Results 51 to 60 of about 9,779 (219)

Approach of the T-CONT Allocation to Increase the Bandwidth in Passive Optical Networks [PDF]

open access: yesRadioengineering, 2017
This paper works with the simulation of T-CONT allocation and delay analysis in passive optical networks PON. Building our networks with the PON technology we can achieve increased data rates, however we need to ensure that the idle gaps between the ...
Z. Bosternak, R. Roka
doaj  

Availability Analysis of Different PON Models

open access: yesJournal of Telecommunications and Information Technology, 2017
Due to the increasing demands of individual users, Passive Optical Networks (PON) are a promising technology for future broadband access networks. Reliable access to network services is a very important feature, so the availability of the connection is ...
Katarina Radosˇ, Ivan Rados
doaj   +1 more source

Architecture to integrate multiple PONs with long reach DWDM backhaul [PDF]

open access: yes, 2009
This paper demonstrates the feasibility of an architecture that consolidates a number of deployed Passive Optical Network (PON) infrastructures into a long-reach, high-split ratio system which further increases equipment sharing between users.
Mitchell, J.E., Shea, D.P.
core   +1 more source

Sound Guides Object Size Choices in African Penguins Through Pitch–Size Association

open access: yesAnnals of the New York Academy of Sciences, Volume 1560, Issue 1, June 2026.
African penguins use auditory pitch to guide visual size choices. When hearing high‐pitched sounds, they preferentially approach and gaze at smaller objects, and when hearing low‐pitched sounds, they preferentially approach and gaze at larger ones.
Francesca Terranova   +5 more
wiley   +1 more source

Using Downstream DPSK and Upstream Wavelength-Shifted ASK for Rayleigh Backscattering Mitigation in TDM-PON to WDM-PON Migration Scheme

open access: yesIEEE Photonics Journal, 2013
A migration scheme from time-division-multiplex passive optical network (TDM-PON) to wavelength-division-multiplex PON (WDM-PON) using differential phase-shift keying (DPSK) for the downstream signal and wavelength-shifted amplitude-shift keying (WS-ASK)
C. W. Chow, C. H. Yeh
doaj   +1 more source

Hybrid Self-Protected Fiber-FSO WDM-PON System with Fiber Breakage Prevention

open access: yesPhotonics, 2022
In this research, we present and design a blended wavelength-division-multiplexing passive optical network (WDM-PON) architecture to deliver both baseband and free-space optical (FSO) signals by using two wavelength bands over an available bandwidth to ...
Ching-Hsuan Hsu   +7 more
doaj   +1 more source

SDN enabled dynamically reconfigurable high capacity optical access architecture for converged services [PDF]

open access: yes, 2016
Dynamically reconfigurable time-division multiplexing (TDM) dense wavelength division multiplexing (DWDM) long-reach passive optical networks (PONs) can support the reduction of nodes and network interfaces by enabling a fully meshed flat optical core ...
Blumm, Christian   +14 more
core   +1 more source

Potential of Covalent Organic Framework in Pharmacy and Biomedicine: Influence of Structure on Properties and Applications

open access: yesChemMedChem, Volume 21, Issue 9, 14 May 2026.
From modular COF design to biomedical translation, this Review maps how linkage chemistry, topology, pore environment, and particle engineering govern bioperformance, therapeutic and diagnostic function, safety, and clinical readiness. Covalent organic frameworks (COFs) are a versatile class of crystalline porous materials with growing potential in ...
Julia Kolodziejczyk   +1 more
wiley   +1 more source

Utilization of 10 Gbps DWDM System with Duobinary Modulation into Passive Optical Network

open access: yesJournal of Communications Software and Systems, 2018
Passive optical networks are considered to be the most promising solution for future access networks. Growing demand for capability and high bit rate transmission has become an important part of metropolitan optical communication networks in recent years.
Tomáš Huszaník   +2 more
doaj  

Crip Spaces For and With Disabled Filipinos: Mapping Bodies, Lands and Disasters in the Philippines

open access: yesAntipode, Volume 58, Issue 3, May 2026.
ABSTRACT In disaster settings, disabled people are often framed as passive recipients of aid, to be integrated into pre‐existing response mechanisms. This paper challenges that framing by centring disabled bodyminds and the crip‐for‐crip strategies that sustain survival amidst chronic disaster.
Danielle Santos   +3 more
wiley   +1 more source

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