Abstract
A method an apparatus and a computer program product for wireless communication are provided. The apparatus receives by a user equipment (UE) during a first subframe an indication of a dynamic uplink / downlink (UL/DL) subframe configuration. The apparatus determines an uplink hybrid automatic repeat request (HARQ) timing based on an uplink reference subframe configuration and at least one of the dynamic UL/DL subframe configuration or a downlink reference subframe configuration. The apparatus selects an uplink subframe for communication based on the determined uplink HARQ timing.
Technologies
Feedback
Product
Use Cases
Wireless communication
Services
Claim
1. A method of wireless communications in a time division duplex (TDD) long term evolution (LTE) based network, comprising:', 'receiving, by a user equipment (UE) during a first subframe, an indication of a dynamic uplink / downlink (UL/DL) subframe configuration;', 'determining an uplink hybrid automatic repeat request (HARQ) timing based on an uplink reference subframe configuration and at least one of the dynamic UL/DL subframe configuration or a downlink reference subframe configuration; and', 'selecting an uplink subframe for communication based on the determined uplink HARQ timing.
2. The method of claim 1, wherein the selecting further comprises:', 'determining an uplink index based on the dynamic UL/DL subframe configuration, wherein the uplink subframe is selected based on the uplink index.
3. The method of claim 2, wherein the uplink index is a first value when the dynamic UL/DL subframe configuration indicates one or more subframe numbers are associated with a subframe for uplink, and the uplink index is a second value when the dynamic UL/DL subframe configuration indicates the one or more subframe numbers are not associated with the subframe for uplink.
4. The method of claim 2, wherein the receiving further comprises receiving downlink control information (DCI), the method further comprising:', 'interpreting a field in the DCI as the uplink index when the determined uplink HARQ reference configuration is a UL/DL subframe configuration and the dynamic UL/DL subframe configuration is the UL/DL subframe configuration; and', 'interpreting the field in the DCI as an uplink DAI when at least one of the determined uplink HARQ reference configuration or the dynamic UL/DL subframe configuration is not the UL/DL subframe configuration.
5. The method of claim 1, further comprising:', 'receiving an uplink grant in a last downlink subframe of a downlink association
set of the selected uplink subframe, wherein the last downlink subframe is determined based on the downlink reference subframe configuration.
6. The method of claim 5, wherein the last downlink subframe of the downlink association set is located subsequent to a fixed downlink subframe used to receive another uplink grant.
7. The method of claim 6, further comprising:', 'selecting one of the uplink grant from the last downlink subframe of the downlink association set or the other uplink grant from the fixed downlink subframe based on at least one of:', 'a time of decoding the uplink grant and a time of decoding the other uplink grant, or', 'an indicator in the dynamic UL/DL subframe configuration.
8. A method of wireless communications in a time division duplex (TDD) long term evolution (LTE) based network, comprising:', 'determining at least one of a parameter for a hybrid automatic repeat request (HARQ) message bundling or a HARQ message codebook, wherein the parameter for the HARQ message bundling is determined based on a size of a downlink association set of subframes detected by a user equipment, and the HARQ message codebook is determined based on at least one of the size of the downlink association set of subframes or a size of a dynamic set of subframes excluding one or more flexible uplink subframes; and', 'transmitting one or more HARQ messages based on at least one of the parameter or the HARQ message codebook.
9. The method of claim 8, wherein the one or more flexible uplink subframes are determined from a dynamic uplink/downlink subframe configuration
10. An apparatus for wireless communications in a time division duplex (TDD) long term evolution (LTE) based network, comprising:', 'means for receiving, by a user equipment (UE) during a first subframe, an indication of a dynamic uplink / downlink (UL/DL) subframe configuration;
means for determining an uplink hybrid automatic repeat request (HARQ) timing based on an uplink reference subframe configuration and at least one of the dynamic UL/DL subframe configuration or a downlink reference subframe', 'configuration; and', 'means for selecting an uplink subframe for communication based on the determined uplink HARQ timing
11. The apparatus of claim 10, wherein the means for selecting is further configured to determine an uplink index based on the dynamic UL/DL subframe configuration, wherein the uplink subframe is selected based on the uplink index
12. The apparatus of claim 11, wherein the uplink index is a first value when the dynamic UL/DL subframe configuration indicates one or more subframe numbers are associated with a subframe for uplink, and the uplink index is a second value when the dynamic UL/DL subframe configuration indicates the one or more subframe numbers are not associated with the subframe for uplink
13. The apparatus of claim 11, wherein the means for receiving is further configured to receive downlink control information (DCI), the apparatus further comprising:', 'means for interpreting a field in the DCI as the uplink index when the determined uplink HARQ reference configuration is a UL/DL subframe configuration and the dynamic UL/DL subframe configuration is the UL/DL subframe configuration; and', 'means for interpreting the field in the DCI as an uplink DAI when at least one of the determined uplink HARQ reference configuration or the dynamic UL/DL subframe configuration is not the UL/DL subframe configuration
14. The apparatus of claim 10, further comprising:', 'means for receiving an uplink grant in a last downlink subframe of a downlink association set of the selected uplink subframe, wherein the last downlink subframe is determined based on the downlink reference subframe configuration
15. The apparatus of claim 14, wherein the last downlink subframe of the downlink association set is located subsequent to a fixed downlink subframe used to receive another uplink grant
16. The apparatus of claim 15, further comprising:', 'means for selecting one of the uplink grant from the last downlink subframe of the downlink association set or the other uplink grant from the fixed downlink subframe based on at least one of:', 'a time of decoding the uplink grant and a time of decoding the other uplink grant, or', 'an indicator in the dynamic UL/DL subframe configuration
17. An apparatus of wireless communications in a time division duplex (TDD) long term evolution (LTE) based network, comprising:', 'means for determining at least one of a parameter for a hybrid automatic repeat request (HARQ) message bundling or a HARQ message codebook, wherein the parameter for the HARQ message bundling is determined based on a size of a downlink association set of subframes detected by a user equipment, and the HARQ message codebook is determined based on at least one of the size of the downlink association set of subframes or a size of a dynamic set of subframes excluding one or more flexible uplink subframes; and', 'means for transmitting one or more HARQ messages based on at least one of the parameter or the HARQ message codebook
18. The apparatus of claim 17, wherein the one or more flexible uplink subframes are determined from a dynamic uplink/downlink subframe configuration
19. An apparatus for wireless communications in a time division duplex (TDD) long term evolution (LTE) based network, comprising:', 'a memory; and', 'at least one processor coupled to the memory and configured to:', 'receive, by a user equipment (UE) during a first subframe, an indication of a dynamic uplink / downlink (UL/DL) subframe configuration;
determine an uplink hybrid automatic repeat request (HARQ) timing based on an uplink reference subframe configuration and at least one of the dynamic UL/DL subframe configuration or a downlink reference subframe configuration; and', 'select an uplink subframe for communication based on the determined uplink HARQ timing.
20. The apparatus of claim 19, wherein the at least one processor is configured to select the uplink subframe by determining an uplink index based on the dynamic UL/DL subframe configuration, wherein the uplink subframe is selected based on the uplink index.
21. The apparatus of claim 20, wherein the uplink index is a first value when the dynamic UL/DL subframe configuration indicates one or more subframe numbers are associated with a subframe for uplink, and the uplink index is a second value when the dynamic UL/DL subframe configuration indicates the one or more subframe numbers are not associated with the subframe for uplink.
22. The apparatus of claim 20, wherein the at least one processor is further configured to receive downlink control information (DCI), the at least one processor being further configured to:', 'interpret a field in the DCI as the uplink index when the determined uplink HARQ reference configuration is a UL/DL subframe configuration and the dynamic UL/DL subframe configuration is the UL/DL subframe configuration; and', 'interpret the field in the DCI as an uplink DAI when at least one of the determined uplink HARQ reference configuration or the dynamic UL/DL subframe configuration is not the UL/DL subframe configuration.
23. The apparatus of claim 19, wherein the at least one processor is further configured to:', 'receive an uplink grant in a last downlink subframe of a downlink association set of the selected uplink subframe, wherein the last downlink subframe is determined based on the downlink reference subframe configuration.
24. The apparatus of claim 23, wherein the last downlink subframe of the downlink association set is located subsequent to a fixed downlink subframe used to receive another uplink grant.
25. The apparatus of claim 24, wherein the at least one processor is further configured to:', 'select one of the uplink grant from the last downlink subframe of the downlink association set or the other uplink grant from the fixed downlink subframe based on at least one of:', 'a time of decoding the uplink grant and a time of decoding the other uplink grant, or', 'an indicator in the dynamic UL/DL subframe configuration.
26. An apparatus for wireless communications in a time division duplex (TDD) long term evolution (LTE) based network, comprising:', 'a memory; and', 'at least one processor coupled to the memory and configured to:', 'determine at least one of a parameter for a hybrid automatic repeat request (HARQ) message bundling or a HARQ message codebook, wherein the parameter for the HARQ message bundling is determined based on a size of a downlink association set of subframes detected by a user equipment, and the HARQ message codebook is determined based on at least one of the size of the downlink association set of subframes or a size of a dynamic set of subframes excluding one or more flexible uplink subframes; and', 'transmit one or more HARQ messages based on at least one of the parameter or the HARQ message codebook.
27. The apparatus of claim 26, wherein the one or more flexible uplink subframes are determined from a dynamic uplink/downlink subframe configuration.
28. A computer program product, comprising:', 'a computer-readable medium comprising code for:', 'receiving, by a user equipment (UE) during a first subframe, an indication of a dynamic uplink / downlink (UL/DL) subframe configuration;
determining an uplink hybrid automatic repeat request (HARQ) timing based on an uplink reference subframe configuration and at least one of the dynamic UL/DL subframe configuration or a downlink reference subframe configuration; and selecting an uplink subframe for communication based on the determined uplink HARQ timing.
29. The computer program product of claim 28, wherein the selecting further comprises:', 'determining an uplink index based on the dynamic UL/DL subframe', 'configuration, wherein the uplink subframe is selected based on the uplink index.
30. The computer program product of claim 29, wherein the uplink index is a first value when the dynamic UL/DL subframe configuration indicates one or more subframe numbers are associated with a subframe for uplink, and the uplink index is a second value when the dynamic UL/DL subframe configuration indicates the one or more subframe numbers are not associated with the subframe for uplink.
31. The computer program product of claim 29, wherein the receiving further comprises receiving downlink control information (DCI), the computer program product further comprising:', 'interpreting a field in the DCI as the uplink index when the determined uplink HARQ reference configuration is a UL/DL subframe configuration and the dynamic UL/DL subframe configuration is the UL/DL subframe configuration; and', 'interpreting the field in the DCI as an uplink DAI when at least one of the determined uplink HARQ reference configuration or the dynamic UL/DL subframe configuration is not the UL/DL subframe configuration.
32. The computer program product of claim 28, further comprising:', 'receiving an uplink grant in a last downlink subframe of a downlink association set of the selected uplink subframe, wherein the last downlink subframe is determined based on the downlink reference subframe configuration.
33. The computer program product of claim 32, wherein the last downlink subframe of the downlink association set is located subsequent to a fixed downlink subframe used to receive another uplink grant.
34. The computer program product of claim 33, further comprising:', 'selecting one of the uplink grant from the last downlink subframe of the downlink association set or the other uplink grant from the fixed downlink subframe based on at least one of:', 'a time of decoding the uplink grant and a time of decoding the other uplink grant, or', 'an indicator in the dynamic UL/DL subframe configuration.
35. A computer program product, comprising:', 'a computer-readable medium comprising code for:', 'determining at least one of a parameter for a hybrid automatic repeat request (HARQ) message bundling or a HARQ message codebook, wherein the parameter for the HARQ message bundling is determined based on a size of a downlink association set of subframes detected by a user equipment, and the HARQ message codebook is determined based on at least one of the size of the downlink association set of subframes or a size of a dynamic set of subframes excluding one or more flexible uplink subframes; and', 'transmitting one or more HARQ messages based on at least one of the parameter or the HARQ message codebook.
36. The computer program product of claim 35, wherein the one or more flexible uplink subframes are determined from a dynamic uplink/downlink subframe', 'configuration.']
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SUMMARY
ClaimChart-WO2015042835A1-STO
Patent number:WO2015042835A1
Claim Chart Type : SEP Claim Chart
Price: 200 €
Note:
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.