Synchronization Algorithms For Ofdm Systems Ieee80211a Dvb T
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Author |
: Charbel el Hajjar |
Publisher |
: |
Total Pages |
: 166 |
Release |
: 2008 |
ISBN-10 |
: 381677590X |
ISBN-13 |
: 9783816775904 |
Rating |
: 4/5 (0X Downloads) |
Synopsis Synchronization Algorithms for OFDM Systems (IEEE802.11a, DVB-T) by : Charbel el Hajjar
Orthogonal Frequency Division Multiplexing (OFDM) or Multi-carrier Modulation (MCM) is a digital modulation technique that supports high-rate data with sufficient robustness to radio channel impairments (especially multi-path propagation). Due to that, it is emerging as the modulation technique used for the new generation of wireless communication systems (IEEE802.11a and DVB-T). However, one of the arguments against OFDM is that it is highly sensitive to synchronization errors. This raises up the need for optimum synchronization algorithms for OFDM applications such as IEEE802.11a and DVB-T. In this thesis, several synchronization algorithms are presented. Those algorithms deal mainly with two important synchronization problems: Timing and frequency errors and their consequences. We focus on the implementation aspects of synchronization algorithms and propose optimizations which lead to well performing and robust fixed point implementations. In addition, complexity and cost needed for such a project are analyzed leading to a model for classifying different algorithms depending on cost, time-to-market, and performance.
Author |
: Sheng Zhou |
Publisher |
: John Wiley & Sons |
Total Pages |
: 498 |
Release |
: 2014-03-21 |
ISBN-10 |
: 9781118693810 |
ISBN-13 |
: 1118693817 |
Rating |
: 4/5 (10 Downloads) |
Synopsis OFDM for Underwater Acoustic Communications by : Sheng Zhou
A blend of introductory material and advanced signal processing and communication techniques, of critical importance to underwater system and network development This book, which is the first to describe the processing techniques central to underwater OFDM, is arranged into four distinct sections: First, it describes the characteristics of underwater acoustic channels, and stresses the difference from wireless radio channels. Then it goes over the basics of OFDM and channel coding. The second part starts with an overview of the OFDM receiver, and develops various modules for the receiver design in systems with single or multiple transmitters. This is the main body of the book. Extensive experimental data sets are used to verify the receiver performance. In the third part, the authors discuss applications of the OFDM receiver in i) deep water channels, which may contain very long separated multipath clusters, ii) interference-rich environments, where an unintentional interference such as Sonar will be present, and iii) a network with multiple users where both non-cooperative and cooperative underwater communications are developed. Lastly, it describes the development of a positioning system with OFDM waveforms, and the progress on the OFDM modem development. Closely related industries include the development and manufacturing of autonomous underwater vehicles (AUVs) and scientific sensory equipment. AUVs and sensors in the future could integrate modems, based on the OFDM technology described in this book. Contents includes: Underwater acoustic channel characteristics/OFDM basics/Peak-to-average-ratio control/Detection and Doppler estimation (Doppler scale and CFO)/Channel estimation and noise estimation/A block-by-block progressive receiver and performance results/Extensions to multi-input multi-output OFDM/Receiver designs for multiple users/Cooperative underwater OFDM (Physical layer network coding and dynamic coded cooperation)/Localization with OFDM waveforms/Modem developments A valuable resource for Graduate and postgraduate students on electrical engineering or physics courses; electrical engineers, underwater acousticians, communications engineers
Author |
: Haesik Kim |
Publisher |
: John Wiley & Sons |
Total Pages |
: 434 |
Release |
: 2015-10-12 |
ISBN-10 |
: 9781118610152 |
ISBN-13 |
: 1118610156 |
Rating |
: 4/5 (52 Downloads) |
Synopsis Wireless Communications Systems Design by : Haesik Kim
em style="mso-bidi-font-style: normal;"Wireless Communications Systems Design provides the basic knowledge and methodology for wireless communications design. The book mainly focuses on a broadband wireless communication system based on OFDM/OFDMA system because it is widely used in the modern wireless communication system. It is divided into three parts: wireless communication theory (part I), wireless communication block design (part II), and wireless communication block integration (part III). Written by an expert with various experience in system design (standards, research and development)
Author |
: |
Publisher |
: Allied Publishers |
Total Pages |
: 720 |
Release |
: 2005 |
ISBN-10 |
: 8177647350 |
ISBN-13 |
: 9788177647358 |
Rating |
: 4/5 (50 Downloads) |
Synopsis Proceedings of the Eleventh National Conference on Communications by :
Author |
: Kosai Raoof |
Publisher |
: ScientificResearchPublishing |
Total Pages |
: 252 |
Release |
: 2009 |
ISBN-10 |
: 9781935068020 |
ISBN-13 |
: 1935068024 |
Rating |
: 4/5 (20 Downloads) |
Synopsis Advanced Mimo Systems by : Kosai Raoof
Author |
: Vinu V Das |
Publisher |
: Springer |
Total Pages |
: 533 |
Release |
: 2011-04-11 |
ISBN-10 |
: 9783642205736 |
ISBN-13 |
: 3642205739 |
Rating |
: 4/5 (36 Downloads) |
Synopsis Information Technology and Mobile Communication by : Vinu V Das
This book constitutes the refereed proceedings of the International Conference on Advances in Information Technology and Mobile Communication, AIM 2011, held at Nagpur, India, in April 2011. The 31 revised full papers presented together with 27 short papers and 34 poster papers were carefully reviewed and selected from 313 submissions. The papers cover all current issues in theory, practices, and applications of Information Technology, Computer and Mobile Communication Technology and related topics.
Author |
: Die deutsche Nationalbibliothek |
Publisher |
: |
Total Pages |
: 830 |
Release |
: 2008 |
ISBN-10 |
: 16136438 |
ISBN-13 |
: |
Rating |
: 4/5 (38 Downloads) |
Synopsis Deutsche Nationalbibliografie by : Die deutsche Nationalbibliothek
Author |
: Tim Schenk |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 323 |
Release |
: 2008-01-29 |
ISBN-10 |
: 9781402069031 |
ISBN-13 |
: 1402069030 |
Rating |
: 4/5 (31 Downloads) |
Synopsis RF Imperfections in High-rate Wireless Systems by : Tim Schenk
This is one of the first books on the emerging research topic of digital compensation of RF imperfections. The book presents a new multidisciplinary vision on the design of wireless communication systems. In this approach the imperfections of the RF front-ends are accepted and digital signal processing algorithms are designed to suppress their impact on system performance. The book focuses on multiple-antenna orthogonal frequency division multiplexing (MIMO OFDM).
Author |
: Maria-Gabriella Di Benedetto |
Publisher |
: Springer |
Total Pages |
: 423 |
Release |
: 2014-11-01 |
ISBN-10 |
: 9783319017181 |
ISBN-13 |
: 3319017187 |
Rating |
: 4/5 (81 Downloads) |
Synopsis Cognitive Radio and Networking for Heterogeneous Wireless Networks by : Maria-Gabriella Di Benedetto
This book, written by leading experts from academia and industry, offers a condensed overview on hot topics among the Cognitive Radios and Networks scientific and industrial communities (including those considered within the framework of the European COST Action IC0902) and presents exciting visions for the future. Examples of the subjects considered include the design of new filter bank-based air interfaces for spectrum sharing, medium access control design protocols, the design of cloud-based radio access networks, an evolutionary vision for the development and deployment of cognitive TCP/IP, and regulations relevant to the development of a spectrum sharing market. The concluding chapter comprises a practical, hands-on tutorial for those interested in developing their own research test beds. By focusing on the most recent advances and future avenues, this book will assist researchers in understanding the current issues and solutions in Cognitive Radios and Networks designs.
Author |
: K. Fazel |
Publisher |
: John Wiley & Sons |
Total Pages |
: 298 |
Release |
: 2004-02-06 |
ISBN-10 |
: 9780470871379 |
ISBN-13 |
: 0470871377 |
Rating |
: 4/5 (79 Downloads) |
Synopsis Multi-Carrier and Spread Spectrum Systems by : K. Fazel
Frequency spectrum is a limited and valuable resource for wireless communications. A good example can be observed among network operators in Europe for the prices to pay for UMTS-frequency bands. Therefore, the first goal when designing future wireless communication systems (e.g. 4G - fourth generation) has to be the increase in spectral efficiency. The development in digital communications in the past years has enabled efficient modulation and coding techniques for robust and spectral efficient data, speech, audio and video transmission. These are the multi-carrier modulation (e.g. OFDM) and the spread spectrum technique (e.g. DS-CDMA), where OFDM was chosen for broadcast applications (DVB, DAB) as well as for broadband wireless indoor standards (ETSI HIPERLAN-II, IEEE-802.11) and the DS-CDMA was selected in mobile communications (IS-95, third generation mobile radio systems world wide, UMTS/IMT 2000). Since 1993 various combinations of multi-carrier (MC) modulation and the spread spectrum (SS) technique have been introduced and the field of MC-SS communications has become an independent and important research topic with increasing activities. New application fields have been proposed such as high rate cellular mobile, high rate wireless indoor and LMDS. It has been shown that MC-SS offers the high spectral efficiency, robustness and flexibility that is required for the next generation systems. Meanwhile, different alternative hybrid schemes such as OFDM/OFDMA, MC-TDMA, etc. have been deeply analysed and adopted in different international standards (ETSI-BRAN, IEEE-802 & MMAC). Multi-Carrier & Spread-Spectrum: Analysis of Hybrid Air Interfaces draws together all of the above mentioned hybrid schemes therefore providing a greatly needed resource for system engineers, telecommunication designers and researchers in order to enable them to develop, build and deploy several schemes based on MC-transmission for the next generation systems (which will be an integration of broadband multimedia services covering both 4G mobile and fixed wireless systems). * Offers a complete treatment of multi-carrier, spread-spectrum (SS) and time division multiplexing (TDM) techniques * Provides an in-depth insight into hybrid multiple access techniques based on multi-carrier (MC) transmission * Presents numerous hybrid multiple access and air interface architectures including OFDM/CDMA, MC-CDMA, MC-DS-CDMA and MT-CDMA * Covers new techniques such as space-time coding and software radio Telecommunications engineers, hardware & software system designers and researchers as well as students, lecturers and technicians will all find this an invaluable addition to their bookshelf.