Radio network node, user equipment and methods performed in a wireless communication network
A UE for handling communication in a wireless communication network, wherein PUCCH overlaps one or more PUSCH, on one or multiple carriers with at least one symbol. The UE is configured to multiplex one or more UCI to a radio network node, with a PUSCH or with resources of a configured grant, CG, based on whether or not a condition has been fulfilled. The condition relates to: a priority of a CG transmission relative a dynamic PUSCH transmission; a priority of a CG transmission relative other CG transmissions; allowance to carry any UCI in CG resources; presence of media access control, MAC, protocol data unit, PDU, for uplink, UL, transmission; if UCI is scheduled for transmission at a time as PUSCH, the UCI is multiplexed onto the PUSCH; CG size; failure rate of PDCCH; and/or whether dynamically scheduled uplink grant and CG are present.
1 . A method performed by user equipment, UE, for handling communication in a wireless communication network, a physical uplink control channel, PUCCH, overlapping one or more physical uplink shared channels, PUSCH, on one or multiple carriers with at least one symbol, the method comprising:
multiplexing uplink control information, UCI, with a PUSCH or with resources of a configured grant, CG, using a time reference and an additional time for the multiplexing with the CG, the time reference being a time when the UE sends confirmation in a media access control (MAC) control element (CE) to acknowledge receiving of a valid physical downlink control channel (PDCCH) carrying activation or deactivation of the CG, or a time when an activating or deactivating downlink control information (DCI) for the CG is received at the UE, the additional time being a PUSCH retransmission time, and the multiplexing with the CG based on whether or not a condition from one or more conditions has been fulfilled as follows based on one or more of:
if a CG transmission has a higher priority relative to a dynamic PUSCH transmission, the CG transmission is prioritized over the dynamic PUSCH transmission;
if a CG transmission has a higher priority relative to other CG transmissions over same or multiple CCs to carry the UCI, the UCI is multiplexed onto the CG with the higher priority;
if a CG is configured to not carry any UCI, the CG is excluded from a procedure to carry a UCI;
if a MAC protocol data unit, PDU, for uplink, UL, transmission has been delivered for a CG transmission that is one or both of skipped and de-prioritized, the CG is autonomously retransmitted in a next CG occasion;
if UCI is scheduled for transmission at a time as PUSCH, the UCI is multiplexed onto the PUSCH;
if a size of a CG does not allow the CG to carry a UCI, the CG is skipped or assigned a lower resolution priority;
if a PDCCH has a high failure rate indicating that the PUSCH is unreliable, the UCI is multiplexed onto the CG;
if a dynamically scheduled uplink grant is present, surviving grants are considered mandatory surviving grants by default; and
if a CG is present, surviving grants are considered optional surviving grants by default; and
transmitting the UCI multiplexed onto the PUSCH or with the resources of the CG to a radio network node.
2 . The method according to claim 1 , wherein multiplexing the one or more UCI with the PUSCH or with resources of the CG, uses a timeline relating to transmission of confirmation or receiving of indication of deactivating or activating relating to CG transmission.
3 . The method according to claim 1 , further comprising receiving a configuration from the radio network node comprising the one or more conditions.
4 . The method according to claim 2 , further comprising receiving a configuration from the radio network node comprising the one or more conditions.
5 . A method performed by a radio network node for handling communication of a user equipment, UE, in a wireless communication network, the method comprising:
transmitting a configuration to the UE comprising one or more conditions when a physical uplink shared channel, PUSCH, or resources of a configured grant, CG, are to be used to multiplex with uplink control information, UCI, using a time reference and an additional time for the multiplexing with the CG, the time reference being a time when the UE sends confirmation in a media access control (MAC) control element (CE) to acknowledge receiving of a valid physical downlink control channel (PDCCH) carrying activation or deactivation of the CG, or a time when an activating or deactivating downlink control information (DCI) for the CG is received at the UE, the additional time being a PUSCH retransmission time, and the one or more conditions being one or more of the following:
if a CG transmission has a higher priority relative to a dynamic PUSCH transmission, the CG transmission is prioritized over the dynamic PUSCH transmission;
if a CG transmission has a higher priority relative to other CG transmissions over same or multiple CCs to carry the UCI, the UCI is multiplexed onto the CG with the higher priority;
if a CG is configured to not carry any UCI, the CG is excluded from a procedure to carry a UCI;
if a MAC protocol data unit, PDU, for uplink, UL, transmission has been delivered for a CG transmission that is one or both of skipped and de-prioritized, the CG is autonomously retransmitted in a next CG occasion;
if UCI is scheduled for transmission at a time as PUSCH, the UCI is multiplexed onto the PUSCH;
if a size of a CG does not allow the CG to carry a UCI, the CG is skipped or assigned a lower resolution priority;
if a PDCCH has a high failure rate indicating that the PUSCH is unreliable, the UCI is multiplexed onto the CG;
if a dynamically scheduled uplink grant is present, surviving grants are considered mandatory surviving grants by default; and
if a CG is present, surviving grants are considered optional surviving grants by default.
6 . The method according to claim 5 , further comprising receiving one or more UCI multiplexed with a PUSCH or with resources of the CG, and using a time reference and an additional time.
7 . A user equipment, UE, for handling communication in a wireless communication network, a physical uplink control channel, PUCCH, overlapping one or more physical uplink shared channels, PUSCH, on one or multiple carriers with at least one symbol, the UE comprising a processor and a memory and being configured to:
multiplex one or more uplink control information, UCI, with a PUSCH or with resources of a configured grant, CG, using a time reference and an additional time for the multiplexing with the CG, the time reference being a time when the UE sends confirmation in a media access control (MAC) control element (CE) to acknowledge receiving of a valid physical downlink control channel (PDCCH) carrying activation or deactivation of the CG, or a time when an activating or deactivating downlink control information (DCI) for the CG is received at the UE, the additional time being a PUSCH retransmission time, and the multiplexing with the CG based on whether a condition from one or more conditions has been fulfilled or not, as follows based on one or more of:
if a CG transmission has a higher priority relative to a dynamic PUSCH transmission, the CG transmission is prioritized over the dynamic PUSCH transmission;
if a CG transmission has a higher priority relative to other CG transmissions over same or multiple CCs to carry the UCI, the UCI is multiplexed onto the CG with the higher priority;
if a CG is configured to not carry any UCI, the CG is excluded from a procedure to carry a UCI;
if a MAC protocol data unit, PDU, for uplink, UL, transmission has been delivered for a CG transmission that is one or both of skipped and de-prioritized, the CG is autonomously retransmitted in a next CG occasion;
if UCI is scheduled for transmission at a time as PUSCH, the UCI is multiplexed onto the PUSCH;
if a size of a CG does not allow the CG to carry a UCI, the CG is skipped or assigned a lower resolution priority;
if a PDCCH has a high failure rate indicating that the PUSCH is unreliable, the UCI is multiplexed onto the CG;
if a dynamically scheduled uplink grant is present, surviving grants are considered mandatory surviving grants by default; and
if a CG is present, surviving grants are considered optional surviving grants by default; and
transmit the UCI multiplexed onto the PUSCH or with the resources of the CG to a radio network node.
8 . The UE according to claim 7 , wherein the UE is configured to multiplex the one or more UCI with the PUSCH or with resources of the CG, by using a timeline relating to transmission of confirmation or receiving of indication of deactivating or activating relating to CG transmission.
9 . The UE according to claim 7 , wherein the UE is configured to receive a configuration from the radio network node comprising the one or more conditions.
10 . The UE according to claim 8 , wherein the UE is configured to receive a configuration from the radio network node comprising the one or more conditions.
11 . A radio network node for handling communication of a user equipment, UE, in a wireless communication network, the radio network node comprising a processor and a memory and being configured to:
transmit a configuration to the UE comprising one or more conditions when physical uplink shared channel, PUSCH, or resources of a configured grant, CG, are to be used to multiplex with uplink control information, UCI, using a time reference and an additional time for the multiplexing with the CG, the time reference being a time when the UE sends confirmation in a media access control (MAC) control element (CE) to acknowledge receiving of a valid physical downlink control channel (PDCCH) carrying activation or deactivation of the CG, or a time when an activating or deactivating downlink control information (DCI) for the CG is received at the UE, the additional time being a PUSCH retransmission time, and the one or more conditions being one or more of the following:
if a CG transmission has a higher priority relative to a dynamic PUSCH transmission, the CG transmission is prioritized over the dynamic PUSCH transmission;
if a CG transmission has a higher priority relative to other CG transmissions over same or multiple CCs to carry the UCI, the UCI is multiplexed onto the CG with the higher priority;
if a CG is configured to not carry any UCI, the CG is excluded from a procedure to carry a UCI;
if a MAC protocol data unit, PDU, for uplink, UL, transmission has been delivered for a CG transmission that is one or both of skipped and de-prioritized, the CG is autonomously retransmitted in a next CG occasion;
if UCI is scheduled for transmission at a time as PUSCH, the UCI is multiplexed onto the PUSCH;
if a size of a CG does not allow the CG to carry a UCI, the CG is skipped or assigned a lower resolution priority;
if a PDCCH has a high failure rate indicating that the PUSCH is unreliable, the UCI is multiplexed onto the CG;
if a dynamically scheduled uplink grant is present, surviving grants are considered mandatory surviving grants by default; and
if a CG is present, surviving grants are considered optional surviving grants by default.
12 . A non-transitory computer-readable storage medium, having stored thereon a computer program comprising instructions which, when executed on at least one processor, cause the at least one processor to carry out a method for handling communication in a wireless communication network, a physical uplink control channel, PUCCH, overlapping one or more physical uplink shared channels, PUSCH, on one or multiple carriers with at least one symbol, the method comprising:
multiplexing uplink control information, UCI, with a PUSCH or with resources of a configured grant, CG, using a time reference and an additional time for the multiplexing with the CG, the time reference being a time when the UE sends confirmation in a media access control (MAC) control element (CE) to acknowledge receiving of a valid physical downlink control channel (PDCCH) carrying activation or deactivation of the CG, or a time when an activating or deactivating downlink control information (DCI) for the CG is received at the UE, the additional time being a PUSCH retransmission time, and the multiplexing with the CG based on whether or not a condition from one or more conditions has been fulfilled as follows based on one or more of:
if a CG transmission has a higher priority relative to a dynamic PUSCH transmission, the CG transmission is prioritized over the dynamic PUSCH transmission;
if a CG transmission has a higher priority relative to other CG transmissions over same or multiple CCs to carry the UCI, the UCI is multiplexed onto the CG with the higher priority;
if a CG is configured to not carry any UCI, the CG is excluded from a procedure to carry a UCI;
if a MAC protocol data unit, PDU, for uplink, UL, transmission has been delivered for a CG transmission that is one or both of skipped and de-prioritized, the CG is autonomously retransmitted in a next CG occasion;
if UCI is scheduled for transmission at a time as PUSCH, the UCI is multiplexed onto the PUSCH;
if a size of a CG does not allow the CG to carry a UCI, the CG is skipped or assigned a lower resolution priority;
if a PDCCH has a high failure rate indicating that the PUSCH is unreliable, the UCI is multiplexed onto the CG;
if a dynamically scheduled uplink grant is present, surviving grants are considered mandatory surviving grants by default; and
if a CG is present, surviving grants are considered optional surviving grants by default; and
transmitting the UCI multiplexed onto the PUSCH or with the resources of the CG to a radio network node.