Abstract
A method of uplink control information (UCI) transmission for a user equipment in a communication system includes determining information associated with a first maximum payload size configured for a first physical uplink control channel (PUCCH) format; and transmitting a first channel status information (CSI) subset on a first PUCCH with the first PUCCH format to the network node. The first CSI subset corresponds to the first group of serving cells, and the first PUCCH is associated with a first group of serving cells. The first maximum payload size is configurable.
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| 4G | 29/03/2021 | ISLD-202103-028 | ACER INC | Yes | Basis Patent | ||||
| 5G | 29/03/2021 | ISLD-202103-028 | ACER INC |
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method of uplink control information (UCI) transmission for a user equipment in a communication system, the method comprising:
determining information associated with a first maximum payload size configured for a first physical uplink control channel (PUCCH) format, wherein the first maximum payload size is configurable; and transmitting a first channel status information (CSI) subset on a first PUCCH with the first PUCCH format to a network node, wherein the first CSI subset corresponds to a first group of serving cells, and the first PUCCH is associated with the first group of serving cells.
2. The method of claim 1, wherein a number of CSI reports in the first CSI subset is not larger than a predetermined number.
3. The method of claim 1, wherein a number of CSI reports in the first CSI subset is able to be larger than 1.
4. The method of claim 1, further comprising:
determining information associated with a second maximum payload size configured for a second PUCCH format; and transmitting a second CSI subset on a second PUCCH with the second PUCCH format to the network node, wherein the second CSI subset corresponds to a second group of serving cells, and the second PUCCH is associated with the second group of serving cells.
5. The method of claim 4, wherein the second PUCCH format is a PUCCH format 2, a PUCCH format 2a, a PUCCH format 2b, a PUCCH format 3 specified in Long Term Evolution (LTE) or a PUCCH format X with a configurable maximum payload size, the first PUCCH format is the PUCCH format X or a PUCCH format Y, and X and Y are positive integers.
6. The method of claim 1, further comprising:
ranking CSI reports in a first CSI set corresponding to the first group of serving cells according to at least one of reporting types, CSI process identifiers (ID), serving cell indexes, and CSI subframe sets, wherein the first CSI set comprises the first CSI subset to be transmitted at a time instant and a third CSI subset to be dropped, and at least one priority of at least one CSI report in the third CSI subset is lower than at least one priority of at least one CSI report in the first CSI subset.
7. The method of claim 1, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node comprises:
transmitting the first CSI subset to the network node and dropping a third CSI subset when a total bit length of the first CSI subset is not greater than a first predetermined value and when a total bit length of the first CSI subset and a third CSI report in the third CSI subset is greater than the first predetermined value, wherein the third CSI report has a highest priority in the third CSI subset.
8. The method of claim 7, wherein the first predetermined value is the first maximum payload size of the first PUCCH format.
9. The method of claim 1, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node comprises:
transmitting the first CSI subset and a first hybrid automatic repeat request (HARQ) acknowledgment on the first PUCCH with the first PUCCH format to the network node and dropping a third CSI subset when a total bit length of the first HARQ acknowledgment and the first CSI subset is not greater than the first maximum payload size and when a total bit length of the first HARQ acknowledgment, the first CSI subset and a third CSI report in the third CSI subset is greater than the first maximum payload size, wherein the third CSI report has a highest priority in the third CSI subset.
10. The method of claim 9, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node further comprises:
compressing a size of the first HARQ acknowledgment in advance of dropping at least one CSI report in the third CSI subset; or compressing the size of the first HARQ acknowledgment in advance of transmitting the first CSI subset or the first HARQ acknowledgment, wherein a spatial domain bundling or a time domain bundling is applied to at least one serving cell in the first group in order to compress the first HARQ acknowledgment.
11. The method of claim 9, wherein the first CSI subset is an empty set when all CSI reports in the first CSI set is dropped.
12. The method of claim 6, wherein a second CSI report with a second priority in the first CSI set is dropped in advance of a first CSI report with a first priority in the first CSI set, and the second priority is lower than the first priority.
13. The method of claim 6, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node comprises:
at least one CSI report in the third CSI subset is dropped when the at least one CSI report belongs to a subband CSI report; or a second CSI report with a second dropping number in the first CSI set is dropped in advance of a first CSI report with a first dropping number in the first CSI set when the second dropping number is smaller than the first dropping number or a threshold value.
14. A communication device, comprising:
a storage unit, configured to store a program code; and a processing unit, configured to execute the program code, wherein a method of uplink control information (UCI) transmission compiled into the program code comprises:
determining information associated with a first maximum payload size configured for a first physical uplink control channel (PUCCH) format, wherein the first maximum payload size is configurable; and
transmitting a first channel status information (CSI) subset on a first PUCCH with the first PUCCH format to a network node, wherein the first CSI subset corresponds to a first group of serving cells, and the first PUCCH is associated with the first group of serving cells.
15. The communication device of claim 14, wherein a number of CSI reports in the first CSI subset is not larger than a predetermined number.
16. The communication device of claim 14, wherein a number of CSI reports in the first CSI subset is able to be larger than 1.
17. The communication device of claim 14, wherein the method further comprises:
determining information associated with a second maximum payload size configured for a second PUCCH format; and transmitting a second CSI subset on a second PUCCH with the second PUCCH format to the network node, wherein the second CSI subset corresponds to a second group of serving cells, and the second PUCCH is associated with the second group of serving cells.
18. The communication device of claim 17, wherein the second PUCCH format is a PUCCH format 2, a PUCCH format 2a, a PUCCH format 2b, a PUCCH format 3 specified in Long Term Evolution (LTE) or a PUCCH format X with a configurable maximum payload size, the first PUCCH format is the PUCCH format X or a PUCCH format Y, and X and Y are positive integers.
19. The communication device of claim 14, wherein the method further comprises:
ranking CSI reports in a first CSI set corresponding to the first group of serving cells according to at least one of reporting types, CSI process identifiers (ID), serving cell indexes, and CSI subframe sets, wherein the first CSI set comprises the first CSI subset to be transmitted at a time instant and a third CSI subset to be dropped, and at least one priority of at least one CSI report in the third CSI subset is lower than at least one priority of at least one CSI report in the first CSI subset.
20. The communication device of claim 14, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node comprises:
transmitting the first CSI subset to the network node and dropping a third CSI subset when a total bit length of the first CSI subset is not greater than a first predetermined value and when a total bit length of the first CSI subset and a third CSI report in the third CSI subset is greater than the first predetermined value, wherein the third CSI report has a highest priority in the third CSI subset.
21. The communication device of claim 20, wherein the first predetermined value is the first maximum payload size of the first PUCCH format.
22. The communication device of claim 14, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node comprises:
transmitting the first CSI subset and a first hybrid automatic repeat request (HARQ) acknowledgment on the first PUCCH with the first PUCCH format to the network node and dropping a third CSI subset when a total bit length of the first HARQ acknowledgment and the first CSI subset is not greater than the first maximum payload size and when a total bit length of the first HARQ acknowledgment, the first CSI subset and a third CSI report in the third CSI subset is greater than the first maximum payload size, wherein the third CSI report has a highest priority in the third CSI subset.
23. The communication device of claim 22, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node further comprises:
compressing a size of the first HARQ acknowledgment in advance of dropping at least one CSI report in the third CSI subset; or compressing the size of the first HARQ acknowledgment in advance of transmitting the first CSI subset or the first HARQ acknowledgment, wherein a spatial domain bundling or a time domain bundling is applied to at least one serving cell in the first group in order to compress the first HARQ acknowledgment.
24. The communication device of claim 22, wherein the first CSI subset is an empty set when all CSI reports in the first CSI set is dropped.
25. The communication device of claim 19, wherein a second CSI report with a second priority in the first CSI set is dropped in advance of a first CSI report with a first priority in the first CSI set, and the second priority is lower than the first priority.
26. The communication device of claim 19, wherein the step of transmitting the first CSI subset on the first PUCCH with the first PUCCH format to the network node comprises:
at least one CSI report in the third CSI subset is dropped when the at least one CSI report belongs to a subband CSI report; or a second CSI report with a second dropping number in the first CSI set is dropped in advance of a first CSI report with a first dropping number in the first CSI set when the second dropping number is smaller than the first dropping number or a threshold value.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.