44 - IDNOG03 - LT - Rommy Kuntoro - G.Fast 1Gbps over Copper Cable, Are we ready?
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Transcript of 44 - IDNOG03 - LT - Rommy Kuntoro - G.Fast 1Gbps over Copper Cable, Are we ready?
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G.Fast1Gbps over Copper Cable
“Are we ready ?”By
Rommy Kuntoro
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What is G.Fast ?• Ultra high data rates
• Bandwidth: 2-106Mhz - Up to 1Gbps in Amd 1/ 2 on a single pair, double with bonding• Bandwidth: 2-212Mhz - Up to 2Gbps in Amd 3 on a single pair, double with bonding
• Using Time Division Duplexing ( TDD ) Technology (not FDD like VDSL)• Provide ratio control Downstream/Upstream bandwidth ( 90/10, 80/20 , 50/50, 70/30 )• Dynamic Time Slot Allocation (dynamic upstream/downstream) ratio for future
• Vectoring is part of the standard
• Robust operation – self install friendly• Fast OLR ( online reconfiguration)• Ability to quickly track changes on the line (precoder updates)• Short retrain time
• Low power consumption• Discontinuous operation• DRA ( Dynamic Resource Allocation )
G.Fast is ITU Standard (G.9700/G.9701) for local loops shorter than 500m
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The industry is gathering behind G.fast
Nokia(ALU)
Huawei
ZTEAdtran Calix
HFR Dasan(Zhone)
Altice Labs
Zinwell Zyxel
Gemtek
Pegatron
TP-Link
T&W
& many others
Sckipio
BRCM
Intel(Lantiq)
Metanoia
Triductor
Realtek(Cortina)
Hi-Silicon
Silic
on
Equi
pmen
t
Sagem
Technicolor
QCA(Ikanos)
Impressive number of silicon vendorsare heavily invested in G.fast
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BT Presentation at G.fast Summit in May
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DSL Spectrum Chart
0 1.1 2.2 8.8 Mhz
12 Mhz
17Mhz
30Mhz
106 Mhz
212 Mhz
ADSL
ADSL 2+
VDSL 8a
VDSL 12
VDSL 17
VDSL 30
G.Fast
G.Fast amendment 3 (due this fall)
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How VDSL 2+ Coexistence with G.Fast ?
2.2 8.8 Mhz
12 Mhz
17Mhz
30Mhz
106 Mhz
VDSL 2+
G.Fast
20Mhz
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G.Fast Implementation
.
.
.16Metro E OLT DPU/MDU
CPE
PON< 2 Km
Copper< 500 m
FTTdp = Fiber To The distribution point
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G.Fast Challenge
Copper CABLE with many kind type and twisted
Current Best Practices isCAT 5e Cable with Max 350 - 500 Meters
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G.Fast Devices in My Lab
RJ 21G.Fast MDU G.Fast CPE
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The EndRommy [email protected]