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Author: 盧志明 Publisher: Open Dissertation Press ISBN: 9781374783676 Category : Languages : en Pages :
Book Description
This dissertation, "Analytical Evaluation of Wireless Digital Communication Performance Over Fading Channels" by 盧志明, Chi-ming, Lo, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3124208 Subjects: Mobile communication systems Digital communications Radio - Transmitters and transmission - Fading
Author: 盧志明 Publisher: Open Dissertation Press ISBN: 9781374783676 Category : Languages : en Pages :
Book Description
This dissertation, "Analytical Evaluation of Wireless Digital Communication Performance Over Fading Channels" by 盧志明, Chi-ming, Lo, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3124208 Subjects: Mobile communication systems Digital communications Radio - Transmitters and transmission - Fading
Author: Marvin K. Simon Publisher: John Wiley & Sons ISBN: 0471649538 Category : Science Languages : en Pages : 948
Book Description
The four short years since Digital Communication over Fading Channels became an instant classic have seen a virtual explosion of significant new work on the subject, both by the authors and by numerous researchers around the world. Foremost among these is a great deal of progress in the area of transmit diversity and space-time coding and the associated multiple input-multiple output (MIMO) channel. This new edition gathers these and other results, previously scattered throughout numerous publications, into a single convenient and informative volume. Like its predecessor, this Second Edition discusses in detail coherent and noncoherent communication systems as well as a large variety of fading channel models typical of communication links found in the real world. Coverage includes single- and multichannel reception and, in the case of the latter, a large variety of diversity types. The moment generating function (MGF)-based approach for performance analysis, introduced by the authors in the first edition and referred to in literally hundreds of publications, still represents the backbone of the book's presentation. Important features of this new edition include: * An all-new, comprehensive chapter on transmit diversity, space-time coding, and the MIMO channel, focusing on performance evaluation * Coverage of new and improved diversity schemes * Performance analyses of previously known schemes in new and different fading scenarios * A new chapter on the outage probability of cellular mobile radio systems * A new chapter on the capacity of fading channels * And much more Digital Communication over Fading Channels, Second Edition is an indispensable resource for graduate students, researchers investigating these systems, and practicing engineers responsible for evaluating their performance.
Author: Marvin K. Simon Publisher: Wiley-Interscience ISBN: Category : Mathematics Languages : en Pages : 582
Book Description
A unified presentation, broad coverage, single-volume convenience This timesaving reference provides a unified approach to the performance analysis of digital communication systems over generalized fading channels. Employing alternative forms of such classical mathematical functions as the Gaussian Q-function, the Marcum Q-function, and the incomplete Gamma function, the book expresses communication system error probability performance in terms of the moment generation function (MGF) of the fading process. This MGF-based approach provides the unifying backbone of the book. Digital Communication over Fading Channels discusses in detail coherent, differentially coherent, and noncoherent communication systems as well as a large variety of fading channel models typical of communication links found in the real world. Coverage also includes single- and multichannel reception and, in the case of the latter, a large variety of diversity types. For each combination of communication type, channel fading model, and diversity type, the average bit error rate and/or symbol error rate is expressed in an easy-to-evaluate form. Special features include: * Important results previously scattered over many publications-now in a single volume * Simplified results heretofore available only in complex forms * Extremely broad coverage of topics * Explores practical applications, including the problem of optimum combining in the presence of co-channel interference
Author: Annamalai Jr Annamalai Publisher: ISBN: Category : Languages : en Pages :
Book Description
Testimonies of "wireless catching up with wireline" have begun. However, the nonstationary and hostile nature of the wireless channel impose the greatest threat to reliable data transmission over wireless links. The performance of a digital modulation scheme is degraded by many transmission impairments including fading, delay spread, co-channel interference and noise. Two powerful techniques for improving the quality of service over the wireless network are investigated: diversity reception and adaptive error control schemes. Owing to the growing interest in wireless communications, the importance of exact theoretical analysis of such systems cannot be understated. In light of these considerations, this dissertation focuses on accurate and efficient analysis of wireless digital communication systems in multiuser and multipath fading environments. The evaluation of error probabilities in digital communication systems is often amenable to calculating a generic error probability of the form Pr {X ≤ 0}, where X is a random variable whose probability distribution is known. We advocate a simple numerical approach based on the Fourier or Laplace inversion formulas and Gauss-Chebychev quadratures (GCQ) for computing this error probability. Using this result, and by formulating the outage probability of cellular mobile radio networks in the framework of statistical decision theory, we can unify the outage performance analysis for cellular mobile radio systems in generalized fading channels without imposing any restrictions on the desired signal and interferers statistics. Next, we develop two unified analytical frameworks for evaluating the bit or symbol error probability (SER) of a broad class of coherent, differentially coherent and noncoherent digital communication systems with diversity reception in generalized fading channels. The exact SER is mostly expressed in terms of a single finite-range integral, and in some cases in the form of double finite-range integrals. Virtually "exact" closed-form expressions (in terms of a rapidly converging series) are also derived. This offers a convenient method to perform a comprehensive study of all common diversity combining techniques (maximal-ratio combining (MRC), equal-gain combining (EGC), selection combining (SDC) and switched combining (SWC)) with different modulation formats in a myriad of fading scenarios. In particular, our unified approach based on characteristic function (CHF) method allows us to unify the above problem in a single common framework. Nevertheless, the moment generating function (MGF) method often yields a more concise solution than the CHF approach in the analysis of MRC, SDC and SWC diversity systems. Subsequently, we examine the performance of a maximum amplitude selection diversity (MA/SD) rake receiver configuration in indoor wireless channels. The proposed low-complexity receiver structure is practically appealing because of its simplicity as well as its ability to operate effectively even at high signalling rates. We have also devised a robust packet combining mechanism to enhance the throughput and delay performance of spread-spectrum radio networks without incurring a substantial penalty in receiver complexity. A simple indirect method to estimate the channel state condition for successful implementation of a self-reconfigurable automatic repeat-request (ARQ) system, such as mixed-mode ARQ protocol or adaptive packet length strategy in a slowly varying mobile radio environment is also studied.
Author: Marvin K. Simon Publisher: John Wiley & Sons ISBN: 0471715239 Category : Science Languages : en Pages : 936
Book Description
The four short years since Digital Communication over Fading Channels became an instant classic have seen a virtual explosion of significant new work on the subject, both by the authors and by numerous researchers around the world. Foremost among these is a great deal of progress in the area of transmit diversity and space-time coding and the associated multiple input-multiple output (MIMO) channel. This new edition gathers these and other results, previously scattered throughout numerous publications, into a single convenient and informative volume. Like its predecessor, this Second Edition discusses in detail coherent and noncoherent communication systems as well as a large variety of fading channel models typical of communication links found in the real world. Coverage includes single- and multichannel reception and, in the case of the latter, a large variety of diversity types. The moment generating function (MGF)-based approach for performance analysis, introduced by the authors in the first edition and referred to in literally hundreds of publications, still represents the backbone of the book's presentation. Important features of this new edition include: * An all-new, comprehensive chapter on transmit diversity, space-time coding, and the MIMO channel, focusing on performance evaluation * Coverage of new and improved diversity schemes * Performance analyses of previously known schemes in new and different fading scenarios * A new chapter on the outage probability of cellular mobile radio systems * A new chapter on the capacity of fading channels * And much more Digital Communication over Fading Channels, Second Edition is an indispensable resource for graduate students, researchers investigating these systems, and practicing engineers responsible for evaluating their performance.
Author: Stefan Panic Publisher: CRC Press ISBN: 1466508418 Category : Technology & Engineering Languages : en Pages : 264
Book Description
The rapid advancement of various wireless communication system services has created the need to analyze the possibility of their performance improvement. Introducing the basic principles of digital communications performance analysis and its mathematical formalization, Fading and Interference Mitigation in Wireless Communications will help you stay up to date with recent developments in the performance analysis of space diversity reception over fading channels in the presence of cochannel interference. The book presents a unified method for computing the performance of digital communication systems characterized by a variety of modulation and detection types and channel models. Explaining the necessary concepts of digital communication system design, the book guides you step by step through the basics of performance analysis of digital communication receivers. Supplying you with the tools to perform an accurate performance evaluation of the proposed communication scenarios, the book includes coverage of multichannel reception in various fading environments, influence of cochannel interference, and macrodiversity reception when channels are simultaneously affected by various types of fading and shadowing. It also includes many numerical illustrations of applications that correspond to practical systems. The book presents a large collection of system performance curves to help researchers and system designers perform their own tradeoff studies. The presented collection of system performances will help you perform trade-off studies among the various communication type/drawback combinations in order to determine the optimal choice considering the available constraints. The concepts covered in this book can be useful across a range of applications, including wireless, satellite, terrestrial, and maritime communications.
Author: Stefan Panic Publisher: CRC Press ISBN: 1466508426 Category : Computers Languages : en Pages : 263
Book Description
Fading and Interference Mitigation in Wireless Communications will help readers stay up to date with recent developments in the performance analysis of space diversity reception over fading channels in the presence of cochannel interference. It presents a unified method for computing the performance of digital communication systems characterized by a variety of modulation and detection types and channel models. The book includes coverage of multichannel reception in various fading environments, influence of cochannel interference, and macrodiversity reception when channels are simultaneously affected by various types of fading and shadowing.
Author: Iyad Abdelrazzaqe Al Falujah Publisher: ProQuest ISBN: 9780549145028 Category : Electrical engineering Languages : en Pages :
Book Description
The proliferation of digital wireless communication services has increased the congestion of the available radio spectrum. In addition to that, wireless communications are encountered by multipath channel fading. To alleviate the scarcity of the radio spectrum and multipath channel fading, attention in this dissertation is placed on differentially coherent phase shift keying (DPSK) systems with equal gain combining (EGC) diversity reception. DPSK systems are capable of achieving high spectral efficiency with adequate performance over wireless fading channels. Several wireless communication systems have adopted DPSK such as the time division multiple access (TDMA) version of the North American Digital Cellular (NADC) system. DPSK systems together with multiple-input multiple-output (MIMO) antenna systems have the potential to further improve the diversity gain and increase the spectral efficiency in wireless communication systems. This dissertation analyzes the error rates of a variety of wireless digital techniques over fading channels with particular emphasis on the DPSK systems. This work leads to a useful framework to analyze the error rates of digital techniques over fading channels, and the proposal of a reduced-complexity and low-cost MIMO system for wireless communications. This dissertation also simplifies and generalizes the previous results of the error rates of wireless communication techniques over independent and correlated fading without resorting to approximations. In addition to that, this study investigates the impact of fading correlation and imperfect phase recovery on the performance of noncoherent and coherent digital wireless communication systems respectively. From practical point of view, this research study is expected to be helpful in the design of the practical radio communication receivers. First, this research starts with a study of the DPSK systems over independent and correlated fading channels. We present two approaches to analyze the average bit error probability (BEP) of differential quaternary phase shift keying (DQPSK) systems with equal gain combining (EGC) diversity reception over fading channels. The first approach relies on the integral definition of the associated Legendre functions, which can lead to nite-series closed-form expressions for the average BEP of DQPSK over L independent Rayleigh and Nakagami-m, when the product Lm is integer, fading channels. In the second approach, we propose a finite sum of a finite-range integral for the average BEP of DQPSK with EGC over arbitrarily Nakagami- m and Rician fading channels. Besides, a finite-series closed-form expression is given for the average BEP of differential binary phase shift keying (DBPSK) with EGC over independent Rician fading channels. It is observed that the performance degradation due to the correlation among the diversity branches in Rician fading channels is severer than that in Nakagami- m fading channels as a result of the presence of the specular component. Second, we propose and analyze a reduced-complexity and low-cost DPSK system with MIMO employing EGC (MIMO EGC) diversity reception. The proposed structure provides a reduced-complexity and low-cost receiver for MIMO systems compared to the coherent phase shift keying system (PSK) with MIMO employing maximal ratio combining (MIMO MRC). The average BEP for DBPSK and DQPSK with MIMO EGC over independent Rayleigh fading channels has been derived. The associated Legendre functions approach has been used to analyze the average BEP of DQPSK with MIMO EGC. Finite closed-form expressions for the average BEP of DBPSK and DQPSK are presented. Third, we present another useful utilization of the associated Legendre functions approach. The associated Legendre functions approach is devoted to analyze the performance of coherent PSK systems over fading channels in the presence of imperfect phase recovery. We address an evaluation (without any kind of approximation) for the average BEP of the PSK systems with imperfect phase recovery over fading channels. Moreover, using the Fourier series expansion and the associated Legendre functions, the exact average BEP of the binary and quaternary phase shift keying (BPSK and QPSK respectively) on a single channel (no diversity) in the presence of different kinds of slow fading channels (Rayleigh, Nakagami-m, and Rician), phase recovery error, and additive white Gaussian noise (AWGN) has been evaluated. The detection loss and phase precision for both of BPSK and QPSK have been calculated. The series expressions of the average BEP proposed in our study are found to be converged with reasonable number of terms. Fourth, we turn our attention onto the performance of the square M-ary quadrature amplitude modulation (MQAM) with maximal ratio combining (MRC) receive diversity. We present closed-form expressions for the average SEP of MQAM with arbitrarily fading index m. Two models of MQAM receivers are analyzed. Closed-form expressions are provided for the average SEP in terms of the Appell and Gauss hypergeometric functions. Simplified error expressions are proposed when the product Lm is either integer or half integer. Finally this dissertation is concluded with summarized remarks and future extensions.
Author: 盧志明
Author: 盧志明
Author: Marvin K. Simon
Author: Marvin K. Simon
Author: Annamalai Jr Annamalai
Author: Marvin K. Simon
Author: Stefan Panic
Author: Stefan Panic
Author: Young-Chai Ko
Author: Iyad Abdelrazzaqe Al Falujah
Author: Xiang Liu