Method and arrangement for implementing intra-frame...

H - Electricity – 03 – M

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H03M 13/27 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2392707

A method and radio device are provided for interleaving a stream of data (201) consisting of digital information symbols prior to transmission over a ra-dio interface. A permutation is performed (202, 203, 401, 402) to the stream of digital data, thus producing a permutated stream of digital data (204). From the permutated stream of digital data there are provided at least two component streams (404) for mapping each component stream into a spreading code (406). The order of information symbols is reversed (405) in at least one component stream prior to mapping it into a spreading code.

L'invention concerne un procédé et un dispositif radio d'entrelacement d'un flux de données (201) se composant de symboles d'information numériques, préalablement à la transmission de ce flux de données sur une interface radio. Le procédé consiste à exécuter une permutation (202, 203, 401, 402) sur le flux de données numériques, de manière à produire un flux permuté de données numériques (204), puis à obtenir à partir du flux permuté de données numériques au moins deux flux de composantes (404), aux fins d'intégration de chaque flux de composantes dans un code d'étalement (406), l'ordre des symboles d'information étant inversé (405) dans au moins un flux de composantes, préalablement à l'intégration de celui-ci dans un code d'étalement.

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