| 摘要 |
A method wherein: a base station assigns resource to an uplink channel sounding reference signal (SRS) of a UE, sends the SRS configuration parameters to the UE, wherein the SRS configuration parameters include SRS bandwidth parameter BSRS and an SRS frequency domain position parameter nRRC; after receiving the SRS configuration parameters, the UE calculates the frequency domain starting position of the SRS of the resource used for sending the SRS according to the SRS configuration parameters, and sends the SRS to the base station using the resource; wherein the frequency domain resource assigned to the SRS by the base station corresponds to a node of a tree structure configured by an SRS bandwidth, and the configured BSRS corresponds to the level on which the node is located, while the configured nRRC corresponds to the index of a branch node on the lowest level of the node in the tree structure.
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