Data Communications: Signals and Systems

Course Status:	Released
Course Language:	English
Course Duration:	4 Hours
Deployment Options:	Online, Interactive CDs, Network, Downloads, Intranet

Audience

Network managers, builders of wide area networks, and newcomers to data communications

Prerequisites

As this is a foundation course, students are not required to have taken any other course; however, some technical background is assumed

Course Aim

To provide a firm foundation in the physics of data communications and in the history of data communications development

Learning Objectives

Explain the fundamentals of signal theory. List modulation techniques and explain how each works. Identify modes of transmission. Select between fiber, coax, twisted pair, and wireless systems.

Topics Covered

Signal theory - Electric signals - Waveforms and frequencies - Analog v Digital - Noise - Attenuation - Digital encoding - Character codes Modulation and multiplexing - Modulation introduced - Digital to analog - Analog to digital - Channels and bandwidths - Multiplexing Data transmission - Introduction - Serial and parallel - Synchronous and asynch. - Error-checking - Simplex, half-duplex, duplex - Data trans. combinations Datacomms equipment - DTEs and DCEs - Modems, codecs and DSUs - Communications interfaces Transmission media - Physical media - Unbounded transmission - Satellite transmission