| CPC H04W 4/029 (2018.02) [H04L 5/0051 (2013.01); H04W 72/044 (2013.01)] | 16 Claims |

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1. An apparatus, comprising:
a transceiver, configured to:
receive a first sidelink positioning configuration sent by a network device;
send a first sidelink positioning reference signal to a second terminal device based on the first sidelink positioning configuration, wherein the first sidelink positioning reference signal is used to determine a first measurement value, and the first measurement value comprises a measurement value of the second terminal device on the first sidelink positioning reference signal; and
receive, based on the first sidelink positioning configuration, a second sidelink positioning reference signal sent by the second terminal device,
wherein the apparatus further comprises a processor, configured to measure the second sidelink positioning reference signal, to obtain a second measurement value,
wherein the transceiver is further configured to receive the first measurement value from the second terminal device or the network device, and
wherein the processor is further configured to determine a first position of a first terminal device on which the apparatus is disposed based on the first measurement value, the second measurement value, and a second position of the second terminal device.
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