Uplink transmission pre-emption
A method, system, network node and wireless device are disclosed. According to one or more embodiments, a wireless device is provided. The wireless device includes processing circuitry configured to: receive a pre-emption indication indicating a pre-emption time period for pre-empting an uplink transmission during the pre-emption time period; cancel at least a first portion of a first uplink transmission that is arranged to occur during the pre-emption time period; and if the first uplink transmission includes a second portion arranged to occur before the pre-emption time period, cancel the second portion of the first uplink transmission based on a temporal criterion being met.
1. A method implemented by a wireless device, the method comprising:
receiving a pre-emption indication indicating a pre-emption time period for pre-empting an uplink transmission during the pre-emption time period;
cancelling at least a first portion of a first uplink transmission that is arranged to occur during the pre-emption time period based on a temporal criterion, for a period from the reception of the pre-emption indication until the start of the first uplink transmission, being met;
if the first uplink transmission includes a second portion arranged to occur before the pre-emption time period, cancelling the second portion of the first uplink transmission based on the temporal criterion being met, the first uplink transmission being one of:
part of a plurality of uplink transmissions corresponding to a multi-slot transmission repetition; and
a segment in multi-segment uplink transmission; and
based on the temporal criterion not being met, muting the transmission at least from when the pre-emption indication starts until the end of the transmission.
2. The method of claim 1 , wherein the temporal criterion being met corresponds to a duration of a time window being greater than or equal to a processing time for the wireless device to drop the first uplink transmission, the duration of the time window being from reception of the pre-emption indication to the arranged start of first uplink transmission.
3. The method of claim 1 , wherein the cancelling of at least the first portion of the first uplink transmission is based on the first uplink transmission being one of:
a non-RACH transmission, and the method further comprising disregarding the pre-emption indication for RACH transmission;
a non-PUCCH transmission, and the method further comprising disregarding the pre-emption indication for PUCCH transmission; and
a lower priority than a second uplink transmission, and the method further comprising causing transmission of the second uplink transmission during the pre-emption time period.
4. The method of claim 1 , wherein the first uplink transmission is one of:
a physical uplink shared channel transmission; and
a physical uplink control channel transmission.
5. The method of claim 1 , wherein the pre-emption indication is provided by downlink control information, DCI.
6. A method implemented by a network node, the method comprising:
transmitting a pre-emption indication indicating a pre-emption time period for pre-empting an uplink transmission during the pre-emption time period;
the pre-emption indication causing cancellation of at least a first portion of a first uplink transmission that is arranged to occur during the pre-emption time period based on a temporal criterion, for a period from the reception of the pre-emption indication until the start of the first uplink transmission, being met;
if the first uplink transmission includes a second portion arranged to occur before the pre-emption time period, the pre-emption indication causing cancellation of the second portion of the first uplink transmission based on the temporal criterion being met, the first uplink transmission being part of one of:
a plurality of uplink transmissions corresponding to a multi-slot transmission repetition; and
a segment in multi-segment uplink transmission; and
based on the temporal criterion not being met, the pre-emption indication causing muting of the transmission at least from when the pre-emption indication starts until the end of the transmission.
7. The method of claim 6 , wherein the temporal criterion being met corresponds to a duration of a time window being greater than or equal to a processing time for a wireless device to drop the first uplink transmission, the duration of the time window being from reception of the pre-emption indication to the arranged start of first uplink transmission.
8. The method of claim 6 , wherein the causing of cancellation of at least the first portion of the first uplink transmission is based on the first uplink transmission being one of:
a non-RACH transmission;
a non-PUCCH transmission; and
a lower priority than a second uplink transmission.
9. The method of claim 6 , wherein the first uplink transmission is one of:
a physical uplink shared channel transmission; and
a physical uplink control channel transmission.
10. The method of claim 6 , wherein the pre-emption indication is provided by downlink control information, DCI.
11. A non-transitory computer storage medium storing a computer program comprising instructions which when executed by a processor causes the processor to:
receive a pre-emption indication indicating a pre-emption time period for pre-empting an uplink transmission during the pre-emption time period;
cancel at least a first portion of a first uplink transmission that is arranged to occur during the pre-emption time period based on a temporal criterion, for a period from the reception of the pre-emption indication until the start of the first uplink transmission, being met;
if the first uplink transmission includes a second portion arranged to occur before the pre-emption time period, cancelling the second portion of the first uplink transmission based on the temporal criterion being met, the first uplink transmission being one of:
part of a plurality of uplink transmissions corresponding to a multi-slot transmission repetition; and
a segment in multi-segment uplink transmission; and
based on the temporal criterion not being met, muting the transmission at least from when the pre-emption indication starts until the end of the transmission.
12. The method of claim 1 , wherein the transmission of at least one of the segments in the multi-segment uplink transmission is based at least in part on a redundancy version of the at least one of the segments.
13. The method of claim 6 , wherein the transmission of at least one of the segments in the multi-segment uplink transmission is based at least in part on a redundancy version of the at least one of the segments.
14. A wireless device, comprising:
processing circuitry configured to:
receive a pre-emption indication indicating a pre-emption time period for pre-empting an uplink transmission during the pre-emption time period;
cancel at least a first portion of a first uplink transmission that is arranged to occur during the pre-emption time period based on a temporal criterion, for a period from the reception of the pre-emption indication until the start of the first uplink transmission, being met; and
if the first uplink transmission includes a second portion arranged to occur before the pre-emption time period, cancel the second portion of the first uplink transmission based on the temporal criterion being met, the first uplink transmission being one of:
part of a plurality of uplink transmissions corresponding to a multi-slot transmission repetition; and
a segment in multi-segment uplink transmission; and
based on the temporal criterion not being met, muting the transmission at least from when the pre-emption indication starts until the end of the transmission.
15. The wireless device of claim 14 , wherein the transmission of at least one of the segments in the multi-segment uplink transmission is based at least in part on a redundancy version of the at least one of the segments.
16. A network node, comprising:
processing circuitry configured to:
transmit a pre-emption indication indicating a pre-emption time period for pre-empting an uplink transmission during the pre-emption time period;
the pre-emption indication causing cancellation of at least a first portion of a first uplink transmission that is arranged to occur during the pre-emption time period when a temporal criterion, for a period from the reception of the pre-emption indication until the start of the first uplink transmission, is met; and
if the first uplink transmission includes a second portion arranged to occur before the pre-emption time period, the pre-emption indication causing cancellation of the second portion of the first uplink transmission based on the temporal criterion being met, the first uplink transmission being one of:
part of a plurality of uplink transmissions corresponding to a multi-slot transmission repetition; and
a segment in multi-segment uplink transmission; and
if the temporal criterion is not met, the pre-emption indication causing muting of the transmission at least from when the pre-emption indication starts until the end of the transmission.
17. The network node of claim 16 , wherein the transmission of at least one of the segments in the multi-segment uplink transmission is based at least in part on a redundancy version of the at least one of the segments.