258 citations
- University of LuxembourgLU7 papers
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6 papers · 1 filter
DeepMUSIC: Multiple Signal Classification via Deep Learning
Ahmet M. Elbir
This letter introduces a deep learning (DL) framework for direction-of-arrival (DOA) estimation. Previous works in DL context mostly consider a single or two target scenario which…
V-Shaped Sparse Arrays For 2-D DOA Estimation
Ahmet M. Elbir
This paper proposes a new sparse array geometry for 2-D (azimuth and elevation) DOA (direction-of-arrival) estimation. The proposed array geometry is V-shaped sparse array and it i…
Hybrid Precoding for Multi-User Millimeter Wave Massive MIMO Systems: A Deep Learning Approach
Ahmet M. Elbir, Anastasios Papazafeiropoulos
In multi-user millimeter wave (mmWave) multiple-input-multiple-output (MIMO) systems, hybrid precoding is a crucial task to lower the complexity and cost while achieving a sufficie…
A gradient-robust well-balanced scheme for the compressible isothermal Stokes problem
Mine Akbas, Thierry Gallouet, Almut Gassmann +2
A novel notion for constructing a well-balanced scheme - a gradient-robust scheme - is introduced and a showcase application for a steady compressible, isothermal Stokes equations…
Jordan Derivations of Special Subrings of Matrix Rings
Umut Sayın, Feride Kuzucuoğlu
Let be a 2-torsion free ring with identity and be the ring of all matrices over such that the entries on and above the main diagonal are elements o…
Lie Derivations of a Matrix Ring over an Associative Ring
Umut Sayın, Feride Kuzucuoğlu
Let be a 2-torsion free ring with identity. We give a description of the Lie derivations of , the ring of all matrices over suc…