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Multiple input, multiples output (MIMO)-constant envelop modulation (CEM), has been proposed to be an efficient power alternative transceiver system to MIMO-OFDM. To attain a high power efficient MIMO transceiver, MIMO-CEM uses a constant envelope modulation at the transmitter (TX) side and an intermediate frequency (IF) based 1-bit ADC in the receiver (RX) side. Despite MIMO-CEM introduces low power...
Magnetic resonance imaging is one of the most accurate imaging techniques that can be used to detect several diseases, where other imaging methodologies fail. Long scanning time is one of most serious drawback of the MRI modality. Compressed sensing contributed in solving this drawback and decrease the acquisition time of MRI images by reducing the quantity of the measured data that are desirable...
In this paper, a low complexity MIMO detection is proposed for MIMO-Constant Envelope Modulation (MIMO-CEM) transceiver system. In which, an adaptive sphere decoder (SD) based on an affine linear transformation model is proposed to adaptively select a small number of candidate sequences from all lattice states. Then, the more accurate (the more complex) IF based maximum likelihood MIMO-CEM decoder...
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