| CPC H04W 28/0268 (2013.01) [H04L 1/16 (2013.01); H04W 28/0226 (2013.01); H04W 28/04 (2013.01); H04W 28/24 (2013.01)] | 20 Claims |

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1. A feedback method, applied to a data receiver, and comprising:
determining that a geographical distance between the data receiver and a data transmitter exceeds a quality of service (QOS) communication distance; and
sending out-of-range feedback information, wherein the out-of-range feedback information is configured to indicate that the geographical distance between the data receiver and the data transmitter exceeds the QoS communication distance;
wherein sending the out-of-range feedback information comprises at least one of:
sending the out-of-range feedback information based on a physical layer sequence;
sending the out-of-range feedback information based on a bit value of a modulation symbol; or
sending the out-of-range feedback information by a time-frequency resource for implicitly indicating the out-of-range feedback information.
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