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Microwave Technology Options
Microwave radio technology offers various configuration options that can impact key factors like capacity, reliability, and cost. All-indoor radios typically provide the highest reliability due to faster repair times, but they may have higher initial costs. Split mount configurations combine indoor and outdoor units, balancing reliability with lower costs. The best configuration depends on specific needs and factors like frequency band, distances, capacity demands, and whether indoor space is available. Higher power radios can reduce total cost of ownership over time regardless of configuration.
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Microwave Technology Options
- 1. 1 GARY CROKE, CALLUMNOON | AVIAT NETWORKS AVIAT TECHNOLOGY SERIES MICROWAVE TECHNOLOGY OPTIONS
- 2. capacity cost hybrid orall-ip? licensed vs. unlicensed? security and reliability questions zero footprint mpls or carrier ethernet? all-indoor or split mount? protection options Microwave Choices are Easy… Right? confusing and complicated…. goal: SIMPLIFICATION not exactly spectrum availability
- 3. OK, LET’S TAKE ALOOK AT THE VARIOUS TYPES OF PRODUCTS (table display)
- 4. SO, CHOOSING THEBEST PRODUCT COMES DOWN TO THIS SIMPLE EQUATION: CAPACITYCAPACITY RELIABILITYRELIABILITY COSTCOST
- 5. EVERYONE KNOWS THAT IFYOU WANT A MISSION CRITICAL RADIO (BEST when reliability is #1 goal) ALL-INDOOR IS BEST
- 6. BECAUSE MTTR ISBETTER 0 1 2 3 4 5 6 7 8 9 10 Outdoor RF Indoor RF Mean TTR 0 5 10 15 20 25 30 35 40 Outdoor RF Indoor RF Worst Case TTRRepair Time Travel Time Spare Retrieval Average TRR 3.75 Hrs Better Worst Case TRR 11.75 Hrs Better
- 7. System Gain (dB) All-IndoorSplit Mount Improvement with All-Indoor QPSK 120 115.75 4.25 16 QAM 113.75 109.5 4.25 64 QAM 105.75 101.5 4.25 256 QAM 98.25 94 4.25 6GHz, 30MHz channel AND SYSTEM GAIN IS HIGHER
- 8. HOWEVER, THERE ARE THREECOMMON CONCERNS ABOUT ALL-INDOOR #1. long waveguide (WG) runs reduce overall system gain
- 9. LET’S INVESTIGATE THAT… 0% 5% 10% 15% 20% 25% 30% 35% <50 50-100 100-150 150-200 200-250 250-300 300-350 >350 PercentageofTotalLinks WG Run Length (ft) WG Run Length vs Percentage of Links AVERAGE WAVEGUIDE RUN IS 177 FT
- 10. SO, ALL-INDOOR IS1.5dB BETTER ON AVERAGE LINK 0% 5% 10% 15% 20% 25% <0 0-0.5 0.5-1.0 1.0-1.5 1.5-2.0 2.0-2.5 2.5-3.0 3.0-3.5 3.5-4.0 PercentageofLinks System Gain Improvement (dB) SG Improvement with All-Indoor (vs Split Mount) AND HAS HIGHER GAIN FOR - 90% OF ALL LINKS
- 11.
- 12. $0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 $70,000 All-Indoor Split MountAll-Outdoor INITIAL COST (INSTALLED) $12,900
- 13. 17% 0% 4% 4% 4% 6% 5% 5% 55% New Tower Build/Lease 38% 1% 9% 8% 8% 13% 12% 11% ExistingTower HOWEVER, IF WE LOOK AT TCO Initial CAPEX Ongoing CAPEX MW Equipment Price Spares Upgrades and expansion Initial OPEX Design Site development Installation and commissioning Yearly OPEX Field corrective maintenance Repair and return Tower lease 5 Year TCO
- 14. THUS HIGHER POWERRADIOS REDUCE COSTS 0 5,000 10,000 15,000 20,000 25,000 30,000 10 8 6 4 3 2.5 TCO Reduction AntennaDiameter(ft) Impact of Improved System Gain on TCO (5 yr) 3dB 4dB $12,900 WORTH PAYING MORE FOR HIGHER POWER
- 15. PLUS ALL-INDOOR ISCHEAPER TO UPGRADE… Let’s investigate that…
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- 19. IMPACT OF CAPACITYGROWTH ON TCO $0 $20,000 $40,000 $60,000 $80,000 $100,000 $120,000 100Mbps 200Mbps 300Mbps 400Mbps 500Mbps 600Mbps All-Indoor Split Mount All-Outdoor
- 20. OH! AND ONEMORE CONCERN ABOUT ALL-INDOOR 3. it doesn’t work in higher bands (less capacity on short hops) - true… then you may want outdoor rf… - lets take a look at the options
- 21. ZERO FOOTPRINT RADIOS MakeSense When: No “nodes” or rings (multiple ports required) No XPIC No protection No TDM No advanced QoS No space for anything indoors Ethernet otherwise you need external switch… and then you have a…
- 22. SPLIT MOUNT RADIO…2 OPTIONS: Coax EthernetPoE Injector (external) ROUTER CHOICE COMES DOWN TO POWER, NETWORK MANAGEMENT OPTIONS, AND NATIVE TDM SUPPORT almost always makes sense to use a split mount radio
- 23. EXAMPLE: RING SITEWITH 1 SPUR LINK SPLIT MOUNT: COAX Switch PoE Injector (external) PoE Injector (external) PoE Injector (external) Outdoor Radio (ODR) Outdoor Radio (ODR) Outdoor Radio (ODR) Outdoor Radio (ODU) Outdoor Radio (ODU) Outdoor Radio (ODR) SPLIT MOUNT: ETHERNET INU ROUTER
- 24. COST AND BOMTELL THE STORY SPLIT MOUNT COAX SPLIT MOUNT ETHERNET Quantity Quantity Total # of outdoor elements 3 3 Total # of indoor elements 1 4 Total # of cables 3 6 Total # of network management systems 1 2 optimized for lowest cost of ownership inefficient for microwave networking not optimized for lowest cost of ownership OPERATIONALLY COMPLEX NON INTEGRATED NODAL SOLUTION MORE POINTSS OF FAILURE SPLIT ELEMENT MANAGEMENT LOWER RF PERFORMANCE FULLY INTEGRATED NODAL SOLUTION OPERATIONALLY SIMPLE LESS POINTS OF FAILURE FULLY INTEGRATED MANAGEMENT HIGHER PERFORMANCE RF optimized for microwave networking 75% less 50% less 50% less
- 25. SPLIT MOUNT W/ROUTER AS INDOOR UNIT EVOLUTION WILL HAPPEN… ONLY QUESTION IS WHEN… Ethernet PoE Injector (external) ROUTER Pros Cons Eliminate external router (lower cost) Native TDM transport not possible “MW aware” routing “MW aware” routing Highly nodal platforms possible (lower cost) Organizational boundaries / ownership (IT vs Transport) questions
- 26. mission critical applications (anydistance) 6-11ghz high capacity 6-11ghz low capacity 18GHz+ with indoor space available indoor equipment not possible (small cells) ALL-INDOOR SPLIT-MOUNT ZERO FOOTPRINT
- 27.