Optical Cdma Networks

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Optical CDMA Networks

Author : Hooshang Ghafouri-Shiraz
Publisher : John Wiley & Sons
ISBN 13 : 1119942004
Total Pages : 434 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Optical CDMA Networks by : Hooshang Ghafouri-Shiraz

Download or read book Optical CDMA Networks written by Hooshang Ghafouri-Shiraz and published by John Wiley & Sons. This book was released on 2012-04-04 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses heavily on the principles, analysis and applications of code-division multiple-access (CDMA) techniques in optical communication systems and networks. In this book, the authors intimately discuss modern optical networks and their applications in current and emerging communication technologies, evaluating the quality, speed and number of supported services. In particular, principles and fundamentals of optical CDMA techniques from beginner to advanced levels are heavily covered. Furthermore, the authors concentrate on methods and techniques of various encoding and decoding schemes and their structures, as well as analysis of optical CDMA systems with various transceiver models including advanced multi-level incoherent and coherent modulations with the architecture of access/aggregation networks in mind. Moreover, authors examine intriguing topics of optical CDMA networking, compatibility with IP networks, and implementation of optical multi-rate multi-service CDMA networks. Key features: Expanded coverage of optical CDMA networks, starts from principles and fundamentals Comprehensive mathematical modelling and analysis from signal to system levels Addresses the applications of modern optical networking in the current and emerging communication technologies Greater focus on advanced optical multi-level incoherent and coherent modulations, spreading codes, and transceiver designs Detailed hardware specifications, system-level block diagrams, and network nodes’ functionalities This book appeals to researchers, practicing engineers, and advanced students. It is a practical resource for readers with an interest in optical communications and networks.

Optical Code Division Multiple Access

Author : Paul R. Prucnal
Publisher : CRC Press
ISBN 13 : 1420026615
Total Pages : 402 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Optical Code Division Multiple Access by : Paul R. Prucnal

Download or read book Optical Code Division Multiple Access written by Paul R. Prucnal and published by CRC Press. This book was released on 2018-10-03 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Code-division multiple access (CDMA) technology has been widely adopted in cell phones. Its astonishing success has led many to evaluate the promise of this technology for optical networks. This field has come to be known as Optical CDMA (OCDMA). Surveying the field from its infancy to the current state, Optical Code Division Multiple Access: Fundamentals and Applications offers the first comprehensive treatment of OCDMA from technology to systems. The book opens with a historical perspective, demonstrating the growth and development of the technologies that would eventually evolve into today's optical networks. Building on this background, the discussion moves to coherent and incoherent optical CDMA coding techniques and performance analysis of these codes in fiber optic transmission systems. Individual chapters provide detailed examinations of fiber Bragg grating (FBG) technology including theory, design, and applications; coherent OCDMA systems; and incoherent OCDMA systems. Turning to implementation, the book includes hybrid multiplexing techniques along with system examples and conversion techniques to connect networks that use different multiplexing platforms, state-of-the-art integration technologies, OCDMA network security issues, and OCDMA network architectures and applications, including a look at possible future directions. Featuring contributions from a team of international experts led by a pioneer in optical technology, Optical Code Division Multiple Access: Fundamentals and Applications places the concepts, techniques, and technologies in clear focus for anyone working to build next-generation optical networks.

Optical Code Division Multiple Access Communication Networks

Author : Hongxi Yin
Publisher : Springer Science & Business Media
ISBN 13 : 3540684689
Total Pages : 399 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Optical Code Division Multiple Access Communication Networks by : Hongxi Yin

Download or read book Optical Code Division Multiple Access Communication Networks written by Hongxi Yin and published by Springer Science & Business Media. This book was released on 2009-03-15 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical code division multiple access (OCDMA) communication network technology will play an important role in future optical networks, such as optical access and metropolitan area networks. OCDMA technology can also be applied to implement optical signal multiplexing and label switching on backbone networks. Optical Code Division Multiple Access Communication Networks - Theory and Applications introduces the code theory of OCDMA, the methods and technologies of OCDMA encoding and decoding, the theory and methods of analyzing OCDMA systems with various receiver models and realizing multiple-class services with different bit rates and QoS. In addition, OCDMA network architectures, protocols and applications are discussed in detail. The up-to-date theoretical and experimental results on OCDMA systems and networks are also reported. A large number of encoding/decoding examples and many analysis and simulation results of code and system performances are given. It is a valuable text and/or reference book for postgraduates majoring in telecommunication and photonics to obtain a well-knit theoretical foundation and for engineers in R&D and management of optical communications. Dr. Yin is an Associate Professor of the School of Electronics Engineering and Computer Science at Peking University, China, and was a Visiting Research Fellow of Optoelectronics Research Centre (ORC) at University of Southampton, UK. Dr. Richardson is a Professor for optical communications and Deputy Director of ORC at University of Southampton, UK, and is responsible for much of the ORC's fiber related activities.

Optical CDMA Networks

Author : Hooshang Ghafouri-Shiraz
Publisher : John Wiley & Sons
ISBN 13 : 0470665173
Total Pages : 434 pages
Book Rating : 4.4/5 (76 download)

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Book Synopsis Optical CDMA Networks by : Hooshang Ghafouri-Shiraz

Download or read book Optical CDMA Networks written by Hooshang Ghafouri-Shiraz and published by John Wiley & Sons. This book was released on 2012-08-07 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses heavily on the principles, analysis and applications of code-division multiple-access (CDMA) techniques in optical communication systems and networks. In this book, the authors intimately discuss modern optical networks and their applications in current and emerging communication technologies, evaluating the quality, speed and number of supported services. In particular, principles and fundamentals of optical CDMA techniques from beginner to advanced levels are heavily covered. Furthermore, the authors concentrate on methods and techniques of various encoding and decoding schemes and their structures, as well as analysis of optical CDMA systems with various transceiver models including advanced multi-level incoherent and coherent modulations with the architecture of access/aggregation networks in mind. Moreover, authors examine intriguing topics of optical CDMA networking, compatibility with IP networks, and implementation of optical multi-rate multi-service CDMA networks. Key features: Expanded coverage of optical CDMA networks, starts from principles and fundamentals Comprehensive mathematical modelling and analysis from signal to system levels Addresses the applications of modern optical networking in the current and emerging communication technologies Greater focus on advanced optical multi-level incoherent and coherent modulations, spreading codes, and transceiver designs Detailed hardware specifications, system-level block diagrams, and network nodes’ functionalities This book appeals to researchers, practicing engineers, and advanced students. It is a practical resource for readers with an interest in optical communications and networks.

High Performance Optical-CDMA Networks with Non-linear All-optical Thresholders

Author : Yixue Du
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis High Performance Optical-CDMA Networks with Non-linear All-optical Thresholders by : Yixue Du

Download or read book High Performance Optical-CDMA Networks with Non-linear All-optical Thresholders written by Yixue Du and published by . This book was released on 2008 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical CDMA for Access Networks

Author : Camille-Sophie Brès
Publisher :
ISBN 13 : 9781109883008
Total Pages : 334 pages
Book Rating : 4.8/5 (83 download)

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Book Synopsis Optical CDMA for Access Networks by : Camille-Sophie Brès

Download or read book Optical CDMA for Access Networks written by Camille-Sophie Brès and published by . This book was released on 2007 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last sections focus on looking towards future applications of incoherent OCDMA in access networks. Subsystems, required to allow compatibility of OCDMA on current network architectures such as ring, bus or mesh, are designed and demonstrated. Finally, Chapter 7 attempts to combine all the information and knowledge acquired throughout this thesis to assess the performance of OCDMA lightwave network through means of simulations.

Optical Code Division Multiple Access

Author : Paul R. Prucnal
Publisher : CRC Press
ISBN 13 : 1351837001
Total Pages : 292 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Optical Code Division Multiple Access by : Paul R. Prucnal

Download or read book Optical Code Division Multiple Access written by Paul R. Prucnal and published by CRC Press. This book was released on 2018-10-03 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Code-division multiple access (CDMA) technology has been widely adopted in cell phones. Its astonishing success has led many to evaluate the promise of this technology for optical networks. This field has come to be known as Optical CDMA (OCDMA). Surveying the field from its infancy to the current state, Optical Code Division Multiple Access: Fundamentals and Applications offers the first comprehensive treatment of OCDMA from technology to systems. The book opens with a historical perspective, demonstrating the growth and development of the technologies that would eventually evolve into today's optical networks. Building on this background, the discussion moves to coherent and incoherent optical CDMA coding techniques and performance analysis of these codes in fiber optic transmission systems. Individual chapters provide detailed examinations of fiber Bragg grating (FBG) technology including theory, design, and applications; coherent OCDMA systems; and incoherent OCDMA systems. Turning to implementation, the book includes hybrid multiplexing techniques along with system examples and conversion techniques to connect networks that use different multiplexing platforms, state-of-the-art integration technologies, OCDMA network security issues, and OCDMA network architectures and applications, including a look at possible future directions. Featuring contributions from a team of international experts led by a pioneer in optical technology, Optical Code Division Multiple Access: Fundamentals and Applications places the concepts, techniques, and technologies in clear focus for anyone working to build next-generation optical networks.

Prime Codes with Applications to CDMA Optical and Wireless Networks

Author : Guu-Chang Yang
Publisher : Artech House
ISBN 13 : 9781580535526
Total Pages : 378 pages
Book Rating : 4.5/5 (355 download)

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Book Synopsis Prime Codes with Applications to CDMA Optical and Wireless Networks by : Guu-Chang Yang

Download or read book Prime Codes with Applications to CDMA Optical and Wireless Networks written by Guu-Chang Yang and published by Artech House. This book was released on 2002-01-31 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first-of-its-kind book provides you with the latest research on prime codes and their advanced wireless and optical communications applications. It describes in clear, concise language the fundamental issues involved in prime codes and their relationships to modern communications, with the focus on performance analysis and results. Examples are used to illustrate the fundamental concepts and to show you how prime codes are designed. You learn how to apply prime codes to optical communication systems and networks with experimental demonstrations.

Design and Analysis of Spreading Code and Transceiver Architectures for Optical CDMA Networks

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (69 download)

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Book Synopsis Design and Analysis of Spreading Code and Transceiver Architectures for Optical CDMA Networks by :

Download or read book Design and Analysis of Spreading Code and Transceiver Architectures for Optical CDMA Networks written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, firstly we have reviewed both previous and current state of optical CDMA (OCDMA) technologies. Search for appropriate spreading codes is one of the main challenges of OCDMA applications and hence is an important topic which is heavily addressed in the literature. Existing codes have restrictions on code-lengths, weights and correlation properties where the number of generated codes is severely limited. Secondly, we have paid a particular attention to proposing a novel spreading code, hereby referred to as Double Padded Modified Prime Code (DPMPC) which suppresses the multiple-access interference and also enhances the network capacity. Then, we have applied the DPMPC to both coherent and incoherent time-spreading OCDMA transceivers and analysed their overall performances. We have also proposed novel transceivers which are power-efficient, simple and able to accommodate great number of simultaneous users. Accordingly, an advanced two-dimensional frequency-polarization modulation for OCDMA has been introduced, for the first time, to elevate the system security as well as the performance. Finally, the application of OCDMA in the passive optical network leading to the OCDMA-PON architecture has been established including the optical line terminal and network units. Since Internet protocol is currently the dominant network protocol, IP-over-OCDMA network node configuration ha.

Understanding Optical Communications

Author : Harry J. R. Dutton
Publisher : Prentice Hall
ISBN 13 : 9780130201416
Total Pages : 760 pages
Book Rating : 4.2/5 (14 download)

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Book Synopsis Understanding Optical Communications by : Harry J. R. Dutton

Download or read book Understanding Optical Communications written by Harry J. R. Dutton and published by Prentice Hall. This book was released on 1998 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: 2014A-8 The complete, up-to-date technical overview of optical communications. Fibre in the WAN, MAN, local loop, campus and LAN. Up-to-the-minute coverage of Wavelength Division Multiplexing. Previews today's advanced research--tomorrow's practical applications. Over the past 15 years, optical fibre's low cost, accuracy and enormous capacity has revolutionized wide area communications--making possible the Internet as we know it. Now a second fibre revolution is underway. Advanced technologies such as Wavelength Division Multiplexing (WDM) are adding even more capacity, and fibre is increasingly the media of choice in MANs, campuses, buildings, LANs--soon, even homes. If you need to understand the state-of-the-art in optical communications, Understanding Optical Communications is the most complete, up-to-date technical overview available. Fundamental principles and components of optical communications. Optical communications systems, interfaces and engineering challenges. FDDI, Ethernet on Fibre, ESCON, Fibre Channel, SONET/SDH and ATM. WDM: sparse and dense approaches, photonic networking, WDM for LANs and WDM standards. Fibre in the local loop, integration with HFC networks and passive optical networks. Understanding Optical Communications reviews key technical issues facing engineers as they extend fibre into new applications and markets. It presents an up-to-the-minute status report on WDM for LANs and MANs, including a rare glimpse at IBM's latest experimental systems. It points to the advanced research most likely to bear fruit: dark and spatial solitons, advanced fibres, plastic technologies, optical CDMA, TDM and packet-networks and more. Whether you're building optical systems or planning for them, this is the briefing you've been looking for.

All-optical Networking

Author : John M. Senior
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis All-optical Networking by : John M. Senior

Download or read book All-optical Networking written by John M. Senior and published by SPIE-International Society for Optical Engineering. This book was released on 1998 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study of all-optical networking consists of 44 papers on topics such as network elements and performance modelling, multiplexing strategies, access networks and local area networks.

Optical Code Division Multiple Access

Author : Ken-ichi Kitayama
Publisher : Cambridge University Press
ISBN 13 : 1107026164
Total Pages : 361 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Optical Code Division Multiple Access by : Ken-ichi Kitayama

Download or read book Optical Code Division Multiple Access written by Ken-ichi Kitayama and published by Cambridge University Press. This book was released on 2014-04-10 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: A self-contained guide to OCDMA for Next-Generation FTTH systems, from the fundamentals to cutting-edge research and practical perspectives.

Advanced Optical Wireless Communication Systems

Author : Shlomi Arnon
Publisher : Cambridge University Press
ISBN 13 : 0521197872
Total Pages : 405 pages
Book Rating : 4.5/5 (211 download)

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Book Synopsis Advanced Optical Wireless Communication Systems by : Shlomi Arnon

Download or read book Advanced Optical Wireless Communication Systems written by Shlomi Arnon and published by Cambridge University Press. This book was released on 2012-05-24 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combines theory with real-world case studies to give a comprehensive overview of modern optical wireless technology.

Free Space Optics

Author : Heinz Willebrand
Publisher : Sams Publishing
ISBN 13 : 9780672322488
Total Pages : 282 pages
Book Rating : 4.3/5 (224 download)

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Book Synopsis Free Space Optics by : Heinz Willebrand

Download or read book Free Space Optics written by Heinz Willebrand and published by Sams Publishing. This book was released on 2002 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation First book on Free Space Optics (FSO) in the marketplace. Comprehensive book that covers fundamentals through benefits and deployment pit falls. First comprehensive book about FSO, written by two experts in the field. Explores FSO as an alternative to cable and fiber as last-mile solutions. Enables readers to maximize the benefits of FSO and anticipate potential deployment pitfalls. Free Space Optics begins with the fundamentals of the technology before launching into FSO topologies, deployment issues, applications, and case studies. Baksheesh Ghuman is Vice President of Marketing at LightPointe Communications, Inc. Ghuman has worked in optical and telecommunications for over 12 years, focusing on marketing, product development, and applications engineering. He holds a Master of Science in Telecommunications Management from Golden State University, San Franscisco. Dr. Heinz Willebrand is Chief Technology Officer of LightPointe Communications where he leads all of LightPointe's R&D activities in the field of free space wireless RF and high-speed optical laser communication systems. Prior to LightPointe, Dr. Willebrand was a research professor at the University of Boulder, Colorado, where he taught classes on fiber optic and wireless technologies and researched areas such as fiber optics and high-speed computer interconnections.

Utilization in Optical Code-division Multiple-access Networks [microform]

Author : Andrew Stok
Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 : 9780612917118
Total Pages : 332 pages
Book Rating : 4.9/5 (171 download)

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Book Synopsis Utilization in Optical Code-division Multiple-access Networks [microform] by : Andrew Stok

Download or read book Utilization in Optical Code-division Multiple-access Networks [microform] written by Andrew Stok and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2004 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the process of studying O-CDMA through the spectral and network utilization, a number of specific original contributions are made: an impairment in O-CDMA networks---the spectral crosstalk---is studied for two different system configurations; a procedure is designed to evaluate the performance of O-CDMA signature sequences in realistic networking environments; and a technique is developed to allocate adaptively signature sequences which leads to an order of magnitude improvement in performance and provides a quality-of-service contract on the bit-error rate. In local-area networks with a high traffic load, an O-CDMA system with static allocation of signature sequences is shown to have a higher network utilization than a competing WDMA scheme. It is demonstrated that by increasing the adaptability of the next generation of O-CDMA systems, the performance may be further improved. This work provides the tools-the analytical frameworks, figures of merit and mechanisms for adaptability-that may be used to design and evaluate these future O-CDMA systems. This work investigates how O-CDMA exploits resources in multiwavelength optical fiber networks. For the first time, it examines this question fundamentally from the perspective of both transmission and network connectivity. Given the processing gain of O-CDMA, the spectral width of the transmitted signal may become appreciable relative to the spacing between adjacent channels. The assumption traditionally made in optical communications that these channels may be treated independently breaks down in this case. In this work, a figure of merit---the spectral utilization---together with an analytical framework are developed to treat the bandwidth of O-CDMA networks as a whole, rather than as a collection of independent segments. The studies of O-CDMA with this spectral utilization metric suggest that the technology cannot compete with wavelength-division multiple-access (WDMA) at the physical layer taken in isolation; however, this is not the sole measure of the value of a network. Factors such as channel or receiver contention and the statistics of the traffic being transported do not manifest themselves in the physical layer yet are important factors in determining the performance of an optical network. A different figure of merit---the network utilization---is therefore used to compare and evaluate various O-CDMA and WDMA systems in a networking context.

Subsystems, Systems and Interfaces for Flexible Bandwith Allocation in Optical CDMA Networks

Author : Varghese Baby
Publisher :
ISBN 13 :
Total Pages : 348 pages
Book Rating : 4.:/5 (63 download)

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Book Synopsis Subsystems, Systems and Interfaces for Flexible Bandwith Allocation in Optical CDMA Networks by : Varghese Baby

Download or read book Subsystems, Systems and Interfaces for Flexible Bandwith Allocation in Optical CDMA Networks written by Varghese Baby and published by . This book was released on 2006 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design and Modelling of Electronic Processing Circuits for Optical Code Division Multiple Access Communication Networks

Author : M. N. Pimenta
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (829 download)

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Book Synopsis Design and Modelling of Electronic Processing Circuits for Optical Code Division Multiple Access Communication Networks by : M. N. Pimenta

Download or read book Design and Modelling of Electronic Processing Circuits for Optical Code Division Multiple Access Communication Networks written by M. N. Pimenta and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Code Division Multiple Access (CDMA) has been proposed for optical fibre networks to a achieve high-speed connectivity, asynchronous operation and network control simplifications. Traditionally, all-optical devices have been proposed to encode, decode and process CDMA signals because the bandwidth in the optical medium is higher than electronic processing techniques. Today's advances in integrated circuit technologies coupled with bandwidth efficient circuit topologies, may provide robust alternatives for CDMA over fibre applications. This thesis overs two areas of work. First, a new circuit for encoding and decoding incoherent CDMA signals in the electrical domain is proposed. This structure makes use of the high bandwidth of distributed amplifier-like topologies to achieve very wideband operation. As proof of concept, a distributed transversal filter was designed with a commercial available GaAs MMIC process; modelling results show feasibility of CDMA encoding/decoding at 40 GChip/s employing transistors with cut-off frequencies of 60 GHz. Limitations and potential practical applications of these design ideas are discussed. The second part of the thesis focuses on the impact of the time skewing due to optical-fibre Group Velocity Difference in Wavelength-Hopping Time-Spreading (WHTS) Optical CDMA and the compensation of this impairment through electronic techniques. A new network model was created to assess the impact of such impairment in these systems. Conclusions about the time skewing impact on the auto and cross-correlation properties of the system are extracted. This model was employed to assess the use of an electronic distributed transversal filters as time skewing compensator in Optical CDMA networks. Finally, an experimental setup of a WHTS Optical CDMA network was built to analyze the effect of time skewing and to assess the practical feasibility of its compensation with a distributed transversal filter. The Fiber Bragg Grating based system comprises 2.5 GBit/s transmission (20 GChip/s) with five wavelengths. Conclusions about the practical limitations are derived and presented.