Packet-optical Add/Drop multiplexer technology: A pragmatic way to introduce optical packet switching in the next generation of metro networks
This paper describes a packet-optical add/drop multiplexer technology designed for Metro-ring networks to reduce cost and power consumption with a network efficiency comparable to a full-electronic Ethernet solution. A demonstrator including three nodes is shown.
Performance Assessment of Metro Networks Based on Fast Optical Add-Drop Multiplexers Under 5G Traffic Applications
We numerically assess the performance of metro networks based on Fast Optical Add-Drop Multiplexers (FOADM) nodes under modelled traffics of multiple 5G applications. Simulation results show a packet loss < 1 E-5 with <400us latency for a network load of 0.5.
LYAPUNOV-BASED TRANSFER BETWEEN ELLIPTIC KEPLERIAN ORBITS
We present a study of the transfer of satellites between elliptic Keplerian orbits using Lyapunov stability theory specific to this problem. The construction of Lyapunov functions is based on the fact that a non-degenerate Keplerian orbit is uniquely described by its angular momentum and Laplace (- Runge-Lenz) vectors. We suggest a Lyapunov function, which gives a feedback controller such that the target elliptic orbit becomes a locally asymptotically stable periodic orbit in the closed-loop dynamics. We show how to perform a global transfer between two arbitrary elliptic orbits based on the local transfer result. Finally, a second Lyapunov function is presented that works only for circular target orbits.