Radio device and antenna structure

Details Radio device and antenna structure Radio device and antenna structure

H - Electricity

01

Q

H01Q 1/24 (2006.01) H01Q 1/36 (2006.01) H01Q 1/38 (2006.01) H01Q 5/00 (2006.01) H01Q 9/04 (2006.01) H01Q 21/28 (2006.01)

Patent

CA 2501221

A radio device and an antenna structure (100) comprising a ground plane (110), at least a first (120) and a second radiator (130), both radiators being configured to provide at least one resonance frequency in order to provide at least one frequency band. The antenna structure further comprises separate feed points (124, 134) for both radiators grounded (122, 132) to the ground plane. The first radiator is configured to provide at least two frequency bands, at least one of the frequency bands being at least partly overlapping with at least one frequency band provided by the second radiator. In addition, at least the first radiator is a groove plane antenna such that coupling of the radiators with each other at least within the partly overlapping frequency range is substantially avoided.

L'invention concerne un dispositif radio et une structure d'antenne (100) comprenant un plan de sol (110), au moins un premier (120) et un deuxième élément rayonnant (130), tous deux conçus pour fournir au moins une fréquence de résonance pour créer au moins une bande de fréquence. Cette structure d'antenne comporte en outre des points (124, 134) d'alimentation séparés pour les deux éléments rayonnants mis à la terre (122, 132) par le plan de sol. Le premier élément rayonnant est conçu pour fournir au moins deux bandes de fréquence, dont l'une au moins chevauche au moins partiellement au moins une bande de fréquence fournie par le deuxième élément rayonnant. De plus, le premier élément rayonnant au moins est une antenne plane à gorge, de sorte que la connexion des éléments rayonnants entre eux est largement évitée, au moins dans la gamme de fréquences de chevauchement.

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