Prosecution Insights
Last updated: August 30, 2026
Application No. 18/688,692

WIRELESS DEVICE LOCATION DETERMINATION ASSISTED BY ONE OR MORE MOBILE VEHICLES

Final Rejection §102
Filed
Mar 01, 2024
Priority
Sep 02, 2021 — nonprovisional of PCTEP2021074212
Examiner
HO, HUY C
Art Unit
2644
Tech Center
2600 — Communications
Assignee
Telefonaktiebolaget LM Ericsson
OA Round
2 (Final)
78%
Grant Probability
Favorable
3-4
OA Rounds
7m
Est. Remaining
98%
With Interview

Examiner Intelligence

Grants 78% — above average
78%
Career Allowance Rate
619 granted / 799 resolved
+15.5% vs TC avg
Strong +20% interview lift
Without
With
+20.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
24 currently pending
Career history
825
Total Applications
across all art units

Statute-Specific Performance

§101
5.9%
-34.1% vs TC avg
§103
55.2%
+15.2% vs TC avg
§102
30.7%
-9.3% vs TC avg
§112
2.6%
-37.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 799 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 . Response to Arguments Applicant’s arguments with respect to claim(s) 1, 31 and 41 have been considered but are moot because the claims have been amended with new limitations and features. Therefore, it necessitates a new ground of rejection as in the followings. 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. Claim(s) 1-2, 4, 6-10, 13-14, 16-19, 24, 27, 29-31 and 41 is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Liu et al. (Pub. No. US 2004/0029558). Regarding claim 1. (Currently Amended) Liu teaches a method performed in a wireless communication system for positioning a wireless device connected to a respective operator network (Liu, the Abstract), the method comprising: receiving a message indicating that the wireless device's position needs to be determined (Liu, Fig. 1, pp [40]: a target device TD 10 is a wireless device whose location is to be determined); associating a vehicle with the operator network to which the wireless device, device is connected (Liu, Fig. 1, pp [40]: the TD is operating in frequency hopping mode, phone number, and/or electrical serial number (ESN), can be made available to the MDS 30A, 30B from a database installed within or connected to the PSAP, from the wireless network which is connected to the PSAP, and/or from the air interface of the wireless communication system, the MDS 30A, 30B are Emergency response vehicles equipped with Movable Detection Station such as police cars, ambulances, and/or fire trucks); and after receiving the message, triggering a network positioning procedure involving the wireless device, the vehicle, and the operator network (Liu, Fig. 1, pp [40], wherein the triggered positioning procedure comprises: at least a first fixed access point of the operator network transmitting a first positioning signal for the wireless device to measure (Liu, Fig. 1, pp [40]: the TD transmits position signals with base stations 20A and 20B); triggering the vehicle to transmit a second positioning signal for the wireless device to measure (Liu, Fig. 1, pp [40]: the vehicle 30A communicates and exchanges location/position signals 50A’ and 50A with the TD); and determining a position of the wireless device based on one or more measurements of the positioning signals based on: i) a first measurement related to the first positioning signal transmitted by the first fixed access point (Liu, Fig. 1, pp [40]: the TD transmits position signals with base stations 20A and 20B); and ii) a second measurement related to the second positioning signal transmitted by the vehicle (Liu, Fig. 1, pp [40]: the vehicle 30A communicates and exchanges location/position signals 50A’ and 50A with the TD). Regarding claim 31. (Currently Amended) Liu teaches a vehicle arranged to partake in positioning a wireless device (Liu, the Abstract, Fig. 1), wherein the vehicle comprises: a motor (Liu, Fig. 1); and processing circuitry (Liu, Fig. 9), wherein the vehicle is operable to perform a method comprising: associating with the operator network of the to which the wireless device is connected (Liu, Fig. 1, pp [40]: the TD is operating in frequency hopping mode, phone number, and/or electrical serial number (ESN), can be made available to the MDS 30A, 30B from a database installed within or connected to the PSAP, from the wireless network which is connected to the PSAP, and/or from the air interface of the wireless communication system, the MDS 30A, 30B are Emergency response vehicles equipped with Movable Detection Station such as police cars, ambulances, and/or fire trucks), and to; and partaking in a network positioning procedure involving the wireless device, the vehicle, and the operator network (Liu, Fig. 1, pp [40]: the vehicle 30A communicates and exchanges location/position signals 50A’ and 50A with the TD), wherein partaking in the network positioning procedure comprises the vehicle transmitting a positioning signal for the wireless device to measure (Liu, Fig. 1, pp [40]: the vehicle 30A communicates and exchanges location/position signals 50A’ and 50A with the TD). Regarding claim 41. (Currently Amended) Liu teaches a network node arranged to perform a network positioning procedure in a wireless communication system for positioning a wireless device connected to a respective operator network, assisted in part by a vehicle (Liu, the Abstract), wherein the network node is arranged to comprises: memory (Liu, Fig. 9); and processing circuitry (Liu, Fig. 9), wherein the network node is operable to perform a method comprising: receiving a message indicating that the wireless device's position needs to be determined (Liu, Fig. 1, pp [40]: a target device TD 10 is a wireless device whose location is to be determined); associating a vehicle with an operator network to which the wireless device is connected (Liu, Fig. 1, pp [40]: the TD is operating in frequency hopping mode, phone number, and/or electrical serial number (ESN), can be made available to the MDS 30A, 30B from a database installed within or connected to the PSAP, from the wireless network which is connected to the PSAP, and/or from the air interface of the wireless communication system, the MDS 30A, 30B are Emergency response vehicles equipped with Movable Detection Station such as police cars, ambulances, and/or fire trucks); and after receiving the message, triggering a positioning procedure involving the wireless device, the vehicle, and the operator network (Liu, Fig. 1, pp [40]: the vehicle 30A communicates and exchanges location/position signals 50A’ and 50A with the TD), wherein the triggered positioning procedure comprises: at least a first fixed access point of the operator network transmitting a first positioning signal for the wireless device to measure (Liu, Fig. 1, pp [40]: the TD transmits position signals with base stations 20A and 20B); triggering the vehicle to transmit a second positioning signal for the wireless device to measure (Liu, Fig. 1, pp [40]: the vehicle 30A communicates and exchanges location/position signals 50A’ and 50A with the TD); and determining a position of the wireless device based on: i) a first measurement related to the first positioning signal transmitted by the first fixed access point (Liu, Fig. 1, pp [40]: the TD transmits position signals with base stations 20A and 20B), and ii) a second measurement related to the second positioning signal transmitted by the vehicle (Liu, Fig. 1, pp [40]: the vehicle 30A communicates and exchanges location/position signals 50A’ and 50A with the TD). Regarding claim 2. (Currently Amended) Liu teaches the method of claim 1, wherein the method further comprises navigating the vehicle towards the determined position of the wireless device (Liu, Fig. 1, pp [40]: vehicle at position 30A’ moves to position 30A which is closer to the target device 10). Regarding claim 4. (Previously Presented) Liu teaches the method of claim 1, wherein the vehicle comprises an electronic subscriber identity module, eSIM, or integrated access backhaul mobile termination, IAB-MT, functionality, arranged to facilitate associating the vehicle with the operator network (Liu, Fig. 4, pp [46]; Fig. 8, pp 51]). Regarding claim 6. (Currently Amended) The method of claim 1, wherein the method further comprises obtaining an estimated coarse location associated with a position of the wireless device, and navigating the vehicle to the coarse location prior to triggering the network positioning procedure (Liu, pp [40]: estimating location of the target device). Regarding claim 7. (Previously Presented) Liu teaches the method of claim 1, wherein the associating comprises emulating a radio base station of the operator network by the vehicle (Liu, Figs. 4 and 5, pp [46]-[47]). Regarding claim 8. (Previously Presented) The method of claim 1, wherein the associating comprises executing an authorization procedure involving the vehicle and an authorization entity comprised in the operator network, resulting in a granted authorization or a refused authorization (Liu, pp [40]: the transmitted signal by the TD 10, such as the transmitting frequency of the TD, the transmitting slot position of the TD when the TD is operating in TDMA (Time Division Multiple Access) mode, the spreading code information of the TD when the TD is operating in CDMA (Code Division Multiple Access) mode or DSSS (Direct Sequence Spread Spectrum) mode, the frequency hoping information when the TD is operating in frequency hopping mode, phone number, and/or electrical serial number (ESN), can be made available to the MDS 30A, 30B from a database installed within or connected to the PSAP, from the wireless network which is connected to the PSAP, and/or from the air interface of the wireless communication system. Using said parameters or properties, the receivers of MDS 30A, 30B would attempt to acquire and receive the transmitted signal 50A, 50B from the TD 10, while driving en route to the target location). Regarding claim 9. (Previously Presented) Liu teaches the method of claim 8, wherein the authorization procedure comprises verification of a purpose of an authorization request, wherein the result of the authorization procedure depends on the purpose of the verification request (Liu, pp [40]: the transmitted signal by the TD 10, such as the transmitting frequency of the TD, the transmitting slot position of the TD when the TD is operating in TDMA (Time Division Multiple Access) mode, the spreading code information of the TD when the TD is operating in CDMA (Code Division Multiple Access) mode or DSSS (Direct Sequence Spread Spectrum) mode, the frequency hoping information when the TD is operating in frequency hopping mode, phone number, and/or electrical serial number (ESN), can be made available to the MDS 30A, 30B from a database installed within or connected to the PSAP, from the wireless network which is connected to the PSAP, and/or from the air interface of the wireless communication system. Using said parameters or properties, the receivers of MDS 30A, 30B would attempt to acquire and receive the transmitted signal 50A, 50B from the TD 10, while driving en route to the target location). Regarding claim 10. (Previously Presented) Liu teaches the method of claim 8, wherein the granted authorization is valid for the duration of a pre-determined or specified time period, the granted authorization is valid within a specified geographical area, and/or the granted authorization is valid within a specified network domain of the operator network (Liu, pp [40]: the transmitted signal by the TD 10, such as the transmitting frequency of the TD, the transmitting slot position of the TD when the TD is operating in TDMA (Time Division Multiple Access) mode, the spreading code information of the TD when the TD is operating in CDMA (Code Division Multiple Access) mode or DSSS (Direct Sequence Spread Spectrum) mode, the frequency hoping information when the TD is operating in frequency hopping mode, phone number, and/or electrical serial number (ESN), can be made available to the MDS 30A, 30B from a database installed within or connected to the PSAP, from the wireless network which is connected to the PSAP, and/or from the air interface of the wireless communication system. Using said parameters or properties, the receivers of MDS 30A, 30B would attempt to acquire and receive the transmitted signal 50A, 50B from the TD 10, while driving en route to the target location). Regarding claim 13. (Previously Presented) Liu teaches the method of claim 1, wherein the network positioning procedure comprises determining a desired location of the vehicle, and navigating the vehicle to the desired location, prior to triggering at least a part of the network positioning procedure (Liu, Fig. 1, pp [40]: vehicle at position 30A’ moves to position 30A which is closer to the target device 10). Regarding claim 14. (Previously Presented) Liu teaches the method of claim 13, wherein the desired location of the vehicle is determined based on a relative geometry of the one or more fixed access points of the operator network and on an estimated location area of the wireless device, and/or the desired location of the vehicle is determined based on a network operator input and/or based on position data from a database comprising previously determined desired locations (Liu, Fig. 1, pp [40]: vehicle at position 30A’ moves to position 30A which is closer to the target device 10). Regarding claim 16. (Previously Presented) The method of claim 1, where the positioning procedure comprises positioning the vehicle based on communication of a positioning signal between the vehicle and the one or more fixed access points of the operator network (Liu, Fig. 1, pp [40]; Fig. 4, pp [45]-[46]). Regarding claim 17. (Currently Amended) Liu teaches the method of claim 1, wherein the method further comprises establishing a direct radio link between the vehicle and the wireless device (Liu, Fig. 6, pp [48]: direct link 200). Regarding claim 18. (Previously Presented) Liu teaches the method of claim 1, wherein the network positioning procedure comprises determining a distance between the vehicle and the wireless device based on a positioning signal transmitted over the direct radio link between the vehicle and the wireless device(Liu, Fig. 6, pp [48]: distance determination based on link 200 between TD 10 and vehicle 30A). Regarding claim 19. (Previously Presented) Liu teaches the method of claim 1, wherein the wireless device and/or the vehicle is arranged to determine an angle of arrival and/or an angle of departure of a received and/or transmitted positioning signal, respectively, where the network positioning procedure comprises determining a bearing from the vehicle to the wireless device or vice versa, based on a positioning signal transmitted over the direct radio link between the vehicle and the wireless device (Liu, pp [52]-[54]). Regarding claim 24. (Previously Presented) Liu teaches the Liu teaches the method of claim 1, wherein the network positioning procedure comprises transmission of any of a sounding reference signal, SRS, a random access signal transmitted over a physical random access channel, PRACH, and/or a demodulation reference signal, DMRS of a third generation partnership, 3GPP, defined operator network (Liu, pp [40]-[42]). Regarding claim 27. (Previously Presented) Liu teaches the method of claim 1, wherein the network positioning procedure comprises positioning the vehicle with respect to a coordinate system prior to triggering the network positioning procedure involving the operator network (Liu, pp [48]). Regarding claim 29. (Previously Presented) Liu teaches the method of claim 1, wherein determining a position of the wireless device based on one or more measurements comprises determining the position at least partly based on any of: time of flight of the positioning signal, angle of arrival of the positioning signal, angle of departure of the positioning signals, and a received signal power of the positioning signal (Liu, pp [52]-[54]). Regarding claim 30. (Previously Presented) Liu teaches the method of claim 1, wherein determining the position of the wireless device based on the one or more measurements of the positioning signals comprises aligning the network positioning procedure with a movement strategy of the vehicle (Liu, pp [51]-[56]). Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to HUY C HO whose telephone number is (571)270-1108. The examiner can normally be reached M-F 8AM-5PM. 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, KATHY WANG-HURST can be reached at (571)270-5371. 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. /HUY C HO/Primary Examiner, Art Unit 2644
Read full office action

Prosecution Timeline

Mar 01, 2024
Application Filed
Apr 10, 2026
Non-Final Rejection mailed — §102
Jul 07, 2026
Response Filed
Aug 03, 2026
Final Rejection mailed — §102 (current)

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Prosecution Projections

3-4
Expected OA Rounds
78%
Grant Probability
98%
With Interview (+20.4%)
3y 1m (~7m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 799 resolved cases by this examiner. Grant probability derived from career allowance rate.

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