Prosecution Insights
Last updated: April 19, 2026
Application No. 18/559,990

TECHNIQUES FOR ENHANCED PHASE TRACKING REFERENCE SIGNAL OPERATION

Non-Final OA §102§103
Filed
Nov 09, 2023
Examiner
ABELSON, RONALD B
Art Unit
2476
Tech Center
2400 — Computer Networks
Assignee
Intel Corporation
OA Round
1 (Non-Final)
90%
Grant Probability
Favorable
1-2
OA Rounds
2y 7m
To Grant
89%
With Interview

Examiner Intelligence

Grants 90% — above average
90%
Career Allow Rate
1179 granted / 1307 resolved
+32.2% vs TC avg
Minimal -1% lift
Without
With
+-1.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
31 currently pending
Career history
1338
Total Applications
across all art units

Statute-Specific Performance

§101
1.5%
-38.5% vs TC avg
§103
58.1%
+18.1% vs TC avg
§102
25.3%
-14.7% vs TC avg
§112
7.2%
-32.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1307 resolved cases

Office Action

§102 §103
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 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)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claim(s) 25, 32 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Chen US 20200329487. Regarding claim 25, 32, Chen teaches one or more non-transitory computer-readable media (NTCRM) having instructions, stored thereon, that when executed by one or more processors configure a next generation Node B (gNB) to: encode, for transmission to a user equipment (UE), configuration information for transmission of a phase tracking reference signal (PTRS) with a plurality of PTRS ports, wherein the PTRS ports correspond to respective antenna panels of the UE that are capable of simultaneous uplink transmission; and receive the PTRS from the UE according to the configuration information ([0013] The network device configures different PTRS ports for different reference signal resource sets corresponding to different panels, [0047] In such a manner, the terminal may simultaneously detect at least two DCIs and schedule data transmission on different panels respectively, so that simultaneous uplink transmissions on different panels are supported). (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. Claim(s) 40 is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Liu WO 2022126148. Regarding claim 40, Liu teaches one or more non-transitory computer-readable media (NTCRM) having instructions, stored thereon, that when executed by one or more processors configure a user equipment (UE) to: receive configuration information for transmission of a sounding reference signal (SRS) with partial sounding and starting resource block (RB) hopping / (“frequency domain shift”, “frequency domain offset”; and encode the SRS for transmission based on the configuration information (a user equipment (UE) receives control information for a first sounding reference signal (SRS) resource. The control information indicates at least a first frequency resource in a carrier, a frequency-domain shift parameter, a PF value, and a frequency-domain offset value, abstract). Regarding claim 44, by definition the SRS must be periodic, semi-persistent, or aperiodic. Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim(s) 26, 33 is/are rejected under 35 U.S.C. 103 as being unpatentable over Chen as applied to claims 25, 32 above, and further in view of Liu US 20230397197. Regarding claims 26 and 33, configure the gNB to encode, for transmission to the UE, sounding reference signal (SRS) configuration information for codebook-based or non-codebook-based uplink transmission, wherein the SRS configuration information includes multiple SRS resource sets that correspond to respective antenna panels of the UE or a single SRS resource set that corresponds to two or more of the antenna panels. Liu teaches configure the gNB to encode, for transmission to the UE, sounding reference signal (SRS) configuration information for codebook-based or non-codebook-based uplink transmission, wherein the SRS configuration information includes multiple SRS resource sets that correspond to respective antenna panels of the UE or a single SRS resource set that corresponds to two or more of the antenna panels ([0005-0008]). Therefore it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, to modify the system of Chen by configure the gNB to encode, for transmission to the UE, sounding reference signal (SRS) configuration information for codebook-based or non-codebook-based uplink transmission, wherein the SRS configuration information includes multiple SRS resource sets that correspond to respective antenna panels of the UE or a single SRS resource set that corresponds to two or more of the antenna panels, as shown by Liu. This modification would benefit the system by providing a proven, reliable method for SRS configuration. Claim(s) 27 and 34 is/are rejected under 35 U.S.C. 103 as being unpatentable over Chen as applied to claims 25 and 32 above, and further in view of Choi US 20230081552. Regarding claim 27, 34, Chen is silent on configure the gNB to encode a downlink control information (DCI) for transmission to the UE to schedule a physical uplink shared channel (PUSCH), wherein the DCI indicates sounding reference signal (SRS) resource indicators (SRIs) that correspond to respective antenna panels of the UE, and wherein the DCI further indicates one or multiple transmission precoding matrix indicators (TPMI) for the PUSCH. Choi teaches configure the gNB to encode a downlink control information (DCI) for transmission to the UE to schedule a physical uplink shared channel (PUSCH), wherein the DCI indicates sounding reference signal (SRS) resource indicators (SRIs) that correspond to respective antenna panels of the UE, and wherein the DCI further indicates one or multiple transmission precoding matrix indicators (TPMI) for the PUSCH ([0073, 0140]). Therefore it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, to modify the system of Chen by configure the gNB to encode a downlink control information (DCI) for transmission to the UE to schedule a physical uplink shared channel (PUSCH), wherein the DCI indicates sounding reference signal (SRS) resource indicators (SRIs) that correspond to respective antenna panels of the UE, and wherein the DCI further indicates one or multiple transmission precoding matrix indicators (TPMI) for the PUSCH, as shown by Choi. This modification would benefit the system by providing a proven, reliable method for configuring the PUSCH. Claim(s) 28, 36 is/are rejected under 35 U.S.C. 103 as being unpatentable over Chen as applied to claims 25, 32 above, and further in view of Hao US 20230318759. Regarding claims 28, 36 Chen is silent on each of the PTRS ports is associated with a subset of physical uplink shared channel (PUSCH) ports. Hao teaches each of the PTRS ports is associated with a subset of physical uplink shared channel (PUSCH) ports ([0099]). Therefore it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, to modify the system of Chen by each of the PTRS ports is associated with a subset of physical uplink shared channel (PUSCH) ports, as shown by Hao. This modification would benefit the system by informing the UE on which ports to use for the PUSCH. Claim(s) 29, 37 is/are rejected under 35 U.S.C. 103 as being unpatentable over Chen as applied to claims 25, 32 above, and further in view of Yoo US 20190052433. Regarding claim 29, 37 Chen is silent on configure the gNB to encode a downlink control information (DCI) for transmission to the UE to schedule the uplink transmission, wherein the DCI indicates PTRS- demodulation reference signal (DMRS) associations for the respective PTRS ports. Yoo teaches configure the gNB to encode a downlink control information (DCI) for transmission to the UE to schedule the uplink transmission, wherein the DCI indicates PTRS- demodulation reference signal (DMRS) associations for the respective PTRS ports ([0052]). Therefore it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, to modify the system of Chen by configure the gNB to encode a downlink control information (DCI) for transmission to the UE to schedule the uplink transmission, wherein the DCI indicates PTRS- demodulation reference signal (DMRS) associations for the respective PTRS ports, as shown by Yoo. This modification would benefit the system by informing the UE on how to use the PTRS ports. Claim(s) 30, 38 is/are rejected under 35 U.S.C. 103 as being unpatentable over the combination Chen and Yoo as applied to claims 29, 37 above, and further in view of Sun US 20230362927. Regarding claim 30, the combination is silent on the DCI includes a PTRS- DMRS field with 3 or 4 bits to indicate the PTRS-DMRS associations, or separate PTRS-DMRS fields to indicate the respective PTRS-DMRS associations. Sun teaches the DCI includes a PTRS- DMRS field with 3 or 4 bits to indicate the PTRS-DMRS associations, or separate PTRS-DMRS fields to indicate the respective PTRS-DMRS associations ([0224]). Therefore it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, to modify the system of the combination by the DCI includes a PTRS- DMRS field with 3 or 4 bits to indicate the PTRS-DMRS associations, or separate PTRS-DMRS fields to indicate the respective PTRS-DMRS associations, as shown by Sun. This modification would benefit the system by using an optimal number of bits for PTRS-DMRS associations. Claim(s) 35 is/are rejected under 35 U.S.C. 103 as being unpatentable over the combination as applied to claim 34 above, and further in view of Choi US 20230081552. Regarding claim 35, the combination is silent on the DCI further indicates one or multiple transmission precoding matrix indicators (TPMI) for the PUSCH. Choi teaches the DCI further indicates one or multiple transmission precoding matrix indicators (TPMI) for the PUSCH ([0073, 0140]). Therefore it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, to modify the system of the combination by the DCI further indicates one or multiple transmission precoding matrix indicators (TPMI) for the PUSCH, as shown by Choi. This modification would benefit the system by informing the UE of the association between the TPMI and PUSCH. Allowable Subject Matter Claims 31, 39, and 41-43 objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to RONALD B ABELSON whose telephone number is (571)272-3165. The examiner can normally be reached M-F 8:00-4:30. 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, Ayaz Sheikh can be reached at 571-272-3795. 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. /RONALD B ABELSON/ Primary Examiner, Art Unit 2476
Read full office action

Prosecution Timeline

Nov 09, 2023
Application Filed
Feb 08, 2026
Non-Final Rejection — §102, §103 (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
90%
Grant Probability
89%
With Interview (-1.0%)
2y 7m
Median Time to Grant
Low
PTA Risk
Based on 1307 resolved cases by this examiner. Grant probability derived from career allow rate.

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