Prosecution Insights
Last updated: April 19, 2026
Application No. 18/241,088

ADAPTIVE QUANTIZATION PROCEDURES FOR CHANNEL TRACKING REFERENCE SIGNALS TO SUPPORT TRANSMISSION PRE-EQUALIZATION-BASED SYSTEMS

Non-Final OA §102
Filed
Aug 31, 2023
Examiner
O CONNOR, BRIAN T
Art Unit
2465
Tech Center
2400 — Computer Networks
Assignee
Qualcomm Incorporated
OA Round
1 (Non-Final)
85%
Grant Probability
Favorable
1-2
OA Rounds
2y 11m
To Grant
94%
With Interview

Examiner Intelligence

Grants 85% — above average
85%
Career Allow Rate
753 granted / 885 resolved
+27.1% vs TC avg
Moderate +8% lift
Without
With
+8.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
36 currently pending
Career history
921
Total Applications
across all art units

Statute-Specific Performance

§101
7.0%
-33.0% vs TC avg
§103
45.5%
+5.5% vs TC avg
§102
33.1%
-6.9% vs TC avg
§112
9.1%
-30.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 885 resolved cases

Office Action

§102
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 1-30 are rejected under 35 U.S.C. 102(a)(2) as being anticipated by JO et al. (US 2025/0007582 A1; hereafter JO). With respect to claim 1, JO discloses an apparatus (Decoder in FIG. 17) for wireless communication at a wireless device, comprising: at least one memory; and at least one processor coupled to the at least one memory and, based at least in part on information stored in the at least one memory, the at least one processor, individually or in any combination, is configured to: receive control signaling from a user equipment (UE) indicating one or more quantization scheme parameters (S1710, S1720, S1730, S1740 in FIG. 17); measure a downlink reference signal (paragraph [0102] and [0103]) from the UE based on the one or more quantization scheme parameters (S1710, S1720, S1730, S1740 in FIG. 17); report, to the UE, quantized sampling information based on measurement of the downlink reference signal from the UE (S1710, S1720, S1730, S1740 in FIG. 17); and receive one or more equalized data transmissions from the UE after providing the quantized sampling information to the UE (S1710, S1720, S1730, S1740 in FIG. 17). With respect to claim 2, JO further discloses 2. The apparatus of claim 1, wherein the one or more equalized data transmissions are equalized based on the quantized sampling information provided to the UE (FIG. 13; paragraph [0172]). With respect to claim 3, JO further discloses 3. The apparatus of claim 1, wherein the one or more quantization scheme parameters include at least one of a downlink reference signal allocation (paragraph [0102] and [0103]) or a downlink reference signal density in a frequency domain, and wherein the at least one processor is further configured to: measure the downlink reference signal (paragraph [0102] and [0103]) based on at least one of the downlink reference signal allocation or the downlink reference signal density. With respect to claim 4, JO further discloses 4. The apparatus of claim 1, wherein the one or more quantization scheme parameters include an uplink resource size for reporting the quantized sampling information, and wherein the at least one processor is further configured to: report the quantized sampling information in an uplink message having the uplink resource size (FIG. 13; paragraph [0172]). With respect to claim 5, JO further discloses 5. The apparatus of claim 1, wherein the one or more quantization scheme parameters include a downlink reference signal sample (paragraph [0102] and [0103]) and a report rate, and wherein the at least one processor is further configured to: report the quantized sampling information (FIG. 13; paragraph [0172]) to the UE based on the downlink reference signal sample and the report rate (paragraph [0148] and [0150] and [0151]). With respect to claim 6, JO further discloses 6. The apparatus of claim 1, wherein the one or more quantization scheme parameters include a quantization scheme (FIG. 13; paragraph [0172]). With respect to claim 7, JO further discloses 7. The apparatus of claim 6, wherein the quantization scheme is a differential quantization scheme or a non-differential quantization scheme (FIG. 13; FIG. 15; paragraph [0172]). With respect to claim 8, JO further discloses 8. The apparatus of claim 1, wherein the one or more quantization scheme parameters indicate resources in at least one of time and frequency for the downlink reference signal and for an uplink message to carry the report of the quantized sampling information (FIG. 13; paragraph [0172]). With respect to claim 9, JO further discloses 9. The apparatus of claim 1, wherein the at least one processor is further configured to: receive, from the UE, an update of the one or more quantization scheme parameters; and adjust the measurement of the downlink reference signal or the report of the quantized sampling information based on the update of the one or more quantization scheme parameters (FIG. 13; paragraph [0172]). With respect to claim 10, JO further discloses 10. The apparatus of claim 1, wherein the control signaling includes an index to a defined or previously configured configuration that includes the one or more quantization scheme parameters (FIG. 13; paragraph [0172]). With respect to claim 11, JO further discloses 11. The apparatus of claim 1, wherein the control signaling includes at least one of a medium access control-control element (MAC-CE) (paragraph [0081]) or downlink control information (DCI). With respect to claim 12, JO further discloses 12. The apparatus of claim 1, wherein the one or more equalized data transmissions include extended reality (XR) data (paragraph [0074]). With respect to claim 13, JO further discloses 13. The apparatus of claim 12, wherein the at least one processor is further configured to: update a display at the wireless device based on the one or more equalized data transmissions (paragraph [0074]). With respect to claim 14, JO further discloses 14. The apparatus of claim 13, wherein the at least one processor is further configured to: provide sensor data to the UE for transmission to an XR service via a wireless network (paragraph [0074]), wherein the one or more equalized data transmissions are in response to the sensor data (paragraph [0074]). With respect to claim 15, JO further discloses 15. The apparatus of claim 1, further comprising a transceiver coupled to the at least one processor, the transceiver being configured to receive the control signaling from the UE, measure the downlink reference signal (paragraph [0102] and [0103]) from the UE, report the quantized sampling information (FIG. 13; paragraph [0172]), and receive the one or more equalized data transmissions from the UE. With respect to claim 16, JO discloses an apparatus (Encoder in FIG. 17) for wireless communication at a user equipment (UE), comprising: at least one memory; and at least one processor coupled to the at least one memory and, based at least in part on information stored in the at least one memory, the at least one processor, individually or in any combination, is configured to: transmit control signaling to a wireless device, the control signaling indicating one or more quantization scheme parameters (S1710, S1720, S1730, S1740 in FIG. 17); transmit a downlink reference signal (paragraph [0102] and [0103]) based on the one or more quantization scheme parameters (S1710, S1720, S1730, S1740 in FIG. 17); receive a report, from the wireless device, of quantized sampling information based on measurement of the downlink reference signal (S1710, S1720, S1730, S1740 in FIG. 17); and transmit one or more equalized data transmissions to the wireless device after receiving the quantized sampling information (S1710, S1720, S1730, S1740 in FIG. 17). With respect to claim 17, JO further discloses 17. The apparatus of claim 16, wherein the at least one processor is further configured to: equalize, based on the quantized sampling information received from the wireless device, one or more data transmissions to provide the one or more equalized data transmissions (FIG. 13; paragraph [0172]). With respect to claim 18, JO further discloses 18. The apparatus of claim 16, wherein the one or more quantization scheme parameters are based on at least one of a signal to noise ratio (SNR) or a channel characteristic (FIG. 13; paragraph [0172]). With respect to claim 19, JO further discloses 19. The apparatus of claim 16, wherein the one or more quantization scheme parameters include at least one of a downlink reference signal allocation (paragraph [0102] and [0103]) or a downlink reference signal density in a frequency domain, and wherein to transmit the downlink reference signal, the at least one processor is further configured to: transmit the downlink reference signal (paragraph [0102] and [0103]) based on at least one of the downlink reference signal allocation or the downlink reference signal density (FIG. 13; paragraph [0172]). With respect to claim 20, JO further discloses 20. The apparatus of claim 16, wherein the one or more quantization scheme parameters include an uplink resource size for reporting the quantized sampling information, wherein the report of the quantized sampling information is in an uplink message having the uplink resource size (FIG. 13; paragraph [0172]). With respect to claim 21, JO further discloses 21. The apparatus of claim 16, wherein the one or more quantization scheme parameters include a downlink reference signal sample and a report rate, wherein the report of the quantized sampling information (FIG. 13; paragraph [0172]) is based on the downlink reference signal sample and the report rate (paragraph [0148] and [0150] and [0151]). With respect to claim 22, JO further discloses 22. The apparatus of claim 16, wherein the one or more quantization scheme parameters include a quantization scheme (FIG. 13; paragraph [0172]). With respect to claim 23, JO further discloses 23. The apparatus of claim 22, wherein the quantization scheme is a differential quantization scheme or a non-differential quantization scheme (FIG. 13; FIG. 15; paragraph [0172]). With respect to claim 24, JO further discloses 24. The apparatus of claim 16, wherein the one or more quantization scheme parameters indicate resources in at least one of time and frequency for the downlink reference signal and for an uplink message to carry the report of the quantized sampling information (FIG. 13; paragraph [0172]). With respect to claim 25, JO further discloses 25. The apparatus of claim 16, wherein the at least one processor is further configured to: transmit, to the wireless device, an update of the one or more quantization scheme parameters based on the report; receive an additional report of the quantized sampling information based on the update of the one or more quantization scheme parameters; and adjust equalization for an additional data transmission based on the additional report of the quantized sampling information (FIG. 13; paragraph [0172]). With respect to claim 26, JO further discloses 26. The apparatus of claim 16, wherein the control signaling includes an index to a defined or previously configured configuration that includes the one or more quantization scheme parameters (FIG. 13; paragraph [0172]). With respect to claim 27, JO further discloses 27. The apparatus of claim 16, wherein the control signaling includes at least one of a medium access control-control element (MAC-CE) (paragraph [0081]) or downlink control information (DCI). With respect to claim 28, JO further discloses 28. The apparatus of claim 16, wherein the one or more equalized data transmissions include extended reality (XR) data (paragraph [0074]). With respect to claim 29, JO further discloses 29. The apparatus of claim 28, wherein the at least one processor is further configured to: receive sensor data from the wireless device; transmit the sensor data via wireless network an XR service (paragraph [0074]); receive data in response to the sensor data; and equalize the data, based on the report of the quantized sampling information, prior to transmitting the one or more equalized data transmissions to the wireless device (paragraph [0074]). With respect to claim 30, JO further discloses 30. The apparatus of claim 16, further comprising a transceiver coupled to the at least one processor, the transceiver being configured to transmit the control signaling to the wireless device, transmit the downlink reference signal (paragraph [0102] and [0103]) based on the one or more quantization scheme parameters, receive the report of the quantized sampling information, and transmit the one or more equalized data transmissions to the wireless device after receiving the quantized sampling information (FIG. 13; paragraph [0172]). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to Brian T O'Connor whose telephone number is (571)270-1081. The examiner can normally be reached Mon-Fri Flex 10am-6:30pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Gary Mui can be reached at 571-270-1420. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /BRIAN T O CONNOR/Primary Examiner, Art Unit 2465 January 3, 2026
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Prosecution Timeline

Aug 31, 2023
Application Filed
Jan 03, 2026
Non-Final Rejection — §102 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
85%
Grant Probability
94%
With Interview (+8.4%)
2y 11m
Median Time to Grant
Low
PTA Risk
Based on 885 resolved cases by this examiner. Grant probability derived from career allow rate.

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