Abstract
AbstractIn order to provide high quality services, current communication systems require high‐data transmission rate and good error performance. Because single‐carrier frequency division multiple access (SC‐FDMA) is with the desirable characteristics of orthogonal frequency division multiple access and the low peak‐to‐average power ratio of single‐carrier transmission schemes, it has been adopted as the uplink transmission scheme in 3GPP long‐term evolution to approach the demand for data transmission rates and error performance. By combining multiple‐input multiple‐output (MIMO) techniques with the SC‐FDMA modulation scheme, MIMO SC‐FDMA systems can achieve high data rates over broadband wireless channels. In this paper, we propose the iterative multiuser detection scheme for the low‐density parity‐check‐coded MIMO SC‐FDMA communication systems. On the basis of the property of space‐frequency block coding, we develop the frequency domain minimum mean‐squared error and zero‐forcing equalisers with multiuser interference cancellation technique on each subcarrier to recover the transmitted symbols. Some simulation examples for uplink scenario are given to demonstrate the effectiveness of the proposed schemes. Copyright © 2014 John Wiley & Sons, Ltd.
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