Reduced-RF-Chain Aided Soft-Decision Multi-Set Steered Space-Time Shift-Keying for Millimeter-Wave Communications

Reduced-RF-Chain Aided Soft-Decision Multi-Set Steered Space-Time Shift-Keying for Millimeter-Wave Communications

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Soft-decision-aided multi-set steered space-time shift keying intrinsically amalgamated with channel coding is proposed in order to attain near capacity-performance.Multi-set space-time shift keying (MS-STSK) is a multiple-input multiple-output scheme, which combines the concepts of spatial modulation (SM) and STSK for the sake of achieving high data rates and enhanced system integrity.Furthermore, an MS-STSK is combined with orthogonal frequency-division multiplexing (OFDM) as well as single-copyright frequency domain equalization (SC-FDE) and additionally ALKALINE PITCHER BLACK enhanced by analog beamforming in order to support communications at millimeter-wave (mmWave) frequencies.Given that OFDM-based SM systems cannot directly benefit from the reduced number of RF chains of SM due to the spreading effects of the fast-Fourier transform and they suffer from a high peak-to-average power ratio, we opt for employing the SC-based arrangement.The soft-decision-aided detector of the SC-based MS-STSK is Urinal Screens combined with recursive systematic convolutional encoding and iterative detection at the receiver side in order to achieve excellent performance within 1.

1 dB and 1.4 dB, respectively, from the capacity limit for the soft-decision MS-STSK system and within 1.1 dB from the capacity limit for the SC-FDE-aided soft-decision MS-STSK.We also use extrinsic information transfer charts for analyzing our systems and evaluate their achievable rates.