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 .
Priority
Acknowledgment is made of applicant’s claim for foreign priority under 35
U.S.C.119 (a)-(d). The certified copy has been filed in parent Greece patent application No. GR 20210100388 filed on 06/15/2021. Receipt is acknowledged of certified copies of papers required by 37 CFR1.55.
Information Disclosure Statement
The information disclosure statement submitted on 10/27/2023, have been considered by the examiner and made of record in the application file.
Claim Rejections - 35 USC § 103
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 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.
The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows:
1. Determining the scope and contents of the prior art.
2. Ascertaining the differences between the prior art and the claims at issue.
3. Resolving the level of ordinary skill in the pertinent art.
4. Considering objective evidence present in the application indicating obviousness or non-obviousness.
This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention.
Claims 1-60 are rejected under U.S.C. 103 as being unpatentable by Baek et al. (US 12442883 B2, hereinafter Baek) in view of ZHU et al. (US 20230254799 A1, hereinafter ZHU).
Consider Claim 1, Baek discloses a method of wireless communication performed by a user equipment (UE), the method comprising:
receiving, from a serving base station, a first round-trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
sending, to the serving base station, a second RTT measurement signal; (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
sending, to at least one other UE, a third RTT measurement signal; and ( column 15 line 38-40 50-66, the transmitting UE may transmit some or all of the following information to the receiving UE through SCI. SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location (or distance/area) information about a target receiving UE).
Baek discloses the claimed invention listed above but fails to teach sending, to the serving base station or to a location server, an indication of a first delay between receiving the first RTT measurement signal and sending the second RTT measurement signal and an indication of a second delay between sending the second RTT measurement signal and sending the third RTT measurement signal.
However, ZHU teaches sending, to the serving base station or to a location server, an indication of a first delay between receiving the first RTT measurement signal and sending the second RTT measurement signal and an indication of a second delay between sending the second RTT measurement signal and sending the third RTT measurement signal (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Claim 2, Baek discloses the method of claim 1, wherein the first RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 62-64, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 3, Baek discloses the method of claim 1, wherein the second RTT measurement signal comprises sounding reference signal (SRS). (Column 18 line 28-33, when the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 4, Baek discloses the method of claim 1, wherein the third RTT measurement signal comprises a sidelink (SL) RTT measurement signal. (Column 31 line 47-53, network based UTDoA positioning and RTT positioning method in an NR-V2X system using distributed antennas may have the following advantages. The reference position measurement method of various vehicles using a distributed antenna group of a vehicle proposed).
Consider Claim 5, Baek discloses the method of claim 4, wherein the SL RTT measurement signal comprises a SL-PRS. (Column 3 line 64-67, a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS)).
Consider Claim 6, Baek discloses a method of wireless communication performed by a first user equipment (UE), the method comprising:
receiving, from a serving base station, a first round-trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
receiving, from a second UE, a second RTT measurement signal; and (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
sending an indication of a first delay between receiving the first RTT measurement signal and receiving the second RTT measurement signal (column 15 line 38-40 50-66, the transmitting UE may transmit some or all of the following information to the receiving UE through SCI. SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location (or distance/area) information about a target receiving UE).
Consider Claim 7, Baek discloses the method of claim 6, wherein the first RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (column 15 line 38-40 , SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 8, Baek discloses the method of claim 6, wherein the second RTT measurement signal comprises a sidelink (SL) RTT measurement signal. (Column 31 line 47-53, network based UTDoA positioning and RTT positioning method in an NR-V2X system using distributed antennas may have the following advantages. The reference position measurement method of various vehicles using a distributed antenna group of a vehicle proposed).
Consider Claim 9, Baek discloses the method of claim 8, wherein the SL RTT measurement signal comprises a SL-PRS. (Column 3 line 64-67, a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS)).
Consider Claim 10, Baek discloses the method of claim 6, wherein sending the indication of the first delay comprises sending the indication of the first delay to the serving base station, to the second UE, to a network node, or combinations thereof. (Column 14 line 8-13, after UE 2 triggers resource (re)selection, the resource selection window may start at T1≥0. The resource selection window may be limited by the remaining packet delay budget of UE 2. For example, in the operation of identifying the candidate resources in the resource selection window by UE 2, a specific resource may be indicated by the SCI received by UE 2 from UE 1. When the L1 SL RSRP measurement value for the specific resource exceeds an SL RSRP threshold, UE 2 may not determine the specific resource as a candidate resource).
Consider Claim 11, Baek discloses a method of wireless communication performed by a user equipment (UE), the method comprising:
sending, to a serving base station, a first round-trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
receiving, from the serving base station, a second RTT measurement signal; and (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
Baek discloses the claimed invention listed above but fails to teach sending, to the serving base station or a location server, an indication of a first delay between sending the first RTT measurement signal to the serving base station and receiving the second RTT measurement signal from the serving base station.
However, ZHU teaches sending, to the serving base station or a location server, an indication of a first delay between sending the first RTT measurement signal to the serving base station and receiving the second RTT measurement signal from the serving base station (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 12, Baek discloses the method of claim 11, wherein the first RTT measurement signal comprises a sounding reference signal (SRS). (Column 18 line 28-33, when the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 13, Baek discloses the method of claim 11, wherein the second RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI-RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 14, Baek discloses the method of claim 11, further comprising:
receiving, from the serving base station, an indication of a second delay between receiving the first RTT measurement signal by the serving base station and sending the second RTT measurement signal by the serving base station; (Column 27 line 22-29, which are measured using the response PRS and may finally measure a relative position of the neighbor UE. Here, the TRTD may be measured by the neighbor UE and may be defined as a difference between a time at which the request PRS is received and a time at which the response PRS is transmitted in response, and the RTTD may be measured by the positioning UE ).
calculating a propagation delay between the UE and the serving base station based at least in part on the first delay and the second delay; and (column 23 line 10-11, ΔΦ.sub.j may refer to an AoA offset between Φ.sub.j and Ø.sub.j and may be calculated using ΔΦ.sub.j=θ.sub.i−θ.sub.j as shown in FIG. 15).
calculating a distance between the UE and the serving base station based at least in part on the propagation delay between the UE and the serving base station. (Column 26 line 12-17, the positioning UE may measure a distance (or a relative distance) with the neighbor UE using the RTTD and TRTD value and may finally measure a relative position of the UE by applying a trigonometric theorem to a distance, AoA, and RSRP information).
Consider Claim 15, Baek discloses the method of claim 14, further comprising:
estimating a position of the UE based at least in part on the distance between the UE and the serving base station. (Column 27 line 17-21, the positioning UE may calculate or estimate distances with the neighbor UE and a direction in which the neighbor UE is positioned using a Tx-Rx time difference (TRTD), an AoA, and reference signal reception power (RSRP) information).
Consider Claim 16, Baek discloses the method of claim 14, further comprising:
sending, to a cooperating UE, a third RTT measurement signal; (column 15 line 38-40 50-66, the transmitting UE may transmit some or all of the following information to the receiving UE through SCI. SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location (or distance/area) information about a target receiving UE).
receiving, from the cooperating UE, an indication of a third delay between receiving, by the cooperating UE, the third RTT measurement signal sent by the UE, and receiving, by the cooperating UE, the second RTT measurement signal sent by the serving base station; and (Column 14 line 8-13, after UE 2 triggers resource (re)selection, the resource selection window may start at T1≥0. The resource selection window may be limited by the remaining packet delay budget of UE 2. For example, in the operation of identifying the candidate resources in the resource selection window by UE 2, a specific resource may be indicated by the SCI received by UE 2 from UE 1. When the L1 SL RSRP measurement value for the specific resource exceeds an SL RSRP threshold, UE 2 may not determine the specific resource as a candidate resource).
calculating a propagation delay between the UE and the cooperating UE based at least in part on the third delay. and (column 23 line 10-11, ΔΦ.sub.j may refer to an AoA offset between Φ.sub.j and Ø.sub.j and may be calculated using ΔΦ.sub.j=θ.sub.i−θ.sub.j as shown in FIG. 15).
Consider Claim 17, Baek discloses the method of claim 16, wherein the third RTT measurement signal comprises a sidelink (SL) RTT measurement signal. (Column 31 line 47-53, network based UTDoA positioning and RTT positioning method in an NR-V2X system using distributed antennas may have the following advantages. The reference position measurement method of various vehicles using a distributed antenna group of a vehicle proposed).
Consider Claim 18, Baek discloses the method of claim 17, wherein the SL RTT measurement signal comprises a SL-PRS. (Column 3 line 64-67, a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS)).
Consider Claim 19, Baek discloses the method of claim 16, wherein the third RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI-RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 20, Baek discloses the method of claim 16, further comprising:
calculating a distance between the UE and the cooperating UE based at least in part on the propagation delay between the UE and the cooperating UE. and (column 23 line 10-11, ΔΦ.sub.j may refer to an AoA offset between Φ.sub.j and Ø.sub.j and may be calculated using ΔΦ.sub.j=θ.sub.i−θ.sub.j as shown in FIG. 15).
Consider Claim 21, Baek discloses the method of claim 20, further comprising:
estimating a position of the UE based at least in part on the distance between the UE and the serving base station and the distance between the UE and the cooperating UE. (Column 27 line 17-21, the positioning UE may calculate or estimate distances with the neighbor UE and a direction in which the neighbor UE is positioned using a Tx-Rx time difference (TRTD), an AoA, and reference signal reception power (RSRP) information).
Consider Claim 22, Baek discloses a method of wireless communication performed by a base station (BS), the method comprising:
sending a first round-trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
receiving, from a first UE, a second RTT measurement signal; (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
Baek discloses the claimed invention listed above but fails to teach receiving, from the first UE, an indication of a first delay between receiving the first RTT measurement signal by the first UE and sending the second RTT measurement signal by the first UE and an indication of a second delay between sending the second RTT measurement signal to the BS by the first UE and sending a third RTT measurement signal by the first UE to one or more other UEs; and
However, ZHU teaches receiving, from the first UE, an indication of a first delay between receiving the first RTT measurement signal by the first UE and sending the second RTT measurement signal by the first UE and an indication of a second delay between sending the second RTT measurement signal to the BS by the first UE and sending a third RTT measurement signal by the first UE to one or more other UEs; and (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
ZHU teaches receiving, from each of at least one of the one or more other UEs, an indication of a respective delay between receiving the first RTT measurement signal that was sent by the BS and receiving the second RTT measurement signal that was sent by the first UE (paragraph 0006, the method includes determining a first round-trip transmission delay from the space network device (base station) to a terminal (first UE), and a first distance from the space network device to a ground reference point; determining a second round-trip transmission delay according to the first distance and a transmission speed of a signal between the space network device and the terminal).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 23, Baek discloses the method of claim 22, further comprising:
determining a position of the first UE based at least in part on the first delay, the second delay, and the respective delay from each of the at least one of the one or more other UEs, and the respective position of the at least one of the one or more other UEs. (Column 3 line 64-67, a method of performing relative positioning by a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS), receiving a first PRS in response to the second PRS).
Consider Claim 24, Baek discloses the method of claim 22, further comprising:
sending, to a location server, the first delay, the second delay, and the respective delay from each of the at least one of the one or more other UEs. (Column 16 line 58-62, the UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
Consider Claim 25, Baek discloses the method of claim 22, wherein the first RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 26, Baek discloses the method of claim 22, wherein the second RTT measurement signal comprises a sounding reference signal (SRS). (Column 18 line 28-33, when the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 27, Baek discloses a method of wireless communication performed by a base station (BS), the method comprising:
receiving, from a first user equipment (UE), a first round-trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
sending, to the first UE, a second RTT measurement signal; and (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
Baek discloses the claimed invention listed above but fails to teach sending an indication of a first delay between receiving the first RTT measurement signal by the BS and sending the second RTT measurement signal to the first UE.
However, ZHU teaches sending an indication of a first delay between receiving the first RTT measurement signal by the BS and sending the second RTT measurement signal to the first UE (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 28, Baek discloses the method of claim 27, wherein sending the indication of the first delay comprises sending the indication of the first delay to a location server, to the first UE, to a second UE, or to combinations thereof. (column 23 line 10-11, ΔΦ.sub.j may refer to an AoA offset between Φ.sub.j and Ø.sub.j and may be calculated using ΔΦ.sub.j=θ.sub.i−θ.sub.j as shown in FIG. 15).
Consider Claim 29, Baek discloses the method of claim 27, wherein the first RTT measurement signal comprises a sounding reference signal (SRS). (Column 18 line 28-33, when the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 30, Baek discloses the method of claim 27, wherein the second RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI-RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 31, Baek discloses a user equipment (UE), comprising:
a memory; (Column 43 line11-12 , the UE may include the memory 104).
at least one transceiver; and (column 43 line11-12, the UE may include the memory 104 that are connected to the RF transceiver).
at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to: (Column 44 line 15-17, the processor(s) 202 and the memory(s) 204 may be a part of a communication modem/circuit/chip designed to implement RAT (e.g., LTE or NR)).
receive, via the at least one transceiver, from a serving base station, a first round- trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
send, via the at least one transceiver, from a second UE, a second RTT measurement signal; and (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
send, via the at least one transceiver, to at least one other UE, a third RTT measurement signal; and (column 15 line 38-40 50-66, the transmitting UE may transmit some or all of the following information to the receiving UE through SCI. SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location (or distance/area) information about a target receiving UE).
Baek discloses the claimed invention listed above but fails to teach send, via the at least one transceiver, to the serving base station or to a location server, an indication of a first delay between receiving the first RTT measurement signal and sending the second RTT measurement signal and an indication of a second delay between sending the second RTT measurement signal and sending the third RTT measurement signal.
However, ZHU teaches send, via the at least one transceiver, to the serving base station or to a location server, an indication of a first delay between receiving the first RTT measurement signal and sending the second RTT measurement signal and an indication of a second delay between sending the second RTT measurement signal and sending the third RTT measurement signal (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 32, Baek discloses the UE of claim 31, wherein the first RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 33, Baek discloses the UE of claim 31, wherein the second RTT measurement signal comprises sounding reference signal (SRS). (Column 18 line 28-33, When the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 34, Baek discloses the UE of claim 31, wherein the third RTT measurement signal comprises a sidelink (SL) RTT measurement signal. (Column 31 line 47-53, network based UTDoA positioning and RTT positioning method in an NR-V2X system using distributed antennas may have the following advantages. The reference position measurement method of various vehicles using a distributed antenna group of a vehicle proposed).
Consider Claim 35, Baek discloses the UE of claim 34, wherein the SL RTT measurement signal comprises a SL-PRS. (Column 3 line 64-67, a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS)).
Consider Claim 36, Baek discloses a first user equipment (UE), comprising:
a memory; (Column 43 line11-12, the UE may include the memory 104).
at least one transceiver; and (Column 43 line11-12, the UE may include the memory 104 that are connected to the RF transceiver).
at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to: (Column 44 line 15-17, the processor(s) 202 and the memory(s) 204 may be a part of a communication modem/circuit/chip designed to implement RAT (e.g., LTE or NR)).
receive, via the at least one transceiver, from a serving base station, a first round- trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
receive, via the at least one transceiver, from a second UE, a second RTT measurement signal; and (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
Baek discloses the claimed invention listed above but fails to teach send, via the at least one transceiver, an indication of a first delay between receiving the first RTT measurement signal and receiving the second RTT measurement signal.
However, ZHU teaches send, via the at least one transceiver, an indication of a first delay between receiving the first RTT measurement signal and receiving the second RTT measurement signal (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 37, Baek discloses the first UE of claim 36, wherein the first RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 38, Baek discloses the first UE of claim 36, wherein the second RTT measurement signal comprises a sidelink (SL) RTT measurement signal. (Column 31 line 47-53, network based UTDoA positioning and RTT positioning method in an NR-V2X system using distributed antennas may have the following advantages. The reference position measurement method of various vehicles using a distributed antenna group of a vehicle proposed).
Consider Claim 39, Baek discloses the first UE of claim 38, wherein the SL RTT measurement signal comprises a SL-PRS. (Column 3 line 64-67, a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS)).
Consider Claim 40, Baek discloses the first UE of claim 36, wherein the at least one processor configured to send the indication of the first delay comprises the at least one processor configured to send the indication of the first delay to the serving base station, to the second UE, to a network SRS, or combinations thereof. (Column 14 line 8-13, after UE 2 triggers resource (re)selection, the resource selection window may start at T1≥0. The resource selection window may be limited by the remaining packet delay budget of UE 2. For example, in the operation of identifying the candidate resources in the resource selection window by UE 2, a specific resource may be indicated by the SCI received by UE 2 from UE 1. When the L1 SL RSRP measurement value for the specific resource exceeds an SL RSRP threshold, UE 2 may not determine the specific resource as a candidate resource).
Consider Claim 41, Baek discloses a user equipment (UE), comprising:
a memory; (Column 43 line11-12, the UE may include the memory 104).
at least one transceiver; and (Column 43 line11-12, the UE may include the memory 104 that are connected to the RF transceiver).
at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to: (Column 44 line 15-17, the processor(s) 202 and the memory(s) 204 may be a part of a communication modem/circuit/chip designed to implement RAT (e.g., LTE or NR)).
send, via the at least one transceiver, to a serving base station, a first round-trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
receive, via the at least one transceiver, from the serving base station, a second RTT measurement signal; and (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
Baek discloses the claimed invention listed above but fails to teach send, via the at least one transceiver, to the serving base station or a location server, an indication of a first delay between sending the first RTT measurement signal to the serving base station and receiving the second RTT measurement signal from the serving base station.
However, ZHU teaches send, via the at least one transceiver, to the serving base station or a location server, an indication of a first delay between sending the first RTT measurement signal to the serving base station and receiving the second RTT measurement signal from the serving base station (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 42, Baek discloses the UE of claim 41, wherein the first RTT measurement signal comprises a sounding reference signal (SRS). (Column 18 line 28-33, when the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 43, Baek discloses the UE of claim 41, wherein the second RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 44, Baek discloses the UE of claim 41, wherein the at least one processor is further configured to:
receive, via the at least one transceiver, from the serving base station, an indication of a second delay between receiving the first RTT measurement signal by the serving base station and sending the second RTT measurement signal by the serving base station; (Column 27 line 22-29, RTTD, which are measured using the response PRS and may finally measure a relative position of the neighbor UE. Here, the TRTD may be measured by the neighbor UE and may be defined as a difference between a time at which the request PRS is received and a time at which the response PRS is transmitted in response, and the RTTD may be measured by the positioning UE ).
calculate a propagation delay between the UE and the serving base station based at least in part on the first delay and the second delay; and (column 23 line 10-11, ΔΦ.sub.j may refer to an AoA offset between Φ.sub.j and Ø.sub.j and may be calculated using ΔΦ.sub.j=θ.sub.i−θ.sub.j as shown in FIG. 15).
calculate a distance between the UE and the serving base station based at least in part on the propagation delay between the UE and the serving base station. (Column 26 line 12-17, the positioning UE may measure a distance (or a relative distance) with the neighbor UE using the RTTD and TRTD value and may finally measure a relative position of the UE by applying a trigonometric theorem to a distance, AoA, and RSRP information).
Consider Claim 45, Baek discloses the UE of claim 44, wherein the at least one processor is further configured to:
estimate a position of the UE based at least in part on the distance between the UE and the serving base station. (Column 27 line 17-21, the positioning UE may calculate or estimate distances with the neighbor UE and a direction in which the neighbor UE is positioned using a Tx-Rx time difference (TRTD), an AoA, and reference signal reception power (RSRP) information).
Consider Claim 46, Baek discloses the UE of claim 44, wherein the at least one processor is further configured to:
send, via the at least one transceiver, to a cooperating UE, a third RTT measurement signal; (Column 31, the RF transceiver to receive a second PRS that requests transmission of the first PRS from a second UE, may measure an angle of arrival (AoA) based on the second PRS, may determine a first PRS pattern of the first PRS based on the AoA).
receive, via the at least one transceiver, from the cooperating UE, an indication of a third delay between receiving, by the cooperating UE, the third RTT measurement signal sent by the UE, and receiving the second RTT measurement signal sent by the serving base station; and (Column 27 line 22-29, RTTD, which are measured using the response PRS and may finally measure a relative position of the neighbor UE. Here, the TRTD may be measured by the neighbor UE and may be defined as a difference between a time at which the request PRS is received and a time at which the response PRS is transmitted in response, and the RTTD may be measured by the positioning UE ).
calculate a propagation delay between the UE and the cooperating UE based at least in part on the third delay. (column 15 line 38-40 50-66, the transmitting UE may transmit some or all of the following information to the receiving UE through SCI. SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location (or distance/area) information about a target receiving UE).
Consider Claim 47, Baek discloses the UE of claim 46, wherein the third RTT measurement signal comprises a sidelink (SL) RTT measurement signal. (Column 31 line 47-53, network based UTDoA positioning and RTT positioning method in an NR-V2X system using distributed antennas may have the following advantages. The reference position measurement method of various vehicles using a distributed antenna group of a vehicle proposed).
Consider Claim 48, Baek discloses the UE of claim 47, wherein the SL RTT measurement signal comprises a SL-PRS. (Column 3 line 64-67, a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS)).
Consider Claim 49, Baek discloses the UE of claim 46, wherein the third RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 50, Baek discloses the UE of claim 46, wherein the at least one processor is further configured to:
calculate a distance between the UE and the cooperating UE based at least in part on the propagation delay between the UE and the cooperating UE. (column 23 line 10-11, ΔΦ.sub.j may refer to an AoA offset between Φ.sub.j and Ø.sub.j and may be calculated using ΔΦ.sub.j=θ.sub.i−θ.sub.j as shown in FIG. 15).
Consider Claim 51, Baek discloses the UE of claim 49, wherein the at least one processor is further configured to:
estimate a position of the UE based at least in part on the distance between the UE and the serving base station and the distance between the UE and the cooperating UE. (Column 27 line 17-21, the positioning UE may calculate or estimate distances with the neighbor UE and a direction in which the neighbor UE is positioned using a Tx-Rx time difference (TRTD), an AoA, and reference signal reception power (RSRP) information).
Consider Claim 52, Baek discloses a base station (BS), comprising:
a memory; (Column 43 line11-12, the UE may include the memory 104).
at least one transceiver; and (Column 43 line11-12, the UE may include the memory 104 that are connected to the RF transceiver).
at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to: (Column 44 line 15-17, the processor(s) 202 and the memory(s) 204 may be a part of a communication modem/circuit/chip designed to implement RAT (e.g., LTE or NR)).
send, via the at least one transceiver, a first round-trip time (RTT) measurement signal; (Column 16 line 55-62, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
receive, via the at least one transceiver, from a first UE, a second RTT measurement signal; (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
Baek discloses the claimed invention listed above but fails to teach receive, via the at least one transceiver, from the first UE, an indication of a first delay between receiving the first RTT measurement signal by the first UE and sending the second RTT measurement signal by the first UE and an indication of a second delay between sending the second RTT measurement signal to the BS by the first UE and sending a third RTT measurement signal by the first UE to one or more other UEs; and.
However, ZHU teaches send, via the at least one transceiver, to the receive, via the at least one transceiver, from the first UE, an indication of a first delay between receiving the first RTT measurement signal by the first UE and sending the second RTT measurement signal by the first UE and an indication of a second delay between sending the second RTT measurement signal to the BS by the first UE and sending a third RTT measurement signal by the first UE to one or more other UEs; and (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
ZHU teaches receive, via the at least one transceiver, from each of at least one of the one or more other UEs, an indication of a respective delay between receiving the first RTT measurement signal that was sent by the BS and receiving the second RTT measurement signal that was sent by the first UE (paragraph 0006, the method includes determining a first round-trip transmission delay from the space network device (base station) to a terminal (first UE), and a first distance from the space network device to a ground reference point; determining a second round-trip transmission delay according to the first distance and a transmission speed of a signal between the space network device and the terminal).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 53, Baek discloses the BS of claim 52, wherein the at least one processor is further configured to:
determine a position of the first UE based at least in part on the first delay, the second delay, and the respective delay from each of the at least one of the one or more other UEs, and the respective position of the at least one of the one or more other UEs. (Column 3 line 64-67, a method of performing relative positioning by a second user equipment (UE) in a wireless communication system for supporting sidelink includes transmitting a second PRS that requests transmission of a first positioning reference signal (PRS), receiving a first PRS in response to the second PRS).
Consider Claim 54, Baek discloses the BS of claim 52, wherein the at least one processor is further configured to:
send, via the at least one transceiver, to a location server, the first delay, the second delay, and the respective delay from each of the at least one of the one or more other UEs. (column 23 line 10-11, ΔΦ.sub.j may refer to an AoA offset between Φ.sub.j and Ø.sub.j and may be calculated using ΔΦ.sub.j=θ.sub.i−θ.sub.j as shown in FIG. 15).
Consider Claim 55, Baek discloses the BS of claim 52, wherein the first RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Consider Claim 56, Baek discloses the BS of claim 52, wherein the second RTT measurement signal comprises a sounding reference signal (SRS). (Column 18 line 28-33, When the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 57, Baek discloses a base station (BS), comprising:
a memory; (Column 43 line11-12, the UE may include the memory 104).
at least one transceiver; and (Column 43 line11-12, the UE may include the memory 104 that are connected to the RF transceiver).
at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to: (Column 44 line 15-17, the processor(s) 202 and the memory(s) 204 may be a part of a communication modem/circuit/chip designed to implement RAT (e.g., LTE or NR)).
receive, via the at least one transceiver, from a first user equipment (UE), a first round-trip time (RTT) measurement signal; (Column 16 line 55-6, a UE utilizes measurement timings of DL signals received from multiple TPs (base station) including an eNB, an ng-eNB, and a PRS-dedicated TP. The UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
send, via the at least one transceiver, to the first UE, a second RTT measurement signal; and (Column 3 line 17-24, a method of transmitting a first positioning reference signal (PRS) for relative positioning by a first user equipment (UE) in a communication system for supporting sidelink communication includes receiving a second PRS (second RTT) that requests transmission of the first PRS from a second UE, measuring an angle of arrival (AoA) based on the second PRS (second RTT)).
Baek discloses the claimed invention listed above but fails to teach send, via the at least one transceiver, an indication of a first delay between receiving the first RTT measurement signal by the BS and sending the second RTT measurement signal to the first UE.
However, ZHU teaches send, via the at least one transceiver, an indication of a first delay between receiving the first RTT measurement signal by the BS and sending the second RTT measurement signal to the first UE (paragraph 0007, an initial timing advance sent by a space network device (base station) in the non-terrestrial network, in which the initial timing advance is determined based on a first round-trip transmission delay from the space network device to the terminal, a second round-trip transmission delay from the space network device to a ground reference point, and a transmission speed of a signal between the space network device and the terminal; and sending an uplink signal frame to the space network device (base station) according to the initial timing advance).
Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which said subject matter pertains, to modify by incorporating the method for performing relative positioning by terminal supporting sidelink in wireless communication system of Baek with the timing advance indication method and uplink signal sending method of ZHU. The motivation to do so would be to develop a wireless communication system with multiple access system that supports communication of multiple users by sharing available system resources. Thereby, increasing spectral efficiency of 5G mobile communications and significantly enhancing compared to the current fourth generation (4G) standard.
Consider Claim 58, Baek discloses the BS of claim 57, wherein sending the indication of the first delay is sent to a location server, to the first UE, to a second UE, or to combinations thereof. (Column 16 line 57-62, the UE measures the timings of the received DL signals using positioning assistance data received from a location server. The location of the UE may be determined based on the measurement results and the geographical coordinates of neighboring TPs).
Consider Claim 59, Baek discloses the BS of claim 57, wherein the first RTT measurement signal comprises a sounding reference signal (SRS). (Column 18 line 28-33, when the estimated SRS arrival time is calculated, a serving cell may be used as a reference cell to estimate the location of the UE based on the difference in arrival time from another cell (or BS/TP). In order to implement the UTDOA method, an E-SMLC may indicate the serving cell of a target UE to indicate SRS transmission to the target UE).
Consider Claim 60, Baek discloses the BS of claim 57, wherein the second RTT measurement signal comprises a positioning reference signal (PRS), a navigation reference signal (NRS), a cell-specific reference signal (CRS), or channel state information reference signal (CSI- RS). (Column 15 line 61-65, SL CSI-RS transmission indicator or information on the number of (transmitted) SL CSI-RS antenna ports; Location information about the transmitting UE or location).
Response to Arguments
Applicant’s arguments, see 13 and 14, filed 03/19/2026, with respect to claims 1-60 have been fully considered and are persuasive. The rejection of claims 1-60 has been withdrawn.
Conclusion
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/MICHELE C DOUGLAS/Examiner, Art Unit 2646
/JINSONG HU/ Supervisory Patent Examiner, Art Unit 2643
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