搜索结果: 1-15 共查到“光信息技术 Transparent”相关记录18条 . 查询时间(1.083 秒)
Defragmentation of Transparent Flexible Optical WDM (FWDM) Networks
Defragmentation Transparent Flexible Optica WDM (FWDM) Networks
2015/5/25
We introduce the network defragmentation problem for FWDM networks, formulate it,and propose heuristics. The network defragmentation process consolidates the available spectrum significantly while min...
Survivable Transparent Flexible Optical WDM (FWDM) Networks
Networks network optimization Networks network survivability
2015/5/25
We propose an efficient survivable FWDM network design algorithm for the first time.Survivable FWDM networks are efficient in terms of spectral utilization, power consumption, and cost compared to the...
Demonstration of 28-40-Gbaud, OOK/BPSK/QPSK Data- Transparent Optical Correlation with Control/Tunability over Time Delays, Phases and Number of Taps
Fiber optics communications Nonlinear optical signal processing
2015/5/21
We demonstrate a tunable optical correlator for amplitude and phase modulated signals up to 4-symbol-long patterns using conversion/dispersion based delays. We observed ~1-dB sensitivity penalty (at 1...
Impact of transparent network constraints on capacity gain of elastic channel spacing
network constraints channel spacing capacity gain
2015/5/15
We compare fixed-grid network architectures with variable-spacing OFDM based solutions. We show that capacity gains can reach up to 50% but are strongly affected by physical and topological constraint...
Evolutive Lightpath Assessment in GMPLS-controlled Transparent Optical Networks
GMPLS-controlled Transparent Optical Network Lightpath Assessment
2015/5/15
A method to mix impairments estimations and in-field measured data is proposed to evaluate the Quality of Transmission of new lightpaths. It is applied before lightpath establishment and increases the...
160-Gb/s Tunable All-Optical Phase-Transparent Wavelength Conversion through Cascaded SFG-DFG in a Linear-Chirped PPLN Waveguide
Optical communications Nonlinear optics integrated optics
2015/6/10
We experimentally demonstrate a 160-Gb/s tunable and phase-transparent wavelength conversion using cSFG-DFG in a linear-chirped PPLN. Thanks to the enhanced conversion bandwidth, no any optical equali...
Survivable Mapping with Maximal Physical-Layer Failure-Localization Potential in IP over Transparent Optical Networks
Networks Network survivability Network optimization
2015/6/10
Physical-layer failure-localization potential is explored in finding the survivable mapped lightpaths of IP over transparent optical networks. Numerical results show that accurate or near-accurate fai...
Development of Photonic Switching Node Prototypes for Transparent Networks
Switching packet All-optical networks
2015/6/9
Using newly developed PLZT-based OBS core node, low-loss Ether-frame transmission with application-layer connectivity is demonstrated over 92-km 2-hop field testbed. Recent progresses in developing OP...
Applicability verification of all-optical sampling based Q factor monitor for link-by-link fault management in transparent optical networks
Networks Optical communications
2015/6/9
Applicability of all-optical sampling based Q-factor monitor has been successfully verified for link-by-link fault management in transparent optical mesh networks by comparing with an electrical recei...
Transparent WDM Network with Bitrate Tunable Optical OFDM Transponders
Networks network optimization Modulation
2015/6/5
Reach estimations for several variable-bitrate OFDM schemes are presented and discussed in the framework of a transparent EU core network scenario. 44% reduction on OE interfaces is found compared to ...
Experimental validation of end-to-end GMPLS-enabled restoration in multi-domain transparent WSON
Networks protection restoration
2015/6/5
Two GMPLS restoration strategies operating at wavelength and link granularities are experimentally validated in a multi-domain WSON. The strategies are qualitatively compared in terms of resource usag...
Demonstration of QoS-Classified Survivability Schemes in Transparent OBS/GMPLS Networks Using Streaming Media Transmission
QoS-Classified Survivability Schemes Streaming Media Transmission
2015/7/15
Various survivability schemes for the end-to-end transparent optical connectivity in OBS/GMPLS networks are experimentally demonstrated by using streaming media transmission. The results validate the ...
Dissemination of Monitoring Information in Transparent Optical Networks
Dissemination Monitoring Information Transparent Optical Networks
2015/7/14
The PCE architecture is designed to be a cost-effective solution for computing optimal paths in next-generation core networks. In this paper we propose a method for disseminating optical monitoring in...
Introduction of Confidence Levels for Transparent Network Planning
Introduction Confidence Levels Transparent Network Planning
2015/7/14
Confidence level on connection feasibilities is used to obtain Q-estimate margins when parameter uncertainties are considered. Adding such margins to the Q-estimate instead of fixed margins gives 22% ...
Lightpath establishment in distributed transparent dynamic optical networks using network kriging
Lightpath establishment distributed transparent dynamic optical networks network kriging
2015/7/14
A lightpath provisioning scheme is proposed to guarantee Quality of Transmission (QoT) in transparent optical networks. The scheme novelty consists in utilizing the network kriging framework to estima...