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- Agrell, Erik, 1965, et al.
(författare)
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First-order asymptotics of the BICM mutual information: Uniform vs. nonuniform distributions
- 2012
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Ingår i: Information Theory and Applications Workshop (ITA) 2012, San Diego, CA [Invited]. - 9781467314732 ; , s. 306 - 310
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Konferensbidrag (refereegranskat)abstract
- A linear, invertible transform is defined between two vectors or matrices as a tool for analyzing the bit-interleaved coded modulation (BICM) mutual information in the wideband regime. The transform coefficients depend on a set of real values, which can be interpreted as probabilities. The transform relates any BICM system with a nonuniform input distribution to another BICM system with a uniform distribution. Numerical evidence suggests that the two systems have the same first-order behavior, which would make possible to analyze nonuniform BICM systems based on known properties of uniform BICM systems.
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