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RAY LACHANCE 
ZENFI NETWORKS, INC. 
WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT 
October 22, 2014 
Kellogg Con...
WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT 
October 22, 2014 
Kellogg Conference Hotel at Gallaudet Universit...
The Data Storm 
Exponential mobile data growth is driving the need for 
densification of the mobile network. 
o Global Mob...
Network Densification 
This Becomes This 
WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT 
October 22, 2014 
Kello...
Mobile Networks Today 
Cell Site Cabinet 
Base 
Band 
Unit 
(BBU) 
In-Building DAS 
Head End / Equipment Room 
Outdoor DAS...
Next Gen Mobile Network 
C-RAN Architecture 
• Moves parts of the mobile network control 
function from the cell site to d...
C-RAN Today - Centralized 
Centralized RAN Benefits 
• Speed-to-Market – Ready to go Head-End 
WASHINGTON D.C. IN-BUILDING...
Centralized Base Stations connected to 
Outdoor DAS Remotes with metro 
“fronthaul” fiber … Old news! 
Base Station 1 
… 
...
Centralized Base Stations connected to 
Indoor DAS Remotes with metro “fronthaul” 
fiber… Why not? 
WASHINGTON D.C. IN-BUI...
Base Band Unit at base station hotel 
connected to Remote Radio Head with metro 
“fronthaul” fiber… Why not? 
WASHINGTON D...
C-RAN Tomorrow - Cloud 
Cloud RAN Benefits 
• Base station resource pooling 
• On-Demand resource allocation 
• Dynamic re...
Cloud-RAN Scalability 
WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT 
October 22, 2014 
Kellogg Conference Hotel...
Fronthaul Challenge 
Urban environments require placing antennas 
as close to users as possible wherever they 
are. 
• Fib...
Fronthaul Network Spec 
C-RAN requires a specialty network 
• Digital Radio over Fiber (CPRI, OBSAI) 
• High Bandwidth – 6...
Closing - ZenFi Networks 
WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT 
October 22, 2014 
Kellogg Conference Ho...
How Hard Could It Be? 
WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT 
October 22, 2014 
Kellogg Conference Hotel...
Base Station Hoteling 
Northeast DAS 
_____________________________ 
Ray LaChance | President & CEO 
ZenFi Networks, Inc. ...
WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT 
October 22, 2014 
Kellogg Conference Hotel at Gallaudet University
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ZenFi Base Station Hotel - NEDAS D.C. 2014

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DAS, C-RAN, Base Station Resource pooling and more as presented by Ray LaChance, CEO of ZenFi Networks.

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ZenFi Base Station Hotel - NEDAS D.C. 2014

  1. 1. RAY LACHANCE ZENFI NETWORKS, INC. WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University
  2. 2. WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC Agenda • Introduction • Mobile Wireless Growth and Densification • Mobile Network Evolution • C-RAN & Base Station Hotels • Fronthaul Network – What is it? • Closing 10/22/14 www.zenfi.com 2
  3. 3. The Data Storm Exponential mobile data growth is driving the need for densification of the mobile network. o Global Mobile Data grew by 81% in 2013* o Projected to grow by 11x by 2018 to 15.9 Exabytes / WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC month o New spectrum is scarce, costly and subject to long regulatory delays *SOURCE: Cisco Visual Networking Index: Global Mobile Data Traffic Forecast Update, 2013–2018 4
  4. 4. Network Densification This Becomes This WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 4 High Power Macro Site DAS – Small Cells – RRH - cWiFi
  5. 5. Mobile Networks Today Cell Site Cabinet Base Band Unit (BBU) In-Building DAS Head End / Equipment Room Outdoor DAS Base Station Backhaul Network Small Cell WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University Split Macro Base Band Unit (BBU) at tower or rooftop is connected to Remote Radio Head with fiber R R H R R H R R H F I B E R #NEDASWashDC 6 Cell Site Cabinet C O A X Base Station Distributed Base Station Model
  6. 6. Next Gen Mobile Network C-RAN Architecture • Moves parts of the mobile network control function from the cell site to deeper in the network - Base Station Hotel. • Introduces a new transmission network into the overall mobile network infrastructure – Mobile Fronthaul. WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 8
  7. 7. C-RAN Today - Centralized Centralized RAN Benefits • Speed-to-Market – Ready to go Head-End WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC Space • Economies of Scale – Less of everything – Shared hard-infrastructure - space, power, cooling, security – Aggregated Backhaul – Less energy consumed – Centralized dispatch, maintenance & sparing 7
  8. 8. Centralized Base Stations connected to Outdoor DAS Remotes with metro “fronthaul” fiber … Old news! Base Station 1 … Base Station n WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 9 BTS Hotels for oDAS Base Station Hotel METRO “FRONTHAUL” FIBER
  9. 9. Centralized Base Stations connected to Indoor DAS Remotes with metro “fronthaul” fiber… Why not? WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 9 BTS Hotels for iDAS? Base Station Hotel Base Station 1 … Base Station N METRO “FRONTHAUL” FIBER
  10. 10. Base Band Unit at base station hotel connected to Remote Radio Head with metro “fronthaul” fiber… Why not? WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC D-RoF Backhaul Network RRH RRH RRH Up to 10km for LTE Base Station Hotel 9 BTS Hotels for Macro Sites? Base Station 1 … Base Station N METRO “FRONTHAUL” FIBER
  11. 11. C-RAN Tomorrow - Cloud Cloud RAN Benefits • Base station resource pooling • On-Demand resource allocation • Dynamic resource sharing & resiliency • Virtualized software definable and tunable architecture • Lower cost general purpose hardware WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 11
  12. 12. Cloud-RAN Scalability WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 12 Cell Site Cabinet D-RoF RRH RRH RRH Cell Site Cabinet D-RoF RRH RRH RRH Cell Site Cabinet D-RoF RRH RRH RRH Central Office D-RoF D-RoF optical distribution network IP/MPLS Network D-RoF Load Balancing BBU System Module Fronthaul Base-band Pool Optical Transmission Network Virtual BS Cluster Virtual BS Cluster Virtual BS Cluster Load balancer & Switch Load balancer & Switch X2
  13. 13. Fronthaul Challenge Urban environments require placing antennas as close to users as possible wherever they are. • Fiber Availability – Antennas Everywhere = Any-Pair-Anywhere • CPRI (capacity, latency, management) • Traditional metro fiber networks weren’t built to meet C-RAN Fronthaul requirements WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 15
  14. 14. Fronthaul Network Spec C-RAN requires a specialty network • Digital Radio over Fiber (CPRI, OBSAI) • High Bandwidth – 600 Mb/s to 10Gb/s capacity • Near Zero Jitter & Bit Error Rate • Low Latency < 100 μs • Support Up to 10 km BBU/RRU separation WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 13
  15. 15. Closing - ZenFi Networks WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 15 Launched in 2014 to support the C-Ran evolution in the New York Metro Area – Fronthaul Fiber Network – Distributed “Neighborhood” Aggregation Facilities (Base Station Hotels) – High Capacity Resilient Backhaul Network
  16. 16. How Hard Could It Be? WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC 3
  17. 17. Base Station Hoteling Northeast DAS _____________________________ Ray LaChance | President & CEO ZenFi Networks, Inc. (212) 981-0761 rlachance@ZenFi.com www.ZenFi.com WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University #NEDASWashDC
  18. 18. WASHINGTON D.C. IN-BUILDING WIRELESS EDUCATIONAL SUMMIT October 22, 2014 Kellogg Conference Hotel at Gallaudet University

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