Abstract: A virtual base station apparatus includes: a first base station apparatus and a second base station apparatus. The first base station apparatus includes a first receiver that receives a plurality of first training frames, a first transmitter that transmits a plurality of second training frames to a terminal apparatus, and a calculator that calculates a first reception quality of each of the plurality of first training frames. The terminal apparatus includes a second transmitter that transmits the plurality of first training frames to the plurality of base station apparatuses, and a second receiver that receives the plurality of second training frames. The first receiver receives a second reception quality of each of the plurality of first training frames from the second base station apparatus. The first reception quality is transmitted to the second base station apparatus when the first reception quality is higher than the second reception quality.

Abstract: A virtual base station apparatus (virtual AP) formed by a plurality of base station apparatuses (APs) requests a terminal apparatus (STA) to start beamforming training. The terminal apparatus transmits a plurality of first training frames to the virtual base station apparatus. The virtual base station apparatus receives the plurality of first training frames by using the plurality of base station apparatuses, and transmits a plurality of second training frames including information on a training frame received under the best conditions from a first base station apparatus that has received the training frame received under the best conditions to the terminal apparatus. The terminal apparatus receives the plurality of second training frames, and transmits to the virtual base station apparatus a second frame including information on a frame received under the best conditions among the plurality of second received training frames.

Abstract: A virtual base station apparatus include: a first base station apparatus and a second base station apparatus. The first base station apparatus includes a first receiver that receives a plurality of first training frames, a first transmitter that transmits a plurality of second training frames to a terminal apparatus, and a calculator that calculates a first reception quality of each of the plurality of first training frames. The terminal apparatus includes a second transmitter that transmits the plurality of first training frames to the plurality of base station apparatuses, and a second receiver that receives the plurality of second training frames. The first receiver receives a second reception quality of each of the plurality of first training frames from the second base station apparatus. The first reception quality is transmitted to the second base station apparatus when the first reception quality is higher than the second reception quality.

Abstract: A virtual base station apparatus (virtual AP) formed by a plurality of base station apparatuses (APs) requests a terminal apparatus (STA) to start beamforming training. The terminal apparatus transmits a plurality of first training frames to the virtual base station apparatus. The virtual base station apparatus receives the plurality of first training frames by using the plurality of base station apparatuses, and transmits a plurality of second training frames including information on a training frame received under the best conditions from a first base station apparatus that has received the training frame received under the best conditions to the terminal apparatus.