Intelligent Reflecting Surface Assisted Transceiver Quadrature Spatial Modulation

In this letter, we employ quadrature spatial modulation (QSM) in both transmitter and receiver with the assistance of an intelligent reflecting surface (IRS), which we refer to as IRS-transceiver QSM (IRS-TQSM). In the compressive sensing (CS) framework, we cast the receiver processing as a sparsity recovery problem and propose a low-complexity algorithm by coupling the energy detector (ED) with convex programming (CP), referred to as ED-CP. The out-performance of the proposed IRS-TQSM with ED-CP compared to closely related works is demonstrated with numerical results.