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Communication system is a system model describes a communication exchanges between two stations, transmitter and receiver. Signals or information’s passes from source to distention through what is called channel, which represents a way that signal use it to move from source toward destination. To transmit signals in communication system, it must be first processed by several stages, beginning from signal representation, to signal shaping until encoding and modulation. After preparing the transmitted signal, it passed to the transmission line of channel and due signal crossing this media it faces many impairments such noise, attenuation and distortion. This note book gives a brief concepts about transmission line calculation and also provides an idea about communication system impairments with an example for each one. The note book also provides an introduction to data communication with a simple ideas of data processing.
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Elmustafa Sayed Ali Ahmed received his M.Sc. degree in electronic engineering, communication from Sudan University of science and technology in 2012, and B.Sc. (Honor) degree in electrical engineering, Telecommunication from Red Sea University in 2008. He was a wireless networks (Tetra system, Wi-Fi and Wi-Max) engineer in Sudan Sea Port Corporation for 4 years. Now he is a head department of electrical and electronics engineering, faculty of engineering in Red Sea University, Sudan. He is published papers, and chapters in area of MANET routing protocols, and big data clouds. Research interests in field of mobile ad-hoc networks, wireless networks, Vehicular ad-hoc networks and computer networks, and cloud computing.
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