Granted Patent B2

US 12,267,835 · App. 16/891,797 · Granted Apr 1, 2025

Inventors: Robert Baldemair (Solna, SE); Erik Dahlman (Stockholm, SE); Sorour Falahati (Stockholm, SE); Daniel Larsson (Lund, SE); Stefan Parkvall (Bromma, SE)

Assignee: Telefonaktiebolaget LM Ericsson (Publ)

H04W72/21H04L1/0026H04L1/1819H04L5/0055H04L5/0082H04W52/146

Abstract

Claims (48)

1. A method of transmitting control information to a communication network, the method being implemented in a wireless device and comprising:

receiving, by radio resource control (RRC) signaling, a configuration of at least a first physical uplink control channel (PUCCH) opportunity and a second PUCCH opportunity, each of the configured PUCCH opportunities identifying uplink (UL) resources to be used for transmitting control information to the communication network;

receiving an assignment of radio resources to be used for receiving a downlink (DL) transmission from a network node of the communication network;

receiving an acknowledgement resource indication (ARI), indicating one of the configured PUCCH opportunities, the wireless device receiving the ARI indicating one of the configured PUCCH opportunities after receiving the configuration of at least the first PUCCH opportunity and the second PUCCH opportunity, the ARI being received in a message comprising additional information, the additional information being a variable separation of a time interval of the DL transmission and a time interval of the control information transmission; and

transmitting control information associated with the DL transmission to the network node on less than all of the UL resources identified by the indicated PUCCH opportunity;

each of the configured PUCCH opportunities including one or more of a PUCCH format, a PUCCH duration, or a PUCCH bandwidth; and

the first PUCCH opportunity identifying a different PUCCH duration than the second PUCCH opportunity.

2. The method of claim 1 , wherein the message comprises the ARI and the assignment of radio resources.

3. The method of claim 1 , wherein the indicated PUCCH opportunity includes a PUCCH format, a PUCCH duration, and a PUCCH bandwidth.

4. The method of claim 1 , wherein transmitting control information associated with the DL transmission to the network node on at least the subset of the UL resources identified by the indicated PUCCH opportunity comprises:

transmitting the control information on less than all of the UL resources identified by the indicated PUCCH opportunity.

5. The method of claim 1 , wherein transmitting control information associated with the DL transmission to the network node on at least the subset of the UL resources identified by the indicated PUCCH opportunity comprises:

determining a PUCCH payload size of the control information; and

transmitting the control information on UL resources identified by the indicated PUCCH opportunity and the PUCCH payload size.

6. A wireless device comprising a communication interface and processing circuitry configured to cause the wireless device to:

receive, by radio resource control (RRC) signaling, a configuration of at least a first physical uplink control channel (PUCCH) opportunity and a second PUCCH opportunity, each of the configured PUCCH opportunities identifying uplink (UL) resources to be used for transmitting control information to a communication network;

receive an assignment of radio resources to be used for receiving a downlink (DL) transmission from a network node of the communication network;

receive an acknowledgement resource indication (ARI) indicating one of the configured PUCCH opportunities, the wireless device receiving the ARI indicating one of the configured PUCCH opportunities after receiving the configuration of at least the first PUCCH opportunity and the second PUCCH opportunity, the ARI being received in a message comprising additional information, the additional information being a variable separation of a time interval of the DL transmission and a time interval of the control information transmission; and

transmit control information associated with the DL transmission to the network node on less than all of the UL resources identified by the indicated PUCCH opportunity;

each of the configured PUCCH opportunities including one or more of a PUCCH format, a PUCCH duration, or a PUCCH bandwidth;

the first PUCCH opportunity identifying a different PUCCH duration than the second PUCCH opportunity.

7. The wireless device of claim 6 , wherein the message comprises the ARI and the assignment of radio resources.

8. The wireless device of claim 6 , wherein the indicated PUCCH opportunity includes a PUCCH format, a PUCCH duration, and a PUCCH bandwidth.

9. The wireless device of claim 6 , wherein transmitting control information associated with the DL transmission to the network node on at least the subset of the UL resources identified by the indicated PUCCH opportunity comprises:

transmitting the control information on less than all of the UL resources identified by the indicated PUCCH opportunity.

10. The wireless device of claim 6 , wherein transmitting control information associated with the DL transmission to the network node on at least the subset of the UL resources identified by the indicated PUCCH opportunity comprises:

determining a PUCCH payload size of the control information; and

transmitting the control information on UL resources identified by the indicated PUCCH opportunity and the PUCCH payload size.

11. A method of receiving control information at a network node of a communication network, the method comprising:

obtaining a configuration of at least a first physical uplink control (PUCCH) opportunity and a second PUCCH opportunity, each of the configured PUCCH opportunities identifying uplink (UL) resources to be used for receiving control information from wireless devices in coverage of the communication network;

signaling the configuration of the at least first PUCCH opportunity and the second PUCCH opportunity to a wireless device using radio resource control (RRC) signaling;

assigning radio resources to be used for transmitting a downlink (DL) transmission to the wireless device;

transmitting an acknowledgement resource indication (ARI) to the wireless device, the ARI indicating one of the configured PUCCH opportunities, the network node transmitting the ARI indicating one of the configured PUCCH opportunities after signaling the configuration of at least the first PUCCH opportunity and the second PUCCH opportunity, the ARI being transmitted in a message comprising additional information, the additional information being a variable separation of a time interval of the DL transmission and a time interval of the control information reception; and

receiving control information from the wireless device on less than all of the UL resources identified by the indicated PUCCH opportunity, the control information being associated with the DL transmission;

each of the configured PUCCH opportunities including one or more of a PUCCH format, a PUCCH duration, or a PUCCH bandwidth in which the control information is to be transmitted; and

the first PUCCH opportunity including a different PUCCH duration than the second PUCCH opportunity.

12. The method of claim 11 , wherein the message comprises the ARI and the assignment of radio resources.

13. The method of claim 11 , wherein the indicated PUCCH opportunity includes a PUCCH format, a PUCCH duration, and a PUCCH bandwidth.

14. A network node of a communication network comprising a communication interface and processing circuitry configured to cause the network node to:

obtain a configuration of at least a first physical uplink control (PUCCH) opportunity and a second PUCCH opportunity, each of the configured PUCCH opportunities identifying uplink (UL) resources to be used for receiving control information from wireless devices in coverage of the communication network;

signal the configuration of the at least first PUCCH opportunity and the second PUCCH opportunity to a wireless device using radio resource control (RRC) signaling;

assign radio resources to be used for transmitting a downlink (DL) transmission to the wireless device;

transmit an acknowledgement resource indication (ARI) to the wireless device, the ARI indicating one of the configured PUCCH opportunities, the network node transmitting the ARI indicating one of the configured PUCCH opportunities after the network node signals the configuration of at least the first PUCCH opportunity and the second PUCCH opportunity, the ARI being transmitted in a message comprising additional information, the additional information being a variable separation of a time interval of the DL transmission and a time interval of the control information reception; and

receive control information from the wireless device on less than all of the UL resources identified by the indicated PUCCH opportunity, wherein the control information is associated with the DL transmission;

each of the configured PUCCH opportunities including one or more of a PUCCH format, a PUCCH duration, or a PUCCH bandwidth in which the control information is to be transmitted; and

the first PUCCH opportunity identifying a different PUCCH duration than the second PUCCH opportunity.

15. The network node of claim 14 , wherein the message comprises the ARI and the assignment of radio resources.

16. The network node of claim 14 , wherein the indicated PUCCH opportunity includes a PUCCH format, a PUCCH duration, and a PUCCH bandwidth.

Continuity (3)

References Cited (43)