| CPC H04B 7/0491 (2013.01) [H04B 7/0617 (2013.01); H04B 7/0619 (2013.01); H04B 7/086 (2013.01); H04L 5/14 (2013.01)] | 20 Claims |

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1. A communication method, comprising:
receiving, by a first device in a first device set, a measurement signal sent by a second device; and
sending, by the first device to a third device that is different from the first device and that is different from the second device, a feedback signal based on the measurement signal sent by the second device, wherein the feedback signal carries information that indicates, to the third device, a device that is in the first device set and that is paired with the second device, and the feedback signal carries a device identifier of the second device.
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