Quasi-orthogonal code mask generating device in mobile...

Details Quasi-orthogonal code mask generating device in mobile... Quasi-orthogonal code mask generating device in mobile...

H - Electricity

04

J

H04J 11/00 (2006.01) H04B 7/216 (2006.01) H04J 13/00 (2006.01) H04B 1/707 (2006.01)

Patent

CA 2303237

A device for generating a quasi-orthogonal code mask in a communication system. A counter generates first to eighth counter signals x1-x8 representing Bent functions. A logic operator receives the first to eighth counter signals x1-x8 and performs an operation, for example x1*x2 + x1*x3 + x1*x4 + x1*x5 + x1*x7 + x1*x8 + x2*x6 + x2*x7 + x3*x4 + x3*x5 + x3*x6 + x4*x5 + x4*x6 + x4*x7 + x4*x8 + x5*x7 + x7*x8 + x1 + x2 + x5 + x7, to generate a mask signal.

L'invention concerne un dispositif pour générer des masques de code quasi orthogonaux dans un système de communication. Un compteur génère du premier au huitième signaux de compteur x1-x8 qui représentent les fonction de Bent. Un opérateur logique reçoit du premier au huitième signaux de compteur x1-x8 et effectue une opération, par exemple, x1*x2+x1*x3+x1*x4+x1*x5+x1*x7+x1*x8+x2*x6+x2*x7+x3*x4+x3*x5+x3*x6+x4*x5+x4*x6+x4*x7+x4*x8+x5*x7+x7*x8+x1+x2+x5+x7, et ce pour générer un signal de masque.

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