NDLI: Oblivious Relaying for Primitive Interference Relay Channels

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Oblivious Relaying for Primitive Interference Relay Channels

Content Provider	Semantic Scholar
Author	Cwcspr, O. Simeone Erkip, Elza
Copyright Year	2010
Abstract	1Consider a relay node that needs to operate without knowledge of the codebooks (i.e., modulation, coding) employed by the assisted source-destination pairs. This paper studies the performance of relaying under this condition, termed oblivious relaying, for the primitive relay channel (PRC) and the primitive interference relay channel (PIRC). "Primitive" refers to the fact that the relay-to-destinations links use orthogonal resources with respect to the other links. Assuming discrete memoryless models, the capacity of a PRC with oblivious relaying is derived, along with the capacity region of the PIRC with oblivious relaying and interference-oblivious decoding (i.e., each decoder is unaware of the codebook used by the interfering transmitter). In all cases, capacity is achieved by Compress-and-Forward (CF) with timesharing. Performance without time-sharing is discussed as well. Finally, it is shown that for the general (non-oblivious) Gaussian PRC, the achievable rate by CF (with Gaussian inputs and test channels and no time-sharing) is suboptimal by at most half bit with respect to the cut-set bound.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://eeweb.poly.edu/~elza/Publications/izs10a.pdf
Alternate Webpage(s)	https://web.njit.edu/~simeone/izs1.pdf
Alternate Webpage(s)	http://e-collection.library.ethz.ch/eserv/eth:880/eth-880-01.pdf
Language	English
Access Restriction	Open
Subject Keyword	Codebook Compress (Compression Algorithm) Data compression Decoder Device Component Interference (communication) Modulation Node - plant part Normal Statistical Distribution PPRC1 gene Relay Device Component Relay channel TRANSMITTER (Medical Device) Time-sharing negative regulation of voltage-gated calcium channel activity positive regulation of voltage-gated calcium channel activity
Content Type	Text
Resource Type	Article

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