Decoupled antennas for wireless communication
The present invention provides an antenna assembly comprising at least two antennas for operating at respective frequencies within a desired frequency band. At least one of the two antennas is a capacitive coupled antenna comprising a resonance element adapted to resonate at a given frequency and a...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The present invention provides an antenna assembly comprising at least two antennas for operating at respective frequencies within a desired frequency band. At least one of the two antennas is a capacitive coupled antenna comprising a resonance element adapted to resonate at a given frequency and a capacitive coupling element adapted to feed an input signal to the resonance element via capacitive coupling for creating a resonance at the given frequency. In another configuration, the capacitive coupled antenna includes two resonance elements for resonating at different frequencies. In this configuration, the capacitive coupling element feeds input signals to both resonance elements of the capacitive coupled antenna via capacitive coupling for creating resonances at the respective frequencies. The feed of input signals to at least one of the antennas by capacitive coupling allows reducing electromagnetic interference with the other antenna(s) of the antenna assembly, thereby improving antenna to antenna isolation. |
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