| 摘要 |
Systems and techniques for interference avoidance beamforming transmissions are described. A described technique includes accessing, at a first device, data for transmission to a second device; performing, at the first device, a channel sounding process with a third device to obtain channel feedback regarding a wireless channel between the first device and the third device; determining a steering matrix based on the channel feedback to reduce interference leakage received by the third device during a beamforming transmission from the first device to the second device; and performing, at the first device, the beamforming transmission to the second device based on the data and the steering matrix. |
| 主权项 |
1. A method comprising:
accessing, at a first device, data for transmission to a second device; performing, at the first device, a channel sounding process with the second device to obtain first channel feedback regarding a wireless channel between the first device and the second device; performing, at the first device, a channel sounding process with a third device to obtain second channel feedback regarding a wireless channel between the first device and the third device; determining a steering matrix based on the first channel feedback and the second channel feedback to reduce interference leakage received by the third device during a beamforming transmission from the first device to the second device, wherein determining the steering matrix comprises: (i) determining a first matrix responsive to the first channel feedback to improve a performance of the beamforming transmission with respect to the second device and (ii) determining, responsive to the second channel feedback, a second matrix based on a null space of a wireless channel matrix associated with the wireless channel between the first device and the third device to reduce interference leakage received by the third device during the beamforming transmission, the steering matrix being based on the first matrix and the second matrix; and performing, at the first device, the beamforming transmission to the second device based on (i) the data and (ii) the steering matrix. |
