Mobile station apparatus, communication system,...

H - Electricity – 04 – W

Patent

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Details

H04W 52/30 (2009.01) H04W 52/10 (2009.01)

Patent

CA 2753428

A mobile station apparatus performs communication with a base station apparatus using a multiple number of component frequency bands, each being a band having a predetermined frequency bandwidth, and includes: a controller setting up a value relating to the transmission power of each component frequency band in accordance with the number of component frequency bands to which radio resources are allocated; and a transmission processor adjusting the transmission power of each component frequency band, based on the value of transmission power set at the controller and transmitting a signal using radio resources of a multiple number of component frequency bands. With this configuration, in a radio communication system using a multiple number of component frequency bands, it is possible to adjust transmission power control in accordance with the number of uplink component frequency bands used for transmission and transmit a signal of a waveform suitable for the radio communication system.

Le dispositif de station mobile selon l'invention utilise une pluralité d'ondes porteuses de composants, qui constituent des bandes dans une bande passante de fréquence définie initialement, et communique avec un dispositif de station de base. La station est dotée d'une unité de commande qui définit des valeurs concernant la puissance de transmission de chaque onde porteuse de composants en réponse au nombre d'ondes porteuses de composants auxquelles des ressources radio sont attribuées ; et une unité de traitement de transmission qui ajuste la puissance de transmission de chaque onde porteuse de composants sur la base de la valeur de puissance de transmission définie par l'unité de commande et transmet des signaux à l'aide des ressources radio d'une pluralité d'ondes porteuses de composants. Par conséquent, dans un système de communications radio utilisant une pluralité d'ondes porteuses de composants, il est possible d'ajuster la commande de puissance de transmission en réponse au nombre d'ondes porteuses de composants montantes utilisées pour la transmission, et il est possible de transmettre des signaux avec une forme d'onde appropriée à un système de communications radio.

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