搜索结果: 1-15 共查到“工学 passive optical networks”相关记录19条 . 查询时间(0.109 秒)
First OpenFlow-based Software-Defined -Flow Architecture for Flex-Grid OFDMA Mobile Backhaul over Passive Optical Networks with Filterless Direct Detection ONUs
OpenFlow-based Software-Defined Flex-Grid OFDMA Mobile Backhaul Passive Optical Networks Filterless Direct Detection ONUs
2014/11/6
We demonstrate the first software-defined OpenFlow1.0-based flex-grid -flow architecture enabling 150Mb/s per-cell OFDMA MBH overlays onto bidirectional 10Gb/s PON, without any ONU-side optica...
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...
Novel Architectures for Orthogonal Wavelength Division Multiplexed Passive Optical Networks (OWDM-PONs) in a 25-GHz Grid
Networks Optical communications
2015/5/22
A novel orthogonal wavelength-division-multiplexed passive optical network with 25-GHz channel spacing has been proposed and experimentally demonstrated for the first time.Error-free transmission over...
New Enabling Technologies for Passive Optical Networks with sustainable growth
Enabling Technologies sustainable growth Passive Optical Network
2015/5/18
This paper describes promising technologies for access networks from an operator’s viewpoint, especially as regards optical cables and transmission through passive optical networks,with a view to the ...
Complete Mitigation of Brillouin Scattering Effects in Reflective Passive Optical Networks using Triple-Format OFDM Radio Signals
Brillouin Scattering Effect Passive Optical Network Triple-Format OFDM Radio Signals
2015/5/18
Brillouin scattering is identified as a severe limitation in narrow line-width,bi-directional reflective systems. A spectrum management mitigation technique for triple-format OFDM signals is demonstra...
Self-protected Scheme for Wavelength Reusable WDM Passive Optical Networks
Wavelength Reusable WDM Passive Optical Network
2015/5/18
We propose a wavelength reusable WDM-PON scheme using protective interconnection fibers to achieve whole optical distribution network protection. 10Gb/s bidirectional transmission is experimentally de...
In-Service OTDR for Passive Optical Networks
Fiber optics links subsystems Fiber measurements
2015/6/5
We propose a novel in-service optical reflectometry based on the correlation detection using a pseudo-noise signal superimposed on the downstream signal. Using the proposed technique, we demonstrate t...
Fortistis: Split Extension in Dense Passive Optical Networks by Inline Amplification with Remote ASE-Shaped Pump Delivery via Colorless Optical Network Units
Fiber optics communications Networks Multiplexing
2015/6/4
A method for extending the customer density via ASE-pumped splitters in the tree in a WDM/TDM-PON is presented. The influence of Rayleigh backscattering in the feeder is faced,originally prohibiting a...
Hybrid Electro-Optical Feedback Gain-Stabilized EDFAs for Long-Reach Wavelength-Multiplexed Passive Optical Networks
Hybrid Electro-Optical Gain-Stabilized EDFAs Long-Reach Wavelength-Multiplexed Passive Optical Network
2015/7/20
A novel EDFA gain stabilization technique is given for low-noise WDM upstream amplification in long-reach, high-split passive optical networks. Hybrid opto-electrical feedback avoids drawbacks from kn...
The application of network coding in passive optical networks is shown to provide benefits in intra-PON communication scenarios with respect to reducing the packet loss ratio and queuing delay in case...
C+L Band Remote Node for Amplification in Extended Reach Full-Duplex 10Gb/s WDM/TDM Passive Optical Networks
C+L Band Remote Node Extended Reach Full-Duplex WDM/TDM Passive Optical Networks
2015/7/20
A remote node design for C+L band amplification is shown to cover the advanced optical power budget for a 50km reach, symmetrical 10G/10G WDM/TDM-PON. 5-10dB of margin is left despite OSNR degradation...
A Novel Multicast Overlay Scheme for WDM Passive Optical Networks using Optical Carrier Suppression Technique
WDM Passive Optical Networks Optical Carrier Suppression Technique
2015/7/20
A WDM-PON with simultaneous delivery of 10-Gb/s downstream unicast and upstream data as well as 10-Gb/s multicast data is proposed. Downstream multicast data is superimposed onto the subcarrier genera...
Broadcast Capable 40-Gb/s WDM Passive Optical Networks
Broadcast Capable WDM Passive Optical Networks
2015/7/17
A novel architecture for broadcast capable high-speed WDM-PONs is proposed. 40-Gb/s downlink and 10-Gb/s broadcast are demonstrated to transmit simultaneously on the same set of wavelength channels. A...
Enhanced Transmission in Long Reach WDM/TDM Passive Optical Networks by Means of Multiple Downstream Cancellation Techniques
Enhanced Transmission Long Reach WDM/TDM Passive Optical Networks Multiple Downstream Cancellation Techniques
2015/7/16
Downstream cancellation based on feed-forward injection and square root equalization in a WDM/TDM-PON based on intensity modulation and wavelength reuse for asymmetrical 2.5G/1.25G transmission over 1...
Bandwidth analysis of multimode fiber passive optical networks (PONs)
multimode fibers frequency response bandwidth
2011/5/6
The analysis of frequency response in different branches of a multimode fiber based passive optical network is conducted. Both the theoretical and experimental results show that bandwidth of various n...