This book is mainly about theoretical foundations of information theory and coding.Also,some practical applications of these theories are mentioned in some occasions.On the basis ofintroducing measures of information, it mainly focuses on the introduction of the theory oflossless source coding, limited loss source coding, channel coding and their applications.Inaddition, it pays attention to basic concepts and uses popular texts to explain them.In thebackground of the current communication system, it includes many examples and figures toelaborate these concepts and theorems.At the same time, in this book, we do our best to avoidgetting entangled in proving the equations.To deepen the understanding of the knowledge ittouches upon, there are some exercises attached at the end of every chapter, which can beused as the teaching material for college students, and also, it can be used as the referencematerial for career people in the area of communication, telecommunication and electronics.展开