Detection of deployed time-domain duplexed repeaters

1. A method of detecting a repeater on a propagation path at a transmitting device of a wireless communication network, comprising:

receiving, from a controlling entity, a repeater detection configuration indicating a detection threshold and at least one transmit power level;

transmitting, to a receiving device via the propagation path and according to the repeater detection configuration, a first signal at a first power level;

receiving, in response to transmitting the first signal, first measurement results of the first signal;

transmitting, to the receiving device via the propagation path and according to the repeater detection configuration, a second signal at a second power level, the second power level being different than the first power level;

receiving, in response to transmitting the second signal, second measurement results of the second signal;

detecting an active repeater on the propagation path in response to a difference between the first measurement results and the second measurement results satisfying the detection threshold;

determining, in response to detecting the active repeater, configuration information of the active repeater;

performing, according to the configuration information of the active repeater and in response to detecting the active repeater, at least one of interference management, beam management, positioning, or mobility management;

and

communicating at least one transmission via the active repeater and according to the configuration information of the active repeater.

2. The method of claim 1 , wherein the transmitting device and the receiving device are a same device.

3. The method of claim 1 , wherein the first measurement results and the second measurement results comprise at least one of a reference signal received power (RSRP), received signal strength indicator (RSSI), signal-to-noise ratio (SNR), and signal-to-interference-plus-noise ratio (SINR).

4. The method of claim 1 , wherein the repeater detection configuration comprises a transmit power level configuration indicating a plurality of transmit power levels, the plurality of transmit power levels comprising at least the first power level and the second power level.

5. The method of claim 4 , wherein the transmit power level configuration comprises a sounding reference signal (SRS) configuration.

6. The method of claim 1 ,

wherein the repeater detection configuration comprises a first detection threshold corresponding to a first beam and a second detection threshold corresponding to a second beam;

wherein transmitting the first signal comprises transmitting, using the first beam, the first signal at the first power level;

wherein transmitting the second signal comprises transmitting, using the first beam, the second signal at the second power level; and

wherein detecting the active repeater on the propagation path in response to the difference between the first measurement results and the second measurement results satisfying the detection threshold comprises detecting the active repeater on the propagation path in response to the difference satisfying the first detection threshold.

7. The method of claim 1 , further comprising:

determining, in response to detecting the active repeater, configuration information of the active repeater comprising at least one of a location of the active repeater, a power configuration of the active repeater, and an amplification configuration of the active repeater; and

reporting the configuration information of the active repeater.

8. An apparatus for detecting a repeater on a propagation path at a transmitting device of a wireless communication network, comprising:

memory storing instructions; and

a processor in communication with the memory and configured to execute the instructions to:

receive, from a controlling entity, a repeater detection configuration indicating a detection threshold and at least one transmit power level;

transmit, to a receiving device via the propagation path and according to the repeater detection configuration, a first signal at a first power level;

receive, in response to transmitting the first signal, first measurement results of the first signal;

transmit, to the receiving device via the propagation path and according to the repeater detection configuration, a second signal at a second power level, the second power level being different than the first power level;

receive, in response to transmitting the second signal, second measurement results of the second signal;

detect an active repeater on the propagation path in response to a difference between the first measurement results and the second measurement results satisfying the detection threshold;

determine, in response to detecting the active repeater, configuration information of the active repeater;

perform, according to the configuration information of the active repeater and in response to detecting the active repeater, at least one of interference management, beam management, positioning, or mobility management;

and

communicate at least one transmission via the active repeater and according to the configuration information of the active repeater.

9. The apparatus of claim 8 , wherein the transmitting device and the receiving device are a same device.

10. The apparatus of claim 8 , wherein the repeater detection configuration comprises a transmit power level configuration indicating a plurality of transmit power levels, the plurality of transmit power levels comprising at least the first power level and the second power level.

11. The apparatus of claim 8 ,

wherein the repeater detection configuration comprises a first detection threshold corresponding to a first beam and a second detection threshold corresponding to a second beam;

wherein to transmit the first signal comprises transmitting, using the first beam, the first signal at the first power level;

wherein to transmit the second signal comprises transmitting, using the first beam, the second signal at the second power level; and

wherein to detect the active repeater on the propagation path in response to the difference between the first measurement results and the second measurement results satisfying the detection threshold comprises detecting the active repeater on the propagation path in response to the difference satisfying the first detection threshold.

12. The apparatus of claim 8 , wherein the processor is configured to execute further instructions to:

determine, in response to detecting the active repeater, configuration information of the active repeater comprising at least one of a location of the active repeater, a power configuration of the active repeater, and an amplification configuration of the active repeater; and

report the configuration information of the active repeater.

13. A method of detecting a repeater on a propagation path at a receiving device of a wireless communication network, comprising:

receiving, from a controlling entity, a repeater detection configuration indicating at least a detection threshold;

receiving, from a transmitting device via the propagation path, a first signal having been transmitted at a first power level indicated by the repeater detection configuration;

performing first measurements of the first signal resulting in first measurement results;

receiving, from the transmitting device via the propagation path, a second signal having been transmitted at a second power level indicated by the repeater detection configuration;

performing second measurements of the second signal resulting in second measurement results;

detecting an active repeater on the propagation path in response to a difference between the first measurement results and the second measurement results satisfying the detection threshold;

determining, in response to detecting the active repeater, configuration information of the active repeater;

performing, according to the configuration information of the active repeater and in response to detecting the active repeater, at least one of interference management, beam management, positioning, or mobility management;

and

communicating at least one transmission via the active repeater and according to the configuration information of the active repeater.

14. The method of claim 13 , wherein the transmitting device and the receiving device are a same device.

15. The method of claim 13 , wherein the first measurement results and the second measurement results comprise at least one of a reference signal received power (RSRP), received signal strength indicator (RSSI), signal-to-noise ratio (SNR), and signal-to-interference-plus-noise ratio (SINR).

16. The method of claim 13 , further comprising:

transmitting, to the transmitting device in response to receiving the first signal, the first measurement results; and

transmitting, to the transmitting device in response to receiving the second signal, the second measurement results.

17. The method of claim 13 ,

wherein the repeater detection configuration comprises a first detection threshold corresponding to a first beam and a second detection threshold corresponding to a second beam;

wherein receiving the first signal comprises receiving, using the first beam, the first signal;

wherein receiving the second signal comprises receiving, using the first beam, the second signal; and

wherein detecting the active repeater on the propagation path in response to the difference between the first measurement results and the second measurement results satisfying the detection threshold comprises detecting the active repeater in response to the difference satisfying the first detection threshold.

18. The method of claim 13 , further comprising:

determining, in response to detecting the active repeater, configuration information of the active repeater comprising at least one of a location of the active repeater, a power configuration of the active repeater, and an amplification configuration of the active repeater; and

reporting the configuration information of the active repeater.