System, apparatus, and method for asymmetrical beamforming...

Details System, apparatus, and method for asymmetrical beamforming... System, apparatus, and method for asymmetrical beamforming...

H - Electricity

04

B

H04B 7/06 (2006.01) H01Q 3/26 (2006.01)

Patent

CA 2642893

The present invention provides a plurality of embodiments for beamforming in an asymmetrical system wireless communication system (400) of N T ( 102i) transmit antennae and N R (104j) receive antennae where N T > N R that ensure the transmit power on each antenna is the same, without appreciable loss in performance. Additionally, a technique is provided for choosing fewer beamforming vectors than frequency bins in an OFDM system.

La présente invention concerne une pluralité de modes de réalisation pour la formation de faisceaux dans un système (400) de communication sans fil asymétrique de NT (102i) antennes d'émission et de NR (104j) antennes de réception où NT > NR qui garantissent que la puissance d'émission sur chaque antenne est identique, sans perte appréciable de performances. En outre, une technique est utilisée pour choisir moins de vecteur de formation de faisceaux que de groupes de fréquences dans un système à multiplexage OFDM.

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