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The Wireless Communication Networks Section Department of Electronic Systems

PhD defence Sajad Rezaie

PhD Defence

Machine Learning Solutions for Context Information-aware Beam Management in Millimeter Wave Communications

Fredrik Bajers Vej 7, room A4-108

16.05.2023 14:00 - 17:00

  • English

  • Hybrid

Fredrik Bajers Vej 7, room A4-108

16.05.2023 14:00 - 17:00

English

Hybrid

The Wireless Communication Networks Section Department of Electronic Systems

PhD defence Sajad Rezaie

PhD Defence

Machine Learning Solutions for Context Information-aware Beam Management in Millimeter Wave Communications

Fredrik Bajers Vej 7, room A4-108

16.05.2023 14:00 - 17:00

  • English

  • Hybrid

Fredrik Bajers Vej 7, room A4-108

16.05.2023 14:00 - 17:00

English

Hybrid

The PhD defence will be carried out in hybrid format, meaning you can join on location or online:

Location: Fredrik Bajers Vej 7, room A4-108

Online via this link:  Klik her for at deltage i mødet - Meeting-id: 125 438 251 5

After the defence there will be a reception in the foyer at Fredrik Bajers Vej 7A – all are welcome!

Abstract

Context information (CI)-aware beam management solutions have provided promising performance. We propose a location- and orientation-aware beam selection framework, which uses machine learning (ML) power for leveraging the CI. We propose several deep neural network (DNN) architectures for the ML model, which are suitable for different amounts of training samples due to including different numbers of trainable parameters. Evaluations with hand-held multi-panel devices reveal the usefulness of the terminal location and orientation for ML-enabled beam and panel selection, which provides certainty in the performance offered by the ML for more realistic configurations. In another study, the self-blockage impact on the context-aware beam selection approach is evaluated. Due to the strong relation between hand blockage effects and terminal orientation, context-aware methods can leverage the orientation information to recommend beams with the lowest possibility of blockage. Furthermore, we use the transfer learning technique to reduce the concern about the generalization and scalability aspects of context-aware ML-based solutions. In addition, this thesis proposes a novel device-agnostic beam selection framework that enables the use of a generic ML model for different device codebooks/antenna configurations.

Attendees

in the defence
Assessment committee
  • Associate Professor, Wei Fan, Aalborg University (Chairman)
  • Professor, Elza Erkip. New York University (NYU), New York, USA
  • Professor, Stephan ten Brink. University of Stuttgart, Germany
PhD supervisors
  • Associate Professor, Carles Navarro Manchón, Aalborg University
  • Professor, Elisabeth de Carvalho, Aalborg University
Moderator
  • Associate Professor, Troels Pedersen, Aalborg University