There are many online resources where you can find free 4G LTE books to download in PDF format, including online textbooks, ebooks, lecture notes, and more, covering basic, beginner, and advanced concepts for those looking for an introduction to the subject or a deeper understanding of it.
This note
covers the following topics: Fundamentals of LTE Networks, Security Framework,
Security Mechanisms, Vulnerabilities, Existing Solutions and Open Research
Issues.