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"Writing on dirty paper" refers to the communication problem over a channel with both noise and interference, where the interference is known to the encoder non-causally and unknown to the decoder. This problem is regarded as a basic building block in communication, and it has been extensively investigated by Costa and other researchers. However, little is known in the case that the encoder...
In this paper, we propose a capacity-achieving feedback scheme for an AWGN i.i.d. flat fading channel with channel state information. This scheme considerably reduces the encoding and decoding complexity and delay, and it extends the Schalkwijk and Kailath scheme to i.i.d. time-varying channels.
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