Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu
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Browsing Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu by Institution Author "Gazi, O."
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Book Part Analog and Digital Filter Design(Springer Science and Business Media B.V., 2018) Gazi, O.In this chapter, we will study analog and digital filter design techniques. A filter is nothing but a linear time invariant (LTI) system. Any LTI system can be described using its impulse response. If the impulse response of a LTI system is known, then for any arbitrary input the system output can be calculated by taking the convolution of the impulse response and arbitrary input. This also means that filtering operation is nothing but a convolution operation. And filter design is nothing but finding the impulse response of a linear time invariant system. For this purpose, we can work either in time domain or frequency domain. © Springer Nature Singapore Pte Ltd. 2018.Book Part Channel Coding Theorem(Springer Science and Business Media Deutschland GmbH, 2018) Gazi, O.In this chapter, we will discuss the channel coding theorem in details. Channel coding theorem can be accepted as a milestone in electronic communication field. For this reason, it is very critical for a communication engineer to comprehend the channel coding theorem very well. In many information theory books, or in many lecture notes delivered in classes about information theory, channel coding theorem is very briefly summarized, for this reason, many readers fail to comprehend the details behind the theorem. © 2018, Springer Nature Singapore Pte Ltd.Book Part Concept of Information, Discrete Entropy and Mutual Information(Springer Science and Business Media Deutschland GmbH, 2018) Gazi, O.In this chapter, we will try to explain the concept of information, discrete entropy and mutual information in details. To master on the information theory subjects, the reader should have a knowledge of probability and random variables. For this reason, we suggest to the reader to review the probability and random variables topics before studying the information theory subjects. Continuous entropy and continuous mutual information are very closely related to discrete entropy and discrete mutual information. For this reason, the reader should try to understand very well the fundamental concepts explained in this chapter, then proceed with the other chapters of the book. © 2018, Springer Nature Singapore Pte Ltd.Book Part Entropy for Continuous Random Variables Discrete Channel Capacity, Continuous Channel Capacity(Springer Science and Business Media Deutschland GmbH, 2018) Gazi, O.In this chapter, we will study the entropy concept for continuous random variables. The capacity of both continuous and discrete channels will be inspected in details. The capacity formula for additive white Gaussian channel is to be derived and the factors that affects the capacity of the additive white Gaussian channel will be elaborated. © 2018, Springer Nature Singapore Pte Ltd.Book Citation - Scopus: 12Forward Error Correction Via Channel Coding(Springer International Publishing, 2019) Gazi, O.This book provides a comprehensive explanation of forward error correction, which is a vital part of communication systems. The book is written in such a way to make the subject easy and understandable for the reader. The book starts with a review of linear algebra to provide a basis for the text. The author then goes on to cover linear block codes, syndrome error correction, cyclic codes, Galois fields, BCH codes, Reed Solomon codes, and convolutional codes. Examples are provided throughout the text. Provides a comprehensive treatment of forward error correction Includes examples through the book, which are solved in steps, making them easier to understand Ideal for researchers, professionals and students. © Springer Nature Switzerland AG 2020.Book Information Theory for Electrical Engineers(Springer Science and Business Media Deutschland GmbH, 2018) Gazi, O.; Gazi, Orhan; Elektronik ve Haberleşme MühendisliğiBook Part Citation - Scopus: 1Mathematical Modelling of Polar Codes, Channel Combining and Splitting(Springer Science and Business Media B.V., 2019) Gazi, O.In Chap. 2, we explained the decoding of polar codes in a clear and trivial manner. However, in most of the engineering sciences, it is critical to mathematically formulate the theories or techniques invented. © Springer Nature Singapore Pte Ltd. 2019.Conference Object Citation - Scopus: 1A New Companding Technique for Papr Reduction in Ofdm Communication Systems(2011) Gazi, O.One of the major disadvantages of OFDM communication systems is their high peak-to-average power ratio (PAPR) which degrades system performance when nonlinear power amplifiers are employed. Among the proposed PAPR tech- niques companding is favorable due to its simplicity and easy of implementation. In this article, using the arctan- gent function we propose a new compading technique for PAPR reduction. We compare the proposed technique to the previously suggested exponential companding, and μ- law companding methods. Via computer simulations it is verified that the proposed technique is better than exponen- tial and μ-law companding methods for PAPR reduction.Book Polar Codes: a Non-Trivial Approach To Channel Coding(Springer Science and Business Media B.V., 2019) Gazi, O.Polar codes are one of the recently discovered capacity achieving channel codes. What makes the polar codes different from other channel codes is that polar codes are designed mathematically and their performance are mathematically proven. © Springer Nature Singapore Pte Ltd. 2019.Book Part Polarization of Binary Erasure Channels(Springer Science and Business Media B.V., 2019) Gazi, O.In this chapter, we will demonstrate the calculation of split channel capacities when polar codes are employed for binary erasure channels. © Springer Nature Singapore Pte Ltd. 2019.Book Part Polarization Rate and Performance of Polar Codes(Springer Science and Business Media B.V., 2019) Gazi, O.In this chapter, we will mathematically state the channel polarization theorem and prove it. In addition, the performance of polar codes will be mathematically analyzed. © Springer Nature Singapore Pte Ltd. 2019.Book Citation - Scopus: 2A Tutorial Introduction To Vhdl Programming(Springer Singapore, 2018) Gazi, O.This book helps readers create good VHDL descriptions and simulate VHDL designs. It teaches VHDL using selected sample problems, which are solved step by step and with precise explanations, so that readers get a clear idea of what a good VHDL code should look like. The book is divided into eight chapters, covering aspects ranging from the very basics of VHDL syntax and the module concept, to VHDL logic circuit implementations. In the first chapter, the entity and architecture parts of a VHDL program are explained in detail. The second chapter explains the implementations of combinational logic circuits in VHDL language, while the following chapters offer information on the simulation of VHDL programs and demonstrate how to define data types other than the standard ones available in VHDL libraries. In turn, the fifth chapter explains the implementation of clocked sequential logic circuits, and the sixth shows the implementation of registers and counter packages. The book’s last two chapters detail how components, functions and procedures, as well as floating-point numbers, are implemented in VHDL. The book offers extensive exercises at the end of each chapter, inviting readers to learn VHDL by doing it and writing good code. © Springer Nature Singapore Pte Ltd. 2019.Book Part Typical Sequences and Data Compression(Springer Science and Business Media Deutschland GmbH, 2018) Gazi, O.In this chapter, we will first provide information about typical sequences the introduce the data compression subject. In fact, the data compression subject is a direct consequence of the typical sequences. For this reason, it is very important to comprehend the concept of typical sequences to understand the data compression phenomenon. © 2018, Springer Nature Singapore Pte Ltd.Book Citation - Scopus: 11Understanding digital signal processing(Springer Science and Business Media B.V., 2018) Gazi, O.

