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Introduction to Wireless Digital Communication: A Signal Processing Perspective, First Edition by Robert W. Heath Jr.

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Chapter 4. Digital Modulation and Demodulation

The foundation of modern wireless communication systems is digital communication. The mapping of digital information onto waveforms at the transmitter is known as digital modulation. The extraction of the transmitted digital information from the noisy received signal is known as digital demodulation. General background on the principles of digital communication was provided in Chapter 2, to introduce important components of an entire digital communication system and relevant terminology. This chapter introduces a special class of digital modulation techniques that we call complex pulse-amplitude modulation and describes important mathematical concepts that underlie this type of modulation. There ...

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