Discontinuous reception configuration for multi-beam operations
Example embodiments of the present disclosure relate to discontinuous reception configuration for multi-beam operations. A method includes receiving, at a first device and from a second device, configuration information indicating a first plurality of configuration settings associated with a plurality of transmission beams of the second device, the first plurality of configuration settings at least including a first plurality of scrambling identifiers. The method also includes in accordance with a determination that a first transmission beam of the plurality of transmission beams is configured for the first device as a serving beam, selecting, from the first plurality of scrambling identifiers, a first scrambling identifier associated with the first transmission beam. The method further includes monitoring for first control information transmitted by the second device via the first transmission beam using the first scrambling identifier, the first control information indicating presence of data to be transmitted by the second device.
1. A first device comprising:
at least one processor; and
at least one non-transitory memory storing instructions that, when executed with the at least one processor, cause the first device to:
receive, from a second device, configuration information indicating a first plurality of configuration settings associated with a plurality of transmission beams of the second device, the first plurality of configuration settings at least comprising a first plurality of scrambling identifiers;
in accordance with a determination that a first transmission beam of the plurality of transmission beams is configured for the first device as a serving beam, further determines a first scrambling identifier that is explicitly mapped to the first transition beam according to at least one of a beam index or beam identifier of the first transmission beam; and
monitor for first control information transmitted by the second device via the first transmission beam using the first scrambling identifier, the first control information indicating presence of data to be transmitted by the second device,
wherein the instructions, when executed with the at least one processor, further cause the first device to:
in accordance with a determination that the serving beam is switched from the first transmission beam to a second transmission beam of the plurality of transmission beams, select, from the first plurality of scrambling identifiers, a second scrambling identifier associated with the second transmission beam; and
monitor, based on the second scrambling identifier, for second control information transmitted by the second device via the second transmission beam, the second control information indicating presence of further data to be transmitted by the second device.
2. The device of claim 1 , wherein the instructions, when executed with the at least one processor, cause the first device to monitor for the first control information with:
monitoring for the first control information in a discontinuous reception mode.
3. The device of claim 1 , wherein the instructions, when executed with the at least one processor, cause the first device to monitor for the second control information with:
receiving, from the second device, update information of updating the second scrambling identifier associated with the second transmission beam to a third scrambling identifier; and
in response to reception of the update information, monitoring for the second control information using the third scrambling identifier.
4. The device of claim 1 , wherein the first plurality of configuration settings further comprise a plurality of parameter sets associated with the plurality of transmission beams comprising at least one of the following:
a first plurality of location parameters indicating respective bit locations of a wake-up indication within control information transmitted from the second device via the plurality of transmission beams,
a plurality of dormancy indications applicable to control information transmitted by the second device via the plurality of transmission beams, the plurality of dormancy indications indicating dormancy of at least one secondary cell of the first device outside an on-duration of discontinuous reception,
a plurality of time parameters indicating respective start time points for monitoring control information transmitted from the second device via the plurality of transmission beams, or
a plurality of payload sizes of control information transmitted from the second device via the plurality of transmission beams.
5. The device of claim 4 , wherein the instructions, when executed with the at least one processor, cause the first device to monitor for the first control information with:
selecting, from the plurality of parameter sets, a first parameter set associated with the first transmission beam; and
monitoring for the first control information based on the first parameter set.
6. The device of claim 1 , wherein the first control information comprises at least one of:
a wake-up indication to indicate whether the first device wakes up or not in an on-duration of discontinuous reception, or
a dormancy indication to indicate dormancy of at least one secondary cell of the first device outside the on-duration of the discontinuous reception.
7. The device of claim 1 , wherein the first plurality of scrambling identifiers comprises a plurality of power saving radio network temporary identifiers.
8. The device of claim 1 , wherein the configuration information further indicates a second plurality of configuration settings associated with the plurality of transmission beams, the second plurality of configuration settings at least comprising a second plurality of scrambling identifiers; and
wherein the instructions, when executed with the at least one processor, cause the first device to select the first scrambling identifier set with:
receiving, from the second device, information indicating whether the first plurality of configuration settings or the second plurality of configuration settings is applicable for the first device; and
in accordance with a determination that the first plurality of configuration settings is applicable for the first device, selecting the first scrambling identifier from the first plurality of scrambling identifiers.
9. The device of claim 1 , wherein the first device comprises a terminal device, and the second device comprises a network device.
10. A second device comprising:
at least one processor; and
at least one non-transitory memory storing instructions that, when executed with the at least one processor, cause the second device to:
transmit, to a first device, configuration information indicating a first plurality of configuration settings associated with a plurality of transmission beams of the second device, the first plurality of configuration settings at least comprising a first plurality of scrambling identifiers;
in accordance with a determination that a first transmission beam of the plurality of transmission beams is configured for the first device as a serving beam, generate first control information with scrambling the first control information with a first scrambling identifier of the first plurality of scrambling identifiers that is explicitly mapped to the first transition bean according to at least one of a beam index or beam identifier of the first transmission beam, the first control information indicating presence of data to be transmitted with the second device; and
transmit the first scrambled control information to the first device via the first transmission beam,
wherein the instructions, when executed with the at least one processor, further cause the second device to:
in accordance with a determination that the serving beam is switched from the first transmission beam to a second transmission beam of the plurality of transmission beams, generate second control information based on a second scrambling identifier of the first plurality of scrambling identifiers associated with the second transmission beam, the second control information indicating presence of further data to be transmitted with the second device; and
transmit the second scrambled control information to the first device via the second transmission beam.
11. The device of claim 10 , wherein the instructions, when executed with the at least one processor, cause the second device to generate the first control information with:
in accordance with a determination that the first transmission beam is configured for the first device as the serving beam and a further determination that data is to be transmitted to the first device, scrambling the first control information with the first scrambling identifier.
12. The device of claim 10 , wherein the instructions, when executed with the at least one processor, cause the device to generate the second control information with:
transmitting, to the first device, update information of updating the second scrambling identifier associated with the second transmission beam to a third scrambling identifier; and
in response to transmission of the update information, scrambling the second control information with the third scrambling identifier.
13. The device of claim 10 , wherein the first plurality of configuration settings further comprise a plurality of parameter sets associated with the plurality of transmission beams comprising at least one of the following:
a first plurality of location parameters indicating respective bit locations of a wake-up indication within control information transmitted from the second device via the plurality of transmission beams,
a plurality of dormancy indications applicable to control information transmitted with the second device via the plurality of transmission beams, the plurality of dormancy indications indicating dormancy of at least one secondary cell of the first device outside an on-duration of discontinuous reception,
a plurality of time parameters indicating respective start time points for monitoring control information transmitted from the second device via the plurality of transmission beams, or
a plurality of payload sizes of control information transmitted from the second device via the plurality of transmission beams.
14. The device of claim 13 , wherein the instructions, when executed with the at least one processor, cause the second device to generate the first control information with:
selecting, from the plurality of parameter sets, a first parameter set associated with the first transmission beam; and
generating the first control information based on the first parameter set.
15. The device of claim 10 , wherein the configuration information further indicates a second plurality of configuration settings associated with the plurality of transmission beams, the second plurality of configuration settings at least comprising a second plurality of scrambling identifiers;
wherein the instructions, when executed with the at least one processor, further cause the second device to transmit, to the first device, information indicating whether the first plurality of configuration settings or the second plurality of configuration settings is applicable for the first device; and
wherein the instructions, when executed with the at least one processor, cause the second device to generate first control information with:
in accordance with a determination that the first plurality of configuration settings is applicable for the first device, selecting the first scrambling identifier from the first plurality of scrambling identifiers.
16. A method comprising:
receiving, at a first device and from a second device, configuration information indicating a first plurality of configuration settings associated with a plurality of transmission beams of the second device, the first plurality of configuration settings at least comprising a first plurality of scrambling identifiers;
in accordance with a determination that a first transmission beam of the plurality of transmission beams is configured for the first device as a serving beam, determining a first scrambling identifier that is explicitly mapped to the first transition bean according to at least one of a beam index or beam identifier of the first transmission beam; and
monitoring for first control information transmitted with the second device via the first transmission beam using the first scrambling identifier, the first control information indicating presence of data to be transmitted with the second device,
wherein the configuration information further indicates a second plurality of configuration settings associated with the plurality of transmission beams, the second plurality of configuration settings at least comprising a second plurality of scrambling identifiers; and
in accordance with a determination that the first plurality of configuration settings is applicable for the first device, selecting the first scrambling identifier from the first plurality of scrambling identifiers.
17. The method of claim 16 , wherein monitoring for the first control information comprises:
monitoring for the first control information in a discontinuous reception mode.
18. The method of claim 16 , further comprising:
in accordance with a determination that the serving beam is switched from the first transmission beam to a second transmission beam of the plurality of transmission beams, selecting, from the first plurality of scrambling identifiers, a second scrambling identifier associated with the second transmission beam; and
monitoring, based on the second scrambling identifier, for second control information transmitted with the second device via the second transmission beam, the second control information indicating presence of further data to be transmitted with the second device.
19. The method of claim 17 , wherein monitoring for the second control information comprises:
receiving, from the second device, update information of updating the second scrambling identifier associated with the second transmission beam to a third scrambling identifier; and
in response to reception of the update information, monitoring for the second control information using the third scrambling identifier.
20. The method of claim 16 , wherein the first plurality of configuration settings further comprise a plurality of parameter sets associated with the plurality of transmission beams comprising at least one of the following:
a first plurality of location parameters indicating respective bit locations of a wake-up indication within control information transmitted from the second device via the plurality of transmission beams,
a plurality of dormancy indications applicable to control information transmitted with the second device via the plurality of transmission beams, the plurality of dormancy indications indicating dormancy of at least one secondary cell of the first device outside an on-duration of discontinuous reception,
a plurality of time parameters indicating respective start time points for monitoring control information transmitted from the second device via the plurality of transmission beams, or
a plurality of payload sizes of control information transmitted from the second device via the plurality of transmission beams.
21. The method of claim 20 , wherein monitoring for the first control information comprises:
selecting, from the plurality of parameter sets, a first parameter set associated with the first transmission beam; and
monitoring for the first control information based on the first parameter set.
22. The method of claim 16 , wherein the first control information comprises at least one of:
a wake-up indication to indicate whether the first device wakes up or not in an on-duration of discontinuous reception, or
a dormancy indication to indicate dormancy of at least one secondary cell of the first device outside the on-duration of the discontinuous reception.
23. The method of claim 16 , wherein the first plurality of scrambling identifiers comprises a plurality of power saving-radio network temporary identifiers.
24. A method comprising:
transmitting, at a second device and to a first device, configuration information indicating a first plurality of configuration settings associated with a plurality of transmission beams of the second device, the first plurality of configuration settings at least comprising a first plurality of scrambling identifiers;
in accordance with a determination that a first transmission beam of the plurality of transmission beams is configured for the first device as a serving beam, generating first control information with scrambling the first control information with a first scrambling identifier of the first plurality of scrambling identifiers that is explicitly mapped to the first transition bean according to at least one of a beam index or beam identifier of the first transmission beam, the first control information indicating presence of data to be transmitted with the second device; and
transmitting the first scrambled control information to the first device via the first transmission beam,
wherein the configuration information further indicates a second plurality of configuration settings associated with the plurality of transmission beams, the second plurality of configuration settings at least comprising a second plurality of scrambling identifiers;
wherein the method further comprises: transmitting, to the first device, information indicating whether the first plurality of configuration settings or the second plurality of configuration settings is applicable for the first device; and
wherein generating first control information comprises in accordance with a determination that the first plurality of configuration settings is applicable for the first device, selecting the first scrambling identifier from the first plurality of scrambling identifiers.
25. The method of claim 24 , wherein generating the first control information comprises:
in accordance with a determination that the first transmission beam is configured for the first device as the serving beam and a further determination that data is to be transmitted to the first device, scrambling the first control information with the first scrambling identifier.
26. The method of claim 24 , further comprising:
in accordance with a determination that the serving beam is switched from the first transmission beam to a second transmission beam of the plurality of transmission beams, generating second control information based on a second scrambling identifier of the first plurality of scrambling identifiers associated with the second transmission beam, the second control information indicating presence of further data to be transmitted with the second device; and
transmitting the second scrambled control information to the first device via the second transmission beam.
27. The method of claim 26 , wherein generating the second control information comprises:
transmitting, to the first device, update information of updating the second scrambling identifier associated with the second transmission beam to a third scrambling identifier; and
in response to transmission of the update information, scrambling the second control information with the third scrambling identifier.
28. The method of claim 24 , wherein the first plurality of configuration settings further comprise a plurality of parameter sets associated with the plurality of transmission beams comprising at least one of the following:
a first plurality of location parameters indicating respective bit locations of a wake-up indication within control information transmitted from the second device via the plurality of transmission beams,
a plurality of dormancy indications applicable to control information transmitted with the second device via the plurality of transmission beams, the plurality of dormancy indications indicating dormancy of at least one secondary cell of the first device outside an on-duration of discontinuous reception,
a plurality of time parameters indicating respective start time points for monitoring control information transmitted from the second device via the plurality of transmission beams, or
a plurality of payload sizes of control information transmitted from the second device via the plurality of transmission beams.
29. The method of claim 28 , wherein generating the first control information comprises:
selecting, from the plurality of parameter sets, a first parameter set associated with the first transmission beam; and
generating the first control information based on the first parameter set.
30. A non-transitory program storage device readable by an apparatus, tangibly embodying a program of instructions executable with the apparatus for performing operations, the operations comprising the method as claimed in claim 16 .
31. A non-transitory program storage device readable by an apparatus, tangibly embodying a program of instructions executable with the apparatus for performing operations, the operations comprising the method as claimed in claim 24 .