Methods, apparatuses and systems for configuring/reconfiguring physical channel monitoring occasion in a wireless network

1. A wireless transmit/receive unit (WTRU) comprising circuitry, including a transmitter, a receiver, a processor and memory, configured to:

receive first and second beams of physical downlink channel transmissions on respective monitoring occasions according to respective first and second monitoring occasions configurations;

determine at least one of (i) a third monitoring occasions configuration, different from the first monitoring occasions configuration, for the first beam based on first measurements of, or associated with, the first beam and (ii) a fourth monitoring occasions configuration, different from the second monitoring occasions configuration, for the second beam based on second measurements of, or associated with, the second beam;

transmit, to a network, information indicating the at least one of the third and fourth monitoring occasion configurations; and

receive the first and second beams, wherein:

at least one of first and second beams is received on respective monitoring occasions according to the at least one of the third and fourth monitoring occasions configurations; and

at most one of the first and second beams is received on monitoring occasions according to the corresponding first and the second monitoring occasion.

2. The WTRU of claim 1 , wherein each of the monitoring occasions and each of the first, second, third and fourth monitoring occasions configurations comprises at least one of a periodicity and a duration.

3. The WTRU of claim 1 , wherein the circuitry being configured to determine the at least one of the third and fourth monitoring occasions configurations comprises the circuitry being configured to determine at least one of:

both the third and fourth monitoring occasions configurations based on first and second channel conditions for the first and second beams, respectively, being satisfactory or better than satisfactory, wherein the third and fourth monitoring occasions configurations comprise respective periodicities having longer intervals than first and second periodicities of the first and second monitoring occasions;

both the third and fourth monitoring occasions configurations based on the first and second channel conditions being less than satisfactory, wherein the third and fourth monitoring occasions configurations comprise respective periodicities having shorter intervals than the first and second periodicities;

one of the third and fourth monitoring occasions configurations based on the corresponding one of the first and second channel conditions being satisfactory or better than satisfactory, wherein the corresponding one of the third and fourth monitoring occasions configurations comprises a periodicity having a longer interval than the corresponding one of the first and second periodicities; and

one of the third and fourth monitoring occasions configurations based on the corresponding one of the first and second channel conditions being unsatisfactory, wherein the corresponding one of the third and fourth monitoring occasions configurations comprises a periodicity having a shorter interval than the corresponding one of the first and second periodicities.

4. The WTRU of claim 1 , wherein the first and second beams are beamformed directional beams.

5. The WTRU of claim 1 , wherein any of the first and second measurements comprises at least one of:

a beam management measurement;

an interference measurement based on a beam-specific channel state information reference signal;

an interference measurement based on a synchronization signal block;

a beam specific channel quality measurement;

a beam link monitoring measurement;

a beam specific physical downlink channel decoding result;

a hypothetical physical downlink channel block error rate;

a successful reception of a physical downlink control channel transmission in an association window;

one or more hybrid automatic repeat request acknowledgments associated with a physical downlink control channel transmission;

one or more hybrid automatic repeat request non-acknowledgements associated with a physical downlink control channel transmission; and

one or more discrete transmissions associated with a physical downlink control channel transmission.

6. The WTRU of claim 1 , wherein the circuitry is configured to, responsive to a beam failure for at least one of the first and second beams, transmit to the network information to request reconfiguration of current monitoring occasions, and wherein the current monitoring occasions are based, at least in part, on the at least one of the third and fourth monitoring occasions configurations.

7. The WTRU of claim 1 , wherein the information indicating the at least one of the third and fourth monitoring occasions configurations comprises at least one index associated with the at least one of the third and fourth monitoring occasions configurations.

8. The WTRU of claim 7 , wherein the circuitry is configured to receive, from the network, a confirmation of the at least one of the third and fourth monitoring occasion configurations.

9. The WTRU of claim 1 , wherein the physical downlink channel transmissions comprise any of one or more physical downlink control channel transmissions and one or more physical downlink shared channel transmissions.

10. The WTRU of claim 1 , wherein at least one of:

the third monitoring occasions configuration comprises a periodicity different from a periodicity of the first monitoring occasion;

the third monitoring occasions configuration comprises a duration different from a duration of the first monitoring occasion;

the fourth monitoring occasions configuration comprises a periodicity different from a periodicity of the second monitoring occasion; and

the fourth monitoring occasions configuration comprises a duration different from a duration of the second monitoring occasion.

11. The WTRU of claim 1 , wherein the circuitry is configured to receive information indicating one or more beam specific monitoring configurations, and wherein the one or more beam specific monitoring configurations comprise the first and second monitoring occasions configurations.

12. A method implemented in a wireless transmit/receive unit (WTRU), the method comprising:

receiving first and second beams of a-physical downlink channel transmissions on respective monitoring occasions according to respective first and second monitoring occasions configurations;

determining, by the WTRU, at least one of (i) a third monitoring occasions configuration, different from the first monitoring occasions configuration, for the first beam based on measurements of, or associated with, the first beam and (ii) a fourth monitoring occasions configuration, different from the second monitoring occasions configuration, for the second beam based on second measurements of, or associated with, the second beam;

transmitting, to a network, information indicating the at least one of the third and fourth monitoring occasion configurations; and

receiving the first and second beams, wherein:

at least one of first and second beams is received on respective monitoring occasions according to the at least one of the third and fourth monitoring occasions configurations; and

at most one of the first and second beams is received on monitoring occasions according to the corresponding first and the second monitoring occasions.

13. The method of claim 12 , wherein each of the monitoring occasions and each of the first, second, third and fourth monitoring occasion configurations comprises at least one of a periodicity and a duration.

14. The method of claim 12 , wherein determining the at least one of the third and fourth monitoring occasions configurations comprises determining at least one of:

both the third and fourth monitoring occasions configurations based on channel conditions for the first and second beams, respectively, being satisfactory or better than satisfactory, wherein the third and fourth monitoring occasions configurations comprise respective periodicities having longer intervals than first and second periodicities of the first and second monitoring occasions;

both the third and fourth monitoring occasions configurations based on the first and second channel conditions being less than satisfactory, wherein the third and fourth monitoring occasions configurations comprise respective periodicities having shorter intervals than the first and second periodicities;

one of the third and fourth monitoring occasions configurations based on the corresponding one of the first and second channel conditions being satisfactory or better than satisfactory, wherein the corresponding one of the third and fourth monitoring occasions configurations comprises a periodicity having a longer interval than the corresponding one of the first and second periodicities; and

one of the third and fourth monitoring occasions configurations based on the corresponding one of the first and second channel conditions being unsatisfactory, wherein the corresponding one of the third and fourth monitoring occasions configurations comprises a periodicity having a shorter interval than the corresponding one of the first and second periodicities.

15. The method of claim 12 , wherein the first and second beams are beamformed directional beams.

16. The method of claim 12 , wherein any of the first and second measurements comprises at least one of:

a beam management measurement;

an interference measurement based on a beam-specific channel state information reference signal;

an interference measurement based on synchronization signal block (SSB);

a beam specific channel quality measurement;

a beam link monitoring measurement;

a beam specific physical downlink channel decoding result;

a hypothetical physical downlink channel block error rate;

a successful reception of a physical downlink control channel transmission in an association window;

one or more hybrid automatic repeat request acknowledgments associated with a physical downlink control channel transmission;

one or more hybrid automatic repeat request non-acknowledgments associated with a physical downlink control channel transmission; and

one or more discrete transmissions associated with a physical downlink control channel transmission.

17. The method of claim 12 , further comprising:

responsive to beam failure for at least one of the first and second beams, transmitting to the network information to request reconfiguration of current monitoring occasions, and wherein the current monitoring occasions are based, at least in part, on the at least one of the third and fourth monitoring occasions configurations.

18. The method of claim 12 , wherein the information indicating the at least one of the third and fourth monitoring occasions configurations comprises at least one index associated with the at least one of the third and fourth monitoring occasions configurations.

19. The method of claim 18 , further comprising receiving, from the network, a confirmation of the at least one of the third and fourth monitoring occasions configurations.

20. The method of claim 12 , wherein the physical downlink channel transmissions comprise any of one or more physical downlink control channel transmissions and one or more physical downlink shared channel transmissions.

21. The method of claim 12 , wherein at least one of:

the third monitoring occasions configuration comprises a periodicity different from a periodicity of the first monitoring occasion

the third monitoring occasions configuration comprises a duration different from a duration of the first monitoring occasion;

the fourth monitoring occasions configuration comprises a periodicity different from a periodicity of the second monitoring occasion; and

the fourth monitoring occasions configuration comprises a duration different from a duration of the second monitoring occasion.

22. The method of claim 12 , comprising receiving information indicating one or more beam specific monitoring configurations, wherein the one or more beam specific monitoring configurations comprise the first and second monitoring occasions configurations.