Packet Longhaul Deployment --The Experience One Year Later
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Transcript of Packet Longhaul Deployment --The Experience One Year Later
COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
September 2014
PACKET LONG-HAUL MICROWAVE THE EXPERIENCE ONE YEAR LATER
MICROWAVE FOR THE BROADBAND ERA ALCATEL-LUCENT PACKET LONG-HAUL ONE YEAR LATER
Launched at this event last year
Trials started in every region have confirmed technical expectations
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
Trials started in every region have confirmed technical expectations
Awards received — thanks to our customers!
DRIVERS FOR PACKET LONG-HAUL:MARKET ENVIRONMENT
FIXED: DEMAND FOR HIGHER SPEED BROADBAND
• On-demand video and more devices driving residential demand
MOBILE: TRANSITION TO LTE/LTE-A IS UNDERWAY
• Higher capacity requirements in aggregation and backbone
• IP orientation of LTE driving shift to packet-optimized transport
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
• On-demand video and more devices driving residential demand
• Higher speed fixed access (PON, vectoring, bonding) moving bottleneck to backbone
TECHNOLOGY: PACKET EXCEEDS TDM/LEGACY TRAFFIC
• VoIP and emergence of VoLTE accelerating TDM decline
• Networks optimized for IP (not TDM) are driving efficiencies and reducing costs
€ $
DRIVERS FOR PACKET LONG-HAUL:MICROWAVE SPECIFICS
FASTER TIME-TO-MARKET
LOWER
• No heavy civil engineering work (trenching)• No complex permit requests• Easy to re-allocate equipment when traffic patterns change
• Flat deployment cost regardless of distance
Microwave vs. fiber
Transform to packet
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
CAPACITY AND LATENCY• MW provides enough capacity for today’s needs • MW offers a much lower latencyRELIABILITY • Better equipment reliability with very high MTBF• Link availability improved with advanced radio features
LOWER COST
GREAT PERFORMANCE
• Flat deployment cost regardless of distance• No recurring leasing or bandwidth charges• Easy maintenance, reducing OPEX
• Enough capacity for today’s (and tomorrow’s) needs
• Advanced radio equipment for reliability and high MTBF
• Microwave offers much lower latency
HOW TO DEFINE A LONG-HAUL PACKET MICROWAVE:CHARACTERISTICS
LEGACY
SERVICE CONVERGENCE• Transform services — the right way• One transport technology
CAPACITY SCALE• Packet and RF mechanisms toolset• Improved availability
PACKET
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
IMPROVED PERFORMANCE, HIGHER FLEXIBILITY, MORE SIMPLICITY
• Improved availability
OPERATIONAL EFFICIENCY• Provisioning based on b/s• Equipment simplification
MULTICHANNEL CAPABILITY
FULL-INDOOR APPROACH
THE MULTICHANNEL MODEL:EFFICIENT SCALING, PROTECTION
Efficient distribution of flow contents over the
N+0 bundle
PACKET FLOWS
One logical pipe whose total capacity is available to all services:
• Adaptive modulation-aware• Any channel frequency/width• Any polarization• Any modulation level
Multichannel N+0 link
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
Increased capacity and reliability over traditional
N+1 systems
SDH/SONET FLOWS
PDH FLOWS
Multichannel N+0 link
RELIABLY SCALE ALL SERVICES, INCREASE PROTECTION
THE FULL INDOOR APPROACH
Applicable to high-capacity systems• Split-mount also suitable if capacity <2–2.5 Gb/s
Equipment protected in case of difficult environmental conditions
Fully resilient and hardware protected• Easy upgradable, no traffic impact • Reduced maintenance cost, no need to climb on the tower and fewer people required
• Reduced out-of-service time
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
• Reduced out-of-service time
Single waveguide vs. many cables for connectivity to the antenna
Waveguide losses compensated by highest system gain
FULL INDOOR IS REQUESTED IN HIGH-CAPACITY SYSTEMS
CUSTOMER CASE 1:EUROPEAN FIXED AND MOBILE OPERATOR
NETWORK PROFILE• Operator active in the Mediterranean area• Link over the sea (65 km)
TRANFORMATION OF AN EXISTING 2+1 SDH PLATFORM INTO A FULL PACKET
OPERATOR’S NEED
1E+1
1E+2
1E+3
1E+4
1E+0
Measured versus expected TX modulation scheme probability
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
• SDH channelized (traffic optimization; only active VCs are carried)
• Multichannel with size 4
• Adaptive modulation up to 1024 QAM
OPERATOR’S NEEDIncrease capacity carried
1024 QAM PROVED HIGHLY STABLE WITH NO FADING
1E+4
1E+5
1E+6
1E+7
1E+81024 QAM 512 QAM 256 QAM 128QAM 64QAM 32 QAM 16 QAM
K Ch. 3 K Ch. 4 A Ch. 3 A Ch. 4 Th. values
CUSTOMER CASE 1:A NEW NETWORK DESIGN MODEL
2+13+1
4+1
SDH N+1 vs LAG M+01E-2
1E-3
1E-4
1E-5
Data rate prob. < abscissaa
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
1+1
MULTICHANNEL IMPROVES CAPACITY AND RESILIENCE
1E-6
1E-79008007006005004003002001000
Data rate (Mb/s)
Data rate prob. < abscissaa
Single Div. 2 RX LAG 2+0 LAG 3+0 LAG 4+0
CUSTOMER CASE 2:EUROPEAN VERTICAL OPERATOR
NETWORK PROFILE• Two links in Canary Islands (109 and 120 km long)
ENHANCING RADIO PERFORMANCE OVER VERY LONG LINK
OPERATOR’S NEED
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
RADIO-LAG EXPLOITED TO IMPROVE PERFORMANCE
LAG with adaptive modulation is used on top of space diversity combiner
OPERATOR’S NEEDCapacity to be carried: 210 Mb/s
CUSTOMER CASE 2:NETWORK DESIGN CALCULATION
Mb/s (*LAG equivalent)
100.0000%
% of time w
ith capacity below abscissa
10.0000%
1.0000%
0.1000%
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
LAG CAPACITY (4 CHANNELS) = 210 MB/S AT THE TARGET OF 0.5 S/KM
0.5 s/km
% of time w
ith capacity below abscissa
0.0100%
0.0010%0 100 200 300 400 500 600 700 800 900
Sel. no protected
CDF LAG 4+0 (30 MHz)
Total no protected
CDF LAG 2+0 (30 MHz)
CDF LAG 4+0 (30 MHz) Po x 3
Flat no protected
CDF LAG 3+0 (30 MHz)
CONCLUSIONS:LONG-HAUL PACKET MICROWAVE — THE RIGHT CHOICE
DRIVERS
• Better time-to-market
• Service convergence to packet• Operational simplification• Cost per bit reduction• TDM traffic still live
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COPYRIGHT © 2014 ALCATEL-LUCENT. ALL RIGHTS RESERVED.
FULL INDOOR LONG-HAUL PACKET MICROWAVE
A GOOD TECHNICAL CHOICE
HOW WE CAN HELP
• Better time-to-market• High performance • Flexibility
• Market-leading product portfolio• E2E management solution• Professional Services