Patent ID: 11916629
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A terminal device, comprising at least two antennas, a processor, and a memory, wherein the memory is configured to store instructions, the at least two antennas are configured to communicate with another device, and the processor is configured to execute the instructions stored in the memory, so that the terminal device performs:
sending detection packets within an uplink estimated time through the at least two antennas, wherein the detection packets do not carry user data;
obtaining, based on response messages corresponding to the detection packets, a spectrum effectiveness of the at least two antennas and that is within the uplink estimated time; and
switching a current transmit antenna of the terminal device based on the spectrum effectiveness of the at least two antennas.