CPC H04W 72/23 (2023.01) [H04L 5/14 (2013.01)] | 20 Claims |
1. A method, comprising:
determining, by a terminal device, a first parameter for sending a first uplink reference signal based on downlink channel information, wherein the first uplink reference signal carries the downlink channel information; and
sending, by the terminal device, the first uplink reference signal that carries the downlink channel information to a network device based on the first parameter.
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