A Novel Analog Signal Transmission Using Joint Space-Time Transmit Diversity and Receive Antenna Diversity

Recently, we proposed a novel analog signal transmission technique called analog single-carrier transmission with frequency-domain equalization (analog SC-FDE) and showed that analog SC-FDE achieves better normalized mean square error (NMSE) performance than conventional analog signal transmission. In order to achieve further performance improvement, transmit/receive antenna diversity technique is effective. In digital wireless communications, joint space-time transmit diversity (STTD) and receive antenna diversity is well known as a promising antenna diversity technique which achieves a high diversity order (equal to the product of the number of transmit antennas and the number of receive antennas) with a simple signal processing. In this paper, analog SC- FDE using joint STTD and receive antenna diversity is proposed. A theoretical analysis of the NMSE performance is derived to evaluate the transmission performance of the proposed scheme and is confirmed by computer simulation. We show that joint STTD and receive antenna diversity can significantly improve the NMSE performance of our proposed analog SC-FDE.