Link measurements for vehicular device-to-device links
Methods, systems, and devices for link measurements of vehicular device-to-device links in mobile communication technology are described. An exemplary method for wireless communication includes receiving, by a first wireless device, a device-to-device link measurement configuration, and performing a device-to-device link measurement procedure. Another exemplary method for wireless communication includes receiving, by a first wireless device, a device-to-device link monitoring configuration, and performing a device-to-device link monitoring procedure. Yet another exemplary method for wireless communication includes receiving, by a first wireless device, a device-to-device link maintenance configuration, and performing a device-to-device link maintenance procedure.
1. A method for wireless communication, comprising:
receiving, by a first wireless device, a device-to-device link measurement configuration, wherein the device-to-device link measurement configuration includes a value indicating a peer wireless device, a sidelink carrier frequency, and a Layer 3 (L3) filtering coefficient;
performing, by the first wireless device, a device-to-device link measurement procedure based on the device-to-device link measurement configuration;
transmitting, by the first wireless device to the peer wireless device, a device-to-device link measurement result; and
transmitting, by the first wireless device to a network node, a device-to-device link status,
wherein the device-to-device link status comprises a device-to-device link failure indication and a UE ID.
2. The method of claim 1 , further comprising:
receiving, by the first wireless device, a sidelink measurement report configuration comprising a reference signal, an event trigger configuration, a periodic report configuration, a report interval, and a report amount.
3. The method of claim 2 , wherein the event trigger configuration comprises a threshold and a hysteresis parameter for each event.
4. The method of claim 2 , wherein the reference signal comprises a demodulation reference signal (DMRS).
5. The method of claim 1 , wherein the device-to-device link measurement result comprises a result for each sidelink, the result for each sidelink including a reference signal received power (RSRP) measurement.
6. A method for wireless communication, comprising:
transmitting, by a network node to a first wireless device, a device-to-device link measurement configuration,
wherein the device-to-device link measurement configuration includes a value indicating a peer wireless device, a sidelink carrier frequency, and a Layer 3 (L3) filtering coefficient, and
wherein the first wireless device is enabled to: (1) perform a device-to-device link measurement procedure based on the device-to-device link measurement configuration, and (2) in response, transmit, to the peer wireless device, a device-to-device link measurement result; and
receiving, from the first wireless device, a device-to-device link status, wherein the device-to-device link status comprises a device-to-device link failure indication and a UE ID.
7. The method of claim 6 , wherein the first wireless device is enabled to receive a sidelink measurement report configuration comprising a reference signal, an event trigger configuration, a periodic report configuration, a report interval, and a report amount.
8. The method of claim 7 , wherein the event trigger configuration comprises a threshold and a hysteresis parameter for each event.
9. The method of claim 7 , wherein the reference signal comprises a demodulation reference signal (DMRS).
10. The method of claim 6 , wherein the device-to-device link measurement result comprises a result for each sidelink, the result for each sidelink including a reference signal received power (RSRP) measurement.
11. A wireless communications apparatus comprising a processor and a memory storing instructions, execution of which by the processor causes the apparatus to:
receive a device-to-device link measurement configuration, wherein the device-to-device link measurement configuration includes a value indicating a peer wireless device, a sidelink carrier frequency, and a Layer 3 (L3) filtering coefficient;
perform, by the apparatus, a device-to-device link measurement procedure based on the device-to-device link measurement configuration;
transmit, to the peer wireless device, a device-to-device link measurement result; and
transmit, to a network node, a device-to-device link status,
wherein the device-to-device link status comprises a device-to-device link failure indication and a UE ID.
12. The apparatus of claim 11 , wherein the apparatus is further caused to:
receive, by the apparatus, a sidelink measurement report configuration comprising a reference signal, an event trigger configuration, a periodic report configuration, a report interval, and a report amount.
13. The apparatus of claim 12 , wherein the event trigger configuration comprises a threshold and a hysteresis parameter for each event.
14. The apparatus of claim 12 , wherein the reference signal comprises a demodulation reference signal (DMRS).
15. The apparatus of claim 11 , wherein the device-to-device link measurement result comprises a result for each sidelink, the result for each sidelink including a reference signal received power (RSRP) measurement.
16. A wireless communications apparatus comprising a processor and a memory storing instructions, execution of which by the processor causes the apparatus to:
transmit, to a first wireless device, a device-to-device link measurement configuration,
wherein the device-to-device link measurement configuration includes a value indicating a peer wireless device, a sidelink carrier frequency, and a Layer 3 (L3) filtering coefficient, and
wherein the first wireless device is enabled to: (1) perform a device-to-device link measurement procedure based on the device-to-device link measurement configuration, and (2) in response, transmit, to the peer wireless device, a device-to-device link measurement result; and
receive, from the first wireless device, a device-to-device link status, wherein the device-to-device link status comprises a device-to-device link failure indication and a UE ID.
17. The apparatus of claim 16 , wherein the first wireless device is enabled to receive a sidelink measurement report configuration comprising a reference signal, an event trigger configuration, a periodic report configuration, a report interval, and a report amount.
18. The apparatus of claim 17 , wherein the event trigger configuration comprises a threshold and a hysteresis parameter for each event.
19. The apparatus of claim 17 , wherein the reference signal comprises a demodulation reference signal (DMRS).
20. The apparatus of claim 16 , wherein the device-to-device link measurement result comprises a result for each sidelink, the result for each sidelink including a reference signal received power (RSRP) measurement.