Cyclic Delay Diversity for Single Carrier FDMA with linear precoding technology

摘要

Cyclic Delay Diversity (CDD) has been considered as an improving way to obtain frequency diversity. Single Carrier FDMA (SC-FDMA) combines the advantages of the OFDMA but with lower Peak to Average Power Ratio (PAPR). In this paper we propose SC-FDMA with CDD system which achieves full diversity without data rate loss. In addition we apply linear precoding to SC-FDMA-CDD system especially in Rayleigh fading channel to further improve the BER performance.