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Joint Source-Channel Cooperative Transmission over Relay-Broadcast Networks

Author(s): Gunduz, Deniz; Erkip, Elza; Goldsmith, Andrea; Poor, H Vincent

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dc.contributor.authorGunduz, Deniz-
dc.contributor.authorErkip, Elza-
dc.contributor.authorGoldsmith, Andrea-
dc.contributor.authorPoor, H Vincent-
dc.date.accessioned2024-01-11T15:04:26Z-
dc.date.available2024-01-11T15:04:26Z-
dc.date.issued2012en_US
dc.identifier.citationGunduz, Deniz, Erkip, Elza, Goldsmith, Andrea, Poor, H Vincent. (2012). Joint Source-Channel Cooperative Transmission over Relay-Broadcast Networksen_US
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1zp3w080-
dc.description.abstractReliable transmission of a discrete memoryless source over a multiple-relay relay-broadcast network is considered. Motivated by sensor network applications, it is assumed that the relays and the destinations all have access to side information correlated with the underlying source signal. Joint source-channel cooperative transmission is studied in which the relays help the transmission of the source signal to the destinations by using both their overheard signals, as in the classical channel cooperation scenario, as well as the available correlated side information. Decode-and-forward (DF) based cooperative transmis sion is considered in a network of multiple relay terminals and two different achievability schemes are proposed: i) a regular encoding and sliding-window decoding scheme without explicit source binning at the encoder, and ii) a semi-regular encoding and backward decoding scheme with binning based on the side information statistics. It is shown that both of these schemes lead to the same source-channel code rate, which is shown to be the source-channel capacity in the case of i) a physically degraded relay network in which the side information signals are also degraded in the same order as the channel; and ii) a relay-broadcast network in which all the terminals want to reconstruct the source reliably, while at most one of them can act as a relay.en_US
dc.language.isoen_USen_US
dc.rightsAuthor's manuscripten_US
dc.titleJoint Source-Channel Cooperative Transmission over Relay-Broadcast Networksen_US
dc.typeJournal Articleen_US
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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