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) H04B 1/707 (2006.01)

Patent

CA 2546994

Systems and techniques are disclosed relating to communications. The systems and techniques involve separating a plurality of subscriber stations into first and second groups, a different first code from a plurality of orthogonal codes to each of the subscriber stations in the first group, assigning each of the subscriber stations in the first group either its allocated first code or a first sub-code derived from its allocated first code, to support a dedicated channel, and assigning a second sub-code derived from one of the first codes to support a communications channel to one of the subscriber stations in the second group. A second code may be used to support a dedicated channel to the second subscriber station.

L'invention concerne des systèmes et des techniques de communication. Lesdits systèmes et techniques consistent à séparer une pluralité de stations d'abonnés en un premier et un second groupe, à attribuer un premier code différent d'une pluralité de codes orthogonaux à chacune des stations d'abonnés du premier groupe, à attribuer à chaque station d'abonné du premier groupe soit le premier code attribué, soit un premier sous-code dérivé du premier code attribué de support d'un canal spécialisé, et à attribuer un second sous-code dérivé d'un des premiers codes de support d'un canal de communication vers une des stations d'abonné du second groupe. Un second code de support d'un canal spécialisé vers la seconde station d'abonné peut être utilisé.

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