Code channel management in a wireless communications system

Details Code channel management in a wireless communications system Code channel management in a wireless communications system

H - Electricity

04

J

H04J 11/00 (2006.01) H04W 72/04 (2009.01)

Patent

CA 2529928

Systems and techniques are disclosed relating to communications. The systems and techniques involve dividing a plurality of subscriber stations into a plurality of groups, assigning a different plurality of orthogonal codes to each of the groups, the number of the orthogonal codes assigned to one of the groups being less than the number of subscriber stations in said one of the groups, encoding communications to one of the subscriber stations in said one of the groups at a data rate, and determining whether to spread at least a portion of communications to said to one of the subscriber stations with one of the orthogonal codes assigned to said one of the groups as a function of the data rate.

La présente invention se rapporte à des systèmes et à des techniques relatifs aux communications. Ces systèmes et techniques impliquent la division d'une pluralité de stations d'abonnés en une pluralité de groupes, l'attribution d'une pluralité de codes orthogonaux différents à chacun des groupes, le nombre des codes orthogonaux attribués à l'un des groupes étant inférieur au nombre de stations d'abonnés dans le groupe en question, le codage des communications destinées à l'une des stations d'abonnés dans le groupe en question, à un débit donné, et la détermination relative à l'étalement d'au moins une partie des communications à destination de la station d'abonnés en question, au moyen de l'un des codes orthogonaux attribués audit groupe en fonction du débit des données.

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