Prosecution Insights
Last updated: October 26, 2026
Application No. 18/812,582

RANDOM ACCESS CHANNEL PROCEDURES IN SUBBAND FULL DUPLEX NETWORKS

Final Rejection §102
Filed
Aug 22, 2024
Examiner
COSME, NATASHA W
Art Unit
2429
Tech Center
2400 — Computer Networks
Assignee
Qualcomm Incorporated
OA Round
2 (Final)
80%
Grant Probability
Favorable
3-4
OA Rounds
11m
Est. Remaining
94%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allowance Rate
495 granted / 616 resolved
+22.4% vs TC avg
Moderate +14% lift
Without
With
+13.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
24 currently pending
Career history
651
Total Applications
across all art units

Statute-Specific Performance

§101
4.7%
-35.3% vs TC avg
§103
59.5%
+19.5% vs TC avg
§102
24.6%
-15.4% vs TC avg
§112
8.1%
-31.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 616 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 . Information Disclosure Statement The information disclosure statement (IDS) submitted on 1/21/2026 was filed in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being considered by the examiner. Claim Rejections - 35 USC § 102 3. 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. 4. 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. 5. Claim(s) 1-6,9-16,19, and 20 is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by WO 2024/147862 A1 by Abotabi et al. (provided by applicant, hereafter referred to as Abotabi). Regarding claim 1, Abotabi teaches An apparatus for wireless communication at a user equipment (UE), comprising: at least one memory comprising computer-executable instructions; and one or more processors configured to execute the computer-executable instructions (see at least pg. 4 ¶ [0024]; “Some aspects described herein relate to an apparatus for wireless communication at a user equipment (UE). The apparatus may include a memory and one or more processors coupled to the memory.”) and cause the apparatus to: receive configuration information indicating one or more slots including subband full duplex (SBFD) slots and half duplex (HD) slots (see at least pg. 39, ¶ [0136] (" (...) the UE 902 may receive, configuration information (...) The configuration information may be associated with a RACH transmission repetition scheme. The RACH transmission repetition scheme may include, for example, information associated with repetitions of RACH transmissions in an SBFD configuration. In some aspects, the configuration information may be indicative of a first quantity of RACH transmissions associated with a half-duplex slot type and a second quantity of RACH transmissions associated with a full-duplex slot type.' "); transmit, in a first slot (see at least pg. 6 ¶ [0030]; “The method may include transmitting, in a first valid RACH occasion of an uplink subband associated with a subband full-duplex configuration, a first RACH transmission of a plurality of RACH transmissions”), a random access channel (RACH) preamble associated with a RACH procedure (see at least pg. 32 ¶ [0107]; “As shown by reference number 704, the UE 120 may transmit a RAM, which may include a preamble (sometimes referred to as a random access preamble, a physical RACH (PRACH) preamble, or a RAM preamble)); determine, based on at least one rule, at least one second slot from the one or more slots to use for at least one subsequent transmission associated with the RACH procedure (see at least pg. 37 ¶ 0129]; “An SSB may be mapped to a RACH occasion in accordance with one-to-one mapping.”); and transmit the at least one subsequent transmission in the at least one second slot in accordance with the at least one rule (see at least pg. 37 ¶ [0130]; "In some cases, multiple RACH transmissions (e.g., Msg1 repetitions) can be transmitted in multiple RACH occasions. For example, as shown, a first RACH transmission (Msg1#0) can be transmitted in the first RACH occasion (RO#0), a second RACH transmission (Msg1#1) can be transmitted in the second RACH occasion (RO#1), a third RACH transmission (Msg1#2) can be transmitted in the third RACH occasion (RO#2), and a fourth RACH transmission (Msg1#3) can be transmitted in the fourth RACH occasion (RO#3)")). Regarding claim 2, Abotabi teaches the apparatus of claim 1. In addition, Abotabi teaches wherein the at least one subsequent transmission comprises at least one of: one or more RACH preamble retransmissions, or a physical uplink shared channel (PUSCH) transmission (pg. 37 ¶ [0130]; "In some cases, multiple RACH transmissions (e.g., Msg1 repetitions) can be transmitted in multiple RACH occasions. For example, as shown, a first RACH transmission (Msg1#0) can be transmitted in the first RACH occasion (RO#0), a second RACH transmission (Msg1#1) can be transmitted in the second RACH occasion (RO#1) (...) "). Regarding claim 3, Abotabi teaches the apparatus of claim 2. In addition, Abotabi teaches wherein the at least one rule dictates that: when the first slot is configured as an SBFD slot, the one or more RACH preamble retransmissions are to be transmitted in an SBFD slot; and when the first slot is configured as an HD slot, the one or more RACH preamble retransmissions are to be transmitted in an HD slot (see at least pg. 5, ¶ [0028]; "The method may include transmitting, in a half-duplex slot and in accordance with a RACH transmission repetition scheme, a first quantity of RACH transmissions. The method may include transmitting, in accordance with the RACH transmission repetition scheme and in a full-duplex slot associated with an SBFD configuration, a second quantity of RACH transmissions, the first quantity and the second quantity being based on a half-duplex slot type and a full-duplex slot type, respectively. "). Regarding claim 4, Abotabi teaches the apparatus of claim 3. In addition, Abotabi teaches wherein the at least one rule dictates that: when the first slot is configured as an SBFD slot, the PUSCH transmission are to be transmitted in an SBFD slot; and when the first slot is configured as an HD slot, the PUSCH transmission are to be transmitted in an HD slot (see at least pgs. 33-34, ¶ [0115]; "For example, the RAM preamble may include some or all contents of message 1 (e.g., a PRACH preamble), and the RAM payload may include some or all contents of message 3 (e.g., a UE identifier, uplink control information (UCI), and/or a PUSCH transmission) ") - in the view of (D1: page 5, par. [0028]) and disclosure above, the Examiner understands that a payload of the preamble may include some contents of msg3, including PUSCH transmissions). Regarding claim 5, Abotabi teaches the apparatus of claim 3. In addition, Abotabi teaches wherein the at least one rule dictates that: the PUSCH transmission may be transmitted in an SBFD slot or an HD slot independent of whether the first slot is configured as an SBFD slot or an HD slot (see at least pg. 37-38, ¶ [0132]; "Some aspects of the techniques and apparatuses described herein may provide a flexible multiple RACH transmission scheme utilizing half-duplex slots and full- duplex slots. For example, in some aspects, a network node may configure a UE with different quantities of RACH transmissions for each slot type. For example, in some aspects, the network node may transmit an indication of a quantity of RACH transmissions for half-duplex slots and a quantity of RACH transmissions for full- duplex slots. In some aspects, a quantity of RACH transmissions for full-duplex slots may be a function of a quantity of RACH transmissions for half-duplex slots. ") – in the view of (D1: page 33-34, par. [0115]) and disclosure above, the Examiner understands that the disclosure describes flexibility of RACH transmissions within HD and SBFD slots, meaning that a range of slots can be configured as HD and SBFD at the same time, allowing to transmit data independently whether slot is of HD or SBFD type). Regarding claim 6, Abotabi teaches the apparatus of claim 2. In addition, Abotabi teaches wherein the at least one rule dictates that the one or more RACH preamble retransmissions may be transmitted in an SBFD slot or an HD slot independent of whether the first slot is configured as an SBFD slot or an HD slot (see at least pg. 37-38, ¶ [0132]; "Some aspects of the techniques and apparatuses described herein may provide a flexible multiple RACH transmission scheme utilizing half-duplex slots and full- duplex slots. For example, in some aspects, a network node may configure a UE with different quantities of RACH transmissions for each slot type. For example, in some aspects, the network node may transmit an indication of a quantity of RACH transmissions for half-duplex slots and a quantity of RACH transmissions for full- duplex slots. In some aspects, a quantity of RACH transmissions for full-duplex slots may be a function of a quantity of RACH transmissions for half-duplex slots. ") – in the view of (D1: page 33-34, par. [0115]) and disclosure above, the Examiner understands that the disclosure describes flexibility of RACH transmissions within HD and SBFD slots, meaning that a range of slots can be configured as HD and SBFD at the same time, allowing to transmit data independently whether slot is of HD or SBFD type). Regarding claim 9, Abotabi teaches the apparatus of claim 1. In addition, Abotabi teaches wherein the one or more processors are further configured to cause the apparatus to: receive signaling indicating a subset of the one or more slots to consider as available for use for the at least one subsequent transmission (see at least pg. 39, ¶ [0136]). Regarding claim 10, Abotabi teaches the apparatus of claim 9. In addition, Abotabi teaches wherein the signaling is received after the UE transmits the RACH preamble (see at least Figs. 7A, 7B and pg. 39, ¶ [0136]). Regarding claim 11, Abotabi teaches An apparatus for wireless communication at a network entity (see at least Fig. 9 (904)), comprising: at least one memory comprising computer-executable instructions (see at least ¶ [0025]); and one or more processors (see at least ¶ [0025]) configured to execute the computer-executable instructions and cause the apparatus to: transmit configuration information indicating one or more slots including subband full duplex (SBFD) slots and half duplex (HD) slots (see at least pg. 39, ¶ [0136] (" (...) the UE 902 may receive, configuration information (...) The configuration information may be associated with a RACH transmission repetition scheme. The RACH transmission repetition scheme may include, for example, information associated with repetitions of RACH transmissions in an SBFD configuration. In some aspects, the configuration information may be indicative of a first quantity of RACH transmissions associated with a half-duplex slot type and a second quantity of RACH transmissions associated with a full-duplex slot type.' "); receive, in a first slot, a random access channel (RACH) preamble associated with a RACH procedure (see at least pg. 32 ¶ [0107]; “As shown by reference number 704, the UE 120 may transmit a RAM, which may include a preamble (sometimes referred to as a random access preamble, a physical RACH (PRACH) preamble, or a RAM preamble)); determine, based on at least one rule, at least one second slot from the one or more slots to monitor for at least one subsequent transmission associated with the RACH procedure (see at least pg. 37 ¶ 0129]; “An SSB may be mapped to a RACH occasion in accordance with one-to-one mapping.”); and receive the at least one subsequent transmission in the at least one second slot in accordance with the at least one rule (see at least pg. 37 ¶ [0130]; "In some cases, multiple RACH transmissions (e.g., Msg1 repetitions) can be transmitted in multiple RACH occasions. For example, as shown, a first RACH transmission (Msg1#0) can be transmitted in the first RACH occasion (RO#0), a second RACH transmission (Msg1#1) can be transmitted in the second RACH occasion (RO#1), a third RACH transmission (Msg1#2) can be transmitted in the third RACH occasion (RO#2), and a fourth RACH transmission (Msg1#3) can be transmitted in the fourth RACH occasion (RO#3)")). Regarding claim 12, Abotabi teaches the apparatus of claim 11. In addition, Abotabi teaches wherein the at least one subsequent transmission comprises at least one of: one or more RACH preamble retransmissions, or a physical uplink shared channel (PUSCH) transmission (pg. 37 ¶ [0130]; "In some cases, multiple RACH transmissions (e.g., Msg1 repetitions) can be transmitted in multiple RACH occasions. For example, as shown, a first RACH transmission (Msg1#0) can be transmitted in the first RACH occasion (RO#0), a second RACH transmission (Msg1#1) can be transmitted in the second RACH occasion (RO#1) (...) "). Regarding claim 13, Abotabi teaches the apparatus of claim 12. In addition, Abotabi teaches wherein the at least one rule dictates that: when the first slot is configured as an SBFD slot, the one or more RACH preamble retransmissions are to be transmitted in an SBFD slot; and when the first slot is configured as an HD slot, the one or more RACH preamble retransmissions are to be transmitted in an HD slot (see at least pg. 5, ¶ [0028]; "The method may include transmitting, in a half-duplex slot and in accordance with a RACH transmission repetition scheme, a first quantity of RACH transmissions. The method may include transmitting, in accordance with the RACH transmission repetition scheme and in a full-duplex slot associated with an SBFD configuration, a second quantity of RACH transmissions, the first quantity and the second quantity being based on a half-duplex slot type and a full-duplex slot type, respectively. "). Regarding claim 14, Abotabi teaches the apparatus of claim 13. In addition, Abotabi teaches wherein the at least one rule dictates that: when the first slot is configured as an SBFD slot, the PUSCH transmission are to be transmitted in an SBFD slot; and when the first slot is configured as an HD slot, the PUSCH transmission are to be transmitted in an HD slot (see at least pgs. 33-34, ¶ [0115]; "For example, the RAM preamble may include some or all contents of message 1 (e.g., a PRACH preamble), and the RAM payload may include some or all contents of message 3 (e.g., a UE identifier, uplink control information (UCI), and/or a PUSCH transmission) ") - in the view of (D1: page 5, par. [0028]) and disclosure above, the Examiner understands that a payload of the preamble may include some contents of msg3, including PUSCH transmissions). Regarding claim 15, Abotabi teaches the apparatus of claim 13. In addition, Abotabi teaches wherein the at least one rule dictates that: the PUSCH transmission may be transmitted in an SBFD slot or an HD slot independent of whether the first slot is configured as an SBFD slot or an HD slot (see at least pg. 37-38, ¶ [0132]; "Some aspects of the techniques and apparatuses described herein may provide a flexible multiple RACH transmission scheme utilizing half-duplex slots and full- duplex slots. For example, in some aspects, a network node may configure a UE with different quantities of RACH transmissions for each slot type. For example, in some aspects, the network node may transmit an indication of a quantity of RACH transmissions for half-duplex slots and a quantity of RACH transmissions for full- duplex slots. In some aspects, a quantity of RACH transmissions for full-duplex slots may be a function of a quantity of RACH transmissions for half-duplex slots. ") – in the view of (D1: page 33-34, par. [0115]) and disclosure above, the Examiner understands that the disclosure describes flexibility of RACH transmissions within HD and SBFD slots, meaning that a range of slots can be configured as HD and SBFD at the same time, allowing to transmit data independently whether slot is of HD or SBFD type). Regarding claim 16, Abotabi teaches the apparatus of claim 12. In addition, Abotabi teaches wherein the at least one rule dictates that the one or more RACH preamble retransmissions may be transmitted in an SBFD slot or an HD slot independent of whether the first slot is configured as an SBFD slot or an HD slot (see at least pg. 37-38, ¶ [0132]; "Some aspects of the techniques and apparatuses described herein may provide a flexible multiple RACH transmission scheme utilizing half-duplex slots and full- duplex slots. For example, in some aspects, a network node may configure a UE with different quantities of RACH transmissions for each slot type. For example, in some aspects, the network node may transmit an indication of a quantity of RACH transmissions for half-duplex slots and a quantity of RACH transmissions for full- duplex slots. In some aspects, a quantity of RACH transmissions for full-duplex slots may be a function of a quantity of RACH transmissions for half-duplex slots. ") – in the view of (D1: page 33-34, par. [0115]) and disclosure above, the Examiner understands that the disclosure describes flexibility of RACH transmissions within HD and SBFD slots, meaning that a range of slots can be configured as HD and SBFD at the same time, allowing to transmit data independently whether slot is of HD or SBFD type). Regarding claim 19, Abotabi teaches the apparatus of claim 11. In addition, Abotabi teaches wherein the one or more processors are further configured to cause the apparatus to: transmit signaling indicating a subset of the one or more slots to consider as available for use for the at least one subsequent transmission, wherein the signaling is transmitted after the network entity receives the RACH preamble (see at least pg. 39, ¶ [0136]). Regarding claim 20, Abotabi teaches A method for wireless communication at a user equipment (UE) (see at least Fig. 9 (902); UE), comprising: receiving configuration information indicating one or more slots including subband full duplex (SBFD) slots and half duplex (HD) slots (see at least pg. 39, ¶ [0136] (" (...) the UE 902 may receive, configuration information (...) The configuration information may be associated with a RACH transmission repetition scheme. The RACH transmission repetition scheme may include, for example, information associated with repetitions of RACH transmissions in an SBFD configuration. In some aspects, the configuration information may be indicative of a first quantity of RACH transmissions associated with a half-duplex slot type and a second quantity of RACH transmissions associated with a full-duplex slot type.' "); transmitting, in a first slot (see at least pg. 6 ¶ [0030]; “The method may include transmitting, in a first valid RACH occasion of an uplink subband associated with a subband full-duplex configuration, a first RACH transmission of a plurality of RACH transmissions”), a random access channel (RACH) preamble associated with a RACH procedure (see at least pg. 32 ¶ [0107]; “As shown by reference number 704, the UE 120 may transmit a RAM, which may include a preamble (sometimes referred to as a random access preamble, a physical RACH (PRACH) preamble, or a RAM preamble)); determining, based on at least one rule, at least one second slot from the one or more slots to use for at least one subsequent transmission associated with the RACH procedure (see at least pg. 37 ¶ 0129]; “An SSB may be mapped to a RACH occasion in accordance with one-to-one mapping.”); and transmitting the at least one subsequent transmission in the at least one second slot in accordance with the at least one rule (see at least pg. 37 ¶ [0130]; "In some cases, multiple RACH transmissions (e.g., Msg1 repetitions) can be transmitted in multiple RACH occasions. For example, as shown, a first RACH transmission (Msg1#0) can be transmitted in the first RACH occasion (RO#0), a second RACH transmission (Msg1#1) can be transmitted in the second RACH occasion (RO#1), a third RACH transmission (Msg1#2) can be transmitted in the third RACH occasion (RO#2), and a fourth RACH transmission (Msg1#3) can be transmitted in the fourth RACH occasion (RO#3)")). Allowable Subject Matter 6. Claims 7, 8, 17, and 18 are 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 7. Any inquiry concerning this communication or earlier communications from the examiner should be directed to NATASHA W COSME whose telephone number is (571)270-7225. The examiner can normally be reached M-F 7:30-4. 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, Ayman Abaza can be reached at 571-270-0422. 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. /NATASHA W COSME/Primary Examiner, Art Unit 2465
Read full office action

Prosecution Timeline

Aug 22, 2024
Application Filed
Jun 26, 2026
Non-Final Rejection mailed — §102
Aug 28, 2026
Response Filed
Oct 22, 2026
Final Rejection mailed — §102 (current)

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Prosecution Projections

3-4
Expected OA Rounds
80%
Grant Probability
94%
With Interview (+13.8%)
3y 1m (~11m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 616 resolved cases by this examiner. Grant probability derived from career allowance rate.

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