Apparatus and method for controlling reverse link...

H - Electricity – 04 – W

Patent

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H04W 28/22 (2009.01) H04W 52/24 (2009.01)

Patent

CA 2557407

In a wireless communication system, an apparatus and a method are provided for controlling reverse link interference among access terminals that are power controlled by a sector of a base station. In an embodiment, the maximum effective noise power spectral density is used as a parameter for controlling the level of reverse link loading, by setting a reverse activity bit (RAB) to signal the access terminals to reduce their data rates in order to minimize interference between the access terminals if the maximum effective noise power spectral density is above a predetermined threshold.

Dans un système de communication sans fil, l'invention a trait à un appareil et à un procédé permettant de limiter le brouillage de liaison retour entre des terminaux d'accès qui sont commandés en puissance par un secteur d'une station de base. Dans un mode de réalisation, la densité de spectre de puissance de bruit efficace maximale sert de paramètre permettant de limiter le niveau de charge d'une liaison retour, en fixant un bit d'activité de retour (RAB) destiné à indiquer aux terminaux d'accès qu'ils doivent réduire leurs débits binaires pour réduire au minimum le brouillage entre les terminaux d'accès si la densité de spectre de puissance de bruit maximale dépasse une valeur seuil prédéterminée.

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