通信系统概论:从信号到数据包(第1部分)

A System View of Communications: From Signals to Packets (Part 1)

这是一门基础课,讨论了设计通信系统(如手机)时的权衡问题,以及用来处理这些权衡问题的工程工具。

香港科技大学

edX

计算机

简单(初级)

7 周

课程概况

你有没有好奇过,信息是如何通过你的手机或WiFi热点进行传输的呢?这门基础课程将帮助你理解在系统设计中遇到的权衡问题和所使用的基本工程工具。

这门课程分为三个部分。在第一部分,我们检测了点对点通信方式,即单个发送器向单个接收器传输数据;第二部分我们检测了多个发送端是如何共享同一个物理信道的;第三部分我们讨论了信息是如何通过多个用户连接形成的网络进行数据传输,并保持信息的可靠性的。我们将提供在线的互动练习和总结,来帮助你建立处理这方面问题的直觉。

这门课程是在麻省理工学院(MIT)的6.02数字通信系统课程的启发下和基础上建立的,Bertram Shi教授利用他2009年的假期制作了这门课程。

Have you ever wondered how information is transmitted using your mobile phone or a WiFi hotspot? This introductory course seeks to enable you to understand the basic engineering tools used and tradeoffs encountered in the design of these communication systems.

This course is divided into three parts. In Part 1, we examine the point-to-point link, which communicates information from a single transmitter to a single receiver. Part 2 examines how multiple transmitters can share the same physical channel. Part 3 discusses how information can be transmitted reliably from one station to another over a network that connects multiple stations. Online interactive exercises are included to help build your intuition.

This course was inspired by and built upon the course 6.02 Digital Communication Systems developed at MIT, which Prof Bertram Shi worked on during his sabbatical in 2009.

你将学到什么

Learn the point-to-point link which communicates information from a single transmitter to a single receiver.

Gain a basic understanding of the engineering tools used and tradeoffs faced in designing digital communications systems.

Discuss effective solutions to overcome these challenges and develop intuitive, useful systems.

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