- incl. links to www-materials

Invocom materials


Model Questions


Literature, Course folder

Study Guide description


TLT-5806 Receiver Architectures and Signal Processing   

Fall 2006 (not yet current implementation)

Tentative Schedule

Updated 16.11. 2006

0. Introduction

30.8. Markku Renfors/TUT 

  • Arrangements, requirements
  • Motivation, some background & scope; Software Radio and Cognitive Radio concepts

1. Receiver Architectures  (see also related Invocom-materials)

30.8., 6.9. Markku Renfors/TUT

  • Real and complex (I/Q) mixing
  • Superheterodyne, direct conversion, and low IF architectures
  • Critical issues in receiver front-end design
  • Effects of I/Q imbalance
  • Noise figure
  • Nonlinearities, intermodulation
  • Dynamic range; principles of system calculations
  • Oscillator phase noise

 2. Review of Multirate Digital Signal Processing  (see also related Invocom-materials)

6.9., 13.9., 20.9. Markku Renfors & Mikko Valkama/TUT

  • FIR and IIR filters
  • Sampling rate conversion: decimation, interpolation
  • Polyphase structure
  • Efficient FIR filter structures for decimation and interpolation
  • Efficient IIR filter structures for decimation and interpolation
  • CIC-filter

3. Sampling and Multirate Techniques for Complex and Bandpass Signals (see also related Invocom-materials)

13.9., 20.9. Markku Renfors & Mikko Valkama/TUT

  • Complex (I/Q) signals and systems
  • Real and I/Q-mixing
  • Sampling and multirate techniques for real and complex bandpass signals
  • Complex filter banks
  • Quantization noise and sampling jitter in AD-conversion
  • Problems of wideband sampling in communication systems
  • Sigma-delta A/D conversion principle

4. Receiver Architectures - Part 2  (see also related Invocom-materials)

27.9., 4.10. Markku Renfors/TUT

  • GSM case study: requirements for sampling, A/D-conversion, and digital filtering for GSM in a wideband sampling case
  • Baseband, IF, and RF sampling principles
  • Alternative receiver architectures based on wideband/bandpass sampling
  • DSP aspects in flexible receivers
  • Channel selection filtering and downconversion approaches
  • NCO's
  • Choice of sampling rate and IF frequency

5. Critical issues in transmitter signal processing, Power Amplifiers, Multicarrier Systems and PAPR Problem

4.10. Markku Renfors/TUT

  • Transmitter and receiver co-existence; effect of duplexing methods
  • Basic transmitter architectures
  • Power amplifier considerations: Peak-to-average power ratio issues, overview of PA linearization methods

6. Frequency synthesis techniques

18.10. Markku Renfors

7. Advanced I/Q Signal Processing (This part only in course folder) (see also related Invocom-materials)

25.10., 1.11. Mikko Valkama/TUT

  • Signal analysis for I/Q imbalance effects
  • DSP techniques for I/Q imbalance compensation
  • I/Q signal processing in frequency synthesis

8. Synchronization in Receivers

8.11. Markku Renfors/TUT

  • Requirements for carrier recovery and symbol timing recovery
  • Different synchronizer types
  • Performance criteria
  • Basics of Maximum Likelihood estimation theory
  • All-digital ML-based symbol timing and carrier recovery methods

9. Polynomial-Based Interpolation Filters for DSP Applications, related Matlab m-file

15.11. Vesa Lehtinen/TUT

  • Polynomial-based interpolation, Farrow-structure
  • Fractional delay filters
  • Lagrance interpolation, frequency domain optimized designs
  • Applications
  • Matlab demo

10. Other topics, Wrap-up

22.11. Markku Renfors/TUT

A1. Exercises This includes the additional exercise problems presented during the lectures. Solutions to all these exercises are available in the course folder.