Picture of Thomas Wiegart

M.Sc. Thomas Wiegart

Technical University of Munich

Chair of Communications Engineering (Prof. Kramer)

Postal address

Theresienstr. 90
80333 München

Available Theses

Theses in Progress

Bachelor's Theses

Analysis of Polar Coded Distribution Matching

Analysis of Polar Coded Distribution Matching




Thomas Wiegart


Noah Nagi

Master's Theses

Polar Coding for Multiple Access Communications

Polar Coding for Multiple Access Communications


Multiple access channel (MAC) can be seen as the model where two or more transmitters send information to a common receiver. For instance, multiple mobile phones communicating to a base station can be modeled as a MAC. The main challenge in MAC is that the receivers may share the transmission channel in an uncoordinated way, such that their transmissions can interfere. This problem is solved in many modern communication systems by allocating orthogonal resources (like time slots or frequency bands) to the transmitters such that the interference is avoided. However, although it is a practical solution, orthogonalization is not the optimal solution if considered from an information theoretic point of view. According to the theory, non-orthogonal transmission in MAC can be beneficial in many scenarios, however for these scenarios the coding schemes should be designed carefully to benefit from the non-orthogonal communication.

Next generation cellular systems will support a multitude of services where multiple nodes are involved in the communications simultaneously, including vehicle-to-vehicle communications and massive machine communications.
For these highly challenging communication scenarios, the design of the multiple access schemes will be of practical importance. In this thesis, practical coding schemes based on polar codes for MAC should be investigated, implemented and compared to the theory and to the existing solutions.


Thomas Wiegart - Onurcan Iscan (Huawei)


Muhammed Yusuf Sener



  • Wiegart, T., Steiner, F. Schulte, P. and Yuan, P.: Shaped On-Off Keying Using Polar Codes. IEEE Communication Letters, 2019 more… Full text ( DOI )
  • Garcia, J.; Wiegart, T.: Research Activities at LNT. 2019 Workshop of the Centre of Excellence for Silicon Photonics for Optical Communications (SPOC), Aug 2019 more…
  • Wiegart, T.; Prinz, T.; Steiner, F.; Yuan, P.: Design of Polar Codes for Parallel Channels with an Average Power Constraint. IEEE International Symposium on Information Theory, Jul 2019 more…


  • Wiegart, T.; Prinz, T.; Steiner, F.; Yuan, P.: Design of Polar Codes for Parallel Channels with an Average Power Constraint. 2018 Workshop on Coding, Cooperation, and Security in Modern Communication Networks (COCO), Dec 2018 more…
  • Wiegart, T.; Steiner, F.; Prinz, T.; Yuan, P.: Polar Code Design for Parallel Channels. Munich Doctoral Seminar on Communications 2018, Jul 2018 more…


  • Wiegart, T.; Hellings, C.; Utschick, W.: Close-to-Optimal Partial Decode-and-Forward Rate in the MIMO Relay Channel via Convex Programming. 20th International ITG Workshop on Smart Antennas (WSA 2016), Mar 2016 more…