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Unifying Analysis and Design of Rate-Compatible Concatenated Codes

Alexandre Graell i Amat (Institutionen för signaler och system, Kommunikationssystem) ; Lars K. Rasmussen ; Fredrik Brännström (Institutionen för signaler och system, Kommunikationssystem)
IEEE Transactions on Communications (0090-6778). Vol. 59 (2011), 2, p. 343-351.
[Artikel, refereegranskad vetenskaplig]

An improved concatenated code structure, which generalizes parallel and serially concatenated convolutional codes is presented and investigated. The structure is ideal for de- signing low-complexity rate-compatible code families with good performance in both the waterfall and error floor regions. As an additional feature, the structure provides a unified analysis and design framework, which includes both parallel and serially concatenated codes as particular cases. We derive design criteria for the generalized class of concatenated convolutional codes based on union bounds for the error probability and extrinsic information transfer (EXIT) charts for the decoding threshold.

Nyckelord: Turbo codes, concatenated codes, rate-compatible codes, union bounds, EXIT chart analysis, puncturing.

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Denna post skapades 2011-02-24. Senast ändrad 2015-03-06.
CPL Pubid: 137302


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