Telecommunications I Thorsten Herfet, Kelvin Chelli



Reminder Today!!

Exam Inspection for TC1 takes place today from 9:30 to 11:30 in C6.3 Room 10.05. 


Exam inspection date

A date for the exam inspection for both TC1 exams has been set.

It will take place on Tuesday 16th May (5/16/2017) 9:30 to 11:30 in C6.3 Room 10.05


Re-Exam Results

Re-Exam results are now available on your CMS account. Good luck in the new semester !


Reminder: HISPOS Registration

Please remember to register in HISPOS if you plan to take the re-exam of TC1. 


Reminder Today!!

TC Re-Exam Preparation session

Location: C6.3 Room: 9.05

Time: 12:15


Location Changed: TC1 Re-exam Preparation

Date: Wednesday 29th March at 12pm,

Location: C6.3 Room: 9.05

Prof. Herfet will give some tips about exam preparation for those who will be taking the re-exam of TC1. 


Tc1 Results

The results for the TC1 Main Exam have been published on CMS. 



The exam for TC1 will be held on Wednesday 22nd February 2017 at E1.3 HS 003.



Reminder: HISPOS Registration

Please register in HISPOS to be able to participate for the TCI exam.


Mock Exams

The mock exams can be found in the materials section.


Task Sheet 9

Task sheet 9 has been revised according to the progress of the lecture this week. Please use the revised version. 


Bonus Task Task Sheet 7

Dear All,

The video link on You Tube for the bonus task in TS 7 is broken. The video was available until December 15, 2016. I will try to modify the task with a suitable track in one of the upcoming task sheets. Thanks for your co-operation. 


Exam Dates

The exam dates are fixed now. See the website for further information.


Task Sheet 5 Points

The points distribution for Task Sheet 5 is updated. Good luck.


Lecture Hall Change on Nov 16, 2016

Due to the National IT summit occupying the lecture halls in E1.3 on Nov 16, 2016, the lecture will be held in C6.3 Room: 9.08. 


Matlab Submissions

The Matlab submissions for Task sheet 1 is now enabled. After you log in to your CMS account, navigate to "Personal Status" where you can hand in your solutions. Please ensure that you only submit matlab files and before Tuesday, 08 November 2016 before 1215. 


Matlab Toolbox

The Matlab toolbox is now uploaded on the CMS. Have Fun!

  • The first exercise sheet will be uploaded to the CMS on Tuesday, Nov 01, 2016 at 1200. 
  • The Matlab introductory session will be held on Thursday, Nov 03, 2016 at 0830 in C6.3 ,9.05.

First Lecture

The first Lecture will be held on 25 Okt. 2016 at 12:15 at E1 3/001

Show all

Quick Links

Course Details


Digital Signal Transmission and Signal Processing refreshes the foundation that you have layed in "Signals and Systems / Signale und Systeme". We will, however, include the respective basics so that the various facettes of your introductory study period (Bachelor in Computer Science, Vordiplom Computer und Kommunikationstechnik, Elektrotechnik or Mechatronik) and the potential main study period (Master in Computer Science, Diplom Ingenieur Computer und Kommunikationstechnik or Mechatronik) will be payed respect to.

As the basic principle the course will give an introduction into the various building blocks that modern telecommunication systems do incorporate. Sources, sinks, source and channel coding, modulation and multiplexing are the major keywords but we will also deal with dedicated concepts like A/D- and D/A-converters and quantizers in a little bit more depth.

The course will refresh the basic transformations (Fourier, Laplace) that give access to system analysis in the frequency domain, it will introduce derived transformations (z, Hilbert) for the analysis of discrete systems and modulation schemes and it will briefly introduce algebra on finite fields to systematically deal with error detecting and correction schemes that play an important role in modern communication systems.


"Digital Transmission and Signal Processing" is a course during the main study period and by such requires a solid foundation of mathematics (differential and integral calculus) and probability theory. The course will, however, refresh those areas indispensibly necessary for telecommunications and potential intensification courses and by this open this potential field of intensification to everyone of you.

Course Structure

Basic Rules

  • Please note that small changes and corrections will be applied to the lecture notes throughout the semester. If you find mistakes or have suggestions how to enhance the lecture notes we appreciate your input! 
  • Please don’t hesitate to tell us if you have any comments or suggestions related to lecture notes, task sheets, exercises or even organization things. We will improve it soon so you can benefit from it, not only future students.
  • Task sheet solutions must be handwritten (except source code submissions) and detailed.
  • Only solutions which are non-alterable can be handed back to the students during the exercises.
  • All task sheet solutions are collected and kept as relevant to the examination (it is your own duty to create a copy for your records).
  • You may not submit task sheets in groups, but working in groups is okay; please indicate who you worked with.

Exam Dates:

  • February 22nd, 2017 9:00 - 11:00 (Main exam)
  • April 12th, 2017 8:30 - 10:30 (Re-Exam)

Exercise Group

  • Place: Campus C6. 3. Room: 9.05
  • Time: Thursday 0830-1000
  • During the exercises you will be asked to demonstrate your understanding of the task sheet problems
  • You are free to attend your preferred exercise group.

Task Sheets

  • Task sheets are due Tuesdays before the lecture.
  • Task sheets can be handed in either
    • in the lecture hall on the front desk
    • in the letter box of the Telecommunications Chair in C6.3 (10th floor, foyer – please do NOT use the letter box at the ground floor of building C6.3!)
    • at the Telecommunications Chair, C6.3, Office 10.06
  • Task sheets are issued on Tuesdays after the lecture and are available online.
  • The task sheets for this course will be divided into two parts. It is necessary to pass both the blocks individually to be eligible for the exam. 
  • Matlab Solutions have to be submitted via CMS.


  • Task Sheets:
    • Task sheets are worth 40 points total.
    • 30 points per task sheet are solved at home, 10 points during the tutorial.
    • You need > 50% (at least 21 points) of correct answers for a task sheet to pass this task sheet.
    • You need > 50% passed task sheets to pass a block (so 4 out of 6) for exam admission blocks A and B have to be passed.
  • Exam:
    • Exam contains 5 problems (each 10 points), solving 4 of them is sufficient for a 100% passing grade.
    • Minimum point threshold per exam task is 3 points.
    • Faultless solutions are rewarded with 3 points.
  • Schedule
    • February 22nd, 2017 9:00 - 11:00 (Main exam)
    • April 12th, 2017 8:30 - 10:30 (Re-Exam)

Mailing List

  • We have prepared a mailing list for you at
  • You may use this mailing list to ask and discuss questions concerning the lecture and / or task-sheets with your fellow students. The mailing list is supervised by your tutors.


  • Since March 2012 the UdS has a MATLAB campus license which can be used by all university students for non-commercial purposes.
  • CIP pool at Saarland university provides acces
  • SSUM Signals and Systems Using Matlab package: a collection of demonstrations and exploratory applications for signal processing. It demonstrates extensively the concept of convolution, Fourier Analysis, FIR and IIR filters, modulation and much more. To use all examples the Matlab "Signal Processing Toolbox" is required (available in the CIP-room and included in Campus License).


Proakis, John G. and Salehi, Masoud: "Communications Systems Engineering", 2nd Edition, 2002, Prentice Hall, ISBN = {0-13-061793-8}

Oppenheim, Alan and Willsky, Alan: "Signals & Systems", 2nd Edition, 1997, Prentice Hall, ISBN = {0-13-814757-4}

Göbel, J.: "Kommunikationstechnik", Hüthig Verlag Heidelberg, 1999, ISBN = {3-82-665011-5}

Ohm, J.-R. und Lüke H.D.: "Signalübertragung", 2004, Springer, ISBN = {3-54-022207-3}

John G. Proakis: "Digital Communications", McGraw Hill Higher Education, 2001, ISBN = {0-07-118183-0}

Bernd Friedrichs: "Kanalcodierung", Springer, 1995, ISBN = {3-54-059353-5}

Papoulis, A.: "Probability, Random Variables and Stochastic Processes", 1965, McGraw-Hill, ISBN = {0-07-119981-0}

Claude E. Shannon, Warren Weaver: "The Mathematical Theory of Communication", University of Illinois Press, 1963, ISBN = {0-25-272548-4}


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