Wellenlängenmultiplexing im Access
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1 Wellenlängenmultiplexing im Access Sigurd Schuster Nokia Siemens Networks CTO, Head of Technology Roadmapping 8. Sitzung des NGA-Forums am 8. Dezember Nokia Siemens Networks
2 It becomes difficult to satisfy bandwidth hunger with today s access technologies Applications bandwidth demand 100 Mbps upstream Super/Ultra HDTV Video Sharing upstream HDTV Gaming Web surfing GPON ADSL ADSL2+ VDSL2 Active Ethernet Docsis3.0 downstream Access technology capabilities (today) 100 Mbps 100 Mbps 100 Mbps downstream Next Generation Access: Being future-proof and allowing reuse of installed infrastructure Providing operational effectiveness and efficiency Enabling evolution of biz models and industry structure 3x HDTV Gaming Surfing 2 Nokia Siemens Networks
3 Next Generation Optical Access (NGOA) Principle of coherent PON Long distance office splitter UD-WDM Photonic IP core OLT Network Isolation using filter One wavelength per customer: unshared 1Gbps symmetrical Scalable network: Up to 100 km reach1) High splitting factor of ) Reuse of existing optical distribution network (ODN) seamless interworking with existing infrastructure 1) depending on choice of cascaded splitter / filter design 3 Nokia Siemens Networks (*
4 Different ways of access sharing Ways to realize open access and loop unbundling Home Building Distr. Network LO/CO Metro Edge GPON: Bitstream Access CSP1 CSP2 splitters GPON OLT CSP3 NGOA: Sharing splitters Filter/ combiner 1000 λs CSP1 CSP2 Legacy GPON OLT CSP3 Flat passive network for access and metro Coexistence with legacy installed Optical spectrum unbundling 4 Nokia Siemens Networks
5 Coexistence of technologies and services on different wavelengths splitter filter/combiner e.g. GPON e.g. NGOA e.g. RFoG GPON O-Band E-Band S-Band C-B. L-Band U-Band cpon XG-PON1 up upstream down RFoG nm 5 Nokia Siemens Networks
6 Coexistence and migration NGOA only Separation via ODF Short distance office Long distance office GPON only Optical Distribution Frame (ODF) GPON-OLT GPON-OLT NGOA-OLT NGOA & GPON coexistence NGOA-OLT Zero touch port-by-port migration Fiber Sharing via combiner Backhaul of GPON via NGOA 6 Nokia Siemens Networks
7 Next Generation Optical Access NGOA The economic choice for fiber Full spectrum on fiber is shared Long distance office CSP1 splitter filter/combiner CSP2 CSP3 Sharing of infrastructure minimizes the investment risk Up to 80 % of fiber investment is OSP Fiber Spectrum offers sufficient space for services wavelength unbundling simplifies operation Bit stream unbundling would be still possible 7 Nokia Siemens Networks
8 Ongoing research project representing highly advanced opto-electronic component integration Lab demonstrator actually used for proof of concept tests and measurements Lab testing of the integrated optical components is ongoing Standardization initiated Productization steps are under study 8 Nokia Siemens Networks
9 Future is not something we travel to. it s something we build together. Thank you. 9 Nokia Siemens Networks
10 Appendix: Wellenlängenmultiplexing im Access Sigurd Schuster Nokia Siemens Networks CTO, Head of Technology Roadmapping 8. Sitzung des NGA-Forums am 8. Dezember Nokia Siemens Networks
11 Standardization of the Next Generation Access (NG-PON2) expected by ~2015 Operator founded group working towards common PON standards for the ITU-T FSAN NG-PON technology roadmap ITU-T SG15 Standard Body (GPON) FSAN currently expects NG-PON2 standardization by ~2015. Coherent PON actually in discussion as technology option for NG-PON2 11 Nokia Siemens Networks
12 Future proof optical distribution network (ODN): network without any filters Enable flexible sharing of wavelength spectrum in order to allow coexistence of services & technologies today and in the future Avoid separation of the ODN with filters by consequent use of splitters G.984.splitter Single Fiber ITU G.652 GPON O-Band E-Band S-Band C-B. L-Band U-Band cpon XG-PON1 up upstream down RFoG nm 12 Nokia Siemens Networks
13 How to ensure security, protection and privacy on shared access media like PONs GPON security today is ensured by means of secure authentication and payload encryption. Coherent PON adapts similar, proven mechanisms (but bi-directional) and leverages on unshared wavelengths which are centrally and securely managed. Methods of handling rogue wavelengths are under investigation. 13 Nokia Siemens Networks
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