A method and a device for testing a mobile-radio device by...

H - Electricity – 04 – B

Patent

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H04B 17/00 (2006.01)

Patent

CA 2743316

The invention relates to a device and to a method for testing a mobile radio device (30) in a multiple antenna sys-tem (23, 24, 31, 32) using a frequency-selective static channel model for channel simulation in frequency space. In the method ac-cording to the invention, the useful data to be transmitted are first allocated to a plurality of carrier frequencies and the associated coding parameters per antenna. The useful data are then modulated onto the carrier frequencies according to the allocation. One or more modulated carrier signals are now distorted in frequency space according to a frequency-selective static channel model. A transmission signal composed of the channel-modeled modulated carrier signals is subsequently transmitted in the period of time to a mobile radio device to be tested.

L'invention concerne un dispositif et un procédé d'essai d'un appareil radio mobile (30) dans un système à antennes multiples (23, 24, 31, 32) qui utilise un modèle statique de canal sélectif en fréquence pour la simulation du canal dans l'espace fréquentiel. Dans le procédé selon l'invention, les données utiles à transmettre sont d'abord attribuées à une pluralité de fréquences porteuses et aux paramètres de codage correspondants par antenne. Ensuite, les données utiles sont modulées sur les fréquences porteuses en fonction de cette attribution. Afin de simuler le canal de propagation, un ou plusieurs signaux de porteuses modulés sont distordus dans l'espace fréquentiel en fonction d'un modèle statique de canal sélectif en fréquence. Ensuite, un signal d'émission composé des signaux de porteuses modulés modélisés en fonction d'un modèle de canal est transmis dans l'espace temporel vers un appareil radio mobile à l'essai.

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