The integration of optical and wireless systems is considered to be one the most promising solutions for increasing existing capacity mobility as well decreasing costs in next-generation access networks. In this paper, several key enabling technologies hybrid optical-wireless networks are described, including millimeter-wave (mm-wave) generation, upconversion, transmission a downlink direction, full-duplex operation based on wavelength reuse by using centralized light source an uplink...

The wavelength-division-multiplexed passive optical network (WDM-PON) is considered to be the next evolutionary solution for a simplified and future-proofed access system that can accommodate exponential traffic growth bandwidth-hungry new applications. WDM-PON mitigates complicated time-sharing power budget issues in time-division-multiplexed PON (TDM-PON) by providing virtual point-to-point connectivity multiple end users through dedicated pair of wavelengths. There are few hurdles...

The unprecedented growth of the global Internet traffic, coupled with large spatio-temporal fluctuations that create, to some extent, predictable tidal traffic conditions, are motivating evolution from reactive proactive and eventually towards adaptive optical networks. In these networks, traffic-driven service provisioning can address problem network over-provisioning better adapt variations, while keeping quality-of-service at required levels. Such an approach will reduce resource thus...

A fault recovery system that is fast and reliable essential to today's networks, as it can be used minimize the impact of on operation network services provides. This paper proposes a methodology for performing automatic protection switching (APS) in optical networks with arbitrary mesh topologies order protect from fiber link failures. All links interconnecting switches are assumed bidirectional. In scenario considered, layout fibers setup implemented nonreal time, during network. When...

This paper reviews and outlines the key features of emerging next-generation fixed passive optical network (NG-PON)-based fourth-generation (4G) mobile broadband access technologies how to leverage advantages both these build a hybrid fiber-wireless (FiWi) network. Specifically, this presents an overview most recent research activities on FiWi architectures, aiming clarify basic differences distinguish between two networking architectural models, namely, overlay or independent model truly...

In this work we consider the problem of fault localization in transparent optical networks. We attempt to localize single-link failures by utilizing statistical machine learning techniques trained on data that describe network state upon current and past failure incidents. particular, a Gaussian process classifier is historical extracted from examined network, with goal modeling predicting probability each link therein. To limit set suspect links for every incident, proposed approach...

For several decades, optical networks, due to their high capacity and long-distance transmission range, have been used as the major communication technology serve network traffic, especially in core metro segments of networks. Unfortunately, our society has often experienced how correct functioning these critical infrastructures can be substantially hindered by massive failures triggered natural disasters, weather-related disruptions malicious human activities. In this position paper, we...

To fully realize the potential of autonomous aerial vehicles, a reliable, robust, and accurate navigation system is required. Current technologies composing such include stand-alone augmented global satellite systems (GNSS), as well visual, inertial, signals-of-opportunity (SOPs) approaches. However, it understood that no single alternative can meet requirements for full autonomy, combination required to address application scenarios. In this work, an online technique relative positioning...

An ultra-low latency, high throughput Internet protocol (IP) over wavelength division multiplexing (WDM) packet switching technology for next-generation (NGI) applications has been designed and demonstrated. This method overcomes limitations of conventional optical switching, which require buffering packets synchronization bits, burst methods that estimation delays at each node path. label technique was developed to realize flexible bandwidth-on-demand transport on a reconfigurable WDM...

To date, the mainstream ethernet passive optical network (EPON) bandwidth allocation schemes as well new IEEE 802.3ah Ethernet in first mile Task Force specifications have been centralized, relying on a component central office [optical line termination (OLT)] to provision upstream traffic. Hence, OLT is only device that can arbitrate time-division access shared channel. Since has global knowledge of state entire network, this centralized control plane which intelligence. This paper proposes...

We experimentally demonstrated a novel radio-over-fiber scheme to simultaneously obtain independent wired and wireless signals by using only single intensity modulator. The optical 40- or 60-GHz millimeter-wave (mm-wave) carriers are generated means of subcarrier-multiplexing techniques carry 2.5-Gb/s while 10-Gb/s imposed on the original carrier via regular modulation. with dual services successfully transmitted over 20-km single-mode fiber (SMF-28) less than 1.5-dB power penalty.

Event-triggering (ET) is an up-and-coming technological paradigm for monitoring, optimization, and control in the Internet of Things (IoT) that achieves improved levels operational efficiency. This paper first defines envisioned ET architecture IoT domain. It then classifies reviews various different approaches obtained from available literature three phases ET, namely behavior modeling, event detection, handling. Thereafter, a novel data-driven technique developed to address all efficient...

The performance of a data-driven quality-of-transmission (QoT) model is investigated on dynamic metro optical network capable supporting both unicast and multicast connections. QoT technique analyzes data previous connection requests and, through training procedure that performed neural network, returns near-accurately decides the newly arriving requests. advantages approach over existing Q-factor techniques are it self-adaptive, function independent from physical layer impairments (PLIs)...

This paper proposes a data-driven bandwidth allocation (BA) framework for periodically and dynamically reconfiguring an elastic optical network according to predictive BA (PBA) models. The proposed is scalable the number of connections also adaptive increasing traffic each connection separately overall load as well. achieved by formulating problem partially observable Markov decision process (POMDP), which constitutes reinforcement learning (RL) algorithm. Specifically, RL performed...

A multitude of applications based on unmanned aircraft vehicles (UAVs), in conjunction with the UAVs' diminishing costs and increasing capabilities, present a major threat to public safety as well critical infrastructure security, leading need for versatile robust counter-drone solutions. This work presents novel multi-agent jamming system, where group cooperative autonomous agents employ various algorithms (detection, tracking, jamming, self-localization) counter unauthorized drone...

This work considers the problem of intercepting rogue drones targeting sensitive critical infrastructure facilities. While current interception technologies focus mainly on jamming/spoofing tasks, challenges effectively locating and tracking have not received adequate attention. Solving this integrating with recently proposed techniques will enable a holistic system that can reliably detect, track, neutralize drones. Specifically, team pursuer UAVs search, track multiple over facility. The...

In the beyond 5G era, AI/ML empowered realworld digital twins (DTs) will enable diverse network operators to collaboratively optimize their networks, ultimately improving end-user experience. Although centralized AI-based learning techniques have been shown achieve significant traffic accuracy, resulting in efficient operations, they require sharing of sensitive data among operators, leading privacy and security concerns. Distributed learning, specifically federated (FL), that keeps isolated...

With the increasing technological advancements and deployment of unmanned aerial vehicles (UAVs) in different applications (e.g., delivery services, surveillance, critical infrastructure monitoring, military operations, search-and-rescue operations), a robust, lightweight, accurate system for UAV state identification trajectory prediction is becoming mandate. This work introduces an onboard real-time multi-task learning framework that combines Transformer neural networks reservoir computing...

This paper describes the multiwavelength reconfigurable all-optical network testbed designed and constructed as a part of optical networks technology consortium (ONTC) phase I program with group working members consisting Bellcore, Columbia University, Hughes Research Laboratories, Northern Telecom, Rockwell Science Center, Case Western Reserve United Technology Uniphase Telecommunications Product, Lawrence Livermore National Laboratories. The architecture its nodes is presented together...

The minimum moment method for resource leveling is revisited and restated as an entropy-maximization problem. assumes that the of daily demands about horizontal axis a project's histogram good measure utilization optimal allocation exists when total at minimum, thus rectangular shape. proposed in this paper makes use general theory entropy two its principal properties (subadditivity maximality) to revisit leveling. presented allows activity stretching provides solutions show improvement over...

Drones, including remotely piloted aircraft or unmanned aerial vehicles, have become extremely appealing over the recent years, with a multitude of applications and usages. However, they can potentially present major threats for security public safety, especially when fly across critical infrastructures spaces. This work investigates novel counter-drone solution by proposing multi-agent framework in which team pursuer drones cooperate order to track jam rogue drone. Within proposed...

This paper proposes a methodology for performing automatic protection switching (APS) link failures in optical networks with arbitrary topologies and bi-directional links. In the scenario considered, fibers' layout switches' set-up is implemented non-real time, during of network. When fiber fails, connections that use are automatically restored their signals routed to original destination using fibers switches. Depending on position multiple faults can be simultaneously.