Communications Range Predictions for Mobile Radio Systems PDF Download
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Author: William A. Kissick
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 32
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Book Description
Author: William A. Kissick
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 32
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Book Description
Author: W. A. Kissick
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Book Description
Author: Garry C. Hess
Publisher: Artech House Publishers
ISBN:
Category : Technology
Languages : en
Pages : 376
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Book Description
Take the guesswork out of land-mobile radio system coverage prediction with this unique book and software package. Taking you beyond mere descriptions of system aspects such as propagation, modulation, coding, and frequency re-use, it addresses how to use this information to accurately predict, verify, and measure radio system coverage.
Author: Tugay Eyceöz
Publisher:
ISBN:
Category :
Languages : en
Pages : 187
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Book Description
Keywords: wireless communication systems, long range prediction, deterministic channel modeling.
Author: John David Parsons
Publisher: Springer Science & Business Media
ISBN: 1468415263
Category : Science
Languages : en
Pages : 444
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Book Description
During the past decade there has been a dramatic change in the nature of mobile communications technology and its impact on the general communic ations environment. In the 1970s, mobile radio was a minority activity in communications, based on relatively unsophisticated technology. The 1980s, however, have seen the emergence of analogue cellular systems and the definition of future digital systems, and the predicted demand for these services is such that investigations into the use of higher frequency bands have already begun. It is predicted that, by the late 1990s, the 'personal communications' world will have resulted in the majority of adults in Europe and North America being dependent on radio-connected terminals of various kinds for more than 50% of their total telecommunications needs. The technology which will form the basis of this revolution has now been defined, at least in outline, and the fixed and mobile equipment that will be used in systems of the future will bear little resemblance to that available even ten years ago. It is impossible within the confines of a single, relatively short book to cover all the subject areas needed for a study of this exciting and expanding field of technology. We have, perforce, been selective and have chosen those topics which we believe to be of primary importance at the present time.
Author: Sana Salous
Publisher: John Wiley & Sons
ISBN: 1118502329
Category : Technology & Engineering
Languages : en
Pages : 423
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Book Description
While there are numerous books describing modern wireless communication systems that contain overviews of radio propagation and radio channel modelling, there are none that contain detailed information on the design, implementation and calibration of radio channel measurement equipment, the planning of experiments and the in depth analysis of measured data. The book would begin with an explanation of the fundamentals of radio wave propagation and progress through a series of topics, including the measurement of radio channel characteristics, radio channel sounders, measurement strategies, data analysis techniques and radio channel modelling. Application of results for the prediction of achievable digital link performance would be discussed with examples pertinent to single carrier, multi-carrier and spread spectrum radio links. This work would address specifics of communications in various different frequency bands for both long range and short range fixed and mobile radio links.
Author: Michel Daoud Yacoub
Publisher: CRC Press
ISBN: 9780849386770
Category : Technology & Engineering
Languages : en
Pages : 504
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Book Description
Foundations of Mobile Radio Engineering is a comprehensive survey covering the main topics of mobile radio systems. Concepts considered include the theory of patterns and symmetry and how it impacts hexagonal cell tessellation, long-term fading and log-normal distribution, short-term fading and Rayleigh distribution, indoor propagation and Rice distribution, Suzuki distribution, interleaving and using codes in a Rayleigh environment, and ALOHA protocol and its improved performance in a Rayleigh environment. The book also addresses interference problems and traffic studies with consideration to the Monte Carlo simulation technique. It presents traffic performance enhancement techniques such as dynamic channel allocation, hybrid channel allocation, channel segregation, and fuzzy cell boundaries algorithms. It also covers adjacent and co-channel interference as functions of traffic load. With practical results, examples, and field measurement problems, the book provides a wealth of information for electrical engineers; professionals in communications, networks, and cellular mobile radio and mobile radio systems; and students in electrical engineering and communication.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
In wireless communication systems, the direct signal and the reflected signals form an interference pattern resulting in a received signal given by the sum of these components. They are distinguished by their Doppler shifts at the mobile. Since the parameters associated with these components are slowly varying, the fading coefficients can be accurately predicted far ahead. We introduced a novel algorithm for long range prediction of fading channels. This algorithm finds the linear Minimum MeanSquared Error (MMSE) estimate of the future fading coefficients given a fixed number of previous observations. We show that thesuperior performance of this algorithm is due to its longer memoryspan achieved by using lower sampling rate given fixed model orderrelative to the conventional (data rate) methods of fading prediction. This long range prediction capability for fading channels would provide enabling technology for accurate power control, reliable transmitter and/or receiver diversity, more effective adaptive modulation and coding and improvements in many other components ofwireless systems. In this thesis, we demonstrate that largeimprovements in the performance are possible for both flat and frequency-selective rapidly varying fading channels when the proposed prediction method is used. We illustrate the performance enhancements both at the transmitter and the receiver with both theoretical and simulation results.
Author: Simon R. Saunders
Publisher: John Wiley & Sons
ISBN: 0470848790
Category : Technology & Engineering
Languages : en
Pages : 547
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Book Description
Antennas and propagation are of fundamental importance to the coverage, capacity and quality of all wireless communication systems. This book provides a solid grounding in antennas and propagation, covering terrestrial and satellite radio systems in both mobile and fixed contexts. Building on the highly successful first edition, this fully updated text features significant new material and brand new exercises and supplementary materials to support course tutors. A vital source of information for practising and aspiring wireless communication engineers as well as for students at postgraduate and senior undergraduate levels, this book provides a fundamental grounding in the principles of antennas and propagation without excessive recourse to mathematics. It also equips the reader with practical prediction techniques for the design and analysis of a very wide range of common wireless communication systems. Including: Overview of the fundamental electromagnetic principles underlying propagation and antennas. Basic concepts of antennas and their application to specific wireless systems. Propagation measurement, modelling and prediction for fixed links, macrocells, microcells, picocells and megacells Narrowband and wideband channel modelling and the effect of the channel on communication system performance. Methods that overcome and transform channel impairments to enhance performance using diversity, adaptive antennas and equalisers. Key second edition updates: New chapters on Antennas for Mobile Systems and Channel Measurements for Mobile Radio Systems. Coverage of new technologies, including MIMO antenna systems, Ultra Wideband (UWB) and the OFDM technology used in Wi-Fi and WiMax systems. Many new propagation models for macrocells, microcells and picocells. Fully revised and expanded end-of-chapter exercises. The Solutions Manual can be requested from www.wiley.com/go/saunders_antennas_2e
Author:
Publisher:
ISBN:
Category : Criminal justice, Administration of
Languages : en
Pages : 228
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Book Description
