Kalender

• Course Information
• Introduction to Wireless Transmission Techniques
• Digital modulation methods in wireless communication Systems

Sections 4.1, 4.2, 4.3, 4.4

Problems 4.3, 4.7, 4.9, 4.11

Digital Signals over Radio Channels

• Performance of digital modulated signals over flat fading channels
• Performance of digital modulated signals over frequency selective fading channels

Section 4.5

Problems 4.10, 4.15, 4.22, 4.24

Phase/Timing synchronization

• Signal parameter estimation
• Carrier phase estimation
• Symbol timing estimation
• Performance characterization of maximum likelihood estimation

Extra notes available on the course material area

Extra problems

Equalization Techniques

• Dealing with the problem of fading multi-path channels
• Principle of time domain equalization techniques
• Linear equalization techniques
• Non-linear equalization techniques
• Frequency domain equalization

Section 4.6

Problems 4.18, 4.19, 4.26

Orthogonal Frequency Division Multiplexing (OFDM)

• Principle of OFDM
• Power spectral density of OFDM signals
• Performance of OFDM signals
• Discrete representation & implementation of OFDM systems.

Section 4.7

Problems 4.27, 4.29, 4.32, 4.33

Spread Spectrum Modulation

• Direct-sequence spread spectrum (DS-SS) systems
• Performance of DS-SS signals in different environments
• Frequency-hopped spread spectrum (FH-SS) systems
• Performance of FH-SS signals in different environments.

Sections 4.8, 7.4

Problems 4.35, 4.36, 7.11, 7.14

Convolutional Codes

• Convolutional codes and their performance on AWGN channels
• Design of channel codes for fading multi-path channels
• Performance of convolutional codes over fading channels

Sections 6.1, 6.3, 6.4

Problems 6.1, 6.2

Trellis Coded Modulation

• Principle of trellis coded modulation (TCM)
• Design of TCM for the AWGN channel
• Design of TCM for fading channels

Section 6.5

Problems 6.17, 6.22

Coding Methods with Feedback (ARQ)

• Principle of channel coding with feedback
• Performance measure of channel coding with feedback
• Pure ARQ schemes and their performance over radio channels
• Hybrid ARQ schemes

Sections 8.1, 8.2

Problems 8.1, 8.2, 8.4, 8.8

Wireless Transmission on Interference Environment

• Single user detection
• Optimum maximum-likelihood receiver
• Decorrelating receiver
• MMSE receiver
• Successive interference cancellation

Problems 7.2, 7.13, 7.15, 7.16

Advanced Antenna Systems

• Antenna diversity techniques
• Multiplexing in MIMO systems
• Space time block coding methods
• Space time trellis coding methods

Sections 5.1, 5.2, 5.3, 5.4, 5.5

Problems 5.2, 5.3, 5.5, 5.7

Problems 5.19, 5.20

Review session solving old exams