Granted Patent B2

US 12,593,274 · App. 17/653,867 · Granted Mar 31, 2026

Inventors: Ahmed Attia Abotabl (San Diego, CA); Hung Dinh Ly (San Diego, CA); Yongjun Kwak (San Diego, CA); Ahmed Elshafie (San Diego, CA)

Assignee: QUALCOMM Incorporated

H04W52/0216H04L1/0025H04W72/044H04W72/1263

Abstract

Claims (81)

1 . An apparatus for wireless communications, comprising:

a memory comprising instructions; and

one or more processors configured to execute the instructions and cause the apparatus to:

obtain, from a network node, an energy saving(ES) configuration providing a plurality of ES modes initiated by the network node, wherein each of the plurality of ES modes is associated with a corresponding one or more communication parameters comprising at least a scheduling request (SR) timer value and a maximum SR transmission value, and wherein the plurality of ES modes comprise a first ES mode and a second ES mode;

obtain, from the network node, an indication of a change from the first ES mode to the second ES mode, wherein the first ES mode is associated with a corresponding first communication parameter of the one or more communication parameters, and the second ES mode is associated with a corresponding second communication parameter of the one or more communication parameters; and

communicate with the network node using the second communication parameter.

2 . The apparatus of claim 1 , wherein the apparatus is further configured to:

switch from the first communication parameter to the second communication parameter in response to the indication of the change.

3 . The apparatus of claim 2 , wherein:

the first communication parameter comprises a first maximum scheduling request (SR) transmission value, and the second communication parameter comprises a second maximum SR transmission value, and

the apparatus is further configured to:

output, for transmission prior to the switch, a first SR to the network node, wherein outputting the first SR for transmission is based on an SR counter value being less than the first maximum SR transmission value; and

increment the SR counter value in response to outputting the first SR for transmission.

4 . The apparatus of claim 3 , wherein the apparatus is further configured to:

output, for transmission after the switch, a second SR to the network node, wherein outputting the second SR for transmission is based on the incremented SR counter value being less than the first maximum SR transmission value.

5 . The apparatus of claim 3 , wherein the apparatus is further configured to:

output, for transmission after the switch, a second SR to the network node, wherein outputting the second SR for transmission is based on the incremented SR counter value being less than the second maximum SR transmission value.

6 . The apparatus of claim 3 , wherein the apparatus is further configured to:

reset the SR counter value; and

output, for transmission after the switch, a second SR to the network node, wherein outputting the second SR for transmission is based on the reset of the SR counter, the reset SR counter value being less than the second maximum SR transmission value.

7 . The apparatus of claim 2 , wherein the apparatus is further configured to:

terminate a first SR process during the switch, the first SR process configured to prepare a first SR for transmission using the first communication parameter; and

output, for transmission after the switch, a second SR using the second communication parameter, the second SR prepared for transmission by a second SR process performed after the switch.

8 . The apparatus of claim 7 , wherein an SR counter value is reset in response to the termination of the first SR process.

9 . The apparatus of claim 2 , wherein the apparatus is further configured to:

initiate an SR process that prepares an SR for transmission using the first communication parameter;

pause the SR process during the switch;

resume the SR process after the switch; and

output, for transmission after the switch, the SR using the first communication parameter, the SR prepared after resuming the SR process after the switch.

10 . The apparatus of claim 9 , wherein an SR counter value prior to the switch is maintained after the switch.

11 . The apparatus of claim 1 , wherein the one or more communication parameters comprise one or more bandwidth parts (BWPs), and wherein the ES configuration comprises at least one of:

an indication of one or more ES modes of the plurality of ES modes corresponding to each of the one or more BWPs, or

an identifier of the one or more BWPs associated with each of the one or more ES modes.

12 . The apparatus of claim 1 , wherein:

the first communication parameter is a first bandwidth part (BWP), and

the second communication parameter is a second BWP associated with the second ES mode and a third ES mode.

13 . The apparatus of claim 12 , wherein the apparatus is further configured to:

switch from the first BWP to the second BWP in response to the indication of the change, wherein the switch occurs after a defined amount of time.

14 . The apparatus of claim 13 , wherein the ES configuration comprises an indication of the amount of time.

15 . The apparatus of claim 12 , wherein the plurality of ES modes further comprise a third ES mode associated with a corresponding third BWP, wherein the apparatus is further configured to:

switch from the second BWP to a third BWP in order to perform an initial access process with the network node, wherein the third BWP is an initial access BWP.

16 . The apparatus of claim 15 , wherein the third BWP is associated with each of the plurality of ES modes or to a subset of the plurality of ES modes.

17 . The apparatus of claim 1 , wherein the ES configuration is obtained via a radio resource control (RRC) message.

18 . The apparatus of claim 1 , further comprising a transceiver configured to:

receive, from the network node, the ES configuration; and

receive, from the network node, the indication of the change from the first ES mode to the second ES mode, wherein the apparatus is configured as a user equipment (UE).

19 . An apparatus for wireless communications, comprising:

a memory comprising instructions; and

one or more processors configured to execute the instructions and cause the apparatus to:

output, for transmission to a user equipment (UE), an energy saving(ES) configuration providing a plurality of ES modes initiated by the apparatus, wherein each of the plurality of ES modes is associated with a corresponding one or more communication parameters comprising at least a scheduling request (SR) timer value and a maximum SR transmission value, and wherein the plurality of ES modes comprise a first ES mode and a second ES mode;

output, for transmission to the UE, an indication of a change from the first ES mode to the second ES mode, wherein the first ES mode is mapped to associated with a corresponding first communication parameter of the one or more communication parameters, and the second ES mode is associated with a corresponding second communication parameter of the one or more communication parameters; and

communicate with the UE according to the second communication parameter.

20 . The apparatus of claim 19 , wherein the first communication parameter comprises a first maximum scheduling request (SR) transmission value, and the second communication parameter comprises a second maximum SR transmission value.

21 . The apparatus of claim 20 , wherein the apparatus is further configured to:

switch from the first ES mode to the second ES mode; and

obtain, from the UE after the switch, an SR configured according to one of the first maximum SR transmission value or the second maximum SR transmission value.

22 . The apparatus of claim 19 , wherein the one or more communication parameters comprise one or more bandwidth parts (BWPs), and wherein the ES configuration comprises at least one of:

an indication of one or more ES modes of the plurality of ES modes corresponding to each of the one or more BWPs, or

an identifier of the one or more BWPs associated with each of the one or more ES modes.

23 . The apparatus of claim 19 , wherein:

the first communication parameter is a first bandwidth part (BWP), and

the second communication parameter is a second BWP associated with the second ES mode and a third ES mode.

24 . The apparatus of claim 23 , wherein the apparatus is further configured to:

switch from the first BWP to the second BWP after a defined amount of time following the output for transmission of the indication of the change; and

communicate with the UE according to the second BWP after the switch.

25 . The apparatus of claim 24 , wherein the ES configuration comprises an indication of the amount of time and wherein the ES configuration is output for transmission via a radio resource control (RRC) message.

26 . The apparatus of claim 23 , wherein the plurality of ES modes further comprise a third ES mode associated with a corresponding third BWP, wherein the apparatus is further configured to:

perform, via the third BWP, an initial access process with the UE, wherein the third BWP is an initial access BWP.

27 . The apparatus of claim 19 , further comprising a transceiver configured to:

transmit the ES configuration; and

transmit the indication of the change, wherein the apparatus is configured as a network node.

28 . A method for wireless communications at a user equipment (UE), comprising:

obtaining, from a network node, an energy saving(ES) configuration providing a plurality of ES modes initiated by the network node, wherein each of the plurality of ES modes is associated with a corresponding one or more communication parameters comprising at least a scheduling request (SR) timer value and a maximum SR transmission value, and wherein the plurality of ES modes comprise a first ES mode and a second ES mode;

obtaining, from the network node, an indication of a change from the first ES mode to the second ES mode, wherein the first ES mode is associated with a corresponding first communication parameter of the one or more communication parameters, and the second ES mode is associated with a corresponding second communication parameter of the one or more communication parameters; and

communicating with the network node using the second communication parameter.

29 . The method of claim 28 , further comprising:

switching from the first communication parameter to the second communication parameter in response to the indication of the change.

30 . The method of claim 29 , wherein:

the first communication parameter comprises a first maximum scheduling request (SR) transmission value, and the second communication parameter comprises a second maximum SR transmission value, the method further comprising:

outputting, for transmission prior to the switching, a first SR to the network node, wherein outputting the first SR for transmission is based on an SR counter value being less than the first maximum SR transmission value; and

incrementing the SR counter value in response to outputting the first SR for transmission.

Assignments (1)

Continuity (1)

References Cited (16)