Inspec keywords: channel estimation; compressed sensing; transmitting antennas; 4G mobile communication; MIMO systems

Other keywords: spectrum-efficient superimposed pilot design; SSP; 5G wireless communications; orthogonal pilots; spatial–temporal common sparsity; downlink large-scale MIMO systems; structured compressive sensing; MIMO channel estimation; channel state information; structured subspace pursuit algorithm; transmit antennas; pilot overhead

Subjects: Mobile radio systems; Single antennas; Communication channel equalisation and identification; Signal processing and detection