Abstract

A new distributed space-time coding (DSTC) scheme is proposed based on a modified cooperation protocol. Comparing the conventional DSTC, the proposed DSTC scheme adopts fewer relay nodes, which can be a flexible scheme when relay nodes are limited. As also shown in the error performance, the proposed DSTC outperforms the conventional DSTC owning to less noise enhancement. Additionally, the proposed DSTC scheme is more economic than the conventional DSTC in spending resource to synchronize the relay network.

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