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The hands-on reference book provides a thorough study of different communication systems along with analog and digital communication designing. Summary Of The Book The book explains the basic concept of communication systems with mathematical equations and theories. More than 180 solved illustrations and 480 questions with answers are elaborated regarding the practical implication of the subject. The book Communication Systems Engineering begins with the introduction of Elements of Electrical Communication, and Channel Characteristics. The Frequency Analysis includes Fourier Transforms, Fourier Series, Bandpass and Bandlimited Signals. Analog Signals covers the basics of Modulation, Angle/ Amplitude/ Phase modulation, TV and Radio broadcasting and Mobile radios. While the random processes comprise of statistical averages, White and Gaussian processes, Bandlimited/Bandpass Sampling and processes . The topic of Noise Effect on Analog system consists of effect on Modulation of Linear Systems and Angle Modulation Systems, Analog Modulation System comparison, Estimation of Carrier Phase with a PLL, and Transmission Losses Effects . Information Source and Coding advocates subject as Modeling, Source Coding Theorems and Algorithms, Digital Sound Transmission/Recording, JPEG Image standards and coding. Transmission of Digital signals through Additive Bandlimited AWGN/ White Gaussian noise channel along with Signal Waveforms, Multi carrier Modulation and OFDM are also covered. Lastly the wireless communications comprise of Multipath Fading channels, Carrier-Phase Continuous Modulation, Communication via Digital Cellular such as GSM and CDMA systems and dispersed Spectrum Systems. The book Communication Systems Engineering is written by John G. Proakis and Masoud Salehi and was published in the year 2005. It provides an insight on Frequency Domain Analysis, Analog Signal Reception and Transmission, and Digitalization of Communication for quick and efficient transmission of information. The book is useful for the under and postgraduate levels. About The Authors John G. Proakis is a teacher who specializes in in communication systems and signal processing digitization. Other books by Proakis are Digital Signal Processing, Discrete-Time Processing of Speech Signals, Digital Signal Processing Using MATLAB, Algorithms For Statistical Signal Processing, Wiley Encyclopedia of Telecommunications etc. Proakis had served as a lecturer in University Of California, San Diego. He also served in the faculty staff of Northeastern University and as professor in various other colleges in Electrical Engineering department. Masoud Salehi is an expert in the Electrical Engineering stream. Other books of Salehi are Digital Communications, Fundamentals of Communication Systems, Contemporary Communication Systems Using MATLAB etc. He has Ph.D in Electrical Engineering and a M.S., both from Stanford University. Salehi served as a professor in Tehran University and, Isfahan University Of Technology.