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I TU- T W o r k s h o p “ N GN a n d i t s T r an s p or t N e tw o r k s “Kobe , 20 -2 1 Ap r i l 2006 2

ITU-T

FTTH Pen et r a t ion in Japan

B-PON introduction

  Sept . 2002

June

1M

2M

3M

4M

5M

   N  u  m   b  e  r  o   f   F   T   T   H

  u  s  e  r  s

Dec June Dec June Dec June Dec0

Source: Ministr y of Int ernal Aff airs and Communication, Japan

2002 2003 2004 2005

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I TU- T W o r k s h o p “ N GN a n d i t s T r an s p or t N e tw o r k s “Kobe , 20 -2 1 Ap r i l 2006 3

ITU-T

CO

ONU

Core

Network 

1310nm

1490nm

Optical splitter (passive)

Bi-directional transmission

over one fiber using WDM

PON Tech n olog ies

OLTONU

ONU

Upstream packet multiplexing

on fiber without collision

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I TU- T W o r k s h o p “ N GN a n d i t s T r an s p or t N e tw o r k s “Kobe , 20 -2 1 Ap r i l 2006 4

ITU-T

PON Adv ant ages

o Very h igh speed dat a up t o 1 Gbi t / s t o

hom e and businesses

o Maint enance cost reduct ion due t o noelect ronics bet w een CO and cust omers

o Low cost due t o f iber and CO int erf aceshared by several cust om ers

o Const ant dat a rat e r egardl ess of reacho Mul t ip l e appl icat ions incl uding dat a (IP),

v ideo and voice ( t r ip l e p lay)

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ITU-T

Br oadband I n t er ne t app l i cat i on

o FTTH in Japan st ar t ed f rom sim ple appl icat ion ofIP/ Et hernet and i t is st i l l dominant

o Sim pl e indoor ONU enabl ing econom ical Broadbandaccess of 100 Mbit / s best ef f ort servi ce

o The ser vice i s l i ke sim pl e ext ension of ADSL

ONUOLT

CO

InternetInternetInternet

Home

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I TU- T W o r k s h o p “ N GN a n d i t s T r an s p or t N e tw o r k s “Kobe , 20 -2 1 Ap r i l 2006 6

ITU-T

DownstreamData + RF video

Central Office

UpstreamData

OLTONT

Home or Business

Voice

RF video

Data

VoiceNetwork

VoiceVoice

NetworkNetwork

RFVideo

RFRF

VideoVideo

Data

Network

DataData

NetworkNetwork

Tr ip le p lay w i t h RF v ideo

o RF over l ay using WDM pr ovides convent ionalCATV t ype video service in addi t ion t oBroadband Int ernet

o Very popular i n Nort h Am er ica

    W

    D    M

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I TU- T W o r k s h o p “ N GN a n d i t s T r an s p or t N e tw o r k s “Kobe , 20 -2 1 Ap r i l 2006 9

ITU-T

W hy GPON now ?

o St andardi zed by t elecom operat ors and t elecom

vendors in ITU-T

o Various operat ion and m anagem ent capabi l i t yinher i t ed f rom convent ional pr oved t e lecom

technologies

o Fut ure-proof bandwidt h

• 2. 4 G / 64 user s = 35 M per user

• 35 M = 6 M (HDTV-MPEG4) x 4 ch + 10 M (Int er net )

o Sui t abl e f or business user s because of var ious

QoS and bandw id t h m anagem ent

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ITU-T

GPON ex am p le

InternetInternetInternet

ONU(Single Family Unit)

OLT

ONU(Multi Dwelling/Tenant Unit)

2.4 G

1.2 G

20 km

10G/1G

   1   G

100M

1  0  0  M  

IPTV

systems

IPTVIPTV

systemssystems

VoIPsystems

VoIPVoIPsystemssystems

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ITU-T

Conclus ion

o B-PON ini t iat ed t he f i r st m assive PON

rol l out in Japan

o PON t echnology is suit abl e f or t r ip le pl ay

services (voice, video, dat a)

o Fut ure-p roof G-PON t echnology avai lable

and soon t o be dep loyed m assivel y