The geometry of turbo-decoding dynamics
IEEE Transactions on Information Theory
Factor graphs and the sum-product algorithm
IEEE Transactions on Information Theory
Probability propagation and decoding in analog VLSI
IEEE Transactions on Information Theory
Nonlinear dynamics of iterative decoding systems: analysis and applications
IEEE Transactions on Information Theory
On the dynamics of analog min-sum iterative decoders: an analytical approach
IEEE Transactions on Communications
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We study analog decoders in an abstract level and show that their dynamic equations can change with message representation domain. This result, which is in contrast with the behavior of conventional discrete-time iterative decoders, is derived based on continuity requirement for messages that are passed between processing nodes in analog decoders. In this letter, this requirement is met by assigning low-pass filters between processing nodes that remain unchanged for different message representation domains.