• Publications
  • Influence
Ethernet Passive Optical Networks
TLDR
An EPON combines the transport of IEEE 802.3 Ethernet frames over a low-cost and broadband point-to-multipoint passive optical fibre infrastructure connecting the optical line terminal (OLT) located at the central office to optical network units (ONUs). Expand
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EPON versus APON and GPON: a detailed performance comparison
TLDR
Ethernet passive optical network (EPON) efficiency issues in both upstream and downstream directions are discussed in detail. Expand
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Performance Comparison of Wavelength Routing Optical Networks with Chordal Ring and Mesh-Torus Topologies
In this paper, we present a comparison of the blocking performance in wavelength routed optical networks with chordal ring and mesh-torus topologies. The comparison is focused on chordal rings with aExpand
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Performance assessment of high density wavelength division multiplexing systems with dispersion supported transmission at 10 Gbit/s
TLDR
This paper presents a simulation methodology for performance assessment of wavelength division multiplexing (WDM) systems using directly modulated quantum-well lasers and optically preamplified direct detection receivers. Expand
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Development of 10 Gb/s EPON in IEEE 802.3av
TLDR
The interest in the evolution of current PON systems toward high-data-rate systems capable of providing a future-proof platform for delivery of truly subscriber-oriented and personalized triple-play services resulted in the recent kickoff of the 10 Gb/s Ethernet PON system standardization effort. Expand
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Performance of 10G-EPON
TLDR
In this article, we discuss in detail all the components of 10G-EPON transmission overhead. Expand
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Discovery process for emerging 10 Gb/s EPONs
TLDR
We present the existing discovery process for 1G-EPON systems and propose a series of extensions required to support the extended discovery process, which include detection of the upstream and downstream data rates, as well as an extension of the existing registration handshake. Expand
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Stress analysis of lap joints involving natural fibre reinforced interface layers
This paper is concerned with a fatigue study of composite adhesive lap joints. The tests were carried out on specimen joints manufactured using different stacking sequences: solely bi-directionalExpand
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Generalized Chu polyphase sequences
  • J. S. Pereira, H. Silva
  • Mathematics, Computer Science
  • International Conference on Telecommunications
  • 25 May 2009
TLDR
A method to generate a prime number N of perfect sequences with length N is presented. Expand
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Influence of Chord Length on the Blocking Performance of Wavelength-Routed Chordal Ring Networks
TLDR
Using an analytical model, we have presented an assessment of the blocking performance in wavelength routed chordal ring networks with chord lengths of 3, N/4, or N +3. Expand
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