Harmonized link monitoring and link recovery

1 . An apparatus comprising:

processor circuitry to:

receive first information to configure at least one link management (LM) reference signal (RS) and at least one link recovery (LR) RS;

monitor the at least one LM RS;

detect a pre-alarm condition based on the monitored at least one LM RS;

generate, based on the detection of the pre-alarm condition, an indication of the pre-alarm condition for transmission to a network;

receive, from the network based on the indication of the pre-alarm condition, second information to configure a first LM RS that is not included in the at least one LM RS; and

monitor the first LM RS; and

interface circuitry coupled to the processor circuitry to receive the first information to configure the at least one LM RS and the at least one LR RS.

2 . The apparatus of claim 1 , wherein the processor circuitry is further to:

detect an enhanced out-of-state (eOOS) condition based on an eOOS state of a predetermined number of the at least one LM RS; and

perform an LR evaluation based on the detected eOOS condition.

3 . The apparatus of claim 2 , wherein the predetermined number is one or all of the at least one LM RS.

4 . The apparatus of claim 1 , wherein the processor circuitry is further to:

perform an LR evaluation based on the detected pre-alarm condition.

5 . The apparatus of claim 4 , wherein to perform the LR evaluation the processor circuitry is to:

determine a first LR RS of the at least one LR RS has an acceptable evaluation metric based on a predetermined threshold and transmitting an indication of the first LR RS to the network; or

determine none of the at least one LR RS has an acceptable evaluation metric based on a predetermined threshold and triggering a radio link failure.

6 . The apparatus of claim 5 , wherein the predetermined threshold is a signal-to-interference-plus-noise (SINR) threshold, a block error ratio (BLER) threshold, a reference signal receive quality (RSRQ) threshold, or a reference signal receive power (RSRP) threshold.

7 . The apparatus of claim 1 , wherein the processor circuitry is further to:

determine an evaluation metric of a second LM RS of the at least one LM RS;

compare the evaluation metric to a predetermined threshold; and

detect the pre-alarm condition based on comparison of the evaluation metric to the predetermined threshold.

8 . The apparatus of claim 7 , wherein the predetermined threshold is a signal-to-interference-plus-noise (SINR) threshold, a block error ratio (BLER) threshold, a reference signal receive quality (RSRQ) threshold, or a reference signal receive power (RSRP) threshold.

9 . The apparatus of claim 1 , wherein the at least one LM RS comprises a subset of the at least one LR RS.

10 . An apparatus comprising:

processing circuitry to:

generate first information for transmission to a user equipment (UE) to configure at least one link management (LM) reference signal (RS) and at least one link recovery (LR) RS;

receive an indication of a pre-alarm condition; and

generate, based on the indication, second information for transmission to the UE to configure the UE with an LM RS that is not included in the at least one LM RS; and

interface circuitry coupled with the processing circuitry to transmit the first information.

11 . The apparatus of claim 10 , wherein the indication is a first indication and the processing circuitry is further to:

receive a second indication that indicates a first LR RS of the at least one LR RS has an acceptable quality; and

generate, based on the second indication, third information for transmission to the UE to configure the UE to communicate using a beam or link that corresponds to the first LR RS.

12 . The apparatus of claim 10 , wherein the at least one LM RS and the at least one LR RS comprise synchronization signal and physical broadcast channel (SSB) signals or channel state information-reference signals (CSI-RSs).

13 . The apparatus of claim 12 , wherein the at least one LM RS comprises at least one semi-persistent (SP) CSI-RS or periodic-CSI-RS (P-CSI-RS) and the at least one LR RS comprises at least one aperiodic (AP) CSI-RS, SP CSI-RS, or P-CSI-RS.

14 . The apparatus of claim 10 , wherein the first information is further to configure a pre-alarm threshold or a pre-alarm evaluation duration.

15 . The apparatus of claim 14 , wherein the first information is further to configure a signal-to-noise-plus-interference (SINR), reference signal receive power (RSRP), a block error ratio (BLER), or a reference signal receive quality (RSRQ) values as a pre-alarm threshold.

16 . The apparatus of claim 14 , wherein the first information is to configure pre-alarm thresholds and pre-alarm evaluation durations for individual RSs of the at least one LM RS or is to configure one pre-alarm threshold and one pre-alarm evaluation duration for all of the at least one LM RS.

17 . The apparatus of claim 10 , wherein the first information is further to configure a threshold for detection of an enhanced out-of-sync (eOOS) condition, LR evaluation, or detection of the pre-alarm condition, wherein the threshold is a reference signal receive power (RSRP) threshold, a signal-to-noise-plus-interference ratio (SINR) threshold, a reference signal receive quality (RSRQ) threshold, or a target block error ratio (BLER) threshold.

18 . A method comprising:

receiving first information to configure at least one link management (LM) reference signal (RS) and at least one link recovery (LR) RS;

determining a condition associated with a pre-alarm state; and

monitoring the at least one LM RS for the condition;

detecting the condition based on the monitored at least one LM RS;

generating, based on said detecting the condition, an indication of the condition for transmission to a network;

receiving, from the network based on the indication of the pre-alarm condition, second information to configure a first LM RS that is not included in the at least one LM RS; and

monitoring the first LM RS.

19 . The method of claim 18 , wherein the indication is a first indication and the method further comprises:

generating, for transmission to the network, a second indication that indicates a first LR RS of the at least one LR RS has an acceptable quality; and

receiving, based on the second indication, third information to configure communication using a beam or link that corresponds to the first LR RS.

20 . The method of claim 18 , wherein the first information is further to configure a pre-alarm threshold or a pre-alarm evaluation duration.