| CPC H04W 16/28 (2013.01) | 17 Claims |

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1. A terminal information obtaining method, performed by a first network node, wherein the first network node is an intelligent-surface-type device or a relay-type device and the method comprises:
receiving a first signal sent by a terminal; and
estimating first information of the terminal according to the first signal; wherein
the first information comprises at least one of following: position information of the terminal, direction information of the terminal, reception beam information corresponding to the terminal, or sending beam information corresponding to the terminal;
wherein after the estimating the first information of the terminal according to the first signal, the method further comprises:
sending a second signal to a second network node; wherein the second signal carries all or some of content of the first information, and the second network node is a base-station-type node associated with the first network node;
receiving a third signal sent by the second network node; and
adjusting a transmission mode of the first network node according to the third signal;
wherein the transmission mode comprises at least one of following:
a beam;
transmission configuration index (TCI) information; or
quasi-colocation (QCL) information.
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