PDC PPT
1 Chapter 3: Signals Analog and Digital Signals To be transmitted, data must be transformed to electromagnetic signals.
The Physical Layer Chapter 2 CN5E by Tanenbaum & Wetherall, © Pearson Education-Prentice Hall and D. Wetherall, 2011 Theoretical Basis for Data Communications.
1CSNW1 – week 3 Datacommunicatie. Datacommunicatie? Communications men string telephone wire on an Enewetok tree. National Park Service (USA) Datacommunicatie.
Lecture 08
Mathematical model for communication channels
1 Chapter 2 The Physical Layer The lowest layer of reference model. It defines the mechanical, electrical, and timing interfaces to the network.
Chapter 2 The Physical Layer 1 The lowest layer of reference model. It defines the mechanical, electrical, and timing interfaces to the network.
Physical Layer (Part 1) Computer Networks C13. Physical Layer Outline (Part 1) Definitions Nyquist Theorem - noiseless Shannon’s Result – with noise.
Networks: Physical Layer1 Physical Layer. Networks: Physical Layer2 Physical Layer – Part 1 Definitions Nyquist Theorem - noiseless Shannon’s Result –