Czech

Not applicable.

The gradueat of the course is able to:
- describe the basic hardware resources for the software defined radio implementation
- compute the number representation of real number in various fixed point formats
- create a program for FPGA that implements the basic blocks of software defined transmitter
- choose the architecture for FIR filter implementation with respect to implementation requirements
- describe the bit loading algorithm for OFDM systems
- discuss possible solutions for interpolation and decimation of signalsin software transceivers
- explain the principle of CORDIC algorithm and its application in software defined radios

Student who register the course should be able to:
- compose a simple program in MATLAB environment
- synthesize simple FIR filter
- mathematically describe signals of basic digital modulations (PSK, QAM)
- discuss the basic terminology of signal processing
- discuss the advantages and disadvantages of communication technologies

Not applicable.

Teaching methods include lectures and computer laboratories with the use of FPGA development kits.

up to 30 points for computer lab in-class excercises (points are assigned for elaboration of project and its presentation)
up to 70 points for exam (written 50 points + oral part 20 points)
The final exam consists of complusory written and optional oral part. In order to procced for oral part, student has to get at least 20 points in the wrriten part

Letures:

1. Software defined radio concepts, architectures of transceivers, bandpass sampling
2. Number representation, arithmetic in fixed point, CORDIC algorithm
3. FFT algorithms, DSP lib llibrary, vector signal analysis
4. Hardware resources for SDR implementation - DSP, FPGA
5. software resources for simulation and implementation in FPGA and DSP, Core generator, System generator, VHDL introduction
6. Sampling rate conversion, CIC filters
7. Non integer sampling rate change, Farrow interpolator
8. Digital filters and their FPGA implementation
9. Basic blocks for DSP in FPGA, frequency synthesis, mixers
10. Algorithms for synchronization and equalization in software radios
11. Signal processing in OFDM systems
12. From software to cognitive radios, dynamic spectrum allocation

computer lab in-class excercises:

1. Simulation of basic building blocks of SDR - fixed point arithmetics, DDS, filters (Xilinx ISE)
2. Simulation of FM demodulator, including CORDIC algorithm (Xilinx ISE)
3. Implementation of FM demodulator in SDR USRP N200 (Xilinx ISE, GNU radio)
4. Simulation of complex FSK digital receiver - synchronization, demodulation ... (Matlab)
5. Implementation of BPSK/QPSK modulator including Raised cosine filter in the FPGA kit, analysis using a vector signal analyzer (Xilinx ISE)
6. Decimation and interpolation - simulation of a fractional resampler (Farrow interpolator) (Matlab)
7. CIC filters for decimation and interpolation (Matlab+Xilinx ISE)
8. Simulation of preamble-based synchronizer for IEEE 802.11a preambles - Schmidl-Cox and Min algorithm (Matlab)

Not applicable.

The aim of the course is to get the students familiar with a concept and use of software radio principle. The aim of the computer experiments is to gain practical experiences with the implementation of basic communication chain building blocks. Students will get familiar with available software resources for the signal processing implementation.

Computer lab in-class excercises are compulsory.

Not applicable.

Not applicable.

KENNINGTON, P.B., RF and baseband techniques for software defined radio, Artech House, 2005 (EN)

Not applicable.