Code generating method and code selecting method

Details Code generating method and code selecting method Code generating method and code selecting method

H - Electricity

04

B

H04B 7/216 (2006.01) H04J 11/00 (2006.01) H04B 1/69 (2006.01) H04J 13/00 (2006.01)

Patent

CA 2242773

A code generating method by which an orthogonal code having diffusivity larger than the original diffusivity is generated by combining an orthogonal code for CDMA having a specific diffusivity with another orthogonal code which is obtained by inverting the polarity of the orthogonal code for CDMA. A code selecting method by which a user using an orthogonal code having a small diffusivity can generate an orthogonal code having diffusivity smaller than diffusivity of an orthogonal code for CDMA having a specific diffusivity by combining the orthogonal code for CDMA with another orthogonal code which is obtained by inverting the polarity of the orthogonal code for CDMA and assign the generated orthogonal code.

Procédé de génération de code consistant à générer un code orthogonal dont la diffusivité est supérieure à la diffusivité originale, en combinant un code orthogonal pour AMDC possédant une diffusivité spécifique avec un autre code orthogonal obtenu par inversion de la polarité du code orthogonal pour AMDC. Procédé de sélection de code permettant à l'utilisateur de générer, au moyen d'un code orthogonal à diffusivité limitée, un code orthogonal dont la diffusivité est inférieure à celle d'un code orthogonal pour AMDC possédant une diffusivité spécifique, en combinant le code orthogonal pour AMDC avec un autre code orthogonal obtenu par inversion de la polarité du code orthogonal pour AMDC, et d'affecter le code orthogonal généré.

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