2013 Comtech EF Data Corporation
  5. 5. ITU’s vision for IMT-2020 (5G) 5
  6. 6. ITU’s vision for IMT-2020 (5G) 6
  7. 7. The beginning of 5G Standalone vs Non-standalone 7
  8. 8. 5G design goals for various use cases 8
  9. 9. First 5G use case is enhanced Mobile Broadband (eMBB) 9 • Flexible MIMO-GFDM • Long range • 10Km – 50Km @100Mbps • Low cost spectrum • Market depl. 2022
  10. 10. Regional outlook per technology 10 Graph shows the highest mobile standard a subscriber’s device support. A 5G phone support 2G/3G/LTE as well for fallback. LTE adoption happening rapidly in LATAM with some 5G at the end of the forecast. 2G and 3G will still be 35% of all the devices in 2022.
  11. 11. Usage per application category 11 Traffic mix drive the need for additional spectrum, 5G radio to supplement LTE
  12. 12. Population coverage 12
  13. 13. Cost per GB using LTE • 90% drop in cost of delivering a GB in 6 years 13
  14. 14. Mobile broadband or Ka-band VSAT? • Need of Massive wired investment needed to connect rural communities with broadband. • Ubiquitous reach of satellite is an advantage. • Challenge is that many service providers prefer wireless infrastructure for last mile access and the huge LTE eco-system is making it more affordable every day with lower cost of infrastructure and devices. • Consumers has a strong preference towards a personal mobile broadband device (smartphone) if its an option versus dedicated VSAT. • Finding the right balance is THE challenge 14
  15. 15. LTE and 5G Optimization solutions
  16. 16. Why optimize LTE / 5G? • High bandwidth ≠ better Quality of Experience (QoE) • TCP (underlying protocol on the Internet) performs poorly over high delay links like VSAT. Even with modern OS, total throughput still limited. • Websites have gotten more complex: – Grown from 700kbytes average size to >2Mbytes in 3 yrs. – Grown from average 25 objects to download to almost 200 objects (80kbyte average) – Single domain (www.cnn.com) calls out 70 other hosts for advertising and content putting a strain on DNS Host resolution. 16
  17. 17. TCP Acceleration Comparison • Performance: TCP Acceleration – Heights/FX features TurboStreaming (Comtech patented IP TCP optimization engine) allowing efficient multiplexing of website objects into persistent TCP connection (speeds up time to first byte, reduces TCP 3 way handshake allowing faster transfers for smaller files on the web) (https://www.comtechefdata.com/files/articles_papers/WP-QoE%20for%20LTE.pdf) – Other vendors: standard SCPS implementation with no multiplexing (each object has to go through end to end TCP 3WHS). SCPS is good for single long file transfers but not designed for todays “busy” web where there are many short file transfers.. 17 With TCP Acceleration – mitigates the delay and “slow start”..
  18. 18. DNS Performance Comparison • Performance: DNS Optimization – Modern websites such as CNN require 70+ DNS inquiries, DNS inquires take 1/3rd of the time to DL a site and so DNS caching significantly improves website QOE – Heights/FX feature: DNS Caching provides local DNS cache lookup to eliminate long VSAT delays in Host name resolution. 18
  19. 19. Session Capacity Support • Performance : Session and capacity support – Capacity requirement:  Observed need for greater than 4000 TCP sessions for as little as single LTE site 20Mbps deployment.  Observed need for 20000+ sessions in support of 150Mbps link. – Heights/FX : Heights provides integrated support for GTP optimization (up to 5000 TCP sessions), with standalone FX appliances available to support higher demanding remote capacity sites (up to 20000). Hub site support greater than 30000 TCP sessions (growing to 100k sessions by Q4 2017). 19
  20. 20. Deployment options • Deployment option: not just IP transport – LTE is typically deployed across L2 networks using either VLAN, MPLS or multiples of those labels. In order to provide a transparent service and facilitate deployment, LTE over VSAT needs to be supported in same manner as terrestrial. – Heights/FX : Can support multiple L2 labels including MPLS and VLANs while performing GTP optimization. – Other vendors: Typically, limited to single VLAN and IP so cannot be a completely transparent solution to the MNO. 20
  21. 21. What about overhead? • LTE is very efficient at the radio level BUT it comes with significant overhead. Considering L2 transport, each GTP packet has 94bytes of overhead. • On a 1500 byte packet, overhead is less than 10% but if you consider smaller packets or even TCP ACK messages (4byte payloads), the overhead is very large. – Example:  TCP ACK is 4bytes but requires 98byte across LTE (20x overhead to payload ratio)  TCP average packet size of 512bytes + 94bytes overhead = 20% overhead!! 21 EPC/LTE overhead (94 bytes per user TCP payload) MAC = 14 bytes, VLAN = 4 bytes, IP = 20 bytes, UDP = 8 bytes, GTP = 8 bytes, Ue IP = 20 bytes, Ue TCP = 20 bytes
  22. 22. Bandwidth savings • Bandwidth saving: reduced overhead means more BW for more user traffic. – Heights/FX : Reducing transport bytes is always a priority for CEFD and so CEFD implements overhead optimization in two stage across our integrated solution so overhead is reduced from 94 bytes to 2 byte across satellite. – Other vendors: No overhead bandwidth savings is implemented to save LTE / 5G overhead. 22 EPC/LTE MAC = 14 bytes VLAN = 4 bytes IP = 20 bytes UDP = 8 bytes GTP = 8 bytes Ue IP = 20 bytes Ue TCP = 20 bytes Total = 94 bytes overhead FX4010 MAC = 14 bytes VLAN = 4 bytes IP = 20 bytes TCP = 20 bytes Total = 58 bytes overhead Across Heights Header compression Compressed header Total = 2 bytes overhead
  23. 23. Comparison GTP Optimizers 23 Product TCP session support Speed rating (LAN+WAN) DNS Caching Payload Compression HPRO 5000 150Mbps Y Y (embedded on modem) FX1010C 20000 200Mbps Y Y (GZIP) FX4010C 30000 600Mbps Y Y (GZIP) FX5020 100000 1Gbps Y Y (GZIP) Note : Don’t settle for less. TCP session support is most important and more important than speed to supporting LTE/GTP optimization... Ensure high level of TCP support.
  24. 24. Swap of MEO site • Y-axis is eNodeB Accessibility (1.0=100%) • Nokia LTE site with 26/12 Mbps H-Pro modem with WX is performing better and has higher availability than MEO 24
  25. 25. What’s our Company’s DNA?
  26. 26. Comtech EF Data Product Positioning 26 64 kbps 128 kbps 512 kbps 1 Mbps 2 Mbps 5 Mbps 8 Mbps 10 Mbps 15 Mbps 25 Mbps 300 Mbps 1.4Gbps Throughput per Site NumberofSites 11020100+ CDM-570A (Hub-Spoke or Point-to-Point) CDM-625A + WX (Point-to-Point) Heights (Hub-Spoke, Fully Managed, BW on Demand ) CDM-760+ FX/WX (Point-to-Point) + + NetVue RF Products
  27. 27. Comtech .. Providing Managed BW solutions for over 15 years • First dynamic BW solutions - 2002 – Dynamic management of SCPC carriers • Advanced VSAT platform - 2011 – Purpose Built Integrated Solution • Heights Platform released - 2015 – Highest performance VSAT available today 27
  28. 28. Heights Networking Platform 28 Internet VersaFEC-2 H-DNA Return with ACM RNC Heights Hub OutBound DVB-S2 Outbound dSCPC Pool (All carrier sizes shown as example on Entry Channel 64 kbps Heights Remote GW Heights Remote GW Heights Remote GW NetVue Network Management System GGSN/ S-GW Fully Managed Hub-Spoke network topology High performance shared outbound with Comtech Efficiency Boost waveform High performance H-DNA Return with VersaFEC-2 waveform Heights Remote GW
  29. 29. H-DNA 29 • Dynamically assigns total return capacity at sub-second interval – Reacts to changing capacity needs quickly • Hitless switching – no packet loss, no duplicates • Best in Class optimization – Header Comp, Payload Comp, WAN Optimization, Bi- directional ACM and Power Control R4 R2 R5 R3 R6 R8 R1 R7 R4R2 R5R3R6 R8 R1 R7 R4R2 R5 R3 R 6 R8R1R7 Bandwidth / Frequency Plan Time t0 t0+1 t0+2
  30. 30. Rapidly Adapts to Changing Environments • Each bandwidth plan has new: – frequency assignment for all sites – transmit power assignment for all sites – symbol rate assignment for all sites – Modulation & Code Rate (MODCOD) assignment for all sites – hub receiver assignment for all sites • New plan is implemented at the start of the next time period 30
  31. 31. Rapid Adaptation to Changing Demand 31
  32. 32. Total Pool Utilization 32
  33. 33. Heights Network Performance • Increased DVB-S2-EB Outbound Throughput – 150 Msps Symbol Rate – 500 Mbps WAN Throughput (after optimization) – 600-700+ Mbps LAN Throughput – Enables unprecedented throughput on HTS – High performance remotes  Return Channel @ 197Mbps 33 Secure, Robust, High Performance Multi-Tenant, Multi- Application Platform for Designed for Operators
  34. 34. Four papers 34
  35. 35. Obrigado Leonardo Gil Alvares Sales Director lalvares@comtechefdata.com +55 21 98433-5000