Post on 14-Apr-2018
transcript
7/29/2019 Convergence Creates Value - MW Proposition.pdf
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Convergence Creates Value
Huawei Microwave Overview
Leonida MacciottaSr. Marketing Manager
Transmission Dept.
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HUAWEI TECHNOLOGIES CO., LTD. Page 2Huawei ConfidentialHUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Agenda
Huawei Microwave Milestones
Converged R&D Across Domains
IP Transformation Projects
Technical Overview of Huawei’s MW
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HUAWEI TECHNOLOGIES CO., LTD. Page 3Huawei ConfidentialHUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Huawei Microwave Milestones
Networking MW
Hybrid IP MW
All Packet MW
Market
research
R&D LaunchOutsourcing
TK Project
To enter the field of MW
• 2000, Started market research
• 2001, Outsourcing with other vendor
• 2003, RTN R&D Launched Patents
Net Tech. Research • E-band Gigabit radio
• Full outdoor architecture (SMART)
Go to Market
• 2007, Networking MW official release
• 2008.Q4, Hybrid MW release• 2009.Q1, Packet MW release
•2010.Q2 Enhance Hybrid MW release
• Same platform for TDM/Hybrid/Packet Radio
Patent Technology
•2006.6, Frame adaptation technology
• 2006.12, Frame overhead technology
SingleRadio
Eband&FO
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Rolling 4 quarters(10Q1-10Q4), the whole IP MW
market is about 3.36 billon$, Huawei shared 18%,
ranks No. 2
IP MW No. 2
Rolling 4 quarters(10Q1-10Q4), the whole MW
market is about 4.82 billon$, Huawei shared 14%,
ranks No. 3
MW No. 3
Rapid Growth, Leading IP Radio Growth No.1
Source: Skylight Resource 2011
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HUAWEI TECHNOLOGIES CO., LTD. Page 5Huawei ConfidentialHUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Germany
UK
Ireland
Czech.
Brazil
Venezuela
30% Share
Germany
Spain
PortugalPoland
Romania
Czech
Turkey
Egypt
Mozambique
60% Share
Germany
Hungary
Austria
Czech.
Slovak
Greece
Romania
Bulgaria
Albania
70% Share
Denmark
Hungary
SerbiaUkraine
Bangladesh
Malaysia
India
30% Share
Bangladesh
Pakistan
CongoCote
D’lvoire
Egypt
Saudi
Nigeria
Columbia
Ecuador
Peru
Argentina
Peru
Mexico
BrazilChile
Argentina
Iran
Sudan
Uganda
Malaysia
47% share
Huawei MW: Partnership with Top Operators
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Agenda
Huawei Microwave Milestones
Converged R&D Across Domains
IP Transformation Projects
Technical Overview of Huawei’s MW
Page 6
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Puzzle Circle
• Cutting-edge technologies and high-level
design, such as E-Band, arithmetic,
architecture.
• 50+ senior experts.
• Union lab, support customer experience
and test.
Milan
MW R&D + Competence Center
Chengdu, Xi’an, Shenzhen Italy: Milan China: Xi’an
China:Chendu
China: Shenzhen
Milancutting-edge tech.
Chengdu Product Develop
Xi'anRF Research
ShenzhenPlatform & NMS
• Product and chips
• 600+ engineers
• RF rearch center
• 200+ engineers。
• Software and NMS
• 300+ software engineers
Four Research Centers, MW Competence Center
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Leading Global Partners to Ensure Fast-delivery
Network Planning
Partners
• 100+ countries,358 project experience
• Over 250,000 hops deliveryexperience, 60% of them are IPmicrowave
• 10,000+engineers, 75% localization.
• 103 delivery centers, 10 region support centers.
> 250,000 hops delivery capability (2011)
Partnerships with 1,100+ engineering companies with 9,600+ qualified engineers
Telecom Design
PartnersTower Design
PartnersCivil Works Partners Logistic Partners
HW HQ
TSC
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Convergence Create Value
Share packet-platform
Top3 :IP
18years experience MPLS+ASIC
MSTP/ Cross connection ASIC “Networking” Tech.
Top1 :TransportMUX Card
TOP1, 16years experience
C onv er g e
n c e cr e a t ev al u
e
Broadband
Networking
IP/Evolution
RF/MMIC
Top2 :wireless
TOP2, 20years experience Share R&D team
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
MPLS Architecture
IETF
MW Architecture
ETSI
frequency spectrum
Eth.& MPLS protocol
ITU
Eth. interconnection
EANTC
Ethernet Architecture
MEF
Ethernet protocol
IEEE
Comply with standards, such as ITU, ETSI, IETF
MEF9/14 certification in 2009; Pass EANTC (Europe) interconnection test in 2010.
MEF9/14Certificate
Guaranteed Microwave by Standards
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Agenda
Huawei Microwave Milestones
Converged R&D Across Domains
IP Transformation Projects
Technical Overview of Huawei’s MW
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Unified Platform, Best Choice for IP Evolution
VDF: 12 sub-network go to Huawei,1st T/H/P unified platform deployment
• BEP2.0(mobile backhaul /RTN) & BEP1.0(PTN).• Realizes it‟s “ IP Core to IP RAN” deployment strategies
TO2: 6 sub-network, built the largest hybrid MW project(10,000+ hops)
• Flexible and abundant interface, high transmission efficiency, suitable for 2G, 3G evolution
• Unified management network with WDM and MSTP, convenient to maintain, save OpeX
TIM: the biggest packet MW project, get through the most strict test
• Pass the strict test of TI, the stable capability of RTN900 series win the customer‟s credit.
• Unified platform, hitless AM, and carrier-class OAM saves TCO for TDM/ATM/IP co-exit networks.
Telenor: 8 sub-network go to Huawei, cover Europe, Asia and CIS
• 6 subsidiaries distributed in Europe, Asia and CIS, complexity and rapidly 3G business
growing are main reason for TDM//Hybrid/Packet unified.
T-Mobile: 9 sub-network, Hybrid & Packet deploy step by step
• The first hybrid microwave project in 2009, excellent product quality and good delivery record
• It has 9 subsidiaries, such as Germany, Hungary, Austria, etc. choice Huawei IP microwave
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
VDF BEP2.0 IP Microwave Project
Massive 3G, H+ and 4G strategy desires expand the bandwidth with
limited spectrum resource for radio access transport.
Request unified transport technology with advanced hierarchy
network, such as BEP1.0, to save the OPEX.
Fast delivery to match wireless strategy requested.
Vodafone Challenge
Adaptive Modulation to save spectrum with large bandwidth.
The XPIC and Air link Agg. Technology to realize the 800M to N*GE
just in one link.
Creative networklized microwave network with unified NMS with
other network equipment to save TCO.
Unique vendor to provide the Hybrid and Packet IP-MW both.
Huawei Solution
To support VDF global mobile broadband strategy speed up.
TCO saving with a innovational microwave backhaul network.
Creative business model to release the cash flow pressure, to help
VF restructuring and optimizing financial report.
How VDF Benefited
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
RTN 900 application in VDF until now 30000 Hops
VDF Spain:Phase 0 : [01.2010-04.2011]
Total 4327 hops
Vodafone Egypt:Phase 1 : [01.2010-12.2010]350 hops
VDF Portugal:450 hops [Deliveredafter PO without I&CService]
Vodafone Czech:10 years frame contract.2100 hops.
Poland Polkmotel:[07 2010 - 12 2010]:
300 hops.
Germany D2:Massive Rollout: [08-2010 - 04-2011] 4410 hopsPilot: [04-2010 - 08-2010]Test Bed: [01-2010 - 05-2010] includingequipment and Oss test
Vodafone Turkey:[06 2010 - 03 2011]8362 hops
VDF Romania:Phase 0 : [07.2009-04.2010]Total 574 hops
Vodafone India:[06 2010 - 03 2011]8362 hops
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Help TIM see clearly the road of future
Challenges TDM/ATM/IP traffic co-exiting, high TCO with different bearer network
TDM/ATM leased line is costly push to all IP
Doubt deeply for operational packet network
Huawei Solutions
PWE3/MPLS to bear TDM/ATM/IP services in same platform
Reduce cost using AM, flexible time synchronous in PSN, such as
1588V2
Entireness carrier-class OAM for packet network
How TIM Brazil Benefited
Same platform to bear all service, save investment evolution to all IP
Better OAM with fewer equipments; No external time sync.
equipments
Paved the way for operational, manageable, flexible all IP network
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Challenges Fast increase 2G/3G data service need more bandwidth
Low efficiency of traditional microwave lead to high TCO
Hop by Hop construction lead to complicated and high-cost network
Huawei Solutions
IP microwave solution with up to 256QAM adaptive modulation.
Native Ethernet mapping to microwave frame in air raise transmission
capability
Flexible, fast and reliable networklized microwave
How TO2 (Telefonica O2) Germany Benefited
The highest link Ethernet throughput and an future-orient all IP
transmission network to meet explosive data service.
Up to 25% additional income from high efficiency than traditional
solution.
Networklized solution save 17% TCO.
TO2 leading IP MW commercial deployment
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
T-Mobile: Looking for the right solution
Challenges
With rapidly 3G network development, the mobile backhaul trafficgrows fast.
Other operators speed up in mobile network developing, T-Mobile
have to launch advanced technique to keep the leading position.
14 subsidiaries, rapid growing, and very different situation, requires
smooth and flexible IP evolution solutions.
Huawei Solutions
Hybrid + Packet unified platform, smooth and flexible configuration,
fulfill
the requirement for any scenarios
good support and strong delivery ability, the experience on T-Mobile
Hungary hybrid project which start in 2009
How T-Mobile Benefited
Networking microwave help providing new service quickly, and
reducing Opex.
TDM/Hybrid/Packet MW in one versatile box to match complexity
network scenarios of T-Mobile, easy to build IP RAN.
Hitless AM, Eth XPIC, G-Level transport to fully satisfy with
broadband service.
SlovakiaHungary
GermanyPoland
Czech
Republi
cAustria
Macedoni
a
United
Kingdo
m
Croatia
Montenegro
Netherlands
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Agenda
Huawei Microwave Milestones
Converged R&D Across Domains
IP Transformation Projects
Technical Overview of Huawei’s MW
Page 18
M bil B kh l T d d Ch
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Mobile Backhaul Trend and Changes
2000 1X
153.6k / 153.6k
EV-DO(R0)
2.4M / 153.6k
EV-DO(RA)
3.1M / 1.8M
EV-DO(RB)
<73.5M / 27M
LTE
100M / 50M
2GR99/R4
384k / 384k
HSDPA(R5)
14.4M / 384k
HSUPA(R6)
14.4M / 5.76M
HSPA+(R7)
43M / 11.5M
LTE(R8)
100M / 50M
M o b i l eE v ol u t i on
CDMA2000
WCDMA
• Higher capacity and IP service bearing as the new requirement.
• 2G and traditional TDM resource should also be considered.
BSC RNC
NodeB eNodeB
aGW
BTS NodeBBTS BTS
B
a ck h a ul
E v ol u t i
on
TDM+Eth. ALL IPTDM
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Mobile Data Explosion
Move to All-IP Mobile
Network
Increase in Site Density
The Key Challenges in Mobile Backhaul
Co-existence of Legacy
Equipment
How to satisfy allthese demanding
requirements?
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
PoC5
Ring type
Star type
PoC5
Network Topology Evolution – Urban
„Backhauling‟ section
Optical Ring
(MW ring)
„Feeder‟ section„Tail sites‟ section „Micro cellular‟ section
PoC1
PoC2PoC3
Traditional network topology
PoC4
PoC4 PoC3
Capacity
Fiber OpticPacket RadioVery HighDensity
E-band as fiber
complementary
technology
High End E-band
as complementarytechnology to fiber
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Network Topology Evolution - Rural
„Backhauling‟ section
LTE Deployment weight: 10 15%
MW ring
„Feeder‟ section
LTE Deployment weight: 30 / 35%
„Tail sites‟ section
PoC1
PoC2PoC3
Traditional network topology
„Tail sites‟ : 40 45% „Feeder‟ : 40 45% „Backhauling‟ : 10 15%Current deployment weights
PoC4
PoC4 PoC3
Capacity
PacketRadio
• XPIC/Adaptive Modulation• Radio LAG• Packet Compression
GigabitRadio
• >100 MHz (channel bundling)• 1024 QAM• MIMO
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
System Overview of RTN 900
Microwave feature:
• 1+0,1+1 HSB/SD/FD, N+1, N+0 (LAG)
• Hitless AM with E1 Priority
IP/Ethernet feature:
• E-LINE, E-LAN
• Bandwidth Accelerator
• Ethernet OAM, LSP OAM / PW OAM• ERPS, MPLS APS 1:1
• VLAN, LAG, Flow Control
• QoS: DiffServ for 8 classes, CAR
• EoPDH (Ethernet over PDH)
Synchronization
• IEEE 1588v2• Synchronization Ethernet
• CES ACR
Basic Interface
• E1, STM-1, FE, GE(e/o)
2 RF,8*8VC4&4.2Gbps
6 RF,32*32 VC4&10Gbps
14 RF,128*128 VC4&22Gbps
RTN 910 (1U)
RTN 950 (2U)
RTN 980 (5U)
UniversalODU & Antenna
6-42 GHz
Platform-oriented Microwave System Powerful Feature Set
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E2E P d t S l ti
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E2E Product Solution
BSC/RNC/aGW
BTS
NodeB
eNB
eNB
LTEeNB
eNB
LTE
• 2 IF direction
• 8*8 VC4 + 4.2 Gbps
•6 IF direction
•32*32 VC4 + 10 Gbps
RTN 910 RTN 950
• 14 IF direction
• 128*128 VC4 + 22 Gbps
RTN 980
• Full outdoor solution
BTS
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Universal Switch Design
System Control and Switching System Control and Switching
Slot5: VC-4 & GESlot3: VC-4 & GE
Slot1: VC-4 & GE
Slot6: VC-4 & GESlot4: VC-4 & GE
Slot2: VC-4 & GE
• Universal switch design for TDM and Eth.
• Cable free, less failure points, easy OAM reduced OPEX.
System Control and Switching
(TDM & Eth)
Main
Backupn*VC4
n*GE
n*VC4
n*GE
n*VC4
n*GE
n*VC4
n*GE6
4
2
5
3
1
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
E2E QoS Required Building Blocks
Policing at the UNI
Configurable Scheduling
Bandwidth Profile• CIR, PIR
• CBS, PBS
• Profiles defined per
flow (up to 1k flows)
Zero-delay Queues• 8 queues
• Choose scheduling per each queue
• Low priority packet
fragmentation
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Protection Schemes
Level Type Mode
Equipment • 1+1 Controller/Switch• Power Supply Input & Module• ODU HSBY• Inter-Card interface LAG
All
Link• ODU SD, FD, N+1• LAG (FE/GE, Radio)• 1+1 MSP (STM-N)• Link Loss Forwarding (FE/GE)
All
Network • SNCP• ERPS (G.8032)
TDM, Hybrid, Enhanced HybridHybrid
Service • 1:1 LSP Tunnel
• 1:1 Pseudowire
MPLS, Enhanced Hybrid
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Full modulation mode: QPSK 16 32 64 128 256QAM
Hitless Modulation Switching, No Traffic Interruption
AM with QoS (8-class priority) ensures high priority traffic.
Hitless AM technology
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Time99.999%
99.99%
99.9%
QPSK
64QAM
256QAM128QAM
32QAM16QAM
About 9 hours / year
About 4 hours / year
About 53 mins / year
…26 mins…
.11 mins.
Capacity
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
AM: Optimize Link Engineering
1.28km without AM
160-180 Mbps at 99.999%
2.5km with AM
180 Mbps at 99.99% and 40Mbps at 99.999%
18 GHz, 20 MHz
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Without Adaptive Modulation:
With Adaptive Modulation:
requires 1.2m antennas
requires 0.3m antennas only
Without Adaptive Modulation:
With Adaptive Modulation:
40Mbps
180Mbps(40Mbps guaranteed)
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Enhanced Dual Ring Protection
Hybrid Microwave Network
Hybrid Ring(SNCP/MSP for E1& ERPS for Eth)
Inactive as
protection linkfor Eth. service
Broken
Active
protection linkfor Eth. service
E1-Work E1-Protection Ethernet
• SNCP/MSP and ERPS, millisecond-grade ring protection!
E1/STM-1
FE/GE
BRS
RNC/aGW
FE
E1/GE
GE
MSAN
MSAN
DSLAM
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
MPLS APS 1:1 for LSP E2E Protection
GE
E1/STM-1
FE/GEF
E
BRS
RNC/aGW
Pure Packet Microwave Network
GE
LSP Protection-Link
LSP Work-Link
FE
BTSNodeB
E1
• MPLS protection, any service ,any topology
• Dedicated end-to-end protection based on tunnel
• Short recovery time (<100ms)
MSAN
MSAN
MSAN
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RTN S i ODU
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Full IC and SMT design , High Density &
High reliabil i ty
Energy saving b y PA, Energy
eff iciency impr ove 10%
ODU
Output power
Power
Consumption
Common PA Tech. PA energy saving Tech.
• IC design, no wire bonding connection.
• 8KA lighting protection
• IP65
• 4G wireless technical, wider sub-band,
support more frequency point in one ODU,
30% type decreased.
• Automatically decrease power consumption ,
10% saved (average 2.4w)
• Dense networking: Less adjacent channel interference;
3dB better than industry for resistible interference
Reliable
Green
Wideband
Power
Consumption
Output power
RTN Series ODU
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RTN Series ODU
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Work under Extreme Conditions
8000A l ight ing protect ion,
no need lightning arrester
67m/s wind s peed ,
17 grade
Under 1 meter deep water
RTN Series ODU
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Unified Platform: All Transmission Modes
MPLS
MPLS
MPLS
Pure Packet mode
Real-timeReal-time E1Real time
VLAN 1
VLAN 2
Hybrid mode
Real-timeReal-time E1Real time
MPLS
MPLS
Enhanced Hybrid mode
TDM Mode
Real-timeReal-timeE1Real time
EOPDH
EOPDH
RTN 900
RTN900 can be used for
TDM/Hybrid/Enhanced
Hybrid /Packet mode.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Agile Platform – Any Services
• Any services access, converged to one box and transmitted on one carrier.
TDM
Cross-connection
Packet
switching
PWE3
L2Process
VC
GE
ODU
IDU
STM-1 / 4
E1 / IMA E1
FE / GE
E1 / IMA E1
STM-1 / 4
FE / GE
CES E1
ATM PWE3
E1Native E1
STM-1
ATM
Eth. Native Eth.
Eth. PWE3
MPLS
Native STM-1
All in one pipe
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Typical Transport Evolution
• For Hybrid backhaul, Enhanced-Hybrid solution provides low delay and lowcost for TDM service, and higher efficiency for IP services.
• In later stages, when most services are IP-based and the number of TDM
services is low, running in Pure-Packet mode reduces OPEX unifying
transmission
Native TDM PipeE1 for 2GBTS
SDH
MPLS TunnelNodeB
eNB
MPLSFE/GE for 3G/LTE
Best Partner
RTN 900
0%
100%
IP
MPLS Tunnel
One Tunnel
TDM
Enhanced
Hybrid
Pure Packet
with MPLS
Single
RAN
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Packet OAM: Comparison to SDH
SDH
HO-VC
LO-VC
ESOS
MSRS
E1/E3/E4payload
E1 overhead
VC12 (J2,V5)
VC4(J1,C2)
K1,K2,B2J0,B1
LSP
Tunnel
PW
Physicallayer:
Fiber/Copper
Ethernetlayer
Packet
PTDM/ATM/Ethernetpayload
ETH OAM(802.1ag,802.3ah)
PW OAM
LSP OAM
ETH OAM(802.3ah)
client layer
channel layer
path layer
section layer
Simplify the maintenance of large scale networks
physical layer
M P
L S O A M
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Unified E2E Management and Provisioning
• E2E service provisioning, improves the operational efficiency
• Manage all Transmission NEs, reduce NMS CAPEX and OPEX
Transport Network
MW / MSTP / WDM / OTN
Access Network
MSAN/FTTX
iManager U2000/T2000
WDM/OTN
Web-LCTMSTP+/SDH
RTN 900
RNC
Data
Router/Switch/BRAS
Node B
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Gigabit Microwave Radio
CCDP: Co-Channel Dual-Polarization
IP Header Compression
Improves Efficiency
Ethernet throughput can
increase up to 1Gbps per
channel
IP Header Compression
Full spectrum bandwidth
XPIC
2Gbps throughput per radio
channel
Up to 1Gbps per channel
Up to 2 Gbps per channel
with XPIC
Up to N*1Gbps with LAG(can use XPIC to combine
channels)
Multi-Carrier BundlingXPIC technology
OH Payload
DA SA VLAN … Payload
Eth Header Compression
Throughput Increase up to 100%
Broadband oriented
Page 40
B d idth A l t b ti ffi i
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Bandwidth Accelerator, boosting efficiency
Page 41
NativeEthernet
MPLS
20 Bytes 22 Bytes
IFG PRE DA SA 88A8 S-VID 8810 C-VID Type/Len Payload
12 8 6 6 2 2 2 2 2 46-1500
IFG PRE DA SAType/Len
TunnelLabel
VC Label Payload
BA-
ID
IPv4 / IPv6
Header
IP Payload
2 17 / 37 29 ~ 1483 / 9 ~ 1463
BA-ID IP Payload
2 29 ~ 1483 / 9 ~ 1463
L3: - 31~59 Byte (Approx. 90%)
L2: - 14~22 Byte (Approx. 50%)
Without Bandwidth Acceleratorandwidth Accelerator inside
Frame
Head
Frame
Head
Paylo
ad
Frame
Head
Paylo
ad
Paylo
ad
Bandwidth
Accelerator
Frame
Head
Paylo
ad
B d id h A l I d Th h
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Average throughput increased to 640Mbps with 50% short packet in MBB.
Compress deeply packet overhead byte (MAC, VLAN, MPLS, and IPv4/IPv6).
Bandwidth Accelerator: Increased Throughput
Spectrum bandwidth (MHz)
No compression With compression
100200300400500
E T H
T h r o u g h o u t ( M b p s )
14 28 567
600700
Ethernet throughout
800900
1000
Increasing 40%for L2 Compression
Increasing up to 1Gbpsfor L2 + L3 Compression
Up to 168%
improvement
Up to 100%
improvement
Up to 3%
improvement
Up to 9%
improvement
Different scenarios(frame length), play different effect.
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Radio Link Aggregation
180M
180M
360 Mbps 28MHz @ 256QAM
360 Mbps
Radio LAG
Scenario 2: Load Balancing
• A bigger pipe through Load-sharing provided with the limited spectrum.
• Link reliability will improve because of LAG protection.
Page 43
Scenario 1: Protection
180 M
180M180 Mbps
28MHz @ 256QAM
180 Mbps
Radio LAG
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Gigabit MW with Radio LAG
Dual polarization antenna
V
H
ODU& combiner
SW guide
IF Card
IF Card
Traffic Card
IF Card
IF Card
Traffic Card
Switch Switch
Radio LAG f1f2
f3
f4
• Full Hardware protection (Interface, Switch/Controller, Modem, ODU)
• With XPIC, use only 2 RF channels
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XPIC N+0, Save the spectrum to maximize
CCDP: Co-Channel Dual-Polarization
H
V
f1
f2
H
V
f1
Without XPIC With XPIC
f1
f1 f2 f3 f4 f5 f6 f7
XPIC 7+0
High Efficiency for spectrum usage: • Double the spectrum resource utilization.
• XPIC N+0 (N up to 7),XPIC 1+1 (up to 3groups)
• With Bandwidth Accelerator, GE service can
be easily transmitted, and meet broadband
backhaul of LTE.
Page 45
Clock Synchronization: Requirements for Mobile Networks
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Clock Synchronization: Requirements for Mobile Networks
Wireless System Frequency Stability Time&Phase Accuracy
GSM ± 0.05 PPM Not Required
CDMA ± 0.05 PPM Not Required
WCDMA FDD ± 0.05 PPM Not Required
WCDMA TDD ± 0.05 PPM ± 1.5 μs
CDMA 2000 ± 0.05 PPM ± 1.5 μs
TD/SCDMA ± 0.05 PPM ± 1.5 μs
WiMAX FDD ± 0.05 PPM Not Required
WiMAX TDD ± 0.05 PPM ± 1 μsLTE FDD ± 0.05 PPM Not Required
LTE TDD ± 0.05 PPM ± 1.5 μs
2G
3G
3.5G
4G
In GSM/WCDMA/LTE(FDD), the synchronization requirement focus only on
the frequency stability.
Page 46
Frequency Synchronization Solution
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q y y
Base synchronization will dependent on the engineering network solution.
synchronization can be derived from:
① GPS /BITS
② E1/T1 lines if E1/T1 interface is used (A traditional sync. sub-network exists in
IP network.)
③ Synchronous Ethernet
④ 1588v2 Frequency (ITU-T G.8265.1)
NodeB/BTS/eNB
RNC/BSC
BITS
① GPS
IP Network
Traditionalsync. network
FE/GE
Clock server
FE
Timing line
Traffic line
Page 47
Synchronization Standards and Protocols
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Definition
Synchronous Ethernet is a technology of frequency synchronization at the
physical layer. It extracts clock signals from serial bit streams on an
Ethernet line, and transmits the data through the extracted clock signals to
implement the transfer of clock signals. OptiX RTN 900s form a
synchronous Ethernet
Standards and protocols associated:
•ITU-T G.8261: Timing and Synchronization aspects in Packet Networks
•ITU-T G.8262: Timing characteristics of synchronous Ethernet equipment
slave clock
Synchronous Ethernet
Purpose
With the IEEE 1588 ACR technology applied on a
transport network, the clock frequency is carried in an
IEEE 1588v2 packet, which traverses an asynchronous
PSN; as a result, the clock frequency of the equipment
at the two ends of the PSN is synchronized.
Standards and protocols associated:
•ITU-T G.8261/Y.1361
•IEEE 1588v2
IEEE 1588 ACR
y
Page 48
Summary of the Main
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y
Broadband
Networking
IP/Evolution
RTN 900 Series
Unified Platform
TDM/Hybrid/Enhanced Hybrid/Packet
Smooth Evolution
Match any scenarios
ACM ,Hitless Adaptive ModulationXPICBandwidth Accelerator Radio LAG
Universal Switch
Sophisticated QoSSLA Enforcement (CAR)E2E Network Management System
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