Uplink transmission pre-emption

Patent metadata

Field	Value
Publication number	US-12185356-B2
Application number	US-202017611261-A
Country	US
Kind code	B2
Filing date	May 13, 2020
Priority date	May 13, 2019
Publication date	Dec 31, 2024
Grant date	Dec 31, 2024

Abstract

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.

First claim

The invention claimed is:

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 cau

Assignees

• Ericsson Telefon Ab L M

Inventors

• Behravan Ali
• Baldemair Robert
• Falahati Sorour
• Fröberg Olsson Jonas
• Singh Bikramjit
• Blankenship Yufei

Classifications

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/0446

  Resources in time domain, e.g. slots or frames · CPC title

• H04W72/566

  of the information or information source or recipient · CPC title

• H04W72/1268

  of uplink data flows · CPC title

• H04W12/106

  Packet or message integrity · CPC title