Joint Source-Channel Decoding ASIP Architecture for Sensor Networks

Authors:
Pablo Ituero;Gorka Landaburu;Javier Ser;Marisa López-Vallejo;Pedro M. Crespo;Vicente Atxa;Jon Altuna
Affiliations:
ETSIT, Universidad Politécnica de Madrid,;Mondragon Unibertsitatea,;CEIT and TECNUN, University of Navarra,;ETSIT, Universidad Politécnica de Madrid,;CEIT and TECNUN, University of Navarra,;Mondragon Unibertsitatea,;Mondragon Unibertsitatea,
Venue:
ICESS '07 Proceedings of the 3rd international conference on Embedded Software and Systems
Year:
2007

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Abstract

In a sensor network, exploiting the correlation among different sources allows a significant reduction of the transmitted energy at the cost of a complex decoder scheme. This paper introduces the first hardware implementation for joint source-channel decoding of correlated sources. Specifically, a dual-clustered VLIW processor with a highly optimized datapath is presented.