EP-4736329-A1 - DYNAMIC GNSS BLANKING

Abstract

Certain aspects of the present disclosure provide techniques and apparatus for dynamic global navigation satellite system (GNSS) blanking. An exemplary method includes determining an uplink (UL) transmission to be sent via a first radio access technology (RAT) radio of the UE will occur during an operating session of a second RAT radio of the UE, performing a blanking operation on signals received using the second RAT radio during the operating session when one or more thresholds associated with the UL transmission are satisfied, and refraining from performing the blanking operation on the signals received using the second RAT radio during the operating session when the one or more thresholds associated with the UL transmission are not satisfied.

Inventors

• KARKHANEH, Haleh
• LAU, SOON-SENG
• VIRK, Tarandeep
• GURUMOORTHY, Shriram
• KULKARNI, Abhishek Ananthrao
• RAMACHANDRAN, BALASUBRAMANIAN

Assignees

• QUALCOMM INCORPORATED

Dates

Publication Date

20260506

Application Date

20240313

Claims (20)

1. 1. A user equipment (UE) for wireless communication, comprising: one or more processors configured to execute instructions stored on one or more memories and to cause the UE to: determine an uplink (UL) transmission to be sent via a first radio access technology (RAT) radio of the UE will occur during an operating session of a second RAT radio of the UE; perform a blanking operation on signals received using the second RAT radio during the operating session when one or more thresholds associated with the UL transmission are satisfied; and refrain from performing the blanking operation on the signals received using the second RAT radio during the operating session when the one or more thresholds associated with the UL transmission are not satisfied.
2. 2. The UE of claim 1, wherein the second RAT radio comprises a global navigation satellite system (GNSS) receiver.
3. 3. The UE of claim 2, wherein the first RAT radio comprises a wireless wide area network (WWAN) radio.
4. 4. The UE of claim 1, wherein: the one or more thresholds comprise a power threshold associated with the UL transmission; to perform the blanking operation, the one or more processors are configured to cause the UE to perform the blanking operation on the signals received using the second RAT radio when a transmission power of the UL transmission is greater than or equal to the power threshold; and to refrain from performing the blanking operation, the one or more processors are configured to cause the UE to refrain from performing the blanking operation on the signals received using the second RAT radio when the transmission power of the UL transmission is less than the power threshold.
5. 5. The UE of claim 4, wherein the power threshold associated with the UL transmission is based on an antenna isolation between a first antenna associated with the first RAT radio for the UL transmission and a second antenna associated with the second RAT radio for receiving the signals during the operating session.
6. 6. The UE of claim 5, wherein to refrain from performing the blanking operation, the one or more processors are configured to cause the UE to refrain from performing the blanking operation on the signals received using the second RAT radio when the antenna isolation is greater than an antenna isolation threshold.
7. 7. The UE of claim 5, wherein the antenna isolation is a measured antenna isolation stored in the one or more memories of the UE.
8. 8. The UE of claim 7, wherein the one or more processors are further configured to cause the UE to: obtain an initial power threshold and a power order from the one or more memories of the UE; obtain the measured antenna isolation from the one or more memories of the UE; and calculate the power threshold associated with the UL transmission using the initial power threshold, the power order, and the measured antenna isolation.
9. 9. The UE of claim 8, wherein the one or more processors are further configured to cause the UE to: determine a change in an automatic gain control (AGC) power associated with the UL transmission between time periods; and compare the AGC power associated with the UL transmission to the power threshold, wherein: to perform the blanking operation, the one or more processors are configured to cause the UE to perform the blanking operation on the signals received using the second RAT radio during the operating session when the AGC power associated with the UL power is greater than or equal to the power threshold; and to refrain from performing the blanking operation, the one or more processors are configured to cause the UE to refrain from performing the blanking operation on the signals received using the second RAT radio during the operating session when the AGC power associated with the UL power is less than the power threshold.
10. 10. The UE of claim 9, wherein the change in the AGC power associated with the UL transmission occurs between time slots or symbols.
11. 11. The UE of claim 1, wherein: the one or more thresholds comprise an overall intermodulation distortion (IMD) threshold associated with the UL transmission; to perform the blanking operation, the one or more processors are configured to cause the UE to perform the blanking operation on the signals received using the second RAT radio when an IMD of the UL transmission is greater than or equal to the overall IMD threshold; and to refrain from performing the blanking operation, the one or more processors are configured to cause the UE to refrain from performing the blanking operation on the signals received using the second RAT radio when the IMD of the UL transmission is less than the overall IMD threshold.
12. 12. The UE of claim 11, wherein the overall IMD threshold associated with the UL transmission is based on at least one of an antenna isolation between: a first antenna associated with the first RAT radio for the UL transmission and a second antenna associated with the second RAT radio for receiving the signals during the operating session; or a third antenna associated with the first RAT radio for the UL transmission and the second antenna associated with the second RAT radio.
13. 13. The UE of claim 12, wherein to refrain from performing the blanking operation, the one or more processors are further configured to cause the UE to refrain from performing the blanking operation on the signals received using the second RAT radio when the antenna isolation is greater than an antenna isolation threshold.
14. 14. The UE of claim 12, wherein the antenna isolation is a measured antenna isolation stored in the one or more memories of the UE.
15. 15. The UE of claim 12, wherein: the first antenna is a primary component carrier (PCC) antenna of the UE for transmitting a PCC; and the third antenna is a secondary component carrier (SCC) antenna of the UE for transmitting an SCC.
16. 16. The UE of claim 15, wherein the one or more processors are further configured to cause the UE to: determine a first IMD value for the PCC antenna of the UE based on: an IMD of the PCC at a maximum transmit power of the PCC, a power order associated with the PCC, the maximum transmit power of the PCC, a power order associated with the SCC of the UE, a maximum transmit power of the SCC, and an antenna isolation between the PCC antenna and an SCC antenna; and determine a second IMD value for the SCC antenna of the UE based on: the IMD of the PCC at the maximum transmit power of the PCC, the power order associated with the PCC, the maximum transmit power of the PCC, the power order associated with the SCC, the maximum transmit power of the SCC, and the antenna isolation between the PCC antenna and the SCC antenna.
17. 17. The UE of claim 16, wherein the one or more processors are further configured to cause the UE to: determine a first IMD threshold based on: the first IMD value, the antenna isolation between the PCC antenna and the SCC antenna, and the antenna isolation between the PCC antenna and the second antenna associated with the second RAT radio; and determine a second IMD threshold based on: the second IMD value, the antenna isolation between the PCC antenna and the SCC antenna, and the antenna isolation between the SCC antenna and the second antenna associated with the second RAT radio.
18. 18. The UE of claim 17, wherein the one or more processors are further configured to cause the UE to determine the overall IMD threshold based on: the first IMD threshold, the second IMD threshold, and a noise threshold.
19. 19. The UE of claim 18, wherein the one or more processors are further configured to cause the UE to: detect a change in an automatic gain control (AGC) power associated with the UL transmission between time periods; and determine, in response to the detected change in the AGC power, an IMD value for the UL transmission based on: the power order associated with the PCC, a transmission power associated with the PCC, the power order associated with the SCC, and a transmission power associated with the SCC.
20. 20. The UE of claim 19, wherein: the one or more processors are further configured to cause the UE to compare the IMD value for the UL transmission to the overall IMD threshold; to perform the blanking operation, the one or more processors are configured to cause the UE to perform the blanking operation on the signals received using the second RAT radio during the operating session when the IMD value is greater than or equal to the overall IMD threshold; and to refrain from performing the blanking operation, the one or more processors are configured to cause the UE to refrain from performing the blanking operation on the signals received using the second RAT radio during the operating session when the IMD value is less than the overall IMD threshold.

Description

DYNAMIC GNSS BLANKING CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims benefit of and priority to Indian Application No. 202341043943, filed June 30, 2023, which is hereby assigned to the assignee hereof and hereby expressly incorporated by reference herein in its entirety as if fully set forth below and for all applicable purposes. BACKGROUND Field of the Disclosure [0002] Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for dynamic global navigation satellite system (GNSS) blanking. Description of Related Art [0003] Wireless communications systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, broadcasts, or other similar types of services. These wireless communications systems may employ multiple-access technologies capable of supporting communications with multiple users by sharing available wireless communications system resources with those users. [0004] Although wireless communications systems have made great technological advancements over many years, challenges still exist. For example, complex and dynamic environments can still attenuate or block signals between wireless transmitters and wireless receivers. Accordingly, there is a continuous desire to improve the technical performance of wireless communications systems, including, for example: improving speed and data carrying capacity of communications, improving efficiency of the use of shared communications mediums, reducing power used by transmitters and receivers while performing communications, improving reliability of wireless communications, avoiding redundant transmissions and/or receptions and related processing, improving the coverage area of wireless communications, increasing the number and types of devices that can access wireless communications systems, increasing the ability for different types of devices to intercommunicate, increasing the number and type of wireless communications mediums available for use, and the like. Consequently, there exists a desire for further improvements in wireless communications systems to overcome the aforementioned technical challenges and others. SUMMARY [0005] One aspect provides a method for wireless communication by a user equipment (UE). The method includes determining an uplink (UL) transmission to be sent via a first radio access technology (RAT) radio of the UE will occur during an operating session of a second RAT radio of the UE, performing a blanking operation on signals received using the second RAT radio during the operating session when one or more thresholds associated with the UL transmission are satisfied, and refraining from performing the blanking operation on the signals received using the second RAT radio during the operating session when the one or more thresholds associated with the UL transmission are not satisfied. [0006] Another aspect provides another method for wireless communication by the UE. The method includes determining an uplink (UL) transmission to be sent via a first radio access technology (RAT) radio of the UE will occur during an operating session of a second RAT radio of the UE and refraining from performing a blanking operation on signals received using the second RAT radio during the operating session when an antenna isolation, between a first antenna associated with the first RAT radio for the UL transmission and a second antenna associated with the second RAT radio for receiving the signals during the operating session, is greater than the threshold antenna isolation. [0007] Other aspects provide: an apparatus operable, configured, or otherwise adapted to perform any one or more of the aforementioned methods and/or those described elsewhere herein; a non-transitory, computer-readable media comprising instructions that, when executed by a processor of an apparatus, cause the apparatus to perform the aforementioned methods as well as those described elsewhere herein; a computer program product embodied on a computer-readable storage medium comprising code for performing the aforementioned methods as well as those described elsewhere herein; and/or an apparatus comprising means for performing the aforementioned methods as well as those described elsewhere herein. By way of example, an apparatus may comprise a processing system, a device with a processing system, or processing systems cooperating over one or more networks. [0008] The following description and the appended figures set forth certain features for purposes of illustration. BRIEF DESCRIPTION OF DRAWINGS [0009] The appended figures depict certain features of the various aspects described herein and are not to be considered limiting of the scope of this disclosure. [0010] FIG. 1 depicts an example wireless communications network. [0011] FIG. 2 depicts an example disaggregated base station architecture. [0012] FIG. 3A depicts aspects of an example base stati