Acknowledgement signaling for radio access networks
There is disclosed a method of operating a feedback radio node in a radio access network, the feedback radio node being configured with a set of feedback codebooks. Each codebook of the set indicates an arrangement of one or more subpatterns of feedback bits into feedback information. The method includes transmitting feedback signaling representing feedback information determined based on a codebook selected from the set of feedback codebooks. The disclosure also pertains to related methods and devices.
1. A method of operating a feedback radio node in a radio access network, the feedback radio node being configured with a set of feedback codebooks, each codebook of the set indicating an arrangement of one or more subpatterns of feedback bits into feedback information, the method comprising:
transmitting feedback signaling representing feedback information determined based on a codebook selected from the set of feedback codebooks, the feedback information being scheduled for transmission on a single physical uplink control channel and corresponding to one or both of:
a first physical downlink control channel and a second physical downlink control channel; and
a first physical downlink shared channel and a second physical downlink shared channel.
2. The method according to claim 1 , wherein at least one feedback codebook is a HARQ codebook.
3. The method according to claim 1 , wherein at least one of the first physical downlink shared channel and a second physical downlink shared channel is associated with the single physical uplink control channel based on a PUCCH resource and a time indicated in scheduling downlink control information.
4. The method according to claim 1 , wherein the second physical downlink control channel, the second physical downlink shared channel, and the single physical uplink control channel are within the same resource, the same resource being a time slot.
5. The method according to claim 1 , wherein the codebook is selected based on at least one of:
an indication received with control information;
resources scheduled for transmission of the feedback signaling; and
a format indicated for the feedback signaling.
6. The method according to claim 1 , wherein the feedback signaling is based on a transmission codebook determined based on the selected codebook by changing the selected codebook based on a received feedback control indication.
7. The method according to claim 1 , wherein one or both of:
the feedback radio node is further configured with control information comprising a position indication indicating a position of the feedback signaling relative to second feedback signaling; and
the position indication comprising a downlink assignment indicator indicating a quantity of data structures for which feedback signaling scheduled.
8. The method according to claim 1 , wherein at least one feedback codebook of the set comprises one or more subpatterns pertaining to control signaling.
9. The method according to claim 1 , wherein different feedback codebooks pertain to at least one of:
different carriers;
different carrier arrangements;
different types of signaling; and
different types of control signaling.
10. The method according to claim 1 , wherein at least one feedback codebook of the set comprises at least one subpattern pertaining to a code block group.
11. A feedback radio node for a radio access network, the feedback radio node being configured with a set of feedback codebooks, each codebook of the set indicating an arrangement of one or more subpatterns of feedback bits into feedback information, the feedback radio node comprising processing circuitry configured to:
cause the feedback radio node to transmit feedback signaling representing feedback information determined based on a codebook selected from the set of feedback codebooks, the feedback information being scheduled for transmission on a single physical uplink control channel and corresponding to one or both of:
a first physical downlink control channel and a second physical downlink control channel; and
a first physical downlink shared channel and a second physical downlink shared channel.
12. A method of operating a signaling radio node in a radio access network, the method comprising:
configuring a feedback radio node with a set of feedback codebooks, each codebook of the set indicating an arrangement of one or more subpatterns of feedback bits into feedback information; and
receiving feedback signaling representing feedback information determined based on a codebook selected from the set of feedback codebooks, the feedback information being scheduled for transmission on a single physical uplink control channel and corresponding to one or both of:
a first physical downlink control channel and a second physical downlink control channel; and
a first physical downlink shared channel and a second physical downlink shared channel.
13. The method according to claim 12 , wherein at least one feedback codebook is a HARQ codebook.
14. The method according to claim 12 , wherein at least one of the first physical downlink shared channel and a second physical downlink shared channel is associated with the single physical uplink control channel based on a PUCCH resource and a time indicated in scheduling downlink control information.
15. The method according to claim 12 , wherein the second physical downlink control channel, the second physical downlink shared channel, and the single physical uplink control channel are within the same resource, the same resource being a time slot.
16. The method according to claim 12 , wherein the codebook is selected based on at least one of:
an indication received with control information;
resources scheduled for transmission of the feedback signaling; and
a format indicated for the feedback signaling.
17. The method according to claim 12 , wherein the feedback signaling is based on a transmission codebook determined based on the selected codebook by changing the selected codebook based on a received feedback control indication.
18. The method according to claim 12 , wherein one or both of:
the feedback radio node is further configured with control information comprising a position indication indicating a position of the feedback signaling relative to second feedback signaling; and
the position indication comprising a downlink assignment indicator indicating a quantity of data structures for which feedback signaling scheduled.
19. A signaling radio node for a radio access network, the signaling radio node comprising processing circuitry being configured to:
configure a feedback radio node with a set of feedback codebooks, each codebook of the set indicating an arrangement of one or more subpatterns of feedback bits into feedback information; and
receive feedback signaling representing feedback information determined based on a codebook selected from the set of feedback codebooks, the feedback information being scheduled for transmission on a single physical uplink control channel and corresponding to one or both of:
a first physical downlink control channel and a second physical downlink control channel; and
a first physical downlink shared channel and a second physical downlink shared channel.
20. A non-transitory computer storage medium storing a computer program comprising instructions that, when executed, cause processing circuitry to at least one of control and perform a method of operating a feedback radio node in a radio access network, the feedback radio node being configured with a set of feedback codebooks, each codebook of the set indicating an arrangement of one or more subpatterns of feedback bits into feedback information, the method comprising:
transmitting feedback signaling representing feedback information determined based on a codebook selected from the set of feedback codebooks, the feedback information being scheduled for transmission on a single physical uplink control channel and corresponding to one or both of:
a first physical downlink control channel and a second physical downlink control channel; and
a first physical downlink shared channel and a second physical downlink shared channel.