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Hybrid Papr Reduction Using Hartley Transform Pre Coding With Clipping And Filtering Technique In Ofdm Noma System
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Book Synopsis Hybrid PAPR Reduction Using Hartley Transform Pre-Coding With Clipping and Filtering Technique in OFDM-NOMA System by : Kalpak Chandekar
Download or read book Hybrid PAPR Reduction Using Hartley Transform Pre-Coding With Clipping and Filtering Technique in OFDM-NOMA System written by Kalpak Chandekar and published by . This book was released on 2020 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non orthogonal multiple access (NOMA) is one of the fundamental aspects of consideration for the upcoming fifth generation of cellular technology. The working principle of NOMA is based on sharing of the resource block with multiple users so as to have a better spectrum utility. This is different from the previous versions of multiple access techniques used where one resource block was allotted to only one user. Several studies have been made to combine NOMA with OFDM system so that the technical maturity of OFDM system can be used to improve the system performance, called as OFDM-NOMA systems. However, this also introduces a high Peak to Average Power Ratio (PAPR) in the system. This needs to be tackled as a high PAPR decreases the power efficiency of the system. This paper takes in consideration the reduction of PAPR by using a hybrid PAPR reduction using Hartley Transform pre-coding and Clipping and Filtering technique.
Book Synopsis PAPR Reduction in OFDM Systems Using Coded Standard Arrays by : Dijin Chen
Download or read book PAPR Reduction in OFDM Systems Using Coded Standard Arrays written by Dijin Chen and published by . This book was released on 2004 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis PAPR Reduction in OFDM Using SLM and Clipping Methods by : Prashant Jadhav
Download or read book PAPR Reduction in OFDM Using SLM and Clipping Methods written by Prashant Jadhav and published by . This book was released on 2016-09-30 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Application of Multirate Filter by : Partha Pratim Bhattacharya
Download or read book Design and Application of Multirate Filter written by Partha Pratim Bhattacharya and published by LAP Lambert Academic Publishing. This book was released on 2012-05 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multirate techniques are commonly used in audio and video processing, communications systems, and transform analysis. In most applications multirate systems are used to improve the performance, or for increased computational efficiency. OFDM is a very attractive technique for wireless communication due to its spectrum efficiency and channel robustness. The major drawbacks of OFDM system are high peak-to-average power ratio (PAPR) and inter-carrier interference (ICI). In this book, several important aspects are described as well as a mathematical analysis is provided, including the distribution of the PAPR used in OFDM system. Here, different PAPR reduction techniques like clipping, selected mapping (SLM) and Partial transmit sequence (PTS) are used to reduce PAPR. The performances of PAPR reduction techniques are then compared. Secondly, the performance of OFDM systems in presence of frequency offset between the transmitter and the receiver has been studied in terms of the carrier-to-interference ratio (CIR).
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.
Book Synopsis PAPR Reduction Techniques For OFDM Systems by : Jeevitha Joseph
Download or read book PAPR Reduction Techniques For OFDM Systems written by Jeevitha Joseph and published by . This book was released on 2017-07-07 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of PAPR Reduction Techniques in OFDM Systems by : Kuldeep Singh Chauhan
Download or read book Analysis of PAPR Reduction Techniques in OFDM Systems written by Kuldeep Singh Chauhan and published by . This book was released on 2016-08-20 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tone Injection with Aggressive Clipping Projection for Wireless OFDM PAPR Reduction by : Cagdas Tuna
Download or read book Tone Injection with Aggressive Clipping Projection for Wireless OFDM PAPR Reduction written by Cagdas Tuna and published by . This book was released on 2009 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forårsudstilling af yngre dansk Kunst. Viborg by :
Download or read book Forårsudstilling af yngre dansk Kunst. Viborg written by and published by . This book was released on 1944 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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
Book Synopsis Key 5G/5G-Advanced Physical Layer Technologies by : Douglas H. Morais
Download or read book Key 5G/5G-Advanced Physical Layer Technologies written by Douglas H. Morais and published by Springer Nature. This book was released on with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Futuristic Communication and Network Technologies by : A. Sivasubramanian
Download or read book Futuristic Communication and Network Technologies written by A. Sivasubramanian and published by Springer Nature. This book was released on 2021-10-11 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents select proceedings of the International Conference on Futuristic Communication and Network Technologies (CFCNT 2020) conducted at Vellore Institute of Technology, Chennai. It covers various domains in communication engineering and networking technologies. This volume comprises of recent research in areas like optical communication, optical networks, optics and optical computing, emerging trends in photonics, MEMS and sensors, active and passive RF components and devices, antenna systems and applications, RF devices and antennas for microwave emerging technologies, wireless communication for future networks, signal and image processing, machine learning/AI for networks, internet of intelligent things, network security and blockchain technologies. This book will be useful for researchers, professionals, and engineers working in the core areas of electronics and communication.
Book Synopsis OFDM for Optical Communications by : William Shieh
Download or read book OFDM for Optical Communications written by William Shieh and published by Academic Press. This book was released on 2009-09-18 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book on optical OFDM by the leading pioneers in the field The only book to cover error correction codes for optical OFDM Gives applications of OFDM to free-space communications, optical access networks, and metro and log haul transports show optical OFDM can be implemented Contains introductions to signal processing for optical engineers and optical communication fundamentals for wireless engineers This book gives a coherent and comprehensive introduction to the fundamentals of OFDM signal processing, with a distinctive focus on its broad range of applications. It evaluates the architecture, design and performance of a number of OFDM variations, discusses coded OFDM, and gives a detailed study of error correction codes for access networks, 100 Gb/s Ethernet and future optical networks. The emerging applications of optical OFDM, including single-mode fiber transmission, multimode fiber transmission, free space optical systems, and optical access networks are examined, with particular attention paid to passive optical networks, radio-over-fiber, WiMAX and UWB communications. Written by two of the leading contributors to the field, this book will be a unique reference for optical communications engineers and scientists. Students, technical managers and telecom executives seeking to understand this new technology for future-generation optical networks will find the book invaluable. William Shieh is an associate professor and reader in the electrical and electronic engineering department, The University of Melbourne, Australia. He received his M.S. degree in electrical engineering and Ph.D. degree in physics both from University of Southern California. Ivan Djordjevic is an Assistant Professor of Electrical and Computer Engineering at the University of Arizona, Tucson, where he directs the Optical Communications Systems Laboratory (OCSL). His current research interests include optical networks, error control coding, constrained coding, coded modulation, turbo equalization, OFDM applications, and quantum error correction. "This wonderful book is the first one to address the rapidly emerging optical OFDM field. Written by two leading researchers in the field, the book is structured to comprehensively cover any optical OFDM aspect one could possibly think of, from the most fundamental to the most specialized. The book adopts a coherent line of presentation, while striking a thoughtful balance between the various topics, gradually developing the optical-physics and communication-theoretic concepts required for deep comprehension of the topic, eventually treating the multiple optical OFDM methods, variations and applications. In my view this book will remain relevant for many years to come, and will be increasingly accessed by graduate students, accomplished researchers as well as telecommunication engineers and managers keen to attain a perspective on the emerging role of OFDM in the evolution of photonic networks." -- Prof. Moshe Nazarathy, EE Dept., Technion, Israel Institute of Technology The first book on optical OFDM by the leading pioneers in the field The only book to cover error correction codes for optical OFDM Applications of OFDM to free-space communications, optical access networks, and metro and log haul transports show optical OFDM can be implemented An introduction to signal processing for optical communications An introduction to optical communication fundamentals for the wireless engineer
Book Synopsis Visible Light Communications by : Zhaocheng Wang
Download or read book Visible Light Communications written by Zhaocheng Wang and published by John Wiley & Sons. This book was released on 2017-11-29 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete and comprehensive reference on modulation and signal processing for visible light communication This informative new book on state-of-the-art visible light communication (VLC) provides, for the first time, a systematical and advanced treatment of modulation and signal processing for VLC. Visible Light Communications: Modulation and Signal Processing offers a practical guide to designing VLC, linking academic research with commercial applications. In recent years, VLC has attracted attention from academia and industry since it has many advantages over the traditional radio frequency, including wide unregulated bandwidth, high security, and low cost. It is a promising complementary technique in 5G and beyond wireless communications, especially in indoor applications. However, lighting constraints have not been fully considered in the open literature when considering VLC system design, and its importance has been underestimated. That’s why this book—written by a team of experts with both academic research experience and industrial development experience in the field—is so welcome. To help readers understand the theory and design of VLC systems, the book: Details many modern techniques on both modulation and signal processing aspects Links academic research with commercial applications in visible light communications as well as other wireless communication systems Combines theoretical rigor with practical examples in presenting optical camera communication systems Visible Light Communications: Modulation and Signal Processing serves as a useful tool and reference book for visible light communication professionals, as well as wireless communication system professionals and project managers. It is also an important guide for undergraduates and graduates who want to conduct research in areas of wireless communications.
Book Synopsis Visible Light Communication by : Suseela Vappangi
Download or read book Visible Light Communication written by Suseela Vappangi and published by CRC Press. This book was released on 2021-08-11 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of visible light communication (VLC) has diverse applications to the end user including streaming audio, video, high-speed data browsing, voice over internet and online gaming. This comprehensive textbook discusses fundamental aspects, research activities and modulation techniques in the field of VLC. Visible Light Communication: A Comprehensive Theory and Applications with MATLAB® discusses topics including line of sight (LOS) propagation model, non-line of sight (NLOS) propagation model, carrier less amplitude and phase modulation, multiple-input-multiple-output (MIMO), non-linearities of optical sources, orthogonal frequency-division multiple access, non-orthogonal multiple access and single-carrier frequency-division multiple access in depth. Primarily written for senior undergraduate and graduate students in the field of electronics and communication engineering for courses on optical wireless communication and VLC, this book: Provides up-to-date literature in the field of VLC Presents MATLAB codes and simulations to help readers understand simulations Discusses applications of VLC in enabling vehicle to vehicle (V2V) communication Covers topics including radio frequency (RF) based wireless communications and VLC Presents modulation formats along with the derivations of probability of error expressions pertaining to different variants of optical OFDM
Book Synopsis Wireless Infrared Communications by : John R. Barry
Download or read book Wireless Infrared Communications written by John R. Barry and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for wireless access to network services is growing in virtually all communications and computing applications. Once accustomed to unteathered opera tion, users resent being tied to a desk or a fixed location, but will endure it when there is some substantial benefit, such as higher resolution or bandwidth. Recent technolog ical advances, however, such as the scaling of VLSI, the development of low-power circuit design techniques and architectures, increasing battery energy capacity, and advanced displays, are rapidly improving the capabilities of wireless devices. Many of the technological advances contributing to this revolution pertain to the wireless medium itself. There are two viable media: radio and optical. In radio, spread-spectrum techniques allow different users and services to coexist in the same bandwidth, and new microwave frequencies with plentiful bandwidth become viable as the speed of the supporting low-cost electronics increases. Radio has the advantage of being available ubiquitously indoors and outdoors, with the possibility of a seam less system infrastructure that allows users to move between the two. There are unan swered (but likely to be benign) biological effects of microwave radiation at higher power densities. Optical communications is enhanced by advances in photonic devices, such as semiconductor lasers and detectors. Optical is primarily an indoor technology - where it need not compete with sunlight - and offers advantages such as the immediate availability of a broad bandwidth without the need for regulatory approval.
Book Synopsis Wireless Optical Communication Systems by : Steve Hranilovic
Download or read book Wireless Optical Communication Systems written by Steve Hranilovic and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume addresses the problem of designing efficient signalling and provides a link between the areas of communication theory and modem design for amplitude constrained linear optical intensity channel. It provides practical guidelines for the design of signalling sets for wireless optical intensity channels.
