Ultra Wideband Coherent Optical Lans
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Ultra Wideband Coherent Optical Lans
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Author : S. Forcesi
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Ultra Wideband Coherent Optical Lans written by S. Forcesi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
The content of this book is the result of the work and the experiences of an interdisciplinary and strictly European group of researchers who have attempted to give birth to a new fibre communication network concept by exploiting the potential benefits of optical coherent transmission. The run towards this ambitious goal started in 1985 on the basis of the ESPRIT program incentives by an "ad hoc" consortium of industrial partners and research institutions. The first three years were dedicated to a feasibility study carried out by a reduced number of "pioneers". In 1989 the team was extended to eleven partners. There was already clear evidence of the increasing interest in Europe in exploring the actual limits of optical fibre coherent systems; the project had innovative and very advanced features that were gradually refined by incorporating the latest technological developments to which it has directly contributed. The main objective of the project targeted the development of the necessary building blocks to show experimentally the performance and the flexibility built into the proposed concept of multi-channel ultra-wideband network. The system concept developed within this project associates optical frequency division multiplexing with a suitable network architecture and management techniques to allow very high flexibility and efficiency in handling simultaneous transmission over the network (on each optical frequency) of multiple virtual channels each operating with a wide range of information rates ranging from a fraction of a Mb/s up to a maximum value in excess of 160 Mb/s.
Ultra Wideband Coherent Optical Lans
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Author : S Forcesi
language : en
Publisher:
Release Date : 1993-08-30
Ultra Wideband Coherent Optical Lans written by S Forcesi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-08-30 with categories.
Research Reports Esprit
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Author :
language : en
Publisher:
Release Date : 1993
Research Reports Esprit written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Coherent Fiber Optics Systems
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Author :
language : en
Publisher: Information Gatekeepers Inc
Release Date : 1990
Coherent Fiber Optics Systems written by and has been published by Information Gatekeepers Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Fiber optics categories.
On Ultra Wideband Over Fiber Transmission Systems Employing Semiconductor Optical Amplifiers
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Author : Haidar Taki
language : en
Publisher:
Release Date : 2017
On Ultra Wideband Over Fiber Transmission Systems Employing Semiconductor Optical Amplifiers written by Haidar Taki and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Ultra WideBand (UWB) over fiber is a promising technology for meeting the demands of future wireless local-area networks (WLANs) and wireless personal-area networks (WPANs). Thanks to the enormous bandwidth and fiber characteristics, a high communication quality may be established at long reach. UWB wireless propagation must be achieved with special power and spectral constraints fixed by the regulatory bodies (e.g. US Federal Communication Commission). The novelty of our work originates from exploiting the benefits of a Semiconductor Optical Amplifier (SOA) so as to get a reach extension at limited cost and complexity. However, the inherent nonlinear effects and Amplified Spontaneous Emission (ASE) noise associated to such device may affect the system performance.Overcoming these impairments has been of central importance in this study. SOA nonlinearities have been mitigated by applying analog pre-distortion in electrical domain. Phaser-based processing was also proposed to simultaneously reduce ASE influence and linearize SOA characteristics, thanks to up/down chirping performed on the transmitter/receiver sides. With Impulse Radio UWB transmission, due to the time properties of modulation patterns, discrete lines arise in the corresponding spectrum, which may violate FCC limit or reduce the power efficiency. A new shape randomization technique has been investigated, which proved to be effective in suppressing these spectral spikes. The three approaches have shown a great potential with On Off Keying and Pulse Position Modulation formats at long optical reach.The performance of Differential Chaos Shift Keying was finally examined in the over fiber system, a lower error probability was experimentally achieved in comparison with other non-coherent modulations.
Fiber Optic Metropolitan Area Networks Mans
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Author : IGIC, Inc. Staff
language : en
Publisher: Information Gatekeepers Inc
Release Date : 1994
Fiber Optic Metropolitan Area Networks Mans written by IGIC, Inc. Staff and has been published by Information Gatekeepers Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Technology & Engineering categories.
Information Technology Atlas Europe
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Author : International Organisations Services
language : en
Publisher: IOS Press
Release Date : 1990
Information Technology Atlas Europe written by International Organisations Services and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Business & Economics categories.
Fundamentals Of Bidirectional Transmission Over A Single Optical Fibre
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Author : M.O. van Deventer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Fundamentals Of Bidirectional Transmission Over A Single Optical Fibre written by M.O. van Deventer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Bidirectional transmission over optical fibre networks may yield a large cost reduction because of the reduction of the network infrastructure by a factor two and the potential cost reduction by an integrated transceiver design. It may also provide a cost-effective way to upgrade distribution networks by adding bidirectional channels. This book is the first to provide a comprehensive overview of bidirectional transmission in optical networks. It handles physical aspects: the behaviour of the fibre itself in bidirectional transmission transmission aspects: the behaviour and design of bidirectional systems and network aspects: the influence of bidirectional transmission on network design. £/LIST£ Practical guidelines are also given for bidirectional system design. Audience:This book is aimed at designers, builders and operators of optical networks, e.g. the manufacturers of optical transmission systems, public-network operators, developers of local-area networks, cable-television operators, etcetera. The intended level of readership is graduate level in physics or electrical engineering.
Coherent Optical Communications And Photonic Switching
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Author : Giancarlo Prati
language : en
Publisher: Elsevier Publishing Company
Release Date : 1990
Coherent Optical Communications And Photonic Switching written by Giancarlo Prati and has been published by Elsevier Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Digital communications categories.
Photonic switching is a term used to describe existing and new photonic devices in conjunction with existing and new electronic devices to realise new or improved switching and networking capabilities. It includes simple mechanically activated optical switches used for network protection switching and network reconfiguration, where an entire optical signal is redirected as a unit. It includes the use of optical interconnections within equipment to facilitate internal high speed and high density interconnects. It includes the use of tunable transmitters and receivers at the core of a high speed packet or circuit switch, with large quantities of electronics providing supporting interface and control functions. In principle it also includes the concept of an all-optical switch whose architecture and component technologies have yet to be invented. In recent years materials and device scientists have been coming together more and more with systems architects to uncover the real opportunity areas for coherent communications and photonic switching.
Fiber Optics Broadband Isdn
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Author : IGIC, Inc. Staff
language : en
Publisher: Information Gatekeepers Inc
Release Date : 1994
Fiber Optics Broadband Isdn written by IGIC, Inc. Staff and has been published by Information Gatekeepers Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computers categories.