Zobrazeno 1 - 10
of 136
pro vyhledávání: '"Jaume Comellas"'
Autor:
Luis Velasco, Morteza Ahmadian, Laura Ortiz, Juan P. Brito, Antonio Pastor, Jose M. Rivas, Sima Barzegar, Jaume Comellas, Vicente Martin, Marc Ruiz
Publikováno v:
Sensors, Vol 24, Iss 20, p 6631 (2024)
Optical communications providing huge capacity and low latency remain vulnerable to a range of attacks. In consequence, encryption at the optical layer is needed to ensure secure data transmission. In our previous work, we proposed LightPath SECurity
Externí odkaz:
https://doaj.org/article/02284fc8e7824833b495c9c2212de242
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 2003 (2024)
This paper presents a study on connection-blocking prediction in Elastic Optical Networks (EONs) using Convolutional Neural Networks (CNNs). In EONs, connections are established and torn down dynamically to fulfill the instantaneous requirements of t
Externí odkaz:
https://doaj.org/article/0e303b7e81c94c5a8d5132eea498a109
Publikováno v:
Engineering Proceedings, Vol 47, Iss 1, p 16 (2023)
With emerging technologies like cloud computing and big data, managing traditional networks has become more demanding. Software-defined networking (SDN) promises faster implementation, flexibility, and simplified network management. However, due to S
Externí odkaz:
https://doaj.org/article/9e8ffef9b33e4623a775569f2f5479ab
Autor:
Masab Iqbal, Luis Velasco, Marc Ruiz, Nelson Costa, Antonio Napoli, Joao Pedro, Jaume Comellas
Publikováno v:
Sensors, Vol 23, Iss 5, p 2500 (2023)
New 5 G and beyond services demand innovative solutions in optical transport to increase efficiency and flexibility and reduce capital (CAPEX) and operational (OPEX) expenditures to support heterogeneous and dynamic traffic. In this context, optical
Externí odkaz:
https://doaj.org/article/ae1915af5c464caaa969d83005d645b3
Autor:
Pol González, Ramon Casellas, Jose-Juan Pedreno-Manresa, Achim Autenrieth, Fabien Boitier, Behnam Shariati, Johannes K. Fischer, Marc Ruiz, Jaume Comellas, Luis Velasco
Publikováno v:
2023 Optical Fiber Communications Conference and Exhibition (OFC).
A distributed telemetry system integrating optical measurement and event data collection is demonstrated. Measurements of optical spectra from Nokia Bell Labs, of optical transponders from ADVA and SDN controller events from CTTC will be showcased.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d27350a4eb39fdefd0689f52837a716b
https://doi.org/10.23919/ofc49934.2023.10116593
https://doi.org/10.23919/ofc49934.2023.10116593
Publikováno v:
2023 Optical Fiber Communications Conference and Exhibition (OFC).
A module to re-shape optical constellations making the optical signal resembles as it has traversed some distance is presented. Armed with this module, Main-in-the-Middle attacks can be performed, which could be undetectable by security systems.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8943625c6e2c8906c1a840effc0b36f
https://doi.org/10.23919/ofc49934.2023.10116394
https://doi.org/10.23919/ofc49934.2023.10116394
Secure communications have become a requirement for virtually all kind of applications. Currently, two distant parties can generate shared random secret keys by using public key cryptography. However, quantum computing represents one of the greatest
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9f2179935763492c2cc0a1d10c2b3d9
https://hdl.handle.net/2117/380010
https://hdl.handle.net/2117/380010
Publikováno v:
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
ICTON
Universitat Politècnica de Catalunya (UPC)
ICTON
In this paper, we evaluate five different architectures for implementing the Add/Drop module of future Spatial Division Multiplexing (SDM)-enabled Re-configurable Optical Add & Drop Multiplexers (ROADMs) with different degrees of flexibility, from a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::525beb9a1788e82752afdb4b77087c8e
https://hdl.handle.net/2117/337030
https://hdl.handle.net/2117/337030
Publikováno v:
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
ICTON
Universitat Politècnica de Catalunya (UPC)
ICTON
Spectrum fragmentation is one of the main drawbacks of Flex-Grid Optical Networks, and it becomes especially harmful under dynamic traffic conditions. When evolving from single fibre networks to spatial division multiplexed (SDM) ones, where many par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3dcf02cd51b348c09b7f75c9f6ea8774
http://hdl.handle.net/2117/337032
http://hdl.handle.net/2117/337032
Publikováno v:
Photonic Network Communications
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
The final publication is available at Springer via http://dx.doi.org/10.1007/s11107-018-0767-7 The main weakness of elastic optical networks (EON), under dynamic traffic conditions, stems from spectrum fragmentation. A lot of research efforts have be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d367e62dc4ed7994d0e6883cce2d7208
https://doi.org/10.1007/s11107-018-0767-7
https://doi.org/10.1007/s11107-018-0767-7