Veuillez attendre...
Donnez-nous votre avis au sujet de PATENTSCOPE ou dites-nous ce qui pourrait être ajouté ou comment nous pourrions améliorer l'interface.
A multiple transmission channel wireless communication system such as MIMO system, comprises a transmitting station and at least one receiving station, at least one of said stations having an antenna system comprising a plurality of spaced apart antenna elements (16A, 16B), each antenna element comprising a sub-array of at least 2 antennas (20A, 20B) separated by less than half the wavelength of the frequency of interest The antennas of each of the antenna elements may be controllable to give directional propagation or reception.