Single carrier frequency domain equalization and diversity combining for cooperative systems |
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| Authors: | Xiong Haitao Xu Jing Wang Ping |
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| Affiliation: | 1. Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, P.R.China
2. Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, P.R.China;Shanghai Research Center for Wireless Communications, Shanghai 200050, P.R.China |
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| Abstract: | A low-complexity single carrier frequency-domain equalizer (SC/FDE) and diversity combining method for cooperative systems with demodulate-and-forward relaying over frequency-selective channels is proposed. At the relay nodes, linear SC/FDE is adopted and normalized correlation coefficient is introduced to derive an equivalent source-to-relay-destination (S-R-D) channel that is highlighted in this study. At the destination, a joint SC/FDE and diversity combining receiver is proposed by utilizing the equivalent S-R-D channel. Simulation results demonstrate the superiority of the proposed SC/FDE scheme over the straightforward SC/FDE which ignores the decisions errors at the intermediate relay nodes. |
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| Keywords: | demodulate-and-forward single carrier frequency-domain equalization (SC/FDE) relay channel cooperative diversity |
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