… architecture enables a smoother path of evolution from existing TDM-PON systems to
higher… ) of TWDM-PON for energy saving purposes. In legacy TDM-PONs, power conservation …

… In this paper, we investigate a multi-PON architecture under the TWDM-PON … PON
access network, the OLT is equipped with multiple PON ports, each of which connects a PON …

… arise for improving the OLT energy efficiency. This paper surveys schemes, … TWDM(A)
PON energy efficiency. Then it overviews the main challenges in providing energy efficiency at …

… of energy-savings. The capacity, tuning range, split ratio, system reach, and energy-savings …
work, exceed the minimum requirements of NG-PON2 for future TWDM-PON deployments. …

… This paper evaluated how the energy savings are traded with average frame delay in
reconfigurable TWDM-PON as a function of network parameters and wavelength allocation …

… The considered TWDM PON system architecture is depicted in Fig. 1. The OLT is equipped
… TWDM performance, in terms of both average frame delay and energy efficiency, is also …

… has been narrowed down to TWDM-PON, only, and exploits … [8], [9]], ie spectral efficiency,
energy consumption and quality of … , to investigate the energy saving in a TWDM-PON by taking …

… energy consumption in PONs are the Optical Network Units (ONUs) and the Optical Line
Terminal (OLT). In a WDM/TDM-PON … all bandwidth demands, the energy consumption can be …

… construction, high energy efficiency and other advantages. In … So how to improve the energy
efficiency in TWDM-PON … , so the energy efficiency of the whole TWDM-PON is improved. …

… out to be the most energy efficient option. For higher access … energy efficient technology. If
higher split ratios up to 1:256 can be achieved, TWDM PON becomes the most energy efficient …