H - Electricity – 03 – M
Patent
H - Electricity
03
M
H03M 13/27 (2006.01)
Patent
CA 2701585
An interleaving method to which time-first-mapping is applied for a plurality of channel-coded and rate-matched code blocks considering a modulation scheme in a mobile communication system is provided. The interleaving method includes determining sizes of a horizontal area and a vertical area of an interleaver memory, selecting a defined number of adjacent coded symbols in a same code block according to a modulation scheme, generating modulation groups in a vertical direction, sequentially writing the modulation groups in the horizontal area on a row-by-row basis, and sequentially reading the symbols written in the interleaver memory on a column-by-column basis.
L'invention concerne un procédé d'entrelacement auquel un mappage privilégiant le temps est appliqué pour plusieurs blocs de codes à voie codée et à débit adapté, selon un programme de modulation d'un système de communication mobile. Le procédé d'entrelacement consiste à: déterminer la taille d'une zone horizontale et d'une zone verticale d'une mémoire d'entrelacement; choisir un nombre défini de symboles codés adjacents dans un même bloc de codes en fonction du programme de modulation; générer des groupes de modulation dans une direction verticale; écrire séquentiellement, rangée par rangée, les groupes de modulation dans la zone horizontale; et lire séquentiellement, colonne par colonne, les symboles écrits dans la mémoire d'entrelacement.
Cho Joon-Young
Kim Young-Bum
Lee Ju-Ho
Pi Zhouyue
Marks & Clerk
Samsung Electronics Co. Ltd.
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