PAPR Reduction: Techniques, Analysis and Applications PDF Download
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Author: Dr. RAJKUMAR L. BIRADAR
Publisher: Archers & Elevators Publishing House
ISBN: 8119385853
Category : Antiques & Collectibles
Languages : en
Pages : 85
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Book Description
Author: Dr. RAJKUMAR L. BIRADAR
Publisher: Archers & Elevators Publishing House
ISBN: 8119385853
Category : Antiques & Collectibles
Languages : en
Pages : 85
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Book Description
Author: Kuldeep Singh Chauhan
Publisher:
ISBN: 9783659926020
Category :
Languages : en
Pages : 56
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Book Description
Author: Manoj Kumar Shukla
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Orthogonal Frequency Division Multiplexing (OFDM) is one of the most promising technique for the fourth generation (4G) communication. High spectral efficiency, immunity to channel interference and nonlinear distortions are some advantages of OFDM. But frequency offset and high peak-to-average power ratios (PAPR) for large number of subcarriers are two major drawbacks for practical application. This paper presents the PAPR reduction techniques for OFDM system such as interleaving and different phase rotation schemes. Selected mapping (SLM) and partial transmit sequence (PTS) are applied with mentioning distinct conditions for the application of these techniques. This paper also presents helical interleaver in OFDM system, for the reduction of system complexity and significant reduction in memory requirement as well. Evaluation is done on the basis of mathematical analysis and mentions best way to simulate in step-wise manner in MATLAB.
Author: Vuttipol Santitewagul
Publisher:
ISBN: 9781303521362
Category : Orthogonal frequency division multiplexing
Languages : en
Pages : 97
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Book Description
Abstract: Various peak-to-average power ratio (PAPR) reduction techniques are studied and compared in terms of their performances. These techniques include Clipping technique, Selective Mapping technique, Partial Transmit Sequence technique, Dummy Sequence Insertion technique, Precoding-based technique, multi transform technique, and multi transform-DSI technique. Simulation results represent the evaluation performance of various techniques which consists of 16-QAM, 64-QAM, and 256-QAM and with difference number of FFT.
Author: Srujana Kayathi
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Md. Munjure Mowla
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659431555
Category :
Languages : en
Pages : 92
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Book Description
In the last couple of years, wireless communications have experienced a quick growth due to the ubiquitous mobility, super internet speed and huge multimedia services & applications. Orthogonal frequency division multiplexing (OFDM) is an emerging research field of wireless communication and finds its application where high data rate is required at low latency and better spectral efficiency. OFDM signals have a generic problem of high peak to average power ratio (PAPR) which is defined as the ratio of the peak power to the average power of the OFDM signal. The drawback of high PAPR is that the dynamic range of the power amplifier (PA) and digital-to-analog converter (DAC) during the transmission and reception of the signal is higher. The main focus of this research is to design & implement a new PAPR reduction scheme based on amplitude clipping & filtering method which reduces the PAPR significantly. Simulation results show the considerable improvement in case of PAPR reduction compare to an existing method. Besides these, overview, motivation & different types of analysis of PAPR reduction techniques are discussed in this book.
Author: Kamal Singh Rana
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659486586
Category :
Languages : en
Pages : 68
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Book Description
In this book, some of the existing PAPR reduction techniques have been analyzed. After discussing the existing PAPR reduction techniques, two new PAPR reduction techniques have been proposed which are based on the existing schemes. The simulation results for the proposed techniques are compared with some of the existing techniques like, Partial Transmit Sequences (PTS), Selective Mapping (SLM), Iterative flipping and new SLM. Although all the existing techniques can reduce the Peak to Average Power Ratio (PAPR), the computer simulation results show that the Proposed techniques can offer better Peak to Average Power Ratio (PAPR) reduction performance. These proposed techniques have been named as Proposed Technique1 and Proposed Technique2 in this work. The results also show that the Proposed technique2 performs better than Proposed technique1 in terms of PAPR reduction when the numbers of subblocks in the OFDM transmitted signal increases. However, when the number of sub-blocks is comparatively lesser, the proposed technique1 gives better performance. The PAPR reduction performance analysis of the existing and proposed techniques is the main focus of my paper.
Author: Partha Pratim Bhattacharya
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659118227
Category :
Languages : en
Pages : 104
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Book Description
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).
Author: Suseela Vappangi
Publisher: CRC Press
ISBN: 1000416208
Category : Technology & Engineering
Languages : en
Pages : 503
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Book Description
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
Author: Arun Kumar
Publisher: John Wiley & Sons
ISBN: 1119791804
Category : Technology & Engineering
Languages : en
Pages : 276
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Book Description
WEARABLE AND NEURONIC ANTENNAS FOR MEDICAL AND WIRELESS APPLICATIONS This new volume in this exciting new series, written and edited by a group of international experts in the field, covers the latest advances and challenges in wearable and neuronic antennas for medical and wireless applications. Antenna development and engineering is changing at a rapid pace, and it is incredibly important that engineers, scientists, and students in the field have a valuable reference work to consult. Students are able to use this book as a learning tool, and professors and industrial short courses are able to use it as a textbook. Covering all of the advances and developments of wearable and neuronic antennas for medical and wireless applications, this outstanding new volume offers information not available anywhere else in any other format. Covering new research and development of antenna designs never seen before, this volume, written and edited by a team of experts in the field, breaks new ground, offering new solutions to engineering and scientific problems to experts in the field, while providing the full theoretical and conceptual background for the practical applications. Whether for the veteran engineer or scientist, the student, or a manager or other technician working in the field, this volume is a must-have for any library.
