Metaverse is a virtual world that maps and interacts with the real world. It is a digital living
space with a new social system created through Virtual Reality (VR), Augmented Reality …

Optical networks have economically enabled an unabated exponential traffic growth over
the past decades, with commercial wavelength-division multiplexed (WDM) systems carrying …

Continuous improvements in communication technologies over copper pair access networks
have enabled hybrid fiber/copper access networks that provide ever increasing broadband …

Over the past couple of years, many commentators have hailed the “Internet of Things”(IoT)
as the next step in the evolution of the internet. This paper examines, from an energy …

Recent years have seen an increasing need for higher broadband connections, fueled by
novel applications including fifth generation wireless networks (5G). The European …

This paper investigates resource sharing strategies for point-to-multipoint (P2MP)
distribution in next-generation digital subscriber line (DSL) networks. The latest DSL ITU …

This article explores the recently issued ITU-T Recommendations specifying" G. fast"(G.
9701 [1] and G. 9700 [2]) that bring user bit rates up to 1 Gb/s over twisted pairs from the …

Digital Subscriber Line technology has democratized broadband access, and over the past
several decades, telecommunications providers have evolved from providing plain old …

In the G. fast digital subscriber line frequency range (up to 106 or 212 MHz), where crosstalk
channels may even become larger than direct channels, linear zero-forcing (ZF) precoding …

In this editorial, we first set the context for the subject matter of this special issue on passive
optical network (PON) supported networking. This context includes a discussion of optical …