Orthogonal frequency-division multiplexing (OFDM) is a modulation technology that has
been widely adopted in many new and emerging broadband wireless and wireline …

Orthogonal Frequency Division Multiplexing (OFDM) has recently been proposed as a
modulation technique for optical networks, because of its good spectral efficiency, flexibility …

Traditional ITU-T fixed frequency grid-based optical transport networks suffer several
drawbacks such as low fiber spectral efficiency, difficulty in supporting large-bandwidth …

While all-optical networking had its origins in the research community a quarter of a century
ago, the realization of the vision has not had a straight trajectory. The original goal of the all …

A large number of factors generate uncertainty on traffic demands and requirements. In
order to deal with uncertainty optical nodes and networks are equipped with flexibility. In this …

Compared to traditional wavelength division multiplexing (WDM) networks, orthogonal
frequency division multiplexing (OFDM)-based flexible optical networks provide better …

Dynamic bandwidth allocation in flexible OFDM-based networks Page 1 Dynamic
Bandwidth Allocation in Flexible OFDM-based Networks 1K. Christodoulopoulos, 2I. Tomkos …

There is growing recognition that we are rapidly approaching the physical capacity limit of
standard optical fiber. It is important to make better use of optical network resources to …

Compared with traditional WDM networks, orthogonal frequency-division multiplexing
(OFDM)-based flexible optical networks are able to provide better spectral efficiency due to …

To support efficient delivery of packet and circuit services simultaneously in future optical
networks, software will play more and more important roles, not only in control and …