Patent ID: 9634750
Date: 2017-04-25
CPC Classifications: H04B

Claim:
1. A beamforming method for serving multiple users, the beamforming method comprising: determining, by a beamforming apparatus, different beams for a plurality of user equipments based on channel information fed back from the plurality of user equipments; predicting beam qualities of the determined beams of the plurality of user equipments; determining whether the beam qualities satisfy a Quality of Service (QoS) for the plurality of user equipments; generating a wide nulling beam by applying wide nulling to a second beam having a side lobe acting as interference against at least one first beam of the beams, when the beam quality of the first beam does not satisfy the QoS; predicting beam qualities for the beams including the wide nulling beam instead of the second beam; and simultaneously communicating with the plurality of user equipments through the beams including the wide nulling beam instead of the second beam, when the beam qualities for the beams including the wide nulling beam instead of the second beam satisfy the QoS.