Prosecution Insights
Last updated: October 23, 2026
Application No. 18/724,384

TRANSMISSION METHOD FOR PHYSICAL RANDOM ACCESS CHANNEL (PRACH), COMMUNICATION APPARATUS, AND STORAGE MEDIUM

Final Rejection §102
Filed
Jun 26, 2024
Priority
Dec 28, 2021 — nonprovisional of PCTCN2021142187
Examiner
AJIBADE AKONAI, OLUMIDE
Art Unit
3648
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Beijing Xiaomi Mobile Software Co., Ltd.
OA Round
2 (Final)
84%
Grant Probability
Favorable
3-4
OA Rounds
9m
Est. Remaining
94%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allowance Rate
1017 granted / 1203 resolved
+32.5% vs TC avg
Moderate +9% lift
Without
With
+9.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
25 currently pending
Career history
1235
Total Applications
across all art units

Statute-Specific Performance

§101
6.8%
-33.2% vs TC avg
§103
46.9%
+6.9% vs TC avg
§102
24.8%
-15.2% vs TC avg
§112
14.6%
-25.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1203 resolved cases

Office Action

§102
CTNF 18/724,384 CTNF 80838 DETAILED ACTION Notice of Pre-AIA or AIA Status 07-03-aia AIA 15-10-aia 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 07-06 AIA 15-10-15 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. 07-07-aia AIA 07-07 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 – 07-08-aia AIA (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. 07-12-aia AIA (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. 07-15 AIA Claim s 1-17 and 21-23 are rejected under 35 U.S.C. 102( a)(1 ) as being anticipated by MolavianJazi et al US 20210058971 ( hereinafter MolavianJazi ) . Regarding claim 1 , MolavianJazi discloses a transmission method for a physical random access channel (PRACH), applied to a terminal device (UE 116, see figs. 1 and 3, [0041]) and comprising: determining a number of repetitions of the PRACH (operation 2010, 2110, see figs. 20 and 21, [0253], [0257]); and executing PRACH transmission according to the number of repetitions (operation 2020, 2120, see figs. 20 and 21, [0254], [0258]). Regarding claim 2 as applied to claim 1, MolavianJazi further discloses wherein the determining a number of repetitions of the PRACH comprises: determining the number of repetitions of the PRACH according to a protocol provision (see figs. 20 and 21, [0253]-[0255]). Regarding claim 3 as applied to claim 1, MolavianJazi further discloses wherein the determining a number of repetitions of the PRACH comprises: receiving indication information from a network-side device (BS configures/sends UE with number of PRACH repetitions, operation 2010, 2110, see [0147], [0220], [0253], [0257]); and determining the number of repetitions of the PRACH according to the indication information (operation 2010, 2110, see figs. 20 and 21, [0253], [0257]). Regarding claim 4 as applied to claim 3, MolavianJazi further discloses wherein the determining the number of repetitions of the PRACH according to the indication information comprises: determining the number of repetitions of the PRACH as a preset value, wherein the indication information indicates that the number of repetitions of the PRACH is the preset value (see figs. 20 and 21, [0253]-[0255]). Regarding claim 5 as applied to claim 3, MolavianJazi further discloses wherein the determining the number of repetitions of the PRACH according to the indication information comprises: determining a candidate value set (BS configures/sends UE with number of PRACH repetitions, operation 2010, 2110, see figs. 20 and 21, [0147], [0220], [0253], [0257]); and selecting, according to the indication information, the number of repetitions from the candidate value set (BS configures/sends UE with number of PRACH repetitions, operation 2010, 2110, see figs. 20 and 21, [0147], [0220], [0253], [0257]). Regarding claim 6 as applied to claim 3, MolavianJazi further discloses wherein the determining the number of repetitions of the PRACH according to the indication information comprises: obtaining a random access configuration table comprising information of number of repetitions (PRACH index, see [0090]-[0091]); and obtaining, according to an index value indicated by the indication information, the number of repetitions from the random access configuration table (see [0090]-[0091]). Regarding claim 7 as applied to claim 3, MolavianJazi further discloses wherein the indication information is carried by a master information block (MIB) of a physical broadcast channel (PBCH), a system information block (SIB1), or an additional payload of the PBCH (see [0085], [0216], [0253]). Regarding claim 8 as applied to claim 7, MolavianJazi further discloses wherein the indication information is carried in an existing bit field of the MIB or the SIB1, or carried in an extended bit field of the MIB or the SIB1 (see [0085], [0216], [0253]). Regarding claim 9 as applied to claim 1, MolavianJazi further discloses wherein the determining a number of repetitions of the PRACH comprises: obtaining synchronous signal block (SSB) information selected by the terminal device, wherein each piece of SSB information corresponds to information of number of repetitions (see [0085]-[0087]); and obtaining information of number of repetitions corresponding to the selected SSB information as the number of repetitions of the PRACH (see [0085]-[0088]). Regarding claim 10 as applied to claim 1, MolavianJazi further discloses wherein the determining a number of repetitions of the PRACH comprises: obtaining a preamble of the terminal device, wherein each of preambles corresponds to information of number of repetitions (see [0085]-[0087]); and obtaining information of number of repetitions corresponding to the preamble as the number of repetitions of the PRACH (see [0085]-[0088]). Regarding claim 11 as applied to claim 1, MolavianJazi further discloses wherein the determining a number of repetitions of the PRACH comprises: obtaining a random access occasion (RO) of the terminal device; wherein each of ROs corresponds to information of number of repetitions (see [0088]-[0089], [0096]); and obtaining information of number of repetitions corresponding to the RO as the number of repetitions of the PRACH (see [0088]-[0089], [0096]). Regarding claim 12 , MolavianJazi et al discloses a transmission method for a physical random access channel (PRACH), applied to a network-side device (BS, see figs. 1 and 2, [0040]) and comprising: instructing a number of repetitions of the PRACH to a terminal device (BS configures/sends UE with number of PRACH repetitions, operation 2010, 2110, see [0147], [0220], [0253], [0257]); and receiving data of PRACH transmission executed by the terminal device (UE 116, see figs. 1 and 3, [0041]) according to the number of repetitions (operation 2020, 2120, see figs. 20 and 21, [0254], [0258]). Regarding claim 13 as applied to claim 12, MolavianJazi et al further discloses wherein the instructing a number of repetitions of the PRACH to a terminal device comprises: sending indication information to the terminal device, so to indicate, according to the indication information, the number of repetitions of the PRACH for the terminal device (BS configures/sends UE with number of PRACH repetitions, operation 2010, 2110, see [0147], [0220], [0253], [0257]). Regarding claim 14 as applied to claim 13, MolavianJazi et al further discloses wherein the sending indication information to the terminal device, so to indicate, according to the indication information, the number of repetitions of the PRACH for the terminal device comprises: sending the indication information to the terminal device, so to indicate, according to a preset value indicated by the indication information, that the number of repetitions of the PRACH is the preset value (BS configures/sends UE with number of PRACH repetitions, operation 2010, 2110, see figs. 20 and 21, [0147], [0220], [0253], [0257]). Regarding claim 15 as applied to claim 13, MolavianJazi et al further discloses wherein the sending indication information to the terminal device, so to indicate, according to the indication information, the number of repetitions of the PRACH for the terminal device comprises: sending the indication information to the terminal device, so to enable selecting, according to the indication information, the number of repetitions from a candidate value set (BS configures/sends UE with number of PRACH repetitions, operation 2010, 2110, see figs. 20 and 21, [0147], [0220], [0253], [0257]). Regarding claim 16 as applied to claim 13, MolavianJazi et al further discloses wherein the sending indication information to the terminal device, so to indicate, according to the indication information, the number of repetitions of the PRACH for the terminal device comprises: sending the indication information indicating an index value to the terminal device, so to enable obtaining, according to the index value, the number of repetitions from a random access configuration table (PRACH index, see [0090]-[0091]). Regarding claim 17 as applied to claim 13, MolavianJazi et al further discloses wherein the indication information is carried by a master information block (MIB) of a physical broadcast channel (PBCH), a system information block (SIB1), or an additional payload of the PBCH; wherein the indication information is carried in an existing bit field of the MIB or the SIB1, or carried in an extended bit field of the MIB or the SIB1 (see [0085], [0216], [0253]). Regarding claim 21 , MolavianJazi et al discloses a communication apparatus (UE 116, see figs. 1 and 3, [0041]), comprising a processor and a memory (340, 360, see fig. 3, [0053]), wherein the memory stores a computer program, and the processor executes the computer program stored in the memory, to cause the apparatus to execute a transmission method for a physical random access channel (PRACH); wherein the method comprises: determining a number of repetitions of the PRACH (operation 2010, 2110, see figs. 20 and 21, [0253], [0257]); and executing PRACH transmission according to the number of repetitions (operation 2020, 2120, see figs. 20 and 21, [0254], [0258]). Regarding claim 22 , MolavianJazi discloses a communication apparatus (BS, see figs. 1 and 2, [0040]), comprising: a processor and a memory (225, 230, see fig. 2, [0045]); wherein the memory stores a computer program, and the processor executes the computer program stored in the memory, to cause the apparatus to execute the method of claim 12 (see rejection of claim 12 above). Regarding claim 23 , MolavianJazi discloses a non-transitory computer readable storage medium, configured to store instructions (340, 360, see fig. 3, [0010], [0053]), wherein when the instructions are executed, the method of claim 1 is implemented (see rejection of claim 1 above) . Conclusion 07-96 AIA The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Xiong et al 12,160,906 discloses a UE configured to receive, from a base station (BS), a synchronization signal and physical broadcasting channel (PBCH) block (SSB), receive, from the BS, information configuring a number of a plurality of physical random access channel (PRACH) occasions in a set, identify that the plurality of PRACH occasions are associated with a same index of the SSB, and transmit, to the BS, a PRACH with preamble repetitions on the plurality of PRACH occasions. Ma et al US 20240121830, discloses transmitting to at least a UE, an indication of a configuration. Park US 20210392699 and Cozzo et al US 20210360660, both disclose a base station indicating the number of PRACH repetitions through high layer signaling such as an RRC message, or downlink control information. Any inquiry concerning this communication or earlier communications from the examiner should be directed to OLUMIDE T AJIBADE AKONAI whose telephone number is (571)272-6496. The examiner can normally be reached Monday-Friday 8AM-4PM. 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, CHARLES N APPIAH can be reached at 571-272-7904. 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. /OLUMIDE AJIBADE AKONAI/Primary Examiner, Art Unit 3648 Application/Control Number: 18/724,384 Page 2 Art Unit: 3648 Application/Control Number: 18/724,384 Page 3 Art Unit: 3648 Application/Control Number: 18/724,384 Page 4 Art Unit: 3648 Application/Control Number: 18/724,384 Page 5 Art Unit: 3648 Application/Control Number: 18/724,384 Page 6 Art Unit: 3648 Application/Control Number: 18/724,384 Page 7 Art Unit: 3648 Application/Control Number: 18/724,384 Page 8 Art Unit: 3648 Application/Control Number: 18/724,384 Page 9 Art Unit: 3648 Application/Control Number: 18/724,384 Page 10 Art Unit: 3648
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Prosecution Timeline

Jun 26, 2024
Application Filed
May 08, 2026
Non-Final Rejection mailed — §102
Aug 07, 2026
Response Filed
Oct 19, 2026
Final Rejection mailed — §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

3-4
Expected OA Rounds
84%
Grant Probability
94%
With Interview (+9.0%)
3y 1m (~9m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1203 resolved cases by this examiner. Grant probability derived from career allowance rate.

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