Sir measure method and apparatus for the same

Details Sir measure method and apparatus for the same Sir measure method and apparatus for the same

H - Electricity

04

B

H04B 17/00 (2006.01) H04J 13/00 (2006.01) H04B 1/707 (2006.01)

Patent

CA 2420254

The invention discloses a signal-to-interference ratio (SIR) measurement method. The method measures interference power (I) of a single-path signal after the received signal is demodulated by the single-path demodulators of multipath receiving device at the receiving end. The total interference power is obtained by equipartition combining with the measured interference power of each single-path signal. The signal power (S) is obtained by measuring after maximum ratio combination of each single-path signal. The SIR of the received signal is the division of the signal power and the total interference power. An apparatus, implementing mentioned method, sets the interference power measurement-device in the RAKE combiner and the signal power measurement-device after the RAKE combiner. In this way, the interference measurement can effectively provide more information and can more really response to the channel variation.

L'invention concerne un procédé de mesure de registre d'identification de segment (SIR) pour systèmes de communication mobiles AMRC. Ce procédé comprend les étapes suivantes : mesurer la puissance de brouillage (I) de signaux à trajet direct après démodulation de moyens de réception à trajet direct en moyens de réception à trajets multiples du terminal récepteur ; équisegmenter et combiner les résultats mesuré de la puissance de brouillage afin d'obtenir la valeur de la puissance de brouillage totale ; mesurer la puissance des signaux (S) après avoir combiné le rapport maximal de chaque signal à trajet direct, et obtenir son SIR par division. L'invention concerne en outre un dispositif destiné à mettre ledit procédé en oeuvre, qui sert à placer des moyens de mesure de la puissance de brouillage dans le combineur de Rake, ainsi qu'à placer des moyens de mesure de la puissance des signaux derrière le combineur de Rake. Ce dispositif permet de fournir des informations utiles pour de plus amples mesures de brouillage et de mieux refléter les changements de canaux.

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