Course detail

Wireless Communication Theory

FEKT-MTRKAcad. year: 2011/2012

Radio communication system, radio communication signals, complex envelope, Channel capacity, information theory, Intersymbol interferences, signal shaping, receiver filter, Detection of radio communication signals, hypothesis testing, AWGN channel, PSK, BPSK, DPSK, QPSK, OQPSK, MQAM, MSK, GMSK, CPM - modulation, demodulation, applications, Spread spectrum systems I - DSSS, FHSS, spreading sequences, Spread spectrum systems I - rake receiver, synchronization, Communication channel characteristics, equalizers, nonlinear channels, UWB communications, OFDM - principle, modulation using IFFT, cyclic prefix and orthogonality, Synchronization and equalization, MB-OFDM and MC-CDMA systems, Block and convolutional codes, cyclic codes, turbo codes, concatenated codes, MIMO systems, space time coding, TCM

Language of instruction

Czech

Number of ECTS credits

6

Mode of study

Not applicable.

Guarantor

prof. Ing. Roman Maršálek, Ph.D.

Department

Department of Radio Electronics (UREL)

Learning outcomes of the course unit

The students become familiar with the wireless communication link, representation of information, signal detection, methods of intersymbol interference supression, coding, fading channel characteristics, amplitude and phase keying and with properties of communication systems OFDM, CDMA and UWB.

Prerequisites

The subject knowledge on the Bachelor´s degree level is requested.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Requirements for completion of a course are specified by a regulation issued by the lecturer responsible for the course and updated for every.

Course curriculum

Lectures:

1. Radio communication system, radio communication signals, complex envelope
2. Channel capacity, information theory
3. Intersymbol interferences, signal shaping, receiver filter
4. Detection of radio communication signals, hypothesis testing, AWGN channel
5. PSK, BPSK, DPSK, QPSK, OQPSK
6. MQAM, MSK, GMSK, CPM - modulation, demodulation, applications
7. Spread spectrum systems I - DSSS, FHSS, spreading sequences
8. Spread spectrum systems I - rake receiver, synchronization
9. Communication channel characteristics, equalizers, nonlinear channels, UWB communications
10. OFDM - principle, modulation using IFFT, cyclic prefix and orthogonality
11. Synchronization and equalization, MB-OFDM and MC-CDMA systems
12. Block and convolutional codes, cyclic codes, turbo codes, concatenated codes
13. MIMO systems, space time coding, TCM

Computer experiment:

1. Complex envelope
2. ISI
3. Optimal receiver
4. Synchronization
5. CDMA
6. OFDM - principle
7. Radio channel
8. RF chain
9. OFDM II - influnce of RF parameters
10. UWB principles
11. Coding
12. test

Work placements

Not applicable.

Aims

The aim of the course is to make students familiar with the wireless communication link, representation of information, signal detection, methods of intersymbol interference supression, coding, fading channel characteristics, amplitude and phase keying and with properties of communication systems OFDM, CDMA and UWB.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

MARŠÁLEK, R. Teorie rádiové komunikace - počítačová cvičení (CS)
MARŠÁLEK, R. Teorie rádiové komunikace (CS)

Recommended reading

HAYKIN, S. Digital Communications, John Wiley & sons, 1998, 597 s., ISBN 0-471-62947-2. (EN)

Classification of course in study plans

  • Programme EEKR-M Master's

    branch M-EST , 1. year of study, winter semester, compulsory

  • Programme EEKR-CZV lifelong learning

    branch ET-CZV , 1. year of study, winter semester, compulsory

Type of course unit

 

Lecture

39 hours, optionally

Teacher / Lecturer

prof. Ing. Roman Maršálek, Ph.D.

Syllabus

Modern radio communication system. Wireless channel, additive noise, fading

Channel capacity, information theory basics

Radiocommunication signals, equivalence of band-pass and low-pass. Complex envelope

Intersymbol interferences, Signal shaping. Transmitter and receiver filters. Equalization.

Signal detection. Hypothesis testing, criterias. AWGN channel. Antipodal signals. Binary signal detection.

PSK, BPSK, DPSK, QPSK, OQPSK. Waveforms, psd, constellations, modulation and demodulation, error probability.

MSK, CPM, QAM. Modulation and demodulation, psd, error probability.

Spread spectrum systems. Direct sequence. Suppression of the undesirable signal. Rake receivers. Diversity. Frequency hoping.

Spreading sequences and their properties. Synchronization. Acquisition and tracking.

Fading, Channel characteristics, classification. Diversity technics. UWB.

OFDM -principle, modulation using IFFT. Cyclic extension and orthogonality. Non-constant amplitude problem.

Coding theory introduction. Block and convolutional codes. Turbo and concatenated codes.

Space-time coding, TCM.

Exercise in computer lab

26 hours, compulsory

Teacher / Lecturer

prof. Ing. Roman Maršálek, Ph.D.

Syllabus

Complex envelope - simulation of the baseband signals
Simulation of the optimal receiver
Simulation of synchronization
Simulation of QPSK, MQAM
DS-CDMA simulation.
OFDM simulation.