作品简介

　　我国物联网产业发展势头强劲，技术发展日新月异。大数据、人工智能和边缘计算等技术在物联网平台上的深度融合，推动了智能物联网的快速发展，接入层是智能物联网层次结构中的重要层次。本书力图体现物联网接入技术在物联网中的重要作用。

　　图文并茂，易读易懂。本书给出大量示意图，尽量采用通俗易懂的语言，帮助读者更好地理解内容。

　　内容全面，案例生动。本书对物联网中常用接入技术的研究背景、形成与发展过程、基本概念、技术特点、具体实现和应用领域等做了详细介绍，涵盖面广，辅以大量我国IT企业有关物联网的技术、标准与案例。

　　循序渐进，层次分明。本书首先介绍物联网和计算机网络的相关概念，能够帮助读者补充相关的基础知识；接下来介绍各种物联网接入技术，力求突出重点，帮助读者掌握不同的物联网接入技术。

　　配备习题，引发思考。本书每章最后均配有习题，选择题帮助读者及时巩固各章知识重点，问答题有助于培养读者解决技术难题的能力。

　　吴功宜，南开大学计算机学院教授、博士生导师。曾任南开大学计算机系主任、研究生院常务副院长、信息技术科学学院院长。长期从事计算机网络与信息安全方向的教学与研究工作；编著和出版30余部教材、译著、专著。2000年获南开大学优秀教师特等奖，2003年获天津市“十五”立功奖章，享受国务院政府特殊津贴。

　　吴英，南开大学计算机学院副教授，博士，硕士生导师。主要研究方向为物联网、车联网与网络安全，主持与参加科研项目8项，发表学术论文20余篇。参加编著与出版教材、译著共10部。多年来一直从事计算机网络、物联网导论与软件编程教学工作，获天津市教学成果一等奖一项。

Introduction of works

The development momentum of the Internet of Things industry in our country is strong, and technology is developing rapidly. The deep integration of technologies such as big data, artificial intelligence and edge computing on the Internet of Things platform has promoted the rapid development of the intelligent Internet of Things, and the access layer is an important level in the intelligent Internet of Things hierarchy. This book tries to show the important role of Internet of Things access technology in the Internet of Things.

Well illustrated, easy to read and understand. The book provides a large number of diagrams and tries to use plain language to help readers understand the content better.

The contents are comprehensive and the cases are vivid. This book makes a detailed introduction to the research background, formation and development process, basic concepts, technical characteristics, specific implementation and application fields of commonly used access technologies in the Internet of Things, which covers a wide range and is supplemented by a large number of technologies, standards and cases related to the Internet of Things in China's IT enterprises.

Step by step, hierarchical. This book first introduces the related concepts of the Internet of Things and computer networks, which can help readers supplement the basic knowledge of the relevant; The following introduces various iot access technologies, and strives to highlight the key points to help readers master different iot access technologies.

Equipped with exercises to trigger thinking. Exercises are provided at the end of each chapter. Multiple choice questions help the reader to consolidate the key points of knowledge in each chapter in a timely manner, and essay questions help to develop the reader's ability to solve technical problems.

Wu Gongyi, professor and doctoral supervisor, School of Computer Science, Nankai University. He was director of the Computer Department, executive vice president of the Graduate School, and Dean of the School of Information Technology Science of Nankai University. He has been engaged in the teaching and research of computer network and information security for a long time. He has edited and published more than 30 textbooks, translations and monographs. In 2000, he won the special prize of outstanding teachers of Nankai University, in 2003, he won the "Tenth Five-Year Plan" meritorious Service medal of Tianjin, and enjoyed the special government allowance of The State Council.

Wu Ying, Associate Professor, PhD, Master tutor, School of Computer Science, Nankai University. His main research direction is Internet of Things, Internet of vehicles and network security. He has hosted and participated in 8 scientific research projects and published more than 20 academic papers. Participated in the compilation and publication of a total of 10 textbooks and translations. For many years, he has been engaged in the teaching of computer network, introduction to the Internet of Things and software programming, and won the first prize of Tianjin teaching achievement.