Titlebook: Digital Transmission; A Simulation-Aided I Dayan Adionel Guimaraes Book 2009 The Editor(s) (if applicable) and The Author(s), under exclusi

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Digital Transmission978-3-642-01359-1Series ISSN 1860-4862 Series E-ISSN 1860-4870

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Book 2009ing to the physical layer, are emphasized. Nevertheless, these principles can serve as the fundamentals that will help the reader to understand more advanced topics and the associated technology. In this book, each topic is addressed in two different and complementary ways: .theoretically. and .by s

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开始从未

Passband Digital Transmission,al content and the performance over the AWGN channel. Carrier synchronization for coherent detection and symbol timing are covered in a specific section and the performance of some digital modulations over fading channels is discussed at the end of the chapter.

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Signals and Systems,theory is briefly discussed, and linear systems are then put into focus, with emphasis in linear, time-invariant (LTI) systems. The complex representation of signals and systems is also covered and the chapter ends with an analysis of the power spectral density and bandwidth of signals, complementing the study started in Chap.1.

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Wideband Transmission Techniques,sually these systems indeed produce high bandwidth signals. Three wideband techniques are covered in this chapter: spread-spectrum (SS), multi-carrier (MC) and ultra wideband (UWB). Only basic concepts are presented, but several references are cited throughout the text to help the reader to find additional information.

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