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1. US20190208535 - Scheduling timer

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Claims

1. A method in a user equipment, comprising:
receiving a grant, the grant scheduling one or more dynamically-delayed transmissions for the user equipment, wherein the one or more dynamically-delayed transmissions comprises one or more transmissions scheduled using dynamically-delayed scheduling; and
in response to receiving the grant, starting an inactivity timer associated with dynamically-delayed scheduling, wherein:
the inactivity timer comprises a timer that indicates how long the user equipment remains active after receiving the grant; and
at least one of a start time of the inactivity timer and a duration of the inactivity timer is configured such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received by the user equipment.
2. The method of claim 1, comprising:
determining, based on one or more criteria, whether the inactivity timer associated with dynamically-delayed scheduling should be used,
wherein the one or more criteria comprise one or more of:
network signaling;
a type of cell on which the user equipment is scheduled;
a type of scheduling used; and
a type of grant used.
3. The method of claim 1, wherein starting the inactivity timer associated with dynamically-delayed scheduling comprises starting the inactivity timer when the user equipment performs one of the one or more dynamically-delayed transmissions scheduled by the received grant.
4. The method of claim 1, wherein starting the inactivity timer associated with dynamically-delayed scheduling comprises starting the inactivity timer at a predefined time prior to performing one of the one or more dynamically-delayed transmissions scheduled by the received grant.
5. The method of claim 1, wherein:
starting the inactivity timer associated with dynamically-delayed scheduling comprises starting the inactivity timer when the grant is received;
the duration of the inactivity timer associated with dynamically-delayed scheduling is extended such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received; and
the duration of the inactivity timer associated with dynamically-delayed scheduling is longer than another inactivity timer associated with grants that do not schedule dynamically-delayed transmissions.
6. The method of claim 1, wherein receiving the grant comprises:
receiving a first part of the grant at a first time, the first part of the grant comprising information about a modulation and coding scheme for the one or more dynamically-delayed transmissions scheduled for the user equipment; and
receiving a second part of the grant at a second time, the second part of the grant indicating when the user equipment should perform the one or more dynamically-delayed transmissions; and
wherein an amount of delay associated with the one or more dynamically-delayed transmissions is indicated in at least one of the first part of the grant and the second part of the grant.
7. The method of claim 6, wherein starting the inactivity timer associated with dynamically-delayed scheduling comprises starting the inactivity timer based on the first part of the grant.
8. The method of claim 6, wherein starting the inactivity timer associated with dynamically-delayed scheduling comprises starting the inactivity timer based on the second part of the grant.
9. The method of claim 1, comprising:
performing at least one of the scheduled one or more dynamically-delayed transmissions; and
receiving an acknowledgement for the at least one performed dynamically-delayed transmission before the inactivity timer associated with dynamically-delayed scheduling expires.
10. A method in a network node, comprising:
configuring a user equipment to start an inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant scheduling one or more dynamically-delayed transmissions for the user equipment, wherein:
the inactivity timer comprises a timer that indicates how long the user equipment remains active after receiving the grant;
at least one of a start time of the inactivity timer and a duration of the inactivity timer is configured such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received by the user equipment;
the one or more dynamically-delayed transmissions comprises one or more transmissions scheduled using dynamically-delayed scheduling; and
sending the grant to the user equipment.
11. The method of claim 10, comprising determining, based on one or more criteria, whether the user equipment should be configured to use the inactivity timer associated with dynamically-delayed scheduling,
wherein the one or more criteria comprise one or more of:
a type of cell on which the user equipment is scheduled;
a type of scheduling used; and
a type of grant used.
12. The method of claim 10, wherein configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises:
configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling when the user equipment performs one of the one or more dynamically-delayed transmissions scheduled by the sent grant.
13. The method of claim 10, wherein configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises:
configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling at a predefined time prior to performing one of the one or more dynamically-delayed transmissions scheduled by the sent grant.
14. The method of claim 10, wherein configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises:
configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling when the user equipment receives the grant; and wherein:
the duration of the inactivity timer associated with dynamically-delayed scheduling is extended such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received; and
the duration of the inactivity timer associated with dynamically-delayed scheduling is longer than another timer associated with grants that do not schedule dynamically-delayed transmissions.
15. The method of claim 10, wherein sending the grant comprises:
sending a first part of the grant at a first time, the first part of the grant comprising information about a modulation and coding scheme for the one or more dynamically-delayed transmissions scheduled for the user equipment; and
sending a second part of the grant at a second time, the second part of the grant indicating when the user equipment should perform the one or more dynamically-delayed transmissions; and
wherein an amount of delay associated with the one or more dynamically-delayed transmissions is indicated in at least one of the first part of the grant and the second part of the grant.
16. The method of claim 15, wherein configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises:
configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the first part of the grant.
17. The method of claim 15, wherein configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises:
configuring the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the second part of the grant.
18. The method of claim 10, wherein the one or more dynamically-delayed transmissions comprise a plurality of uplink transmissions scheduled in a plurality of subframes.
19. A user equipment, comprising:
processing circuitry, the processing circuitry configured to:
receive a grant, the grant scheduling one or more dynamically-delayed transmissions for the user equipment, wherein the one or more dynamically-delayed transmissions comprises one or more transmissions scheduled using dynamically-delayed scheduling; and
in response to receiving the grant, start an inactivity timer associated with dynamically-delayed scheduling, wherein:
the inactivity timer comprises a timer that indicates how long the user equipment remains active after receiving the grant; and
at least one of a start time of the inactivity timer and a duration of the inactivity timer is configured such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received by the user equipment.
20. The user equipment of claim 19, wherein the processing circuitry is configured to:
determine, based on one or more criteria, whether the inactivity timer associated with dynamically-delayed scheduling should be used.
21. The user equipment of claim 20, wherein the one or more criteria comprise one or more of:
network signaling;
a type of cell on which the user equipment is scheduled;
a type of scheduling used; and
a type of grant used.
22. The user equipment of claim 19, wherein the processing circuitry configured to start the inactivity timer associated with dynamically-delayed scheduling comprises processing circuitry configured to start the inactivity timer when the user equipment performs one of the one or more dynamically-delayed transmissions scheduled by the received grant.
23. The user equipment of claim 19, wherein the processing circuitry configured to start the inactivity timer associated with dynamically-delayed scheduling comprises processing circuitry configured to start the inactivity timer at a predefined time prior to performing one of the one or more dynamically-delayed transmissions scheduled by the received grant.
24. The user equipment of claim 19, wherein:
the processing circuitry configured to start the inactivity timer associated with dynamically-delayed scheduling comprises processing circuitry configured to start the inactivity timer when the grant is received;
the duration of the inactivity timer associated with dynamically-delayed scheduling is extended such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received; and
the duration of the inactivity timer associated with dynamically-delayed scheduling is longer than another timer associated with grants that do not schedule dynamically-delayed transmissions.
25. The user equipment of claim 19, wherein:
the one or more dynamically-delayed transmissions comprise one or more uplink transmissions; and
the grant is an uplink grant for the one or more uplink transmissions.
26. The user equipment of claim 19, wherein:
the one or more dynamically-delayed transmissions comprise one or more sidelink transmissions; and
the grant is a sidelink grant for the one or more sidelink transmissions.
27. The user equipment of claim 19, wherein the processing circuitry configured to receive the grant comprises processing circuitry configured to:
receive a first part of the grant at a first time, the first part of the grant comprising information about a modulation and coding scheme for the one or more dynamically-delayed transmissions scheduled for the user equipment; and
receive a second part of the grant at a second time, the second part of the grant indicating when the user equipment should perform the one or more dynamically-delayed transmissions; and
wherein an amount of delay associated with the one or more dynamically-delayed transmissions is indicated in at least one of the first part of the grant and the second part of the grant.
28. The user equipment of claim 27, wherein the processing circuitry configured to start the inactivity timer associated with dynamically-delayed scheduling comprises processing circuitry configured to start the inactivity timer based on the first part of the grant.
29. The user equipment of claim 27, wherein the processing circuitry configured to start the inactivity timer associated with dynamically-delayed scheduling comprises processing circuitry configured to start the inactivity timer based on the second part of the grant.
30. The user equipment of claim 19, wherein the one or more dynamically-delayed transmissions comprise a plurality of uplink transmissions scheduled in a plurality of subframes.
31. The user equipment of claim 19, wherein the processing circuitry is configured to:
perform at least one of the scheduled one or more dynamically-delayed transmissions; and
receive an acknowledgement for the at least one performed dynamically-delayed transmission before the inactivity timer associated with dynamically-delayed scheduling expires.
32. A network node, comprising:
processing circuitry, the processing circuitry configured to:
configure a user equipment to start an inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant scheduling one or more dynamically-delayed transmissions for the user equipment, wherein:
the inactivity timer comprises a timer that indicates how long the user equipment remains active after receiving the grant;
at least one of a start time of the inactivity timer and a duration of the inactivity timer is configured such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received by the user equipment;
the one or more dynamically-delayed transmissions comprises one or more transmissions scheduled using dynamically-delayed scheduling; and
send the grant to the user equipment.
33. The network node of claim 32, wherein the processing circuitry is configured to determine, based on one or more criteria, whether the user equipment should be configured to use the inactivity timer associated with dynamically-delayed scheduling.
34. The network node of claim 33, wherein the one or more criteria comprise one or more of:
a type of cell on which the user equipment is scheduled;
a type of scheduling used; and
a type of grant used.
35. The network node of claim 32, wherein the processing circuitry configured to configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises processing circuitry configured to:
configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling when the user equipment performs one of the one or more dynamically-delayed transmissions scheduled by the sent grant.
36. The network node of claim 32, wherein the processing circuitry configured to configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises processing circuitry configured to:
configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling at a predefined time prior to performing one of the one or more dynamically-delayed transmissions scheduled by the sent grant.
37. The network node of claim 32, wherein the processing circuitry configured to configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises processing circuitry configured to:
configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling when the user equipment receives the grant; and wherein:
the duration of the inactivity timer associated with dynamically-delayed scheduling is extended such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received; and
the duration of the inactivity timer associated with dynamically-delayed scheduling is longer than another timer associated with grants that do not schedule dynamically-delayed transmissions.
38. The network node of claim 32, wherein:
the one or more dynamically-delayed transmissions comprise one or more uplink transmissions; and
the sent grant is an uplink grant for the one or more uplink transmissions.
39. The network node of claim 32, wherein:
the one or more dynamically-delayed transmissions comprise one or more sidelink transmissions; and
the sent grant is a sidelink grant for the one or more sidelink transmissions.
40. The network node of claim 32, wherein the processing circuitry configured to send the grant comprises processing circuitry configured to:
send a first part of the grant at a first time, the first part of the grant comprising information about a modulation and coding scheme for the one or more dynamically-delayed transmissions scheduled for the user equipment; and
send a second part of the grant at a second time, the second part of the grant indicating when the user equipment should perform the one or more dynamically-delayed transmissions; and
wherein an amount of delay associated with the one or more dynamically-delayed transmissions is indicated in at least one of the first part of the grant and the second part of the grant.
41. The network node of claim 40, wherein the processing circuitry configured to configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises processing circuitry configured to:
configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the first part of the grant.
42. The network node of claim 40, wherein the processing circuitry configured to configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the user equipment receiving a grant comprises processing circuitry configured to:
configure the user equipment to start the inactivity timer associated with dynamically-delayed scheduling based on the second part of the grant.
43. The network node of claim 32, wherein the one or more dynamically-delayed transmissions comprise a plurality of uplink transmissions scheduled in a plurality of subframes.