IP Library Granted Patent US 11,115,995
Granted Patent B2
US 11,115,995 · App. 16/327,768 · Granted Sep 7, 2021

Scheduling timer

Inventors: Mattias Bergström (Sollentuna, SE); Mats Folke (Vällingby, SE); Magnus Stattin (Upplands Väsby, SE)
Assignee: Telefonaktiebolaget L M Ericsson (publ)
H04W72/1263H04L1/1883H04W4/80H04W72/0446H04W72/12H04W72/14H04W76/28
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,115,995
App. No.
16/327,768
Granted
Sep 7, 2021
Kind
B2
Abstract

A method in a user equipment ( 110 ) comprises receiving ( 604 ) a grant ( 305, 405, 505 ), the grant scheduling one or more dynamically-delayed transmissions ( 310 A-C, 410 A-C, 510 A-C) for the user equipment. The method comprises in response to receiving the grant, starting ( 608 ) a timer associated with dynamically-delayed scheduling, wherein at least one of a start time of the timer and a duration of the 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.

Claims (125)

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.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 22, 2019
From: BERGSTRÖM, MATTIAS; FOLKE, MATS; STATTIN, MAGNUS
To: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
Reel/Frame 048417/0163 →
Continuity (2)
Provisional Application 62378373 · Aug 23, 2016
Related Publication 20190208535A1 · Jul 4, 2019