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- W399150226 abstract "We consider the Gaussian $N$-relay diamond network, where a source wants to communicate to a destination through a layer of $N$-relay nodes. We investigate the following question: What fraction of the capacity can we maintain by using only $k$ out of the $N$ relays? We show that in every Gaussian $N$-relay diamond network, there exists a subset of $k$ relays which alone provide approximately a fraction $frac{k}{k+1}$ of the total capacity. The result holds independent of the number of available relay nodes $N$, the channel configurations and the operating SNR. The approximation is within $3log N+3k$ bits/s/Hz to the capacity." @default.
- W399150226 created "2016-06-24" @default.
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- W399150226 date "2010-01-01" @default.
- W399150226 modified "2023-09-23" @default.
- W399150226 title "Network Simplification: the Gaussian N-Relay Diamond Network" @default.
- W399150226 hasPublicationYear "2010" @default.
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