Granted Patent B2

US 12,732,792 · App. 18/070,216 · Granted Sep 8, 2026

Inventors: Kuo-Chun Lee (San Diego, CA); Qingxin Chen (San Diego, CA); Arvind Vardarajan Santhanam (San Diego, CA); Reza Shahidi (La Jolla, CA); Shanshan Wang (San Diego, CA); Liangchi Hsu (San Diego, CA); Rishav Rej (San Diego, CA); Ie-Hong Lin (Cupertino, CA); Karthik Venkatram (San Diego, CA); Subashini Krishnamurthy (San Diego, CA); Sudeep Jain (Fremont, CA); Amit Jain (San Diego, CA); Tom Chin (San Diego, CA)

Assignee: Qualcomm Incorporated

H04W8/183H04W8/02H04W64/00H04W12/40H04W88/06

Abstract

Claims (81)

1 . A method of wireless communication, by a multi-subscription user equipment (UE), comprising:

prioritizing a first subscription over a second subscription based on a first subscription state and a first service type in connected mode of the first subscription and a second subscription state and a second service type in the connected mode of the second subscription to save power when receiving a positioning system information block (posSIB);

selecting the first subscription to receive the posSIB in accordance with the prioritizing, the first subscription state comprising an idle/inactive mode, or a connected mode, and the second subscription state comprising the idle/inactive mode, or the connected mode; and

receiving the posSIB via the first subscription.

2 . The method of claim 1 , further comprising switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

3 . The method of claim 1 , further comprising:

requesting a ciphering key for the posSIB via the first subscription in response to the first subscription belonging to a same network operator as the second subscription;

switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

using the ciphering key after switching.

4 . The method of claim 1 , further comprising:

requesting a first ciphering key for the posSIB via the first subscription;

switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

requesting a subsequent ciphering key for the posSIB via the second subscription.

5 . The method of claim 1 , further comprising remaining on the first subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

6 . The method of claim 1 , further comprising:

predicting whether a duration of a positioning session is less than a threshold;

switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being greater than the threshold; or

remaining on the first subscription to receive the subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being less than the threshold.

7 . The method of claim 1 , in which the second subscription state changing and/or the first subscription state changing comprises switching between the idle/inactive mode and the connected mode.

8 . The method of claim 1 , in which the second subscription state changing and/or the first subscription state changing comprises switching between voice service and data service.

9 . An apparatus for of wireless communication, by a multi-subscription user equipment (UE), comprising:

a memory;

a transceiver; and

at least one processor coupled to the memory, the at least one processor and transceiver configured:

to prioritize a first subscription over a second subscription based on a first subscription state and a first service type in connected mode of the first subscription and a second subscription state and a second service type in the connected mode of the second subscription to save power when receiving a positioning system information block (posSIB);

to select the first subscription to receive the posSIB in accordance with prioritizing, the first subscription state comprising an idle/inactive mode, or a connected mode, and the second subscription state comprising the idle/inactive mode, or the connected mode; and

to receive the posSIB via the first subscription.

10 . The apparatus of claim 9 , in which the at least one processor is further configured to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

11 . The apparatus of claim 9 , in which the at least one processor is further configured:

to request a ciphering key for the posSIB via the first subscription in response to the first subscription belonging to a same network operator as the second subscription;

to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

to use the ciphering key after switching.

12 . The apparatus of claim 9 , in which the at least one processor is further configured:

to request a first ciphering key for the posSIB via the first subscription;

to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

to request a subsequent ciphering key for the posSIB via the second subscription.

13 . The apparatus of claim 9 , in which the at least one processor is further configured to remain on the first subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

14 . The apparatus of claim 9 , in which the at least one processor is further configured:

to predict whether a duration of a positioning session is less than a threshold;

to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being greater than the threshold; or

to remain on the first subscription to receive the subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being less than the threshold.

15 . The apparatus of claim 9 , in which the second subscription state changing and/or the first subscription state changing comprises switching between the idle/inactive mode and the connected mode.

16 . The apparatus of claim 9 , in which the second subscription state changing and/or the first subscription state changing comprises switching between voice service and data service.

17 . An apparatus for of wireless communication, by a multi-subscription user equipment (UE), comprising:

means for prioritizing a first subscription over a second subscription based on a first subscription state and a first service type in connected mode of the first subscription and a second subscription state and a second service type in the connected mode of the second subscription to save power when receiving a positioning system information block (posSIB);

means for selecting the first subscription to receive the posSIB in accordance with the prioritizing, the first subscription state comprising an idle/inactive mode, or a connected mode, and the second subscription state comprising the idle/inactive mode, or the connected mode; and

means for receiving the posSIB via the first subscription.

18 . The apparatus of claim 17 , further comprising means for switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

19 . The apparatus of claim 17 , further comprising:

means for requesting a ciphering key for the posSIB via the first subscription in response to the first subscription belonging to a same network operator as the second subscription;

means for switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

means for using the ciphering key after switching.

20 . The apparatus of claim 17 , further comprising:

means for requesting a first ciphering key for the posSIB via the first subscription;

means for switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

means for requesting a subsequent ciphering key for the posSIB via the second subscription.

21 . The apparatus of claim 17 , further comprising means for remaining on the first subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

22 . The apparatus of claim 17 , further comprising:

means for predicting whether a duration of a positioning session is less than a threshold;

means for switching from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being greater than the threshold; or

means for remaining on the first subscription to receive the subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being less than the threshold.

23 . The apparatus of claim 17 , in which the second subscription state changing and/or the first subscription state changing comprises switching between the idle/inactive mode and the connected mode.

24 . The apparatus of claim 17 , in which the second subscription state changing and/or the first subscription state changing comprises switching between voice service and data service.

25 . A non-transitory computer-readable medium having program code recorded thereon, the program code executed by a processor and comprising:

program code to prioritize a first subscription over a second subscription based on a first subscription state and a first service type in connected mode of the first subscription and a second subscription state and a second service type in the connected mode of the second subscription to save power when receiving a positioning system information block (posSIB);

program code to select the first subscription to receive the posSIB in accordance with prioritizing, the first subscription state comprising an idle/inactive mode, or a connected mode, and the second subscription state comprising the idle/inactive mode, or the connected mode; and

program code to receive the posSIB via the first subscription.

26 . The non-transitory computer-readable medium of claim 25 , in which the program code further comprises program code to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

27 . The non-transitory computer-readable medium of claim 25 , in which the program code further comprises:

program code to request a ciphering key for the posSIB via the first subscription in response to the first subscription belonging to a same network operator as the second subscription;

program code to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

program code to use the ciphering key after switching.

28 . The non-transitory computer-readable medium of claim 25 , in which the program code further comprises:

program code to request a first ciphering key for the posSIB via the first subscription;

program code to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing; and

program code to request a subsequent ciphering key for the posSIB via the second subscription.

29 . The non-transitory computer-readable medium of claim 25 , in which the program code further comprises program code to remain on the first subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing.

30 . The non-transitory computer-readable medium of claim 25 , in which the program code further comprises:

program code to predict whether a duration of a positioning session is less than a threshold;

program code to switch from the first subscription to the second subscription to receive a subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being greater than the threshold; or

program code to remain on the first subscription to receive the subsequent posSIB, in response to the second subscription state changing and/or the first subscription state changing, and also in response to the duration of the positioning session being less than the threshold.

Assignments (1)

Continuity (1)

References Cited (62)