Correction of signal-interference ratio measurements

Details Correction of signal-interference ratio measurements Correction of signal-interference ratio measurements

H - Electricity

04

B

H04B 7/005 (2006.01) H04B 17/00 (2006.01) H04L 1/20 (2006.01)

Patent

CA 2323099

Using measured estimates of received signal energy and interference values, a measured signal-to-interference ratio (SIR) value is determined. The measured SIR value is corrected for non-linearity to obtain a corrected SIR value using a correction function. That corrected SIR value may then be used in any number of applications such as to control the transmit power of mobiles in a mobile radio communications system.

Selon l'invention, on mesure une valeur de rapport signal-interférences (SIR) à l'aide d'estimations mesurées d'énergie de signal reçue et de valeurs des interférences. On compense la non linéarité de la valeur mesurée de rapport signal-interférences, de manière à obtenir une valeur de rapport signal-interférences corrigée qui intègre une fonction de compensation. On peut ensuite utiliser cette valeur de rapport signal-interférences corrigée dans toutes sortes d'applications. Elle peut notamment servir à réguler la puissance d'émission d'une station mobile dans un système de radiocommunications mobile.

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