Results 111 to 120 of about 3,786 (224)

Application of Fiber Ring for Protection of Passive Optical Infrastructure [PDF]

open access: yes, 2013
Today, passive optical networks (PONs) are mostly used as modern high-speed access networks for various applications. However, there are also several specific applications, such as in business, office, army or science sector, which require a complex ...
Lafata, P., Vodrazka, J.
core   +1 more source

Reflection tolerant coherent WDM-PON [PDF]

open access: yes
In this Thesis, after a brief overview on what PON is and on its actual technologies of implementation, a hybrid WDM/TDMA-PON system will be analyzed, focusing the attention on the receiver at the optical line terminal. The aim is to demonstrate the main
VITA, ROBERTA
core  

Design of experiment for in-situ synthesis of waste vegetable oils and synthetic based polyurethane (PU) foam composites [PDF]

open access: yes, 2018
This study focused on fabrication of polyurethane (PU) foams and its composites based on hydroxylated bioepoxy (B) and petroleum based synthetic epoxy (E), crosslinker and wood fillers.
Abd Wahab, Hanani   +2 more
core  

GPON unbundling for multioperator access [PDF]

open access: yes, 2013
Nowadays, incumbent operators are deploying GPON FTTH access network over substantial part of the countries in Europe, in a Point-to-Multipoint architecture (P2MP).
Carmona Torondell, David   +2 more
core   +1 more source

DFT-Spread Spectrally Overlapped Hybrid OFDM-Digital Filter Multiple Access IMDD PONs. [PDF]

open access: yesSensors (Basel), 2021
Sankoh A   +6 more
europepmc   +1 more source

Athermal colorless C-band optical transmitter system for passive optical networks [PDF]

open access: yes, 2014
This paper reports an uncooled transmitter system using a digital super-mode (DS) distributed Bragg reflector (DBR) tunable laser, which is able to act as an athermal, wavelength agnostic transmitter suitable for wavelength division multiplexed (WDM ...
,   +12 more
core  

Evaluation of ONU power saving modes in next generation optical access networks [PDF]

open access: yes, 2012
Colle, Didier   +5 more
core   +1 more source

基于正交FSK/ASK再调制的新型WDM-PON结构

open access: yesGuangtongxin yanjiu, 2010
文章提出了一种新型的基于正交频移键控(FSK)/幅移键控(ASK)再调制的波分复用-无源光网络(WDM-PON)结构,在下行方向,采用一种新型的基于相位-强度调制转换的FSK调制技术,实现了40 GHz的高速FSK信号;在上行方向,直接将10 GHz的ASK信号调制到FSK信号上,实现正交调制。文章研究了整个系统的性能,仿真结果显示,这种WDM-PON结构能满足接入网的传输要求,为未来的高速接入网提供了一种选择。
刘霄   +6 more
doaj  

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