搜索结果: 76-90 共查到“工学 Radio”相关记录100条 . 查询时间(0.095 秒)
3.125 Gb/s Impulse Radio UWB over Fiber Transmission
Gb/s Impulse Radio UWB Fiber Transmission
2015/7/17
We demonstrate 3.125 Gb/s photonic impulse radio UWB generation using an uncooled distributed feedback laser. After 50km fiber transmission the signal is recovered without errors using a digital signa...
Experimental 2.5 Gbit/s QPSK WDM Coherent Phase Modulated Radio- over-Fibre Link with Digital Demodulation by a K-means Algorithm
QPSK WDM Coherent Phase Modulated Radio- over-Fibre Link Digital Demodulation K-means Algorithm
2015/7/17
Highest reported bit rate of 2.5 Gbit/s for optically phase modulated radio-over-fibre link employing coherent detection is demonstrated. Demodulation of 3x2.5 Gbit/s QPSK modulated WDM channels, is a...
Evolution of Optical Access Network Technologies in Radio Systems
Evolution Optical Access Network Technologies Radio Systems
2015/7/15
Radio system architecture has drastically changed thanks to the evolution of optical fibre technologies.This paper describes optical access technologies that contribute to the efficient construction o...
Spectrally Efficient Simultaneous Delivery of 112Gbps Baseband Wireline and 60 GHz MM-Wave Carrying 10Gbps Optical Wireless Signal in Radio-over-Fiber WDM-PON Access Systems
Spectrally Efficient Radio-over-Fiber WDM-PON Access Systems
2015/7/15
For the first time, we demonstrate a novel scheme to deliver 112Gbps PolMux-RZ-QPSK baseband and 10Gbps optical wireless signals at 60GHz millimeter-wave in downstream links and 10Gbps centralized lig...
This presentation will review the recent developments and advances in Radio-Over-Technologies,highlight the challenges that remain and outline the work being undertaken within the EU Network of Excell...
Integrated Platform of Millimeter-Wave Radio-Over-Fiber and Baseband Services in a Reconfigurable Ring/Bus Access Network Using Wavelength Interleaving and Polarization Multiplexing
Millimeter-Wave Radio-Over-Fiber Reconfigurable Ring/Bus Access Network Wavelength Interleaving and Polarization Multiplexing
2015/7/15
A novel polarization demultiplexing for wavelength-interleaved 1.25-Gb/s baseband signals and 155-Mb/s 60-GHz radio-over-fiber signals, combined with tunable filtering for access to consecutive remote...
WiMAX Radio-on-Fibre in 118-km Long-Reach PON with Deployed Fibre
WiMAX Radio-on-Fibre 118-km Long-Reach PON Deployed Fibre
2015/7/14
We demonstrate a radio over fibre link supporting 256-QAM / 12 Mbaud WiMAX signalling over 118-km long-reach PON with deployed fibre. Our colourless implementation uses commercially-available, low-com...
Lifecycle management of facilities components using radio frequency identification and building information model
RFID Lifecycle Management Building Information Model Construction Automation Distributed Information
2010/9/29
The AECOO industry is highly fragmented; therefore, efficient information sharing and exchange between various players are evidently needed. Furthermore, the information about facility components shou...
Gas Temperature Analysis of Laser Gain Medium in a Slab-type Radio-frequency-discharge-excited CO2 Laser
DFB laser Absorption spectroscopy CO2 absorption lines
2009/6/1
An optical method of temperature measurement to analyze CO2 laser active medium based on near-infrared absorption spectroscopy with a 1.6-µm distributed-feedback (DFB) semi- conductor laser is d...
All-optical frequency down-conversion based on cross-phase modulation in high nonlinearity dispersion-shifted fiber for WDM radio over fiber application
all-optical frequency down-conversion radio over fiber (ROF)
2011/5/6
Simultaneous all-optical frequency down-conversion technique based on cross-phase modulation in a high nonlinearity dispersion-shifted fiber is proposed and verified by simulation, and its application...
Versatile Broadband Service Delivery on PON Employing a Hybrid Optical Code Division Multiple Access/Radio-over-Fiber System
Broadband Service Delivery PON Hybrid Optical Division Multiple Access/Radio-over-Fiber System
2015/8/6
We introduce a cost-effective OCDMA/RoF system on PON for broadband service delivery independent of the user's location. Successful simulation results on 16-QAM transmitted downstream at 250 MS/s are ...
16Gbit/ s Radio OFDM Signals over Graded-Index Plastic Optical Fiber
Radio OFDM Signals Graded-Index Plastic Optical Fiber
2015/8/6
A broadband access system with a record bandwidth of 16Gbit/s radio OFDM signals transmission over 50m GI-POF at 1310nm has been designed and experimentally demonstrated for the first time.
OFDM Radio-over-Fibre Systems Employing Routing in Multi-Mode Fibre In-building Networks
OFDM Radio-over-Fibre Systems Employing Routing Fibre In-building Networks
2015/7/31
We report a radio-over-fibre system for all-optical routing OFDM signal at 18.3 GHz over 950 m multi-mode fibre, with error vector magnitude penalty < 3%.
Highly Linear Radio-over-Fiber Transmitter for Subcarrier Multiplexed Systems
Linear Radio-over-Fiber Transmitter Subcarrier Multiplexed Systems
2015/7/31
A highly linear RoF transmitter, employing a dual Mach-Zehnder modulator, is proposed and experimentally tested. Carrier to interference ratio improvement of 16dB, compared to conventional external mo...
Bi-directional, 480Mbps, Ultra-Wideband, Radio-over-Fibre Transmission Using a 1310/1564nm Reflective Electro-absorption Transducer and Commercially-Available Components
Ultra-Wideband Radio-over-Fibre Transmission Reflective Electro-absorption Transducer Commercially-Available Components
2015/7/31
We present the first experimental demonstration of a bi-directional, reflective, electro-absorption transducer-based, 480 Mbps UWB-wireless/optical transmission system. A -21.4dB error vector magnitud...