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FTTP / RFoG / RFPON  Architecture & Implementation
Strategic Product Focus Technology Generations Backbone Regulatory  Network FTTP HFC Fiber Deep Fiber Depth Support  R&D F...
RFoG Vs. IPTV <ul><li>Why Not IPTV? </li></ul><ul><li>Standards are not fully developed </li></ul><ul><li>Headend equipmen...
<ul><li>Return can be transmitted at 1310 or 1610* nm </li></ul><ul><ul><li>1310 nm is a lower cost solution today </li></...
RFoG Reference Design Fiber all the way to the home Broadcast Tx EDFA Analog RPR RFPON  CPE Splitter WDM 1550 nm 1610 or 1...
Evolutionary FTTx Headend ring New service area VHUB can be optimally placed inside neighborhood or business park
RFoG Node Configuration <ul><li>24 dBm output EDFA (21 dBm x2) </li></ul><ul><li>Integrated downstream split / upstream 13...
Micro-node Specs
Simple RFoG Design <ul><li>Same Downstream Tx as HFC nodes </li></ul><ul><li>Same Upstream Rx as HFC nodes </li></ul><ul><...
Hybrid BC/NC RFoG Design <ul><li>Add NC Tx for up to 300 MHz of dedicated bandwidth </li></ul><ul><li>Share 1550 BC Tx wit...
RFoG Fiber Management <ul><li>Options exist from many respected manufactures </li></ul><ul><li>Fiber distribution can be o...
RFoG Capital Expense HFC / FD / RFoG Cost per HP (0% take rate)   HFC / FD / RFoG Cost per HP (65% take rate) <ul><li>Popu...
RFoG Capital Expense High, Mid & Low Density Cost per HP (0% take rate)  High, Mid & Low Density Cost per HP (65% take rat...
RFoG Limitations <ul><li>Downstream reach traditionally limited by EDFA output, splitter loss, CPE input requirements </li...
What is RFPON? <ul><li>RFPON: Next-generation RFoG </li></ul><ul><ul><li>RFoG with the ability to seamlessly add GEPON cap...
RFPON Fiber all the way to the home 1550 nm 1610 or 1310 nm Choice of CWDM’s RFPON  CPE Splitter Broadcast Tx EDFA Digital...
Evolutionary FTTP DOCSIS ®  & GEPON <ul><li>RFPON VHub™ providing video, DOCSIS data and voice services  </li></ul><ul><ul...
Simple RFPON Design <ul><li>Add GbE switch connected to the Internet backbone </li></ul><ul><li>GEPON interface designed t...
GEPON Module <ul><li>Compatible with HFC or Fiber Deep architectures </li></ul><ul><li>Serves up to 64 customers using sta...
Cost Comparison (Today) <ul><li>$15/sub </li></ul><ul><ul><li>256 kbps/sub forward </li></ul></ul><ul><ul><li>180 kbps/sub...
Cost Comparison (Future?) <ul><li>$7/sub </li></ul><ul><ul><li>256 kbps/sub forward </li></ul></ul><ul><ul><li>180 kbps/su...
CPE Cost Comparison <ul><li>>$80 /sub today for: </li></ul><ul><ul><li>152 Mbps/sub forward </li></ul></ul><ul><ul><li>108...
In Summary <ul><li>RFoG’s cost is more than HFC in high take rate / high density locations </li></ul><ul><li>Can be lower ...
Existing, Deployed, Working
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  1. 1. FTTP / RFoG / RFPON Architecture & Implementation
  2. 2. Strategic Product Focus Technology Generations Backbone Regulatory Network FTTP HFC Fiber Deep Fiber Depth Support R&D Focus
  3. 3. RFoG Vs. IPTV <ul><li>Why Not IPTV? </li></ul><ul><li>Standards are not fully developed </li></ul><ul><li>Headend equipment is expensive and subject to change as the standards evolve </li></ul><ul><li>New MPEG 4 set top boxes needed in the Customer’s premise </li></ul><ul><li>“ Back office” support does not yet exist at the cableco </li></ul><ul><li>Workforce has little if any experience in the IP domain </li></ul><ul><li>Why RFoG? </li></ul><ul><li>Uses the headend technology already in place </li></ul><ul><li>Uses the set top boxes already in place </li></ul><ul><li>Uses the DOCSIS platforms already in place and supports DOCSIS 3 </li></ul><ul><li>Simply replaces what would be the traditional RF node </li></ul><ul><li>No “back office” changes are needed. “Business as usual” </li></ul><ul><li>Little workforce training is needed </li></ul>
  4. 4. <ul><li>Return can be transmitted at 1310 or 1610* nm </li></ul><ul><ul><li>1310 nm is a lower cost solution today </li></ul></ul><ul><ul><li>1610 nm is the GPON friendly solution </li></ul></ul><ul><ul><ul><li>Compatible with PON standards </li></ul></ul></ul><ul><ul><ul><ul><li>PON standards support 1490 nm downstream, 1310 nm upstream </li></ul></ul></ul></ul>RFoG Spectrum Analog TV Digital TV HSD/VoD HSD/VoD DOWNSTREAM @ 1550 nm UPSTREAM @ 1610 nm 54 MHz 550 MHz 1 GHz 5 42 MHz
  5. 5. RFoG Reference Design Fiber all the way to the home Broadcast Tx EDFA Analog RPR RFPON CPE Splitter WDM 1550 nm 1610 or 1310 nm 10-20 km
  6. 6. Evolutionary FTTx Headend ring New service area VHUB can be optimally placed inside neighborhood or business park
  7. 7. RFoG Node Configuration <ul><li>24 dBm output EDFA (21 dBm x2) </li></ul><ul><li>Integrated downstream split / upstream 1310 (or 1610) filter </li></ul><ul><li>Dual Quad channel analog return Rx </li></ul><ul><li>Digital upstream to the headend </li></ul><ul><ul><li>Can be up to 80 KM HE to Home </li></ul></ul><ul><ul><li>Can mux up to 15 CWDM RFoG nodes on a single fiber or 40 DWDM </li></ul></ul>
  8. 8. Micro-node Specs
  9. 9. Simple RFoG Design <ul><li>Same Downstream Tx as HFC nodes </li></ul><ul><li>Same Upstream Rx as HFC nodes </li></ul><ul><li>RFoG node replaces traditional HFC node </li></ul><ul><li>All parts are available for shipment today </li></ul><ul><li>Same Upstream Tx used in HFC nodes </li></ul><ul><li>CPE device takes in fiber, output is “F” </li></ul><ul><ul><li>Indoor or side of house solutions </li></ul></ul><ul><ul><li>Two-way CPE </li></ul></ul><ul><ul><ul><li>Broadband downstream receiver </li></ul></ul></ul><ul><ul><ul><li>Low cost return laser @ 1310 or 1610nm </li></ul></ul></ul><ul><li>Interfaces seamlessly with </li></ul><ul><ul><li>Installed STBs </li></ul></ul><ul><ul><li>Installed cable modems </li></ul></ul><ul><ul><li>Installed eMTAs </li></ul></ul>
  10. 10. Hybrid BC/NC RFoG Design <ul><li>Add NC Tx for up to 300 MHz of dedicated bandwidth </li></ul><ul><li>Share 1550 BC Tx with 16 (or more) RFoG/HFC nodes </li></ul>
  11. 11. RFoG Fiber Management <ul><li>Options exist from many respected manufactures </li></ul><ul><li>Fiber distribution can be organized in a star or distributed star architecture </li></ul><ul><li>Contact your distributor for the best solutions for your application </li></ul>
  12. 12. RFoG Capital Expense HFC / FD / RFoG Cost per HP (0% take rate) HFC / FD / RFoG Cost per HP (65% take rate) <ul><li>Population Density: </li></ul><ul><ul><li>Suburban areas with ~80 HHP/mile </li></ul></ul><ul><li>Infrastructure vs. Total Cost: </li></ul><ul><ul><li>Infrastructure and total cost for HFC N+4 and N+0 stay constant at different take out rate (except for variable cost and some cost of drop install if not included) </li></ul></ul><ul><ul><li>Total costs for RFoG increase with increase in take out rate (due to CPE cost) </li></ul></ul>
  13. 13. RFoG Capital Expense High, Mid & Low Density Cost per HP (0% take rate) High, Mid & Low Density Cost per HP (65% take rate) <ul><li>Population Density: </li></ul><ul><ul><li>Highly urbanized areas with >200 HHP/mile </li></ul></ul><ul><ul><li>Average urban areas with approximately 80 HHP/mile </li></ul></ul><ul><ul><li>Rural areas with approximately 30 HHP/mile. </li></ul></ul><ul><li>Infrastructure vs. Total Cost: </li></ul><ul><ul><li>RFoG (FTTH) infrastructure cost < HFC cost even for average population density; at low premium for high population density areas. </li></ul></ul><ul><ul><li>Total RFoG cost with CPE devices > HFC cost except for rural areas. </li></ul></ul><ul><ul><li>Cost effective scalability of RFoG to RFPON (future addition of PON). </li></ul></ul>
  14. 14. RFoG Limitations <ul><li>Downstream reach traditionally limited by EDFA output, splitter loss, CPE input requirements </li></ul><ul><li>Upstream reach limited by CPE laser, splitter loss, receiver input requirements, and channel loading </li></ul><ul><ul><li>Upstream laser typically a low-cost, low-power unit </li></ul></ul><ul><li>Fiber count </li></ul><ul><li>‘ Just cable TV’ services </li></ul><ul><ul><li>What happens next when MSOs need to provide even higher bandwidth services? </li></ul></ul>The solution: RFPON – next-generation RFoG
  15. 15. What is RFPON? <ul><li>RFPON: Next-generation RFoG </li></ul><ul><ul><li>RFoG with the ability to seamlessly add GEPON capabilities </li></ul></ul><ul><li>Simple, cost-effective way for MSOs to deploy FTTP </li></ul><ul><ul><li>Same services as traditional HFC </li></ul></ul><ul><ul><li>Same technology as traditional HFC </li></ul></ul><ul><ul><li>Same back-office provisioning systems as DOCSIS system </li></ul></ul><ul><li>Ideal for: </li></ul><ul><ul><li>New housing developments where FTTP is a must </li></ul></ul><ul><ul><li>Low density, rural areas of the franchise </li></ul></ul><ul><li>Can serve homes, businesses and MDUs </li></ul><ul><li>SCTE standards initiative in process </li></ul>
  16. 16. RFPON Fiber all the way to the home 1550 nm 1610 or 1310 nm Choice of CWDM’s RFPON CPE Splitter Broadcast Tx EDFA Digital RPR WDM 1550 nm RFPON VHub™ >60 km
  17. 17. Evolutionary FTTP DOCSIS ® & GEPON <ul><li>RFPON VHub™ providing video, DOCSIS data and voice services </li></ul><ul><ul><li>PLUS capacity for 2 PON modules </li></ul></ul><ul><ul><li>GEPON compliant </li></ul></ul><ul><ul><li>1490 nm downstream, 1310 nm upstream </li></ul></ul><ul><li>Up to 256 Video+DOCSIS customers </li></ul><ul><ul><li>PLUS up to 128 (2x64) GEPON customers </li></ul></ul><ul><li>Each GEPON module supports </li></ul><ul><ul><li>1 Gbps bandwidth </li></ul></ul><ul><ul><li>Up to 64 customers </li></ul></ul><ul><ul><li>DOCSIS back-office provisioning </li></ul></ul><ul><ul><ul><li>One system for both solutions </li></ul></ul></ul><ul><ul><ul><li>No operator re-training </li></ul></ul></ul>Node PON™ Module
  18. 18. Simple RFPON Design <ul><li>Add GbE switch connected to the Internet backbone </li></ul><ul><li>GEPON interface designed to integrate with DOCSIS back office </li></ul><ul><li>Add GEPON OLTs to the node to provide shared GbE services </li></ul><ul><li>Replace the OP4138 with OR4168 receiver / filter </li></ul><ul><li>RFoG continues to operate as before for your Customers </li></ul><ul><li>Replace the RFoG CPE with a RFPON compatible unit to provide Customer with shared GbE service </li></ul>
  19. 19. GEPON Module <ul><li>Compatible with HFC or Fiber Deep architectures </li></ul><ul><li>Serves up to 64 customers using standard PON CPE devices </li></ul><ul><li>Bandwidth rate limiting from 1 Mbps to 1000 Mbps in 1Mbps steps </li></ul><ul><li>Compatible with standard GigE switch at head-end </li></ul><ul><li>Compatible with Aurora digital return and NI3030E </li></ul>
  20. 20. Cost Comparison (Today) <ul><li>$15/sub </li></ul><ul><ul><li>256 kbps/sub forward </li></ul></ul><ul><ul><li>180 kbps/sub reverse </li></ul></ul><ul><li>$9K/600 subs </li></ul><ul><ul><li>4x38 Mbps forward for 152 Mbps total </li></ul></ul><ul><ul><li>4x27 Mbps reverse for 108 Mbps total </li></ul></ul><ul><li>$23/sub </li></ul><ul><ul><li>Forward & Reverse (symmetrical) </li></ul></ul><ul><ul><ul><li>10 Mbps/sub for GEPON </li></ul></ul></ul><ul><ul><li>Net of overhead </li></ul></ul><ul><li>$1,500/64 subs </li></ul><ul><ul><li>610 Mbps (net of overhead) or 200 Mbps total; symmetrical </li></ul></ul>DOCSIS 3.0 Alternative Technologies
  21. 21. Cost Comparison (Future?) <ul><li>$7/sub </li></ul><ul><ul><li>256 kbps/sub forward </li></ul></ul><ul><ul><li>180 kbps/sub reverse </li></ul></ul><ul><li>$4K/600 subs </li></ul><ul><ul><li>4x38 Mbps forward for 152 Mbps total </li></ul></ul><ul><ul><li>4x27 Mbps reverse for 108 Mbps total </li></ul></ul><ul><li>$16/sub </li></ul><ul><ul><li>Forward & Reverse (symmetrical) </li></ul></ul><ul><ul><ul><li>10 Mbps/sub for GEPON or 3 Mbps initially for BitCoax </li></ul></ul></ul><ul><ul><li>Net of overhead </li></ul></ul><ul><li>$1,000/64 subs </li></ul><ul><ul><li>610 Mbps (net of overhead) or 200 Mbps total; symmetrical </li></ul></ul>DOCSIS 3.0 Alternative Technologies
  22. 22. CPE Cost Comparison <ul><li>>$80 /sub today for: </li></ul><ul><ul><li>152 Mbps/sub forward </li></ul></ul><ul><ul><li>108 Mbps/sub reverse </li></ul></ul><ul><li>$50 /sub in future </li></ul><ul><li>Total : </li></ul><ul><ul><li>Today: $95 /sub for 256 kbps/180 kbps forward/reverse service </li></ul></ul><ul><ul><li>In Future: $57 /sub for 256 kbps/180 kbps forward/reverse service </li></ul></ul><ul><li>Today: $150 /sub for GEPON </li></ul><ul><ul><li>Forward & Reverse: 610 Mbps/sub for GEPON (net of overhead) </li></ul></ul><ul><li>$100 /sub for GEPON </li></ul><ul><ul><li>610 Mbps forward or 200 Mbps total; symmetrical </li></ul></ul><ul><li>Total: </li></ul><ul><ul><li>Today: $173 /sub for 10 Mbps symmetrical </li></ul></ul><ul><ul><li>In Future: $116 /sub for 10 Mbps symmetrical </li></ul></ul>DOCSIS 3.0 Alternative Technologies DOCSIS 3.0 GEPON Today $0.37 /sub/kbps $0.017 /sub/kbps Future $0.22 /sub/kbps $0.012 /sub/kbps
  23. 23. In Summary <ul><li>RFoG’s cost is more than HFC in high take rate / high density locations </li></ul><ul><li>Can be lower CapEx in low take rate / low density applications </li></ul><ul><li>Does not require specialized technicians </li></ul><ul><li>Does not require “back office” changes </li></ul><ul><li>RFPON is the next-generation RFoG </li></ul><ul><ul><li>Extends reach / Reduces cost / Reduces fiber count </li></ul></ul><ul><ul><li>Doubles upstream bandwidth (compared to DOCSIS 3.0) </li></ul></ul><ul><li>Seamless evolution to include PON functionality </li></ul><ul><ul><li>Standards-based GEPON </li></ul></ul><ul><ul><li>Up to 64 users per GEPON module </li></ul></ul><ul><ul><li>Integrated with deployed DOCSIS provisioning system </li></ul></ul>
  24. 24. Existing, Deployed, Working
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