Data Communications Systems (5 cr)

Evaluation scale

H-5

Content scheduling

Analog and Digital Signals, OSI layer 1, Signal presentation in time and frequency domain, Fourier Principals, Continuous and Discrete Convolution principle for signal processing, Impulse response, Transfer Function, Amplitude and phase responses, filtering (analog and FIR), linear distortions

Objective

After completing the course the student:
- understands basic signal presentations in time and frequency domain and how they are related in real signals used in different communication systems
- can show signal spectrum with basic signals
- can analyse RC-circuit with impulse, step, amplitude and phase responses
- understands the need and principle of filtering
- understands convolution principal and meaning with DSP
- is familiar with basic measurement equipment

Content

- Analog and Digital Signals,
- OSI layer 1,
- Signal presentation in time and frequency domain,
- Fourier Principles,
- Continuous and Discrete Convolution principle for signal processing,
- Impulse response,
- Transfer Function,
- Amplitude and phase responses,
- Filtering (analog and FIR),
- Linear distortions
- Laboratory works from course topics

Materials

Lesson material mainly, in Itslearning-platform
reading:
Carlson, Crilly; Communication Systems. 5th edition,
J.H.McClellan, R.W.Schafer, M.A.Yoder; Signal Prosessing First

Teaching methods

Lessons
Laboratory works from course topics

Pedagogic approaches and sustainable development

Topics are covered in lessons and confirmed with laboratory works
Lessons are partly in classroom, partly online, labworks always in laboratory.

Student workload

Lessons and laboratory works 40 h
Homeworks and preparations for labs and exam 80h

Evaluation methods and criteria

Exam 0-5
Home work points minimum 30%

Assessment criteria, satisfactory (1-2)

• Understands basic signal presentations in time and frequency domain and how they are related in real signals used in different communication systems
• understands the need and principle of filtering
• is familiar with basic measurement equipment

Assessment criteria, good (3-4)

Can show signal spectrum with basic signals
Can analyse RC-circuit with impulse, step, amplitude and phase responses and calculate examples
Can make basic measurements with spectrum analyser

Assessment criteria, excellent (5)

• Understands convolution principal and meaning with DSP
• Can calculate signal spectrum with basic signals
• Can calculate RC-circuit amplitude and phase responses