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Atomic imperfections move quantum communication network closer to reality
Atomic imperfections move quantum communication network closer
2017/6/23
An international team led by the University of Chicago’s Institute for Molecular Engineering has discovered how to manipulate a weird quantum interface between light and matter in silicon carbide alon...
GREENHOUSES DETECTION USING AN ARTIFICIAL NEURAL NETWORK WITH A VERY HIGH RESOLUTION SATELLITE IMAGE
Artificial Neural Network Very High Resolution Satellite Image Texture Analysis
2015/8/31
Detecting and locating greenhouses in south-east of Spain is very important for politicians and other persons who may take decisions
about management of natural resources and who must design agricul...
NETWORK ORIENTATION MODELS FOR IMAGE-BASED 3D MEASUREMENT
close-range photogrammetry image orientation automation relative orientation collinearity projective geometry
2015/8/7
Network orientation is a fundamental step in image-based 3D measurement. This paper aims to offer insights into
network orientation by considering developments in analytical close-range photogrammet...
Comparison of OFDMA and SC-FDMA Channel Access Techniques in a Passive Optical Network Environment
Comparison OFDMA SC-FDMA Channel Access Techniques Passive Optical Network Environment
2011/5/25
For the first time, OFDMA and SC-FDMA are compared experimentally as candidate uplink access techniques for next-generation PONs. Important issues like peak-to-average power ratio, optical beat interf...
A Bidirectional 2×2 Photonic Network Building-Block for High-Performance Data Centers
Networks Optical interconnects
2011/5/22
The design of a unique bidirectional 2×2 SOA-based optical switch is detailed and experimentally validated. Error-free operation and routing correctness is verified for 4×10Gb/s pseudorandom messages.
Radio over Fiber Technology for Next-Generation E-Health in Converged Optical and Wireless Access Network
Optical communications Radio frequency photonics
2011/5/22
Development of system technology for effective networking infrastructure for next generation e-health applications is addressed. An integrated optical wireless access architecture based on radio-over-...
The Convergence of L1/2/3 Functionality in Next Generation Network Elements–A Carrier’s Perspective
Convergence Functionality Generation Network Elements Carrier’s Perspective
2011/5/22
As services migrate from being primarily TDM-based to more packet-centric, it makes sense to also integrate into the transport equipment those functions that are needed to provide optimized connectivi...
Lightweight Optical Aero-Engine Control Network
Networks network optimization Networks ring
2011/5/22
A novel communication platform, AViAtion real-Time Adaptive Ring (AVATAR), using Ethernet-over-WDM is proposed to support real-time aero-engine control network. Optimal frame layout for different netw...
A 10 Gb/s Passive-Components-based WDM-TDM Reconfigurable Optical Access Network Architecture
Optical communications Networks
2011/5/22
We propose a cost-effective, reconfigurable optical access network by employing passive components in the remote node and dual conventional optical transceivers in ONUs. The architecture is demonstrat...
A Novel Optical Burst Ring Network with Optical-Layer Aggregation and Flexible Bandwidth Provisioning
Network ring All-optical networks
2011/5/22
A novel optical burst ring network is proposed by employing fixed-tuned transmitters rather than fast tunable lasers. All-optical traffic aggregation/bypass at network nodes significantly reduces the ...
Transport Network Evolution:from TDM to Packet
Networks packet-switched Networks circuit-switches
2011/5/22
Transport networks and technologies are undergoing transformation. The genesis of that transformation is packet switching embedded on transport equipment together with DWDM,OTN, and SONET/PDH switchin...
GMPLS/PCE/OBST Architectures for Guaranteed Sub-Wavelength Mesh Metro Network Services
Networks packet-switched Fiber optics communications
2011/5/21
This paper presents three innovative GMPLS/PCE/OBST interworking archi-tectures for mesh metro networks which deliver guaranteed contention-free sub-wavelength services with enhanced channel utilizati...
Influence of Broadcast Traffic on Energy Efficiency of Long-Reach SARDANA Access Network
Influence Broadcast Traffic Energy Efficiency Long-Reach SARDANA Access Network
2011/5/21
We describe reach extension in SARDANA TDM/WDM PON and show that energy efficiency of SARDANA increases when increasing the amount of broadcast traffic. 10G point-to-point optical access networks prov...
Energy Efficient Optical Access Network Technologies
Energy Efficient Optical Access Network Technologies
2011/5/21
This paper summarizes recent technologies for reducing the power consumption of optical access networks and discusses trends in network evolution focusing on energy efficiency.
A Wavelength-Aware approach for Translucent design and dynamic routing is presented. Compared to the Wavelength-UnAware worst-case design scenario, up to 100% reduction on OEO interfaces has been foun...