| CPC H04L 27/2613 (2013.01) [H04L 27/2605 (2013.01); H04W 72/0453 (2013.01); H04W 72/23 (2023.01)] | 18 Claims |

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1. A method for transmitting a sounding reference signal (SRS), the method comprising:
transmitting, by a terminal device, a first SRS to a network device in an SRS region of N sub-bands of an SRS bandwidth, wherein N is an integer and greater than 1, each of the N sub-bands comprising one SRS region, and a resource block (RB) quantity in the SRS region being less than or equal to the RB quantity in a sub-band that the SRS region belongs to,
wherein
an RB configuration quantity in a sub-band of the SRS bandwidth is M, M being an integer and greater than 0,
a SRS resource comprises a start configuration position of the SRS region in a sub-band, and
transmitting, by the terminal device, the first SRS to the network device in the SRS region of the N sub-bands of the SRS bandwidth comprises:
determining, by the terminal device, a start position of an SRS region of a first sub-band among the N sub-bands to be the start configuration position, in response to an RB quantity in the first sub-band being M, wherein the first sub-band is any one of the N sub-bands; and
transmitting, by the terminal device, the first SRS to the network device in the SRS region of the first sub-band.
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