Joint Transceiver Design for Amplify-and-Forward Multiuser MIMO Relay Communication Systems with Source-Destination Links
In this paper, we generalize the iterative algorithms proposed in [6] to amplify-and-forward multiuser multiple-input multiple-output (MIMO) relay communication systems with the source-destination links. Compared with [6], where the source-destination links are ignored, the evolved Tri-Step method a...
| Main Authors: | , , , , |
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| Format: | Journal Article |
| Published: |
ETPub
2015
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| Subjects: | |
| Online Access: | http://www.jocm.us/index.php?m=content&c=index&a=show&catid=148&id=827 http://hdl.handle.net/20.500.11937/26370 |
| Summary: | In this paper, we generalize the iterative algorithms proposed in [6] to amplify-and-forward multiuser multiple-input multiple-output (MIMO) relay communication systems with the source-destination links. Compared with [6], where the source-destination links are ignored, the evolved Tri-Step method and Bi-Step method are derived for the new system model with the source-destination links for more spatial diversity gain. From the theoretical derivation of the minimum mean-squared error (MMSE) of the signal waveform estimation at the destination node, we show that the existence of the source-destination links bring benefits no matter how weak they are. Numerical examples demonstrate that the evolved algorithms perform much better than the original algorithms in [6] and other existing ones in terms of both MSE and bit-error-rate (BER). |
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