LR-Aided Linear Detection Combined with Adaptive QRD-M in MIMO-OFDM Systems: LR-Aided Linear Detection Combined with Adaptive QRD-M in MIMO-OFDM Systems. (2026). Al-Rafidain Engineering Journal (AREJ), 31(3), 72-83. https://doi.org/10.33899/arej.v31i3.61893