PHYSICAL UPLINK CONTROL CHANNEL (PUCCH) REPETITION ACROSS MULTIPLE COMPONENT CARRIERS

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Patent No.: US None
App. No.: 19/360,833

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Abstract

A method of wireless communication performed by a user equipment (UE) includes receiving, from a network node, a first message configuring a group of component carriers that includes a primary component carrier and one or more secondary component carriers. The method also includes receiving, from the network node, a second message configuring a number of repetitions of a physical uplink control channel (PUCCH) transmission. The method further includes transmitting, to the network node, each repetition of the PUCCH transmission via the primary component carrier or one of the one or more secondary component carriers in accordance with the number of repetitions, each repetition being transmitted on only the primary component carrier in accordance with the number of repetitions being greater than one, and each repetition being transmitted on either the primary component carrier or the secondary component carrier in accordance with the number of repetitions being equal to one.

Claims (40)

1 . A method of wireless communication performed by a user equipment (UE), comprising:

receiving, from a network node, a message configuring:

a group of component carriers that includes a primary component carrier and one or more secondary component carriers; and

a number of repetitions of a physical uplink control channel (PUCCH) transmission; and

transmitting, to the network node, each repetition of the number of repetitions of the PUCCH transmission via the primary component carrier or a secondary component carrier of the one or more secondary component carriers in accordance with the number of repetitions, each repetition being transmitted on only the primary component carrier in accordance with the number of repetitions being greater than one, and each repetition being transmitted on either the primary component carrier or the secondary component carrier in accordance with the number of repetitions being equal to one.

2 . The method of claim 1 , wherein the message is a radio resource control (RRC) message.

3 . The method of claim 1 , wherein the group of component carriers are associated with a PUCCH carrier switch.

4 . The method of claim 3 , further comprising disabling the PUCCH carrier switch in accordance with the number of repetitions being greater than one.

5 . The method of claim 1 , wherein at least one first component carrier of the group of component carriers is a frequency division duplex (FDD) carrier and at least one second component carrier of the group of component carriers is a time division duplex (TDD) carrier.

6 . A user equipment (UE), comprising:

one or more processors; and

one or more memories coupled with the one or more processors and storing processor-executable code that, when executed by the one or more processors, is configured to cause the UE to:

receive, from a network node, a message configuring:

a group of component carriers that includes a primary component carrier and one or more secondary component carriers; and

number of repetitions of a physical uplink control channel (PUCCH) transmission; and

transmit, to the network node, each repetition of the number of repetitions of the PUCCH transmission via the primary component carrier or a secondary component carrier of the one or more secondary component carriers in accordance with the number of repetitions, each repetition being limited to transmission on the primary component carrier in accordance with the number of repetitions being greater than one, and each repetition being transmitted on either the primary component carrier or the secondary component carrier in accordance with the number of repetitions being equal to one.

7 . The UE of claim 6 , wherein the message is a radio resource control (RRC) message.

8 . The UE of claim 6 , wherein the group of component carriers are associated with a PUCCH carrier switch.

9 . The UE of claim 8 , wherein execution of the processor-executable code further causes the UE to disable the PUCCH carrier switch in accordance with the number of repetitions being greater than one.

10 . The UE of claim 6 , wherein at least one first component carrier of the group of component carriers is a frequency division duplex (FDD) carrier and at least one second component carrier of the group of component carriers is a time division duplex (TDD) carrier.

11 . A method of wireless communication performed by a network node, comprising:

transmitting a message configuring:

a group of component carriers that includes a primary component carrier and one or more secondary component carriers; and

a number of repetitions of a physical uplink control channel (PUCCH) transmission; and

receiving, from a user equipment (UE), each repetition of the number of repetitions of the PUCCH transmission via the primary component carrier or a secondary component carrier of the one or more secondary component carriers in accordance with the number of repetitions, each repetition being limited to reception on the primary component carrier in accordance with the number of repetitions being greater than one, and each repetition being received on either the primary component carrier or the secondary component carrier in accordance with the number of repetitions being equal to one.

12 . The method of claim 11 , wherein the message is a radio resource control (RRC) message.

13 . The method of claim 11 , wherein the group of component carriers are associated with a PUCCH carrier switch.

14 . The method of claim 13 , wherein the PUCCH carrier switch is disabled in accordance with the number of repetitions being greater than one.

15 . The method of claim 11 , wherein at least one first component carrier of the group of component carriers is a frequency division duplex (FDD) carrier and at least one second component carrier of the group of component carriers is a time division duplex (TDD) carrier.

16 . A network node, comprising:

one or more processors; and

one or more memories coupled with the one or more processors and storing processor-executable code that, when executed by the one or more processors, is configured to cause the network node to:

transmit a message configuring:

a group of component carriers that includes a primary component carrier and one or more secondary component carriers; and

a number of repetitions of a physical uplink control channel (PUCCH) transmission; and

receive, from a user equipment (UE), each repetition of the number of repetitions of the PUCCH transmission via the primary component carrier or a secondary component carrier of the one or more secondary component carriers in accordance with the number of repetitions, each repetition being limited to reception on the primary component carrier in accordance with the number of repetitions being greater than one, and each repetition being received on either the primary component carrier or the secondary component carrier in accordance with the number of repetitions being equal to one.

17 . The network node of claim 16 , wherein the message is a radio resource control (RRC) message.

18 . The network node of claim 16 , wherein the group of component carriers are associated with a PUCCH carrier switch.

19 . The network node of claim 18 , wherein the PUCCH carrier switch is disabled in accordance with the number of repetitions being greater than one.

20 . The network node of claim 16 , wherein at least one first component carrier of the group of component carriers is a frequency division duplex (FDD) carrier and at least one second component carrier of the group of component carriers is a time division duplex (TDD) carrier.