Results 361 to 370 of about 1,847,375 (374)

Asynchronous optical performance monitor techniques for DWDM optical networks

Proceedings of 2002 4th International Conference on Transparent Optical Networks (IEEE Cat. No.02EX551), 2003
The current techniques of optical system performance monitoring are described and characterized. From the available techniques, we focus our attention on the asynchronous Q method, and it is described and evaluated for several working conditions. This technique allows optical performance monitoring without synchronization, thus allowing the performance
Mário Lima, João L. Pinto, Antônio Lúcio Teixeira, Paulo André, J.R.F. da Rocha   +4 more
openaire   +2 more sources

Performance of a mobile wireless optical CDMA monitoring system

2012 International Symposium on Wireless Communication Systems (ISWCS), 2012
In this paper, we determine the performances of an Optical Code Division Multiple Access (OCDMA) based wireless transmission system for indoor healthcare monitoring application. We consider line of sight communication links between multiple emitters placed on monitored patients and a base station located at the environment ceiling.
Barbot, Nicolas, Sahuguede, Stéphanie, Julien-Vergonjanne, Anne   +2 more
openaire   +3 more sources

Optical performance monitoring in the MCI network [Invited]

Journal of Optical Networking, 2004
Feature Issue on Optical Performance Monitoring (OPM). The next-generation integrated performance monitor (NGIOPM) will prove to be a necessary tool for MCI to monitor and maintain its optical transmission network. The functions and requirements described for NGIOPM are intended for incorporation into various transmission network elements such as add ...
Mike Bencheck, John Fee
openaire   +2 more sources

Deploying optical performance monitoring in TeliaSonera's network

SPIE Proceedings, 2004
This paper reports on the first steps taken by TeliaSonera towards deploying optical performance monitoring (OPM) in the company’s transport network, in order to assure increasingly reliable communications on the physical layer. The big leap, a world-wide deployment of OPM still awaits a breakthrough.
Torbjorn K. Svensson, Per-Olov E. Karlsson   +1 more
openaire   +2 more sources

Optical performance monitoring (OPM) in next-generation optical networks

SPIE Proceedings, 2002
DWDM transmission is the enabling technology currently pushing the transmission bandwidths in core networks towards the multi-Tb/s regime with unregenerated transmission distances of several thousand km. Such systems represent the basic platform for transparent DWDM networks enabling both the transport of client signals with different data formats and ...
openaire   +2 more sources

Optical performance monitoring

2010
Alan Willner, Xiaoxia Wu, Jeng-Yuan Yang
openaire   +1 more source

Data-analytics-based Optical Performance Monitoring Technique for Optical Transport Networks

Optical Fiber Communications Conference and Exhibition, 2018
T. Tanimura, T. Hoshida, T. Kato, Shigeki Watanabe, H. Morikawa   +4 more
semanticscholar   +1 more source

Optical performance monitoring for coherent optical systems

2010
Yan Tang, Xingwen Yi, William Shieh
openaire   +1 more source

Optical performance monitoring for dynamic and flexible photonic networks

Photonics West - Optoelectronic Materials and Devices, 2015
S. Oda, Jeng-Yuan Yang, Y. Akasaka, O. Vassilieva, Tomohiro Yamauchi, Y. Aoki, M. Sekiya, J. Rasmussen   +7 more
semanticscholar   +1 more source

Simultaneous optical performance monitoring and modulation format/bit-rate identification using principal component analysis

IEEE\/OSA Journal of Optical Communications and Networking, 2014
M. Tan, F. Khan, W. Al-Arashi, Yudi Zhou, A. Lau   +4 more
semanticscholar   +1 more source