IP Library › Granted Patent US 12,302,252
Granted Patent B2
US 12,302,252 · App. 18/664,465 · Granted May 13, 2025

Sounding reference signal transmission in a wireless communication system

Inventors: Hua Zhou (Vienna, VA); Esmael Hejazi Dinan (McLean, VA); Alireza Babaei (Fairfax, VA); Ali Cagatay Cirik (Chantilly, VA); Hyoungsuk Jeon (Centreville, VA); Kyungmin Park (Vienna, VA); Kai Xu (Great Falls, VA)
Assignee: Ofinno, LLC
H04W52/0235H04L5/0048H04L27/261H04W76/27
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Quick Facts
Patent No.
US 12,302,252
App. No.
18/664,465
Granted
May 13, 2025
Kind
B2
Abstract

A wireless device receives one or more radio resource control (RRC) messages comprising configuration parameters indicating a first configuration of first sounding reference signals (SRSs) used in a first state, wherein the first configuration indicates first SRS radio resources of the first SRSs. The parameters further indicate a second configuration of positioning SRSs used in a second state, wherein the second configuration indicates second SRS radio resources of the positioning SRSs. The parameters further indicate a first bandwidth part (BWP) configuration of a first BWP for the first state and a second BWP configuration of a second BWP for the second state. The wireless device transmits the first SRSs in the first state via the first BWP of a cell. The wireless device transmits the positioning SRSs in the second state via the second BWP of the cell.

Claims (61)

1. A wireless device comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the wireless device to:

receive one or more radio resource control (RRC) messages comprising configuration parameters indicating:

a first configuration of first sounding reference signals (SRSs) used in a first state in which the wireless device monitors downlink control channels associated with a shared data channel to determine whether data is scheduled for the wireless device, wherein the first configuration indicates first SRS radio resources of the first SRSs;

a second configuration of positioning SRSs used in a second state in which the wireless device does not monitor the downlink control channels, wherein the second configuration indicates second SRS radio resources of the positioning SRSs;

a first bandwidth part (BWP) configuration of a first BWP for the first state; and

a second BWP configuration of a second BWP for the second state;

transmit, in the first state and via the first SRS radio resources in the first BWP of a cell, the first SRSs; and

transmit, in the second state and via the second SRS radio resources in the second BWP of the cell, the positioning SRSs.

2. The wireless device of claim 1 , wherein the instructions further cause the wireless device to transition to the second state from the first state based on receiving a command, from a base station, indicating the transitioning from the first state to the second state.

3. The wireless device of claim 1 , wherein:

in the first state, the wireless device transmits uplink signals via uplink control channels of the cell; and

in the second state, the wireless device does not transmit the uplink signals via the uplink control channel of the cell.

4. The wireless device of claim 1 , wherein the instructions further cause the wireless device to:

transmit the first SRSs via the first BWP based on activating the first BWP of the cell in the first state; and

transmit the positioning SRSs via the second BWP based on activating the second BWP of the cell in the second state.

5. The wireless device of claim 1 , wherein the cell comprises a primary cell of a plurality of cells.

6. The wireless device of claim 1 , wherein the positioning SRSs are different from the first SRSs.

7. The wireless device of claim 1 , wherein the instructions further cause the wireless device to not:

transmit the first SRSs in the second state; and

transmit the second SRSs in the first state.

8. A base station comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the base station to:

transmit, to a wireless device, one or more radio resource control (RRC) messages comprising configuration parameters indicating:

a first configuration of first sounding reference signals (SRSs) used in a first state in which the wireless device monitors downlink control channels associated with a shared data channel to determine whether data is scheduled for the wireless device, wherein the first configuration indicates first SRS radio resources of the first SRSs;

a second configuration of positioning SRSs used in a second state in which the wireless device does not monitor the downlink control channels, wherein the second configuration indicates second SRS radio resources of the positioning SRSs;

a first bandwidth part (BWP) configuration of a first BWP for the first state; and

a second BWP configuration of a second BWP for the second state;

receive, from the wireless device in the first state and via the first SRS radio resources in the first BWP of a cell, the first SRSs; and

receive, from the wireless device in the second state and via the second SRS radio resources in the second BWP of the cell, the positioning SRSs.

9. The base station of claim 8 , wherein the instructions further cause the base station to transmit, to the wireless device, a command indicating a transition of the wireless device from the first state to the second state.

10. The base station of claim 8 , wherein the instructions further cause the base station to:

in response to the wireless device being in the first state, receive, from the wireless device, uplink signals via uplink control channels of the cell; and

in response to the wireless device being in the second state, not receive, from the wireless device, the uplink signals via the uplink control channel of the cell.

11. The base station of claim 8 , wherein the instructions further cause the base station to:

receive the first SRSs via the first BWP based on activating the first BWP of the cell in the first state; and

receive the positioning SRSs via the second BWP based on activating the second BWP of the cell in the second state.

12. The base station of claim 8 , wherein the cell comprises a primary cell of a plurality of cells.

13. The base station of claim 8 , wherein the positioning SRSs are different from the first SRSs.

14. The base station of claim 8 , wherein the instructions further cause the base station to not:

receive the first SRSs in the second state; and

receive the second SRSs in the first state.

15. A non-transitory computer-readable medium comprising instructions that, when executed by one or more processors of a wireless device, cause the wireless device to:

receive one or more radio resource control (RRC) messages comprising configuration parameters indicating:

a first configuration of first sounding reference signals (SRSs) used in a first state in which the wireless device monitors downlink control channels associated with a shared data channel to determine whether data is scheduled for the wireless device, wherein the first configuration indicates first SRS radio resources of the first SRSs;

a second configuration of positioning SRSs used in a second state in which the wireless device does not monitor the downlink control channels, wherein the second configuration indicates second SRS radio resources of the positioning SRSs;

a first bandwidth part (BWP) configuration of a first BWP for the first state; and

a second BWP configuration of a second BWP for the second state;

transmit, in the first state and via the first SRS radio resources in the first BWP of a cell, the first SRSs; and

transmit, in the second state and via the second SRS radio resources in the second BWP of the cell, the positioning SRSs.

16. The non-transitory computer-readable medium of claim 15 , wherein the instructions further cause the wireless device to transition to the second state from the first state based on receiving a command, from a base station, indicating the transitioning from the first state to the second state.

17. The non-transitory computer-readable medium of claim 15 , wherein:

in the first state, the wireless device transmits uplink signals via uplink control channels of the cell; and

in the second state, the wireless device does not transmit the uplink signals via the uplink control channel of the cell.

18. The non-transitory computer-readable medium of claim 15 , wherein the instructions further cause the wireless device to:

transmit the first SRSs via the first BWP based on activating the first BWP of the cell in the first state; and

transmit the positioning SRSs via the second BWP based on activating the second BWP of the cell in the second state.

19. The non-transitory computer-readable medium of claim 15 , wherein the cell comprises a primary cell of a plurality of cells.

20. The non-transitory computer-readable medium of claim 15 , wherein the positioning SRSs are different from the first SRSs.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 10, 2024
From: ZHOU, HUA; DINAN, ESMAEL HEJAZI; BABAEI, ALIREZA; CIRIK, ALI; JEON, HYOUNGSUK; PARK, KYUNGMIN; XU, KAI
To: OFINNO, LLC
Reel/Frame 068259/0674 →
Continuity (5)
Continuation 17188650 · Mar 1, 2021
Continuation PCTUS2019048550 · Aug 28, 2019
Provisional Application 62736248 · Sep 25, 2018
Provisional Application 62723583 · Aug 28, 2018
Related Publication 20240314693A1 · Sep 19, 2024
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