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The increasing demand for high speed broadband driven by LTE/LTE-A and services such as video-on-demand is driving the need for high capacity longhaul links. This presentation explains the benefits of packet microwave for longhaul and provides some real case studies. This presentation was delivered by Alcatel-Lucent at the Packet Microwave & Mobile Backhaul Forum in September 2014 in Düsseldorf, Germany.
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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