Titlebook: Information, Coding and Mathematics; Proceedings of Works Mario Blaum,Patrick G. Farrell,Henk C. A. Tilborg Conference proceedings 2002 Spr

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On Graph Constructions for LDPC Codes by Quasi-Cyclic Extension,degrees of the nodes, while increasing graph size and girth. Algebraic QC extension graphs are described in which automorphisms of the seed graph are purposefully preserved in the extension. The girth of the extension graph will be as least as great as for the seed while the “design rate” of the cod

CHURL

On the Channel Memory-Diversity Tradeoff in Communication Systems,tically tractable yet provide practical models for many communication systems. We show that for finite block length transmission techniques there is a fundamental tradeoff between the channel estimator and the channel diversity. When the channel is operating at rates much below capacity, smaller cha

Thyroiditis

Duality, Dirty Paper Coding, and Capacity for Multiuser Wireless Channels, for one channel based on the capacity-achieving transmission strategy and region for the dual channel. This duality result in applicable to additive Gaussian noise and fading channels for several different notions of fading channel capacity, including ergodic capacity, outage capacity, and minimum

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Stability Analysis of the Turbo Decoding Algorithm Using Max-Log-MAP, soft-output generation. With respect to the turbo decoding algorithm (TDA) using Max-Log-MAP, several equivalent forms of the mathematical formulation are derived to facilitate the stability analysis. Based on the derived formulation, we show that the TDA using Max-Log-MAP has at least one fixed po

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Recursive List Decoding for Reed-Muller Codes and Their Subcodes,ties of these algorithms and show that they substantially outperform other decoding algorithms with nonexponential complexity known for RM codes. Decoding performance is further enhanced by using intermediate code lists and permutation procedures. For moderate lengths up to 512, near-optimum decodin

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