Course Introduction to Digital Communications 1

Responsible: Prof. Dr.-Ing. Harald Elders-Boll


Meets requirements of following modules(MID)

Course Organization

created 2011-12-02
valid from WS 2012/13
valid to
Course identifiers
Long name Introduction to Digital Communications 1
CEID (exam identifier)

Contact hours per week (SWS)
Lecture 2
Exercise (unsplit)
Exercise (split) 2
Lab 1
Total contact hours
Lecture 30
Exercise (unsplit)
Exercise (split) 30
Lab 15
Tutorial (voluntary)
Max. capacity
Exercise (unsplit)
Exercise (split) 40
Lab 18
Project 18
Seminar 40

Total effort (hours): 150

Instruction language

  • German, 80%
  • English, 20%

Study Level

  • Undergraduate


  • Basic Matlab skills
  • Basic knowlegde of signals and systems

Textbooks, Recommended Reading

  • Johnson, Sethares, Klein: "Software Receiver Design", Cambridge University Press, 2011
  • Sklar: „Digital Communications“, Prentice Hall, 2001
  • Roppel: „Grundlagen der digitalen Kommunikationstechnik“, Hanser 2006
  • Proakis: „Digital Communications“, McGraw, 2000


  • Prof. Dr.-Ing. Harald Elders-Boll

Supporting Scientific Staff

  • Dipl.-Ing. Martin Seckler

Transcipt Entry

Introduction to Digital Communications 1


oE normal case (large number of assessments: wE)

Total effort [hours]
oE 10

Frequency: 2-3/year

Course components



  • Fundamentals of Digital Communication Systems
    • Basic Concepts
      • Elektromagnetic Spectrum
      • Bandwidth
    • General Model for Digital Communication Systems
      • Upconversion at the Transmitter
      • Linear Filters
      • Downconversion at the Receiver
      • Analog Core of A Digital Communication System
      • Sampling at the receiver
      • Pulse Shaping
      • Synchronization
      • Equalization
      • Decisions and Error Measures
      • Example for a Digital Communication System
    • Basic Elements of Digital Communication Systems
      • Oscillators
      • Linear Filters
      • Samplers
      • Static Nonlinearities
      • Adaptation
  • Modelling Corruption
    • Interference
    • Noise
      • narrowband
      • wideband
    • Lniear Distortion
      • Multipath Transmission
    • Frequency Shift
      • Doppler Effect
      • Oscillator Inaccuracies
  • Baseband Transmission
    • Simplified Blockdiagram for Baseband Transmission
    • Segmentation and Reassambly
    • Digitale Baseband Modulation
      • Bits to Symbols
      • Symbolen to Signals
    • Receive Filtering
      • Matched-Filter: the Optimum Receive Filter
      • Intersymbol Interference
      • Eye Diagrams
      • The first Nyquist-Criterion
    • Frame Synchronization
  • Linear Equalization
    • Frequency-selective Channels
    • Least-Squares Linear FIR Equalization
    • Adaptive linear FIR Equalization
      • LMS-Algorithmus
      • Constant-Modulus-Algorithmus

Acquired Skills
  • Ability to understand and explain the general structure of communication systems
  • Ability to compare the performance of different communication systems
  • Ability to transfer knowledge of digital communications systems into practical problem solving
  • Ability to simulate digital communication systems with simulation software packages

Additional Component Assessment

fAP 2-3 tests, 20% of final course grade

Contribution to course grade
fFA 2-3 tests, 20% of final course grade

Frequency: 1/Jahr



Acquired Skills
  • Ability to analyse and simulate digital communication systems
  • Ability to compare different methods for baseband transmission and equalisation

Operational Competences
  • Implementation of a digital communicatin system within a simulation tool
  • Carry out simulations
  • Classify and evaluate simulation results
  • Cary out measurements with existing simulation models

Additional Component Assessment

fSC 2 -3 lab experiments (4h each)

Contribution to course grade
fSC Attestation, prerequisite to course exam

Frequency: 1/Jahr

Topic-Revision: r3 - 11 Jan 2016, GeneratedContent
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