Browsing University of Hertfordshire by Author "Shachaf, Y."

Now showing items 1-8 of 8

    • Coarse WDM Wavelength-Routed Passive Optical Networks 

      Shachaf, Y. (2008-11-25)
      The emergence of new bandwidth-intensive applications articulated by distance learning, online gaming, Web 2.0 and movie delivery by means of high-definition video, has ultimately justified the necessity of upgrading the ...

    • Demonstration of Coarse-Fine Grooming in Coarse-WDM-Routed PONs 

      Shachaf, Y.; Polo, V.; Kourtessis, P.; Prat, J.; Senior, J.M. (2009)
      A scalable access network architecture is implemented experimentally to demonstrate gradual deployment of time- and wavelength-division-multiplexed passive optical networks (PONs) in a single-platform with minor changes ...

    • A full-duplex access network based on CWDM-routed PONs 

      Shachaf, Y.; Kourtessis, P.; Senior, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      The application of polarisation-division-multiplexing in presented, demonstrating full-duplex transmission in an access network architecture employing RSOA-based ONUs. Modelling of a single coarse-AWG OLT to transmit ...

    • Interoperability of GPON and WiMAX for network capacity enhancement and resilience 

      Milosavljevic, M.; Shachaf, Y.; Kourtessis, P.; Senior, J.M. (2009)
      The interoperability of standard WiMAX and GPON is shown to overcome the wireless spectrum congestion and provide resilience for GPON through the use of overlapping radio cells. The application of centralised control in ...

    • Multi-PON access network using a coarse AWG for smooth migration from TDM to WDM PON 

      Shachaf, Y.; Chang, C-H.; Kourtessis, P.; Senior, J.M. (2007)
      An interoperable access network architecture based on a coarse array waveguide grating (AWG) is described, displaying dynamic wavelength assignment to manage the network load across multiple PONs. The multi-PON architecture ...

    • Multi-PON access/metro network using a coarse-WDM AWG router 

      Shachaf, Y.; Kourtessis, P.; Senior, J.M. (ACM Press, 2006)
      A novel access/metro network architecture based on a coarse wavelength division multiplexing array waveguide grating router, supporting multiple passive optical networks (PONs) in the downstream and switching up to 32 ...

    • Multiple - PON access network architecture 

      Shachaf, Y.; Kourtessis, P.; Senior, J.M. (Institution of Engineering and Technology (IET), 2006)
      A novel access network architecture based on a coarse wavelength division multiplexing array waveguide grating router for switching up to 32 optical network units per passive optical network over a single coarse wavelength ...

    • PON topologies for dynamic optical access networks 

      Kourtessis, P.; Shachaf, Y.; Chang, C.-H.; Senior, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      PON-based access networks envisage the demonstration of scalability to allow gradual deployment of time and wavelength multiplexed architectures in a single-platform without changes in fibre infrastructure and also ...