Method for creating beamformed multiple-input-multiple-output channels with partial nulling

A method for creating beamformed multiple-input-multiple-output (MIMO) channels, the method comprising:

• receiving by a first wireless station a first plurality of receiving signals transmitted from a first antenna on a second wireless station;
• receiving by the first wireless station a second plurality of receiving signals transmitted from a second antenna on the second wireless station;
• nulling out a first predetermined percentage of the second plurality of receiving signals to generate a third plurality of receiving signals;
• nulling out a second predetermined percentage of the first plurality of receiving signals to generate a fourth plurality of receiving signals;
• calculating a first beamforming weighting vector corresponding to the first antenna on the second wireless station using the first and third pluralities of receiving signals;
• calculating a second beamforming weighting vector corresponding to the second antenna on the second wireless station using the second and fourth pluralities of receiving signals;
• creating a first beamformed MIMO channel from the first wireless station to the first antenna on the second wireless station using the first beamforming weighting vector;
• and
• creating a second beamformed MIMO channel from the first wireless station to the second antenna on the second wireless station using the second computed beamforming weighting vector.

A method for creating beamformed multiple-input-multiple-output (MIMO) channels, the method comprising:

• receiving by a base station (BS) a first plurality of receiving signals transmitted from a first antenna on a mobile station (MS);
• receiving by the BS a second plurality of receiving signals transmitted from a second antenna on the MS;
• nulling out a first predetermined percentage of the second plurality of receiving signals to generate a third plurality of receiving signals;
• calculating a first beamforming weighting vector corresponding to the first antenna on the MS using the first and third pluralities of receiving signals;
• and
• creating a first beamformed MIMO channel from the BS to the first antenna on the MS using the first beamforming weighting vector.