Rezes elérési hálózatok (a) fényes jövő előtt · PDF...
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Transcript of Rezes elérési hálózatok (a) fényes jövő előtt · PDF...
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Lighting the copper
Rezes elérési hálózatok (a) fényes jövő előtt
Gergo Bander
12/Apr/2016
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Page 2
Giga Access on copper, a big potential to explore
Vectoring
•Speed: 50M-100M
•Dist.: 800-300m
•Mature
• for FTTC site sink
G.fast
• Speed: 500M-1G
• Dist.: <100m
• ~Year 2016
5GBB
•Speed: 2G~5G
•Frequency:~800MHz
•Dist.: ~50m
•~ Year 2020
VDSL2
•Speed: 30-50Mbps
•Dist.: < 1200m
•Mature
• for FTTC
ADSL2+
2.2 17 35 106 212 f (MHz)
VDSL2
G.fast
ADSL2 G.992.3/4
ADSL2+ G.992.5
0.1M
50M
20M
6M ADSL G.992.1/2
VDSL2 G.993.2
100M Vectoring G.993.5
1G
1999 2002
2003
2004
2012
G.fast
Bandwidth
ISDN
Telephone
1876 Dial Modem 1981
1985
5GBB 2015
2020 5G
1876
SuperVector
2016 300M
SuperVector
•Speed: 100M-300M
•Dist.: 700-300m
•Year 2016~2017
•Vectoring site
upgrade smoothly • Dist.: 300-100m
• To be determined
Super Vector
LR-G.fast
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Page 3
User
TTM
CAPEX
• Experience
• Smooth evolution
• Research
• Standardization
• Chipset
development
• Operator – Vendor
cooperation
• Pilot
• Fiber To The „x”
• Fiber and Copper
Lighting the Copper
Why Copper ?
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Page 4
What is in the box ?
Superfast copper technology
Power Supplying
How does it look like? (not the color / surface)
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Less investment and
quick deployment
Integrated equipment
Reuse of live network copper lines
16 G.fast ports
GE access without optical fibers
G.fast GE access
MA5811s-DE16
Flexible power feeding and
multiple application scenarios
DC power supply system or RPS systems
IP68 protection rating and multiple application scenarios:
manhole, pole-mounting, wall-mounting, outdoor cabinet,
corridor, and basement
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Less investment and
quick deployment
Integrated equipment
Reuse of live network copper lines
8 G.fast ports
GE access without optical fibers
G.fast GE access
MA5811s-AE08
Reverse PoE to overcome difficulties in
obtaining power
Reverse PoE
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Technology
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G.fast band plan: Expands to 106MHz
VDSL2 band plan
G.fast
106MHz
G.Fast: Expands to 106MHz, 212MHz is under discussion
212MHz
VDSL2 spectrum plans (typical 17a)
14.5 dBm Tx power
G.fast line power consumption is
lower than VDSL2:
4dBm Tx power
-65dBm/Hz PSD <30MHz
-76dBm/Hz PSD > 30MHz G.fast … … G.fast
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Giga Copper: 5G FBB
5G FBB.G. fast
0 up to 500-800MHz
G.fast-1
0 0~106 MHz 0~212 MHz
FTTD:
Fiber to the
door
Application Scenario
Distance: ~50m
Speed target: 2-5Gbps
FTTdp, reusing exiting copper
Reverse powering
Possible Tech features
Prototype: 2018 ?
Standard and product: 2020
for ~5Gbps/pair with 500M-800M Hz
Enhanced LDPC/Full duplex
G.fast-2
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SuperVector Fill the Gap Between VDSL@FTTC and FTTH/G.fast
0 100 200 300 400 500 600 700 800 900 1000
FTTH
FTTD (single port)
G.fast
FTTB (multi port)
G.fast
FTTC
VD2&Vector
1Gbps
~1Gbps@100m
50~100Mbps
@300~800m
Distance (m)
Cost
x4
x3
x2
x1
100M
FTTC
SuperVector
200~300Mbps
@300~700m x1.2
200~300M
1G
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0
50
100
150
200
250
300
350
0 100 200 300 400 500 600 700 800 900 1000 1100 1200
What is SuperVector?
SuperVector extends spectrum, others are the same as VDSL2 Vectoring
VDSL2 17a
17.6MHz
US0 DS1 US1 DS2 US2 DS3
SuperVector extends modulation spectrum to 35Mhz
138KHz 3.75MHz 5.2MHz 8.5MHz 12MHz
Tone: 4096
SuperVector US0 DS1 US1 DS2 US2 DS3 DS3+
30~35MHz 17.6MHz 138KHz 3.75MHz 5.2MHz 8.5MHz 12MHz
Tone: 8192
SuperVector
VDSL2 17a
Tone space
Compatible with VDSL2 17a Vectoring
Mbps: NDR DS performance of SuperVector
Distance
Distance
Mbps: NDR
• Huawei Simulation • Diameter: 0.5mm, 35Mhz spectrum
m
m 0
10
20
30
40
50
60
70
80
0 100 200 300 400 500 600 700 800 900 1000 1100 1200
SuperVector
VDSL Vector
Tone space
SuperVector
VDSL Vector
US performance of SuperVector
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SuperVector is better for existing VD2/Vector outdoor site BW improvement
LR-G.fast is much better for loop line <300m
Model FTTC FTTDp/FTTB FTTD
Solution Super Vector
(35b)
LR-G.fast
(coexist with VD2) G.fast (pure)
Scenario Former site
improvement Site fission
Solve home
entering issue
Product MA5603T/
MA5616
MA5818/
MA5811S-DE48/AE08 MA5851S
FTTC (300~800m)
FTTDp (300m)
FTTB (100m)
FTTH/D
0
100
200
300
400
500
600
700
800
50 100 200 300 400 500 600 700 800 900 1000
Super Vector & LR-G.fast BW performance (Down Stream)
SuperVetor 高性能G.fast(VD2共存) VD2&Vector
SuperVector:
Former site improvement
LR-G.Fast :
Site fission
LR-G.fast US: DS = 1: 9
Twisted-pair diameter 0.5mm
Mbps
Meter LR-G.fast (coexist with
VD2)
Remark: contact headquarter for detail information if there is MA5818 project
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More Technology
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Hybrid CPE bonding access solution Realize converged Access
Packets can be Seamless
transferred by different tunnel and
the service is guaranteed.
Cheapest Pipe First
VDSL
LTE
x Mbps
x+y Mbps
VDSL
LTE
Auto Fallback
DSLAM
eNodeB EPC
BRAS/BNG
Mobile Network
Fixed Network Internet
Hybrid CPE
Aggregation Server
Subscriber have better experience with higher bandwidth and no perception for Fixed+LTE bonding
Packet-based Bonding
App1 App1
App2 App2
LTE
xDSL
Packets from same traffic stream can
be transferred by different bearer
Only Traffic exceeding DSL MAX
bandwidth threshold will be
carried over LTE
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What Can VDSL2 Bonding Do?
With Bonding, 50M @VDSL2 can reach up to 1300m
VDSL2 bonding mainly focus on increasing the distance.
0
20
40
60
80
100
120
140
160
0
10
0
20
0
30
0
40
0
50
0
80
0
11
00
13
00
14
00
15
00
Ra
te (M
bp
s)
Loop Length (m)
xDSL Rate vs. Reach Curve(AWG26, w/o noise)
50M: 700m -> 1300m
xDSL Rate vs. Reach Curve(AWG26, single pair, w/o noise)
0
20
40
60
80
100
120
0
10
0
20
0
30
0
40
0
50
0
70
0
90
0
12
00
15
00
20
00
Loop Length (m)
Rate
(M
bp
s)
VDSL2 DS
17a profile 50M @700m
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What about the Coaxial cable ?
Huawei Largest Capacity DOCSIS 3.1 Product
2013.09 SCTE
Industry
First D3.1 prototype
2015.Q4
Industry
First D3.1 product
2014.12 CableLabs IOT
Industry
First D3.1 IOT
8-in-1 CMC module
Plug and Play
D3.0 32*10+D3.1 2*2 = 5.2 Gbps Dn/ 1.6Gbps Up
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