Course detail
Wireless Communication Theory
FEKT-NTRKAcad. year: 2012/2013
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
Number of ECTS credits
Mode of study
Guarantor
Department
Offered to foreign students
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
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
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Recommended reading
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
Wireless communication signals. Power efficiency. Bandwidth efficiency. Error rate and E/N ratio. The equivalence of band-pass and low-pass. Line codes. Complex envelope.
Decision theory. Detection of signals. Additive white Gaussian noise channel. Antipodal signals. Detection of binary signals.
Inter symbol interference. Signal shaping. Receiver filter, transmitter filter. Equalizers.
Fading. Fading channel characteristics. Classification of the channels. Fading envelope distributions. Diversity techniques.
PSK, BPSK, DPSK. Waveforms, power spectral densities, constellations. Modulation and demodulation, error probability.
QPSK, OQPSK. Waveforms, power spectral densities, constellation diagrams, modulation, demodulation. Carrier recovery, clock recovery.
MSK. Power spectrum and bandwidth, modulation and demodulation, error probability, synchronisation.
CPM. The description, the trellis, the power spectral density, modulation, demodulation, synchronisation.
QAM. Power spectral densities, detection and error probability. Modulation and demodulation, synchronisation.
OFDM. Modulation using IFFT. The cyclic extension and orthogonality. A non-constant amplitude problem.
Spread spectrum systems. Direct sequence systems. Suppression of the undesirable signal. Rake receivers. Diversity. Frequency hoping.
Spreading sequences for CDMA and FH.
Space-time coding. UWB.
Exercise in computer lab
Teacher / Lecturer
Syllabus
Simulation of the bandpass signals.
Simulation of the frame synchronisation.
Modelling of the fading and diversity receptions.
Phase keying. Passing keying signals through the wireless channel, demodulation.
QPSK. MQAM. Passing keying signals through the wireless channel, demodulation.
OFDM. CDMA. Passing keying signals through wireless channels, demodulation.