Papr Reduction Of Optical Ofdm Systems With Exponential Companding Transform And Zero Padding

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PAPR Reduction of Optical OFDM Systems with Exponential Companding Transform and Zero Padding

Author : Deyan Chen
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (945 download)

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Book Synopsis PAPR Reduction of Optical OFDM Systems with Exponential Companding Transform and Zero Padding by : Deyan Chen

Download or read book PAPR Reduction of Optical OFDM Systems with Exponential Companding Transform and Zero Padding written by Deyan Chen and published by . This book was released on 2016 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical wireless communication (OWC) is an alternative to radio frequency (RF)communication with a signi cantly larger and unregulated spectrum. In OWC systems, optical orthogonal frequency division multiplexing (O-OFDM) with intensity modulation and direct detection (IM/DD) is commonly used. There are two common signal structures in most OWC systems based on IM/DD OFDM. One is called DC-biased optical OFDM (DCO-OFDM) and the other one is called asymmetrically clipped optical OFDM (ACO-OFDM). One drawback of an OFDM signal is its high peak-to-average power ratio (PAPR), which requires the transmitter to operate in a large dynamic range to retain all desirable information. To reduce the PAPR,companding transform has been investigated. Because of the nonlinear operation of companding, a high electrical signal-to-noise ratio (SNR) is required. In this thesis, a combination of an exponential companding transform and a zero padding scheme is employed on both DCO-OFDM and ACO-OFDM systems to reduce PAPR and the required electrical SNR. Systems that employ quadrature amplitude modulation (QAM) with gray mapping are simulated. Results have shown that the optimized DCO-OFDM and ACO-OFDM reduced the PAPR by about 7dB and 11dB, respectively, through exponential companding. Meanwhile, the required SNR is decreased by approximately 10dB in the optimized DCO-OFDM and by approximately 13dB in the optimized ACO-OFDM by using zero padding.

PAPR Reduction for OFDM in Optical Wireless Communication Systems

Author : Funmilayo Bimpe Ogunkoya
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis PAPR Reduction for OFDM in Optical Wireless Communication Systems by : Funmilayo Bimpe Ogunkoya

Download or read book PAPR Reduction for OFDM in Optical Wireless Communication Systems written by Funmilayo Bimpe Ogunkoya and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

PAPR Reduction in OFDM Systems Using Partial Transmit Sequence

Author : Harish P.
Publisher :
ISBN 13 : 9783659247484
Total Pages : 0 pages
Book Rating : 4.2/5 (474 download)

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Book Synopsis PAPR Reduction in OFDM Systems Using Partial Transmit Sequence by : Harish P.

Download or read book PAPR Reduction in OFDM Systems Using Partial Transmit Sequence written by Harish P. and published by . This book was released on 2012-09-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

OFDM Systems and PAPR Reduction Techniques in OFDM Systems

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (697 download)

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Book Synopsis OFDM Systems and PAPR Reduction Techniques in OFDM Systems by :

Download or read book OFDM Systems and PAPR Reduction Techniques in OFDM Systems written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Communication is one of the important aspects of life. With the advancement in age and its growing demands, there has been rapid growth in the field of communications. Signals, which were initially sent in the analog domain, are being sent more and more in the digital domain these days. For better transmission, even single - carrier waves are being replaced by multi - carriers. Multi - carrier systems like CDMA and OFDM are now - a - days being implemented commonly. In the OFDM system, orthogonally placed sub - carriers are used to carry the data from the transmitter end to the receiver end. Presence of guard band in this system deals with the problem of ISI and noise is minimized by larger number of sub - carriers. But the large Peak - to - Average Power Ratio of these signal have some undesirable effects on the system. In this thesis we have focused on learning the basics of an OFDM System and have undertaken various methods to reduce the PAPR in the system so that this system can be used more commonly and effectively.

Advances in VLSI, Communication, and Signal Processing

Author : Debashis Dutta
Publisher : Springer Nature
ISBN 13 : 9813297751
Total Pages : 1004 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Advances in VLSI, Communication, and Signal Processing by : Debashis Dutta

Download or read book Advances in VLSI, Communication, and Signal Processing written by Debashis Dutta and published by Springer Nature. This book was released on 2019-12-03 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises select proceedings of the International Conference on VLSI, Communication and Signal processing (VCAS 2018). It looks at latest research findings in VLSI design and applications. The book covers a wide range of topics in electronics and communication engineering, especially in the area of microelectronics and VLSI design, communication systems and networks, and image and signal processing. The contents of this book will be useful to researchers and professionals alike.

Multi-Carrier Digital Communications

Author : Ahmad R.S. Bahai
Publisher : Springer Science & Business Media
ISBN 13 : 030646974X
Total Pages : 224 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Multi-Carrier Digital Communications by : Ahmad R.S. Bahai

Download or read book Multi-Carrier Digital Communications written by Ahmad R.S. Bahai and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multi-carrier modulation, in particular orthogonal frequency division multiplexing (OFDM), has been successfully applied to a wide variety of digital communications applications for several years. Although OFDM has been chosen as the physical layer standard for a diversity of important systems, the theory, algorithms, and implementation techniques remain subjects of current interest. This book is intended to be a concise summary of the present state of the art of the theory and practice of OFDM technology. This book offers a unified presentation of OFDM theory and high speed and wireless applications. In particular, ADSL, wireless LAN, and digital broadcasting technologies are explained. It is hoped that this book will prove valuable both to developers of such systems, and to researchers and graduate students involved in analysis of digital communications, and will remain a valuable summary of the technology, providing an understanding of new advances as well as the present core technology.

Futuristic Trends in Network and Communication Technologies

Author : Pradeep Kumar Singh
Publisher : Springer
ISBN 13 : 9789811338038
Total Pages : 512 pages
Book Rating : 4.3/5 (38 download)

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Book Synopsis Futuristic Trends in Network and Communication Technologies by : Pradeep Kumar Singh

Download or read book Futuristic Trends in Network and Communication Technologies written by Pradeep Kumar Singh and published by Springer. This book was released on 2018-12-25 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the First International Conference on Futuristic Trends in Network and Communication Technologies, FTNCT 2018, held in Solan, India, in February 2018. The 37 revised full papers presented were carefully reviewed and selected from 239 submissions. The prime aim of the conference is to invite researchers from different domains of network and communication technologies to a single platform to showcase their research ideas. The selected papers are organized in topical sections on communication technologies, Internet of Things (IoT), network technologies, and wireless networks.

5G Physical Layer

Author : Ali Zaidi
Publisher : Academic Press
ISBN 13 : 012814579X
Total Pages : 324 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis 5G Physical Layer by : Ali Zaidi

Download or read book 5G Physical Layer written by Ali Zaidi and published by Academic Press. This book was released on 2018-09-22 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: 5G Physical Layer: Principles, Models and Technology Components explains fundamental physical layer design principles, models and components for the 5G new radio access technology – 5G New Radio (NR). The physical layer models include radio wave propagation and hardware impairments for the full range of frequencies considered for the 5G NR (up to 100 GHz). The physical layer technologies include flexible multi-carrier waveforms, advanced multi-antenna solutions, and channel coding schemes for a wide range of services, deployments, and frequencies envisioned for 5G and beyond. A MATLAB-based link level simulator is included to explore various design options. 5G Physical Layer is very suitable for wireless system designers and researchers: basic understanding of communication theory and signal processing is assumed, but familiarity with 4G and 5G standards is not required. With this book the reader will learn: The fundamentals of the 5G NR physical layer (waveform, modulation, numerology, channel codes, and multi-antenna schemes). Why certain PHY technologies have been adopted for the 5G NR. The fundamental physical limitations imposed by radio wave propagation and hardware impairments. How the fundamental 5G NR physical layer functionalities (e.g., parameters/methods/schemes) should be realized. The content includes: A global view of 5G development – concept, standardization, spectrum allocation, use cases and requirements, trials, and future commercial deployments. The fundamentals behind the 5G NR physical layer specification in 3GPP. Radio wave propagation and channel modeling for 5G and beyond. Modeling of hardware impairments for future base stations and devices. Flexible multi-carrier waveforms, multi-antenna solutions, and channel coding schemes for 5G and beyond. A simulator including hardware impairments, radio propagation, and various waveforms. Ali Zaidi is a strategic product manager at Ericsson, Sweden. Fredrik Athley is a senior researcher at Ericsson, Sweden. Jonas Medbo and Ulf Gustavsson are senior specialists at Ericsson, Sweden. Xiaoming Chen is a professor at Xi’an Jiaotong University, China. Giuseppe Durisi is a professor at Chalmers University of Technology, Sweden, and a guest researcher at Ericsson, Sweden.

Digital Design of Signal Processing Systems

Author : Shoab Ahmed Khan
Publisher : John Wiley & Sons
ISBN 13 : 0470975253
Total Pages : 554 pages
Book Rating : 4.4/5 (79 download)

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Book Synopsis Digital Design of Signal Processing Systems by : Shoab Ahmed Khan

Download or read book Digital Design of Signal Processing Systems written by Shoab Ahmed Khan and published by John Wiley & Sons. This book was released on 2011-02-02 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital Design of Signal Processing Systems discusses a spectrum of architectures and methods for effective implementation of algorithms in hardware (HW). Encompassing all facets of the subject this book includes conversion of algorithms from floating-point to fixed-point format, parallel architectures for basic computational blocks, Verilog Hardware Description Language (HDL), SystemVerilog and coding guidelines for synthesis. The book also covers system level design of Multi Processor System on Chip (MPSoC); a consideration of different design methodologies including Network on Chip (NoC) and Kahn Process Network (KPN) based connectivity among processing elements. A special emphasis is placed on implementing streaming applications like a digital communication system in HW. Several novel architectures for implementing commonly used algorithms in signal processing are also revealed. With a comprehensive coverage of topics the book provides an appropriate mix of examples to illustrate the design methodology. Key Features: A practical guide to designing efficient digital systems, covering the complete spectrum of digital design from a digital signal processing perspective Provides a full account of HW building blocks and their architectures, while also elaborating effective use of embedded computational resources such as multipliers, adders and memories in FPGAs Covers a system level architecture using NoC and KPN for streaming applications, giving examples of structuring MATLAB code and its easy mapping in HW for these applications Explains state machine based and Micro-Program architectures with comprehensive case studies for mapping complex applications The techniques and examples discussed in this book are used in the award winning products from the Center for Advanced Research in Engineering (CARE). Software Defined Radio, 10 Gigabit VoIP monitoring system and Digital Surveillance equipment has respectively won APICTA (Asia Pacific Information and Communication Alliance) awards in 2010 for their unique and effective designs.

Advanced Informatics for Computing Research

Author : Ashish Kumar Luhach
Publisher : Springer
ISBN 13 : 981133143X
Total Pages : 619 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Advanced Informatics for Computing Research by : Ashish Kumar Luhach

Download or read book Advanced Informatics for Computing Research written by Ashish Kumar Luhach and published by Springer. This book was released on 2018-11-28 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume set (CCIS 955 and CCIS 956) constitutes the refereed proceedings of the Second International Conference on Advanced Informatics for Computing Research, ICAICR 2018, held in Shimla, India, in July 2018. The 122 revised full papers presented were carefully reviewed and selected from 427 submissions. The papers are organized in topical sections on computing methodologies; hardware; information systems; networks; security and privacy; computing methodologies.

Intelligent Communication Technologies and Virtual Mobile Networks

Author : S. Balaji
Publisher : Springer
ISBN 13 : 303028364X
Total Pages : 669 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis Intelligent Communication Technologies and Virtual Mobile Networks by : S. Balaji

Download or read book Intelligent Communication Technologies and Virtual Mobile Networks written by S. Balaji and published by Springer. This book was released on 2019-08-12 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the outcomes of the Intelligent Communication Technologies and Virtual Mobile Networks Conference (ICICV 2019) held in Tirunelveli, India, on February 14–15, 2019. It presents the state of the art in the field, identifying emerging research topics and communication technologies and defining the future of intelligent communication approaches and virtual computing. In light of the tremendous growth ICT, it examines the rapid developments in virtual reality in communication technology and high-quality services in mobile networks, including the integration of virtual mobile computing and communication technologies, which permits new technologies based on the resources and services of computational intelligence, big data analytics, Internet of Things (IoT), 5G technology, automation systems, sensor networks, augmented reality, data mining, and vehicular ad hoc networks with massive cloud-based backend. These services have a significant impact on all areas of daily life, like transportation, e-commerce, health care, secure communication, location detection, smart home, smart city, social networks and many more.

MIMO-OFDM Wireless Communications with MATLAB

Author : Yong Soo Cho
Publisher : John Wiley & Sons
ISBN 13 : 0470825626
Total Pages : 458 pages
Book Rating : 4.4/5 (78 download)

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Book Synopsis MIMO-OFDM Wireless Communications with MATLAB by : Yong Soo Cho

Download or read book MIMO-OFDM Wireless Communications with MATLAB written by Yong Soo Cho and published by John Wiley & Sons. This book was released on 2010-08-20 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: MIMO-OFDM is a key technology for next-generation cellular communications (3GPP-LTE, Mobile WiMAX, IMT-Advanced) as well as wireless LAN (IEEE 802.11a, IEEE 802.11n), wireless PAN (MB-OFDM), and broadcasting (DAB, DVB, DMB). In MIMO-OFDM Wireless Communications with MATLAB®, the authors provide a comprehensive introduction to the theory and practice of wireless channel modeling, OFDM, and MIMO, using MATLAB® programs to simulate the various techniques on MIMO-OFDM systems. One of the only books in the area dedicated to explaining simulation aspects Covers implementation to help cement the key concepts Uses materials that have been classroom-tested in numerous universities Provides the analytic solutions and practical examples with downloadable MATLAB® codes Simulation examples based on actual industry and research projects Presentation slides with key equations and figures for instructor use MIMO-OFDM Wireless Communications with MATLAB® is a key text for graduate students in wireless communications. Professionals and technicians in wireless communication fields, graduate students in signal processing, as well as senior undergraduates majoring in wireless communications will find this book a practical introduction to the MIMO-OFDM techniques. Instructor materials and MATLAB® code examples available for download at www.wiley.com/go/chomimo

Proceedings of International Conference on Recent Trends in Machine Learning, IoT, Smart Cities and Applications

Author : Vinit Kumar Gunjan
Publisher : Springer Nature
ISBN 13 : 9811572348
Total Pages : 998 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Proceedings of International Conference on Recent Trends in Machine Learning, IoT, Smart Cities and Applications by : Vinit Kumar Gunjan

Download or read book Proceedings of International Conference on Recent Trends in Machine Learning, IoT, Smart Cities and Applications written by Vinit Kumar Gunjan and published by Springer Nature. This book was released on 2020-10-17 with total page 998 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers selected research papers presented at the International Conference on Recent Trends in Machine Learning, IOT, Smart Cities & Applications (ICMISC 2020), held on 29–30 March 2020 at CMR Institute of Technology, Hyderabad, Telangana, India. Discussing current trends in machine learning, Internet of things, and smart cities applications, with a focus on multi-disciplinary research in the area of artificial intelligence and cyber-physical systems, this book is a valuable resource for scientists, research scholars and PG students wanting formulate their research ideas and find the future directions in these areas. Further, it serves as a reference work anyone wishing to understand the latest technologies used by practicing engineers around the globe.

Wireless Communication Networks and Systems, Global Edition

Author : Cory Beard
Publisher : Pearson Higher Ed
ISBN 13 : 129210872X
Total Pages : 608 pages
Book Rating : 4.2/5 (921 download)

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Book Synopsis Wireless Communication Networks and Systems, Global Edition by : Cory Beard

Download or read book Wireless Communication Networks and Systems, Global Edition written by Cory Beard and published by Pearson Higher Ed. This book was released on 2016-01-05 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: For courses in wireless communication networks and systems A Comprehensive Overview of Wireless Communications Wireless Communication Networks and Systems covers all types of wireless communications, from satellite and cellular to local and personal area networks. Organised into four easily comprehensible, reader-friendly parts, it presents a clear and comprehensive overview of the field of wireless communications. For those who are new to the topic, the book explains basic principles and fundamental topics concerning the technology and architecture of the field. Numerous figures and tables help clarify discussions, and each chapter includes a list of keywords, review questions, homework problems, and suggestions for further reading. The book includes an extensive online glossary, a list of frequently used acronyms, and a reference list. A diverse set of projects and other student exercises enables instructors to use the book as a component in a varied learning experience, tailoring courses to meet their specific needs. The full text downloaded to your computer With eBooks you can: search for key concepts, words and phrases make highlights and notes as you study share your notes with friends eBooks are downloaded to your computer and accessible either offline through the Bookshelf (available as a free download), available online and also via the iPad and Android apps. Upon purchase, you'll gain instant access to this eBook. Time limit The eBooks products do not have an expiry date. You will continue to access your digital ebook products whilst you have your Bookshelf installed.

5G NR

Author : Sassan Ahmadi
Publisher : Academic Press
ISBN 13 : 012813402X
Total Pages : 960 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis 5G NR by : Sassan Ahmadi

Download or read book 5G NR written by Sassan Ahmadi and published by Academic Press. This book was released on 2019-06-15 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt: 5G NR: Architecture, Technology, Implementation, and Operation of 3GPP New Radio Standards is an in-depth, systematic, technical reference on 3GPP's New Radio standards (Release 15 and beyond), covering the underlying theory, functional descriptions, practical considerations and implementation of the 5G new radio access technology. The book describes the design and operation of individual components and shows how they are integrated into the overall system and operate from a systems perspective. Uniquely, this book gives detailed information on RAN protocol layers, transport, network architecture and services, as well as practical implementation and deployment issues, making it suitable for researchers and engineers who are designing and developing 5G systems. Reflecting on the author's 30 plus years of experience in signal processing, microelectronics and wireless communication system design, this book is ideal for professional engineers, researchers and graduate students working and researching in cellular communication systems and protocols as well as mobile broadband wireless standards. Strong focus on practical considerations, implementation and deployment issues Takes a top-down approach to explain system operation and functional interconnection Covers all functional components, features, and interfaces based on clear protocol structure and block diagrams Describes RF and transceiver design considerations in sub-6 GHz and mmWave bands Covers network slicing, SDN/NFV/MEC networks and cloud and virtualized RAN architectures Comprehensive coverage of NR multi-antenna techniques and beamformed operation A consistent and integrated coverage reflecting the author’s decades of experience in developing 3G, 4G and 5G technologies and writing two successful books in these areas

Proceedings of International Conference on Wireless Communication

Author : Hari Vasudevan
Publisher : Springer Nature
ISBN 13 : 9811510024
Total Pages : 585 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Proceedings of International Conference on Wireless Communication by : Hari Vasudevan

Download or read book Proceedings of International Conference on Wireless Communication written by Hari Vasudevan and published by Springer Nature. This book was released on 2019-11-16 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book comprises selected papers presented at the International Conference on Wireless Communication (ICWiCOM), which is organized by D. J. Sanghvi College of Engineering’s Department of Electronics and Telecommunication Engineering. The book focuses on specific topics of wireless communication, like signal and image processing applicable to wireless domains, networking, microwave and antenna design, and telemedicine systems. Covering three main areas – networking, antenna designs and embedded systems applicable to communication – it is a valuable resource for postgraduate and doctoral students.

Index Modulation for 5G Wireless Communications

Author : Miaowen Wen
Publisher : Springer
ISBN 13 : 3319513559
Total Pages : 163 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Index Modulation for 5G Wireless Communications by : Miaowen Wen

Download or read book Index Modulation for 5G Wireless Communications written by Miaowen Wen and published by Springer. This book was released on 2016-12-23 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a thorough examination of index modulation, an emerging 5G modulation technique. It includes representative transmitter and receiver design, optimization, and performance analysis of index modulation in various domains. First, the basic spatial modulation system for the spatial domain is introduced. Then, the development of a generalized pre-coding aided quadrature spatial modulation system as well as a virtual spatial modulation system are presented. For the space-time domain, a range of differential spatial modulation systems are examined, along with the pre-coding design. Both basic and enhanced index modulated OFDM systems for the frequency domain are discussed, focusing on the verification of their strong capabilities in inter-carrier interference mitigation. Finally, key open problems are highlighted and future research directions are considered. Designed for researchers and professionals, this book is essential for anyone working in communications networking, 5G, and system design. Advanced-level students of engineering and computer science interested in efficiency techniques will also find the content valuable.