Fundamentals of Wireless Systems
- Describe the types, applications and frequency bands of wireless systems
- Explain the basic components of a wireless systems and their operating principles
- Calculate the parameters of the wireless link
- Explain the impact of noise on wireless systems
- Relate the parameters of propagation models with the parameters of wireless system
- Calculate gain, noise figure and third order intercept point of a wireless receiver
- Compare different architectures of wireless receivers
Forms of Teaching
live or online, presentation of theoretical principles and practical examples, discussionsExercises
numerical examples from practiceField work
visits to companies that are operators or users of wireless systemsLaboratory
hands-on experience in measurements on wireless systems and their components
|Type||Threshold||Percent of Grade||Threshold||Percent of Grade|
|Laboratory Exercises||50 %||0 %||50 %||0 %|
|Mid Term Exam: Written||50 %||25 %||0 %|
|Final Exam: Written||50 %||25 %|
|Final Exam: Oral||50 %|
|Exam: Written||50 %||50 %|
|Exam: Oral||50 %|
Week by Week Schedule
- Radio frequency regulation. Spectrum management.
- Wireless systems, broadcasting system (digital picture and sound broadcasting), mobile communications, satellite communications and navigation. Wireless sensor networks. Cognitive radio, software defined radio.
- Propagation mechanisms (transmission, reflection, diffraction, scattering), path loss. Friis transmission equation.
- Noise types, noise of electronic components, white noise. Equivalent noise temperature, noise figure. Noise temperature and noise figure of cascaded components.
- Signal generators, oscillators, synthesizers, phase noise.
- Antenna, input impedance, efficiency, radiation pattern, directivity, gain, effective aperture, polarization.
- Antenna noise temperature.
- Midterm exam
- Nonlinear networks, harmonic components and intermodulation products. Compression point. Third order intercept point. Passive intermodulation.
- Mixers, principle of operation, specifications, Up-conversion and down-conversion, rejection of image frequency, RF-LO isolation.
- Amplifiers, gain definitions, stability, noise. Power amplifiers.
- Minimum detectable signal, receiver sensitivity, dynamic range. Selection of intermediate frequency. Spurious-free range.
- Receiver architectures, superheterodyne receiver, receiver noise figure.
- Exposure to electromagnetic fields, standards and regulations, dosimetric quantities in different frequency ranges, basic restrictions and reference levels. Protection from exposure to electromagnetic fields.
- Final exam