Retransmission handling for preconfigured uplink resources
Systems and methods for handling transmissions and retransmissions on a periodic preconfigured uplink resource (PUR) are provided. Respective resources for transmission and retransmission can be determined and configured for a wireless device to prevent blocking of a new data transmission on a PUR opportunity by a retransmission attempt. Responsive to determining that a first transmission on the PUR was unsuccessful, a second resource can be configured for the retransmission.
1. A method performed by a wireless device, comprising:
configuring the wireless device with a periodic first preconfigured uplink resource (PUR) for data transmission;
determining that a first transmission on the configured first PUR was unsuccessful;
receiving dynamic scheduling information indicating to retransmit the unsuccessful first transmission on a second resource, wherein the second resource is one of a non-PUR resource and a PUR resource other than the configured periodic first PUR, and wherein the second resource does not block a time-frequency resource of the configured periodic first PUR; and
retransmitting the first transmission on the second resource.
2. The method of claim 1 , wherein the first PUR configuration includes at least one of a PUR transmission length and a PUR period.
3. The method of claim 2 , wherein the PUR period defines a duration between subsequent transmission opportunities.
4. The method of claim 1 , wherein the periodic first PUR is configured by radio resource control (RRC) signaling.
5. A wireless device comprising a radio interface and processing circuitry configured to:
configure the wireless device with a periodic first preconfigured uplink resource (PUR) for data transmission;
determine that a first transmission on the configured first PUR was unsuccessful;
receive dynamic scheduling information indicating to retransmit the unsuccessful first transmission on a second resource, wherein the second resource is one of a non-PUR resource and a PUR resource other than the configured periodic first PUR, and wherein the second resource does not block a time-frequency resource of the configured periodic first PUR; and
retransmit the first transmission on the second resource.
6. The wireless device of claim 5 , wherein the first PUR configuration includes at least one of a PUR transmission length and a PUR period.
7. The wireless device of claim 6 , wherein the PUR period defines a duration between subsequent transmission opportunities.
8. The wireless device of claim 5 , wherein the periodic first PUR is configured by RRC signaling.
9. A method performed by a network node, comprising:
configuring a wireless device with a periodic first preconfigured uplink resource (PUR) for data transmission;
responsive to determining that a first transmission on the first PUR was unsuccessful, transmitting dynamic scheduling information indicating to retransmit the unsuccessful first transmission on a second resource, wherein the second resource is one of a non-PUR resource and a PUR resource other than the configured periodic first PUR, and wherein the second resource does not block a time-frequency resource of the configured periodic first PUR; and
receiving the first transmission on the second resource.
10. The method of claim 9 , wherein the first PUR configuration includes at least one of a PUR transmission length and a PUR period.
11. The method of claim 10 , wherein the PUR period defines a duration between subsequent transmission opportunities.
12. The method of claim 9 , wherein the periodic first PUR is configured by RRC signaling.
13. A network node comprising a radio interface and processing circuitry configured to:
configure a wireless device with a periodic first preconfigured uplink resource (PUR) for data transmission;
responsive to determining that a first transmission on the first PUR was unsuccessful, transmit dynamic scheduling information indicating to retransmit the unsuccessful first transmission on a second resource, wherein the second resource is one of a non-PUR resource and a PUR resource other than the configured periodic first PUR, and wherein the second resource does not block a time-frequency resource of the configured periodic first PUR; and
receive the first transmission on the second resource.
14. The network node of claim 13 , wherein the first PUR configuration includes at least one of a PUR transmission length and a PUR period.
15. The network node of claim 14 , wherein the PUR period defines a duration between subsequent transmission opportunities.
16. The network node of claim 13 , wherein the periodic first PUR is configured by RRC signaling.