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Technology Overview
Broadband Passive Optical Networks(BPON)
NCTIA ConferenceJune 2005
Jas Sangha
Marketing Manager
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Agenda
> PON Standards> Acceptance
> Technology
> Video Delivery Options
> Summary
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Why FTTP? Why Now?
Service
Provider
Standards
Regulat ion
Investment
Revenue
Churn
Declining Revenue
Cost
Maturity
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PON Standards - Overview
BPON EPON GPONStandard ITU G.983 IEEE802ah ITU G.984
Data Packet Cell Size 53bytes 1518 bytes 53 to 1518 bytes
Maximum Wavelength 622 downstream;155 upstream
Symmetric 1.2Gbps Configurable
2.4Gbps downstream1.2 Gbps Upstream
Traffic Modes ATM Ethernet ATM Ethernet or TDM
Voice ATM VoIP or TDM TDM
Video 1550nm overlay 1550 nm overlay Either over RF or IP
ODN ClassesSupported
A, B and C A and B A, B and C
Max PON Splits 32 16 64
Standardization Commercialized
& Deployed
Standard under
raticiacation
Standard Ratified
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PON Basics
> FTTP
> PONPassive Optical Network
> APONATM PON
> BPONBroadband PON> GPONGigabit PON
> OLTOptical Line Termination
> ONTOptical Network Termination
> ODNOptical Distribution Network
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Broadband PON (BPON)
> ITU G.983 ATM-PON approved standards:
> G.983.1(1998): optical layer, transmission convergence layer, and ATMlayer for BPON systems
> G.983.2 (2000): operations channel protocol and message set (OMCI)between the BPON OLT and the ONT
> G.983.3 (2001): alternative wavelength plan including additionalwavelength band for downstream video broadcast or for bi-directionaltransport of data using DWDM
> 155 symmetrical to 622 Mb/s asymmetrical shared by homesfor voice and data
> Guaranteed Quality of Service through ATM: CBR, VBRnrt,VBRrt, UBR
> FSAN committee as a major source of input (Service Provideroriented)
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Carrier AcceptancePONSource: FSAN
> North America> Verizon> SBC
> Qwest
> Bell Canada
> International> NTT> British Telecom
> Deutsche Telecom
> France Telecom
> Telefonica
> Sprint
> CenturyTel
> Citizens/Frontier
> TDS
> Telstra
> Swiss Com
> SingTel
> Chunghwa
> Eire
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Downstream
1490 nm
Upstream
1310 nm
1490nm/1310nm, 1550nm
Video
(l)
Data
(AAL5)
POTS
(AAL1,2)
Voice & Data Voice/Data & Video
Optical
Splitter
1x32OrCascade
OpticalCouplers
(WDM)
Video
1550 nm
Voice and Data@ 622 Mbps
Video
1310 nm 1490 nm
DownstreamUpstream1550 nm
Digital TVAnalog TV HD/VOD
550 MHz 860 MHz42 MHz
Voice and Data@ 155 to 622 Mbps
OLT + GW
FSAN Standard; ITU G.983
ONT
EDFA(Erbium DopedFiber Amplifier)
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How Does BPON Work?
ONT
ONT
ONT
A
B
C
A B C +GRANT
A B C +GRANT
ONT
ONT
ONT
A
B
C
A
Upstream:Time Division Multiple AccessDownstream:Time Division Multiplex
Downstream: 622 Mbps @ 1490nm
Upstream: 155 Mbps @ 1310nm
Outside Plant: Optical Distribution Network Customer Premise: ONT(Optical Network Termination)CO, Feeder: OLT(Optical Line Termination)
ATM switch,PSTN,Internet
Services to user:POTS,Internet Access
Passive Optical Splitter
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RT
1:x Passivepticas Splitters
OC3OC12
32 Homes
622 Mbps
155 Mbps
VIDEO
Central Office
20 km / 10-25 dB loss
BPON Network Overview
OLT + GW
Video
Data
PSTN
OLT
Up to 20kms (12.4 miles)
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Video Selection
> Video considerations> RF vs. IP
> Bandwidth
> Digital services
> HD
> Local control ability to add applications
> Off air decisions
> VOD
> Local Television Stations> Set Top Box options
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Video over RF
> Dedicated 5+Gbps for broadcast TV, including HDTV> FSAN Standard (1550nm wavelength)
> Both G.983 (BPON) and G.984 (GPON) standards include this provision
> Delivers digital video content over a single connection (fiber)
> Provides competitive edge over cable companies
Sub
scribers
VideoAdvanced Video Path5Gbps per customer
VoiceHSIVideo
622Mbps (DS)
VoiceHSI
155Mbps (US)
Ne
twork
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Video over RF
> BPON OLTs serve Voice, HSI and CATV video> Can deliver video from a RF video head end
> Utilizes 1550nm transport for analog and digital videoservices out of the Coax connector on the ONT
> Leverages mature CATV infrastructure
> No home wiring re-work
> Can be deployed with or without a set top box
> Channel switching at the STB or TV
> US RBOC purchasing of this approach will improve
component cost (FTTP)
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Amplifier
1550nm Optical TV
ONT
ONT
FTTP CO
WDM Combiner
OLT
Headend CATV line-up(with or without Set Top Box)
CATV line-up(Analog or Digital,
50-850Mhz)
Transmitter (E/O),
Amplifier
Video over RF Solution
No Need To Re-Evaluate Bandwidth
Fire and Forget
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RF Video Architecture
1550 nm
1550 nmOptical
Transmitter
OLT
EDFA
CWD
M
Central Office
1490 nm
1310 nm
ONT
STB
Voice
Residence
InteractiveNetworkAdapter
70-130 MHz
QPSK
Data
RFVideo
RFAdapter
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RF Return Adapter
STB
Voice
Stand alone RF Adapter
Data
RF
Triplexer
RF Adapter
RF
1310 nm
1490 nm
1550 nm
STB
Voice
Integrated RF Adapter
Data
RF
Triplexer1310 nm
1490 nm
1550 nm
RF Adapter
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RF Video
> Pros:> Mature technology (Available Today)
> Lower overall costs
> High level of interactivity
> HD and VoD today> Vendors are big industry players
> Does not impact data bandwidth to customers or transport network
> Cons:
> Cant share Head End with Video over DSL> Me Too service offering?
> Limited ability to build vertical service offerings
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IP Video Network
SONETOr GigE Transport
Exchange
Exchange
ADSL2+
BackofficeNetwork
(Service Creation
and Billing
IP VideoHeadend
FTTN
FTTP
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In-Band IPTV (SDV)
> Deliver video from a new or legacy IP video head end
> Supports copper and fiber infrastructure
> Utilizes the in-band 622Mbps pipe for IP video content
delivery over the Ethernet port on the ONT> Converged network for voice video and data
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BPON Summary
>Standards-based, end-to-end solution>Mature and deployed technology
>Scalable ONT solutions
>Flexible Video offering, RF or IP
>Time to Market
>Carrier Acceptance and Deployments
>Largest carriers in NA have standardized on PON
>Large carrier acceptance leads to volumes cost reductions
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