Turbo NOC: a framework for the design of network-on-chip-based turbo decoder architectures

  • Authors:
  • Maurizio Martina;Guido Masera

  • Affiliations:
  • Dipartimento di Elettronica, Politecnico di Torino, Torino, Italy;Dipartimento di Elettronica, Politecnico di Torino, Torino, Italy

  • Venue:
  • IEEE Transactions on Circuits and Systems Part I: Regular Papers
  • Year:
  • 2010

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Abstract

This paper proposes a general framework for the design and simulation of network-on-chip-based turbo decoder architectures. Several parameters in the design space are investigated, namely, network topology, parallelism degree, the rate at which messages are sent by processing nodes over the network, and routing strategy. The main results of this analysis are as follows: 1) the most suited topologies to achieve high throughput with a limited complexity overhead are generalized de Bruijn and generalized Kautz topologies and 2) depending on the throughput requirements, different parallelism degrees, message injection rates, and routing algorithms can be used to minimize the network area overhead.