AnyCell™ Connectivity –
A New Era for Mobile Networks
Dr. Michael Ritter
Radio Access Network Evolution
Fully IP-Oriented

1992

2

2003

2009

2011

© 2014 ADVA Optical Networking. All rights re...
Public Access Small Cells

Different small cell flavors and deployment scenarios
3

© 2014 ADVA Optical Networking. All ri...
From Remote Radio Head to Cloud-RAN
RRH

RRH

RRH
RRH

RRH
RRH

CPRI
CPRI
BBU

S1

RRH

RRH
RRH

X2

EPC

RRH

RRH
RRH

BB...
Centralized vs. Distributed BBUs
• Benefits

• Challenges

•

Tight interference and
spectrum coordination

•

Low-latency...
Evolution Towards Super Cells
more capacity
lower latency
more transparency

Mobile
Fronthaul
Centralized RAN

Mobile
Back...
Mobile Backhaul for Small Cells

7

© 2014 ADVA Optical Networking. All rights reserved. Confidential.
HetNet – Heterogeneous Networks

HetNet is fast becoming a reality to be supported by the backhaul network
8

© 2014 ADVA ...
Small Cell Demarcation Challenges
• Environmentally hardened – outdoor deployment
• Ergonomically appealing – form, size a...
End-to-End Service OAM
•

Critical for turn-up, assurance
and trouble shooting

•

Rich OAM implementation
enables high se...
Small Cell Backhaul

Small
Cells

FSP
Service Manager

Macro
Cell
Small
Cells

Evolved
Packet Core

Macro Cell Backhaul Ne...
Radio Access Network Synchronization

12

© 2014 ADVA Optical Networking. All rights reserved. Confidential.
Need for Phase Synchronization
•

Time Division Duplex mode
(TD-LTE)

•

Enhanced Inter-Cell Interference
Coordination (eI...
Mobile Backhaul Synchronization Needs
Application

Radio Interface

Backhaul

Frequency

Frequency

Phase

CDMA 2000

±50p...
RAN Synchronization Options
• Network-based timing distribution
•

ITU-T Synchronous Ethernet
Good long-term solution for ...
Syncjack™ Timing Distribution & Assurance
GNSS
FSP
Sync Manager

GNSS

PRTC

T-SC

APTS
mini-GM
Probe

T-GM

PTP
Grandmast...
Managed CPRI Fronthaul

17

© 2014 ADVA Optical Networking. All rights reserved. Confidential.
CPRI Interface Protocol
Application

Channels

Antenna Configuration

CPRI Line Rate

WCDMA

4 x 5 MHz

1 sector, MIMO 2x2...
Mobile Fronthaul Architectures
Point-to-Point

Linear
RRH

RRH

BBU

BBU

RRH

RRH

RRH

Star

RRH

Ring
RRH

RRH

BBU

RR...
Access Link Monitoring for Fronthaul

Macro Cell
RRH

Small Cell

Small Cell

Small Cell
FSP
Service Manager

RRH

RRH

RR...
AnyCell™ Connectivity

21

© 2014 ADVA Optical Networking. All rights reserved. Confidential.
AnyCell™ Connectivity

Small Cell
(RRH)

Small Cell
(RRH)
Macro Cell
Hub Site

Small Cell

Macro Cell

Evolved
Packet Core...
Thank You
mritter@advaoptical.com

IMPORTANT NOTICE
The content of this presentation is strictly confidential. ADVA Optica...
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AnyCell Connectivity - A New Era for Mobile Networks

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AnyCell Connectivity is a new concept for mobile data networks. It’s a new concept for a mobile data generation. Check out these slides for all the details.

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AnyCell Connectivity - A New Era for Mobile Networks

  1. 1. AnyCell™ Connectivity – A New Era for Mobile Networks Dr. Michael Ritter
  2. 2. Radio Access Network Evolution Fully IP-Oriented 1992 2 2003 2009 2011 © 2014 ADVA Optical Networking. All rights reserved. Confidential. 2013
  3. 3. Public Access Small Cells Different small cell flavors and deployment scenarios 3 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  4. 4. From Remote Radio Head to Cloud-RAN RRH RRH RRH RRH RRH RRH CPRI CPRI BBU S1 RRH RRH RRH X2 EPC RRH RRH RRH BBU Pool S1 X2 CPRI CPRI S1 BBU Centralizing control for improved flexibility and efficiency 4 © 2014 ADVA Optical Networking. All rights reserved. Confidential. EPC
  5. 5. Centralized vs. Distributed BBUs • Benefits • Challenges • Tight interference and spectrum coordination • Low-latency, high bandwidth connection • Highest spectral efficiency • • Phase synchronization of RRHs not required CPRI needs to be transported over fiber • Limited reach • Multi-radio LTE+WiFi small cells not supported • Small footprint and simple deployment Fronthaul and backhaul will co-exist for RAN interconnection 5 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  6. 6. Evolution Towards Super Cells more capacity lower latency more transparency Mobile Fronthaul Centralized RAN Mobile Backhaul AnyCell™ Connectivity Super Cells Next-Gen Backhaul more nodes deeper network more deployment options Legacy RAN HetNet Connectivity for any protocol, capacity, size and topology 6 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  7. 7. Mobile Backhaul for Small Cells 7 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  8. 8. HetNet – Heterogeneous Networks HetNet is fast becoming a reality to be supported by the backhaul network 8 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  9. 9. Small Cell Demarcation Challenges • Environmentally hardened – outdoor deployment • Ergonomically appealing – form, size and color • Installation options – compliant to local planning requirements • Security profile – more easy to gain access Small footprint, light weight and high security 9 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  10. 10. End-to-End Service OAM • Critical for turn-up, assurance and trouble shooting • Rich OAM implementation enables high service availability • Standardized implementation for seamless inter working • Turn-Up Testing Network Maintenance Trouble Shooting In-Service Monitoring Performance Assurance Tight performance constraints require accurate measurement FSP 150 provides rich service OAM consistent across the entire network 10 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  11. 11. Small Cell Backhaul Small Cells FSP Service Manager Macro Cell Small Cells Evolved Packet Core Macro Cell Backhaul Network Small Cell Backhaul Network Leading to a deeper and more heterogeneous infrastructure 11 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  12. 12. Radio Access Network Synchronization 12 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  13. 13. Need for Phase Synchronization • Time Division Duplex mode (TD-LTE) • Enhanced Inter-Cell Interference Coordination (eICIC) • Uplink Small cells enable more efficient spectrum utilization • Downlink Coordinated Multipoint transmission (CoMP) Challenge to synchronization architecture of today’s networks 13 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  14. 14. Mobile Backhaul Synchronization Needs Application Radio Interface Backhaul Frequency Frequency Phase CDMA 2000 ±50ppb ±3 to 10µs GPS GPS GSM ±50ppb n/a ±16ppb n/a WCDMA ±50ppb n/a ±16ppb n/a LTE (FDD) ±50ppb n/a ±16ppb n/a LTE (TDD) ±50ppb ±1.5µs ±16ppb ±1.1µs LTE-A MBSFN ±50ppb ±1 to 5µs ±16ppb ±1.1µs LTE-A CoMP ±50ppb ±1 to 5µs ±16ppb ±1.1µs LTE-A eICIC 14 Phase ±50ppb ±1 to 5µs ±16ppb ±1.1µs © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  15. 15. RAN Synchronization Options • Network-based timing distribution • ITU-T Synchronous Ethernet Good long-term solution for hop-by-hop frequency distribution • IEEE 1588v2 – Precision Time Protocol Favored solution for combined frequency and phase alignment • GNSS-based synchronization • GPS or GLONASS Global coverage with availability challenges Combination required to meet precision and availability targets 15 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  16. 16. Syncjack™ Timing Distribution & Assurance GNSS FSP Sync Manager GNSS PRTC T-SC APTS mini-GM Probe T-GM PTP Grandmaster Packet-Based Backhaul Network T-SC T-SC T-SC Local Base Station Remote Base Station Efficient and highly available synchronization of radio base stations 16 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  17. 17. Managed CPRI Fronthaul 17 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  18. 18. CPRI Interface Protocol Application Channels Antenna Configuration CPRI Line Rate WCDMA 4 x 5 MHz 1 sector, MIMO 2x2 1228.0 Mbps LTE 20 MHz 1 sector, MIMO 2x2 2457.6 Mbps WCDMA & LTE 1 x 5 MHz 20 MHz 3 sectors, MIMO 2x2 9830.4 Mbps Scaling with technology, channel spectrum and radio sectors 18 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  19. 19. Mobile Fronthaul Architectures Point-to-Point Linear RRH RRH BBU BBU RRH RRH RRH Star RRH Ring RRH RRH BBU RRH RRH RRH BBU RRH All common network architectures are supported by CPRI 19 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  20. 20. Access Link Monitoring for Fronthaul Macro Cell RRH Small Cell Small Cell Small Cell FSP Service Manager RRH RRH RRH RRH RRH FSP 3000 ALM Centralized BBU Pool Non-intrusive fiber monitoring and optical service assurance 20 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  21. 21. AnyCell™ Connectivity 21 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  22. 22. AnyCell™ Connectivity Small Cell (RRH) Small Cell (RRH) Macro Cell Hub Site Small Cell Macro Cell Evolved Packet Core Backhaul and fronthaul efficiency for radio access networks 22 © 2014 ADVA Optical Networking. All rights reserved. Confidential.
  23. 23. Thank You mritter@advaoptical.com IMPORTANT NOTICE The content of this presentation is strictly confidential. ADVA Optical Networking 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 Optical Networking 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 Optical Networking.
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