搜索结果: 16-30 共查到“光信息技术 Networks”相关记录125条 . 查询时间(0.171 秒)
On the Interest of Chirped Lasers for AMOOFDM Transmissions in Long Distance PON Networks
Fiber optics communications Modulation
2015/5/26
We report the performance of a chirped laser in IMDD-based transmissions and we show that the interplay between laser chirp and fiber dispersion can be very attractive for long distance PONs if adapti...
Transmission of Multi-Band OFDM-UWB Signals along NG-FTTH Networks using Directly Modulated Lasers
Modulation Optical communications
2015/5/26
Transmission of multi-band OFDM-UWB signals along FTTH networks using directly modulated lasers is experimentally evaluated. Reach of 100 km of standard SMF is achieved with a BER below 10 -4 and an O...
Multi-Mode Fibers (MMFs) have been developed since the early age of optical communications till the more recent explosion of the Ethernet traffic. This paper will review state of the art MMF technolog...
Design Green and Cost-Effective Translucent Optical Networks
Networks combinatorial network design Signal regeneration
2015/5/26
We report a network design algorithm to effectively reduce the cost and power consumption of translucent networks by using all-optical 2R regenerators. Simulation results show that the number of O/E/O...
Energy-efficient Connection Provisioning in WDM Optical Networks
All-optical networks Networks assignment routing algorithms
2015/5/26
A novel energy-efficient dynamic provisioning scheme is proposed by using an intelligent load control mechanism and an auxiliary graph model. Significant reduction in total energy consumption is achie...
Full Standard Triple-Play Bi-Directional and Full-Duplex CWDM Transmission in Passive Optical Networks
Fiber optics optical communications All-optical networks
2015/5/25
Bi-directional CWDM radio-over-fiber transmission of triple-format full-standard OFDM signals in coexistence (UWB, WiMAX and LTE) (1.178 Gbit/s full-duplex) is demonstrated over 50.6 km SSMF in passiv...
A Novel Segment-Based Protection Algorithm for Multicast Sessions in Optical Networks with Mesh Topologies
Fiber optics optical communications Networks multicast
2015/5/25
This work examines protection of multicast sessions in optical networks utilizing a novel segment-based algorithm called Level Protection. Our proposed scheme exhibits improved performance compared to...
Multi-Failure Post-Fault Restoration in Multidomain DWDM Networks
Multi-Failure Post-Fault Restoration Multidomain DWDM Networks
2015/5/25
This paper proposes an adapted crankback-enabled post-fault restoration scheme against large-area failure events in multi-domain DWDM optical network. This novel solution provides recovery and resourc...
On Multiplexing Optimization in DWDM Networks
Fiber optics optical communications Networks network optimization
2015/5/25
We propose a novel graph model for multiplexing optimization in optical networks and evaluate the performance of several multiplexing policies. Simulation shows that our advocated multiplexing policy ...
We review the growth of the different sources of data traffic on backbones, highlight the importance and nature of IP services today, and discuss the implications on content distribution and efficient...
Efficient Optical Packet Transport in Access, Metro, and Core Networks
Networks Networks network optimization
2015/5/25
We present and evaluate opportunities and challenges for packet optical transport of residential and business data services from access to core networks. Presented solutions are evaluated based on sam...
Integrated Electrical/Optical Switching for Future Energy Efficient Packet Networks
Optical communications Network optimization Packet-switched networks
2015/5/25
Future packet transport networks need to cope with rapidly growing Internet traffic.Hybrid architecture approaches combining limited electronic with massive optical switching can help to overcome the ...
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...
Dynamic Routing and Frequency Slot Assignment for Elastic Optical Path Networks that Adopt Distance Adaptive Modulation
Networks assignment routing algorithms All-optical networks
2015/5/25
We propose a dynamic routing and frequency slot assignment algorithm for SLICE networks that employ distance adaptive modulation. We verify that the spectrum utilization penalty that stems from non-un...
Spectrum Efficient Super-Channels in Dynamic Flexible Grid Networks – A Blocking Analysis
Networks assignment routing algorithms
2015/5/25
We analyze the blocking performance of spectrum efficient super-channels in dynamic flexible grid networks. Results demonstrate that increased spectral efficiency and flexible super-channel assignment...