PARGAR: Pilot-Aware Graph Attention for Sparse-Pilot Neural OFDM Receivers

Sajedeh Norouzi, Mostafa Rahmani Ghourtani, Eric Samikwa +1

Reliable channel estimation and symbol detection in 5G New Radio (NR), as well as emerging 6G radio systems, rely on demodulation reference signals (DMRS). The density and placemen…