JDSU – CWDM Wireless Backhaul Application

WaveReady Networking Systems
Solutions Addressing
• Mobile Backhaul Challenges
• Metro and Regional Transport
What Is Driving Network Growth?
Content, Applications, & Intelligent Devices
Killer Applications
 High definition, media rich content
 Interactive mobile applications
Network Traffic Growth
 Mobile penetration: 100% by 2015
 SmartPhones: 75% by 2015
Infrastructure Modernization
 More mobile base stations
 Low latency backhaul
Fiber Networks are Proliferating to Support Backhaul Needs
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JDSU CONFIDENTIAL AND PROPRIETARY INFORMATION
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JDSU CONFIDENTIAL AND PROPRIETARY INFORMATION
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Mobile Networks are Strained
Average Subscribers per Cell Site (US)
More Cells Required
•
•
•
For example: a 700 MHz LTE network with 10
MHz, will deliver sector throughput of 15
Mbps.
In the US alone there are on average 1000
subscribers cell site, or 333 subscribers per
sector.
Each subscriber will be sharing 15 Mbps!
U.S. has the highest number
subscribers per cell site.
•
•
of
Too many users are simultaneously using
the same capacity.
LTE/4G build out requires an order of
magnitude more cell sites.
More cell sites and Antennas Reduces the Number of Subscribers Per Cell
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Disruptive Radio Access Strategies Emerging
 Compact Radio Heads
• Affordably enable an order of
magnitude more antennas
• Lower power, closer to subscribers
• Reduce deployment costs, improve
user experience
 Multiple Deployment Options
• Standalone compact base stations
• Distributed base stations
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Disruptive Radio Access Strategies Emerging
• Centralized Baseband Resources
• Virtualized Radio Access Networks
• Reduced cost and complexity
Distributed Base Stations Require: Fiber-to-the Antenna (FTTA)
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Wireless Backhaul Shared tower Application
Mobile Switching
Center (MSC) 1
Central
Office
1
Mobile Switching
Center (MSC) 2
2
1
2
2
Bi-directional OADM
1
2
1470
Add
1490
Add
1470
Drop
1490
Drop
MON
West Out
East In
East Out
West In
MON
1470
Drop
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1490
Drop
|
1470
Add
OCC55 Channel Check
1490
Add
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Wireless Backhaul: CWDM Passives
Site B
Site C
Site A
Outside Plant
Splice Enclosure
1530 nm
1550 nm
1310 nm
CO
Problems: Co-Location is expansive (Footprint & access to sites)
Benefits:
 Placement of CWDM outside of Co-Locations in Man holes saves MONEY $$$
by reducing OPEX (NO RENT)
 Robust OSP construction
 Applicable to Fiber providers, MSO and Utility space…they have the fibre used by
the wireless companies
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Solutions for Mobile Backhaul
Outside Plant
Multiplexers
Affordable, high
capacity backhaul
Continuous Fiber
Monitoring Probe
Fiber backhaul
service assurance
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Aggregators and Signal
Regenerators
Low latency, flexible, cost
effective, multiprotocol
Multiplexers, Amplifiers, Power
Balancers
Self configuring, auto optimizing,
rugged, simple
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CWDM Filters designed for OSP enclosures
Features
 Provides bi-directional Add/Drop
functionality
 Supports up to 8 channel with an
optional 1310 nm add/drop
 Designed for use in Outside Plant
Enclosures
 Thermally stable passives require no
power
 Provides low-loss pass-through for
CWDM Channels
 1,2,4, 8 channel add/drops
Benefits
 Double density (East & West)
 Compact Form Factor
 Can be installed anywhere (OSP)
 Compatible with many enclosures
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CO/MSC eNodeB/Business services:
C1 OUTPUT TAP
Additional
bi-di taps
C1 INPUT TAP
1471 C1
1491 C1
1511 C1
1531 C1
1551 C1
1571 C1
1591 C1
1611 C1
2%
COM 1
1310 nm
COM 2
2%
1471 C2
1491 C2
1511 C2
1531 C2
1551 C2
1571 C2
1591 C2
1611 C2
1310 nm
C2 INPUT TAP
C2 OUTPUT TAP
Variants support upgrade to
16 CWDM channels instead
of 1310nm SONET bypass.
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Benefits:
• Supports traditional SONET 1310nm
transmission
• Quad Density UMUX
• Lower insertion loss
• Single LGX slot width
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Bi-directional OADM Block Diagram
2 CWDM channel bi-directional OADM
1470 1490 1470 1490
Add Add Drop Drop
MON
West Out
East In
East Out
West In
MON
1470 1490
Drop Drop
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OCC55 Channel Check
1470 1490
Add Add
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Wholesale Backhaul using WaveReady Passive WDM
Each mobile tower has a dedicated
Wavelength on shared fiber
Switch/Router aggregation, switch,
and handoff to IP/MPLS core
Primary Hub
Aggregation Hub
SFP
Outside Plant
OSP DWDM
Passive
WaveReady
Amplifiers & ROADM
WaveReady
High Density
Passive
10G
SFP
SFP
SFP
Cell Site Router
SFP
Switch/Router
IP/ MPLS
/OTN
24-fiber
lateral
DWDM SFP used in
Cell Site Router
Aggregation Hub to Primary hub traffic multiplexed
using GigE wavelengths into one fiber pair
Actual Case Study
Conserve fiber.
Maintain traffic in the optical
domain.
Simplify optical networking without
wavelength switching or conversion.
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JDSU CONFIDENTIAL AND PROPRIETARY INFORMATION
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Fiber Assurance for Small Antenna Backhaul

Fiber-to-the-Antenna: high capacity,
low cost, low latency backhaul from
remote radio units.
•

RF-over-Fiber backhaul networks are
the vital link in distributed antenna
deployments.
Continuous Fiber Monitoring
ensures service level agreements:
•
•
•
•
Predictive analysis of fiber
performance degradation due to
accelerated ageing of micro-trenched
and aerial fiber.
Reduce time to restore due to fiber cut
or tampering.
Isolate failures between mobile
operator and backhaul provider.
Monitor reliability of leased fiber.
Fiber Backhaul Provider
Remote Fiber
Testing
Reflector Unit
Centralized
Continuous
Fiber Test Unit
Continuous Fiber Monitoring Enables FTTA Cost Effective Services
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WaveReady Distributed Antenna Backhaul Solution
DAS Backhaul
Demarcation
Intermediate Central Office:
Signal Regeneration
Hub Central Office:
Wireless Provider Co-Location,
Base Station Hotel
DAS Backhaul
Termination
DAS Signal
Regeneration
 Reliable
 Proven
 Cost Effective
Signal Regenerators
Fiber Assurance Probe
 Continuous Fiber Monitoring
 Deployable anywhere
 Low Latency
 Extend Digital RF signals
 Conserve backhaul fiber
 Native Protocols
Improving Mobile Coverage, Reducing Radio Access Network Costs
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Continuous Fiber Monitoring Probe
Reduce FTTA Service Downtime and Costs
 Cost Effective
– Monitor Transmit and Receive Fibers.
 Monitor Any Network
– Detect anomalies instantly: reduce
detection time by 50%.
– Preserve revenues by 50%.
– Reduce SLA penalties by 75%.
 Ideal for Fiber to the Antenna:
– Radio Frequency over Fiber
 Deploy Anywhere:
– Hardened, unpowered, Remote Reflector
Unit.
 Precise:
– 0.1 dB optical power level monitoring
resolution.

Benefits
– Predict issues before they
occur, avoiding network
downtime.
– Accelerate service restoral
time.
– Enable SLAs and increase
revenues.
– Enhance network security:
detect physical layer breaches.
– Eliminate Periodic Visual
Inspections and eliminate
human error.
Continuous Fiber Monitoring for FTTA Services
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Digital RF Signal Extension Using WRT780/781

WaveReady provides a low latency
Digital RF (e.g. CPRI or SeRF)
signal extension: maximize the
number of services being
transported over a fiber pair.

Increase capacity, reach, and
reduce cost using CWDM or
DWDM.

Distributed Base Stations
Simultaneously support two Digital
RF signals (ie: any combination of
614Mbps, 1.228Gbps, 2.457Gbps,
3.072 Gbps):

Regen
Office
Hub Office/
Base Station Hotel
RRU
Extend reach & multiplex multiple
interfaces over one fiber.
3.072 Gbps
RRU
WRT780
Transponder
WRT780
Transponder
WRT780
Transponder
WRT780
Transponder
RRU
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JDSU CONFIDENTIAL AND PROPRIETARY INFORMATION
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WaveReady Is… Meeting The Challenges
Outside Plant
Multiplexers
Affordable, high
capacity backhaul
Continuous Fiber
Monitoring Probe
Fiber backhaul
service assurance
© 2011 JDS Uniphase Corporation
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JDSU CONFIDENTIAL AND PROPRIETARY INFORMATION
Aggregators and Signal
Regenerators
Low latency, flexible, cost
effective, multiprotocol
Multiplexers, Amplifiers, Power
Balancers
Self configuring, auto optimizing,
rugged, simple
© 2014 JDS Uniphase Corporation
|
JDSU CONFIDENTIAL AND PROPRIETARY INFORMATION
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