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In this paper, we combine bit-interleaved coded modulation (BICM) with instantaneous relaying for the three-node relay channel. We propose a two-step optimization: The first step optimizes the relay functions for different instantaneous relaying strategies like sawtooth (ST) relaying and constellation rearrangement (CR) relaying in order to provide the highest amount of mutual information to the destination...
We propose a new compress-and-forward implementation for the relay channel based on joint source-channel coding techniques. The relay performs scalar quantization of its observation in combination with a redundant index mapping. Our system utilizes the correlation between the quantized signal and the direct-link observation of the transmitted symbols as redundancy for error protection on the relay-to-destination...
In this paper we propose a new adaptive coding scheme for distributed channel coding for the three-node relay channel. In order to make it feasible for application in wireless sensor networks, the distributed code is built from standard components like Turbo and convolutional codes, and adaptation at the relay is obtained by puncturing the input and output of the employed channel code. The proposed...
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