### Welcome to Digital Communications

You can access pages in this electronic book in three ways: Browse the chapters and sections by clicking on the buttons to the left of the screen. Find a topic in the full Contents. Find a topic in the Index. You can navigate between pages, and bookmark pages of interest, using the buttons at the foot of the screen. You can switch to a new chapter or section at any time by using the buttons to the left of the screen. If you lose your way, the back button will always take you to the screen you last viewed. For full instructions on how to use this product and system requirements, click How to use.

How to use Preface Contents 1 Background Material 2 Data transmission fundamentals 3 Baseband data transmission 4 Sources and examples of channel degradation | 5 Bandpass digital modulation 6 Multi-level digital modulation 7 Coding theory and practice 8 Multi-level digital modulation techniques Glossary References Index