| 摘要 |
A method comprising determining information for the performance of a channel and sending the determined information to a transmitter is disclosed. The determined information can be sent to the transmitter with acknowledgement data. The determined information can include, for example, data rate and/or transmit power. The acknowledgement data can be sent in an acknowledgement frame, such as a block acknowledgement frame or immediate acknowledgement frame. The determined information can be sent in the payload of the frame. The frame can, for example, be a kink feedback frame associated only with a particular transmitter and receiver. A characteristic of the channel, such as signal and interference to noise ratio, can also be determined.
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