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公开(公告)号：US20240334372A1
公开(公告)日：2024-10-03
申请号：US18571243
申请日：2022-06-09
Inventor： Zhenyu ZHANG , Bin REN , Rongyi FANG , Gang LI , Ren DA , Shaohui SUN
CPC classification number: H04W64/00 , G01S5/0218 , G01S5/14
Abstract: The present disclosure provides a terminal device locating method, an apparatus and a storage medium. The method includes: receiving, by a first network element, a reference signal; determining a time-domain channel response of the reference signal according to the reference signal; performing filtering processing on the time-domain channel response to obtain a line-of-sight time-domain signal; determining subcarrier phase information of a line-of-sight frequency-domain signal according to the line-of-sight time-domain signal, where the subcarrier phase information is used to determine location information of a terminal device. The present disclosure can improve the accuracy of locating the terminal device.
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公开(公告)号：US20240214969A1
公开(公告)日：2024-06-27
申请号：US18556939
申请日：2022-03-28
Inventor： Rongyi FANG , Bin REN , Zhenyu ZHANG , Ren DA , Xiaotao REN , Gang LI
CPC classification number: H04W64/00 , H04L5/0051 , H04W24/10
Abstract: A terminal positioning method, a terminal positioning device, a receiving end device and a core network device are provided, so as to solve the problem in the related art where the positioning accuracy of the terminal positioning method is low and it is impossible to meet the requirement on the positioning accuracy. The terminal positioning method includes: obtaining, by the receiving end device, first reference signal configuration information and a first reference signal corresponding to the first reference signal configuration information; obtaining, by the receiving end device, NLOS/LOS identification information and a measurement value; and transmitting, by the receiving end device, the NLOS/LOS identification information and the measurement value to the core network device, the measurement value and the NLOS/LOS identification information being used by the core network device to position a target terminal; or positioning, by the receiving end device, the target terminal in accordance with the NLOS/LOS identification information and the measurement value.
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公开(公告)号：US20230309042A1
公开(公告)日：2023-09-28
申请号：US18019239
申请日：2021-07-22
Inventor： Ren DA , Bin REN , Hui LI , Xiaotao REN , Zheng ZHAO , Gang LI , Rongyi FANG , Zhenyu ZHANG
CPC classification number: H04W56/005 , H04W64/00
Abstract: Embodiments of the present disclosure provide a method and apparatus for correcting a Tx delay, and a storage medium. The method includes receiving Tx delay (Tx Delay) parameter information transmitted by a transmitting node, and transmitting positioning reference signal configuration information to a receiving node; and correcting a positioning measurement value on the basis of the Tx Delay parameter information, the positioning measurement value being obtained by means of the receiving node measuring, according to the positioning reference signal configuration information, a positioning reference signal transmitted by the transmitting node. In the embodiments of the present disclosure, by using Tx Delay parameter information, the effect of a Tx delay on a time-related positioning measurement value can be eliminated, and the positioning precision is effectively improved.
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公开(公告)号：US20230199696A1
公开(公告)日：2023-06-22
申请号：US17924674
申请日：2021-04-14
Inventor： Bin REN , Xiaotao REN , Ren DA , Hui LI , Gang LI , Zheng ZHAO , Zhenyu ZHANG , Rongyi FANG
CPC classification number: H04W64/00 , H04W74/0825
Abstract: A collision processing method, indication method, device, apparatus and medium are disclosed. The collision processing method includes: obtaining, by user equipment, a downlink positioning reference signal (PRS) type and collision determination information, the collision determination information being one of or a combination of following information: content carried by a downlink signal/channel, first indication information, second indication information, and third indication information; wherein the downlink PRS type is aperiodic PRS or semi-persistent PRS, the first indication information is used for indicating a positioning latency requirement, the second indication information is used for indicating priority levels of the downlink signals/channels, and the third indication information is used for indicating priority levels of the first and second indication information; and choosing, according to the downlink PRS type and collision determination information, to discard either a downlink PRS or other downlink signals/channels in an orthogonal frequency division multiplexing symbol where a collision occurs.
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公开(公告)号：US20230046671A1
公开(公告)日：2023-02-16
申请号：US17793923
申请日：2020-12-15
Inventor： Zhenyu ZHANG , Bin REN , Ren DA , Gang LI , Dafei YU , Zhanqi ZHENG , Shaohui SUN
Abstract: Disclosed in the embodiments of the present application are a non-line of sight (NLOS) elimination method and device for a time of arrival (TOA) measurement value, and a terminal. The method includes: modeling the probability density of the TOA measurement value of each base station arriving at a terminal into a Gaussian mixture model, and performing selection and NLOS identification on the TOA measurement value subsequent to performing Gaussian mixture modeling, so as to obtain an identification tag, wherein the identification tag is used for indicating whether the selected TOA measurement values correspond to NLOS; and correcting the selected TOA measurement value according to the identification tag, so as to eliminate an error caused by NLOS in the selected TOA measurement value. The present invention improves the positioning accuracy of a user by performing Gaussian mixture modeling and selection on the probability density of each TOA measurement value, accurately finding the TOA measurement value corresponding to LOS is ensured that in the case that the LOS is aliased with the NLOS, and correcting the selected TOA measurement value to eliminate the error caused by the NLOS in the selected TOA measurement value.
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Patent Agency Ranking
公开(公告)号：US20240179670A1
公开(公告)日：2024-05-30
申请号：US18551388
申请日：2022-03-14
Inventor： Rongyi FANG , Ren DA , Xiaotao REN , Bin REN , Hui LI , Zhenyu ZHANG , Gang LI
CPC classification number: H04W64/00 , H04L5/0051 , H04W24/10
Abstract: Embodiments of the present disclosure provide a positioning method and apparatus, and a readable storage medium, relating to the technical field of communications. The method includes: obtaining a first timing error group configuration parameter; receiving the first reference signal to obtain first positioning measurement value, and determining first receiving timing errors of the first positioning measurement value; dividing the first receive timing errors into groups according to the first timing error group configuration parameter to obtain at least one first receive timing error group for positioning a UE. The first reference signal includes one of a positioning reference signal and a sounding reference signal; and the first positioning measurement value is used to represent a distance between a transmitting end and the receiving end of the first reference signal. The embodiments of the present disclosure enhance flexibility of positioning services and pertinence of specific scenarios, effectively reduces receiving-transmitting timing errors, thereby improving positioning accuracy.
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公开(公告)号：US20220155401A1
公开(公告)日：2022-05-19
申请号：US17600115
申请日：2020-03-12
Inventor： Ren DA , Bin REN , Deshan MIAO , Hui LI , Xueyuan GAO , Gang LI
IPC: G01S5/00 , H04W24/10 , H04B17/318 , H04B17/336 , G01S5/02 , H04L5/00
Abstract: Disclosed in the present application is a method and device for determining a positioning measurement value, for use in obtaining optimal positioning measurement from positioning measurement values measured by multiple receiver units. The method for determining the positioning measurement value provided by the present application comprises: measuring, by receiver units in a receiver unit array, measurement values used for positioning; and determining, on the basis of the measurement values used for positioning measured by the receiver units in the receiver unit array, an optimal measurement value used for positioning.
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公开(公告)号：US20230262647A1
公开(公告)日：2023-08-17
申请号：US18012829
申请日：2021-06-25
Inventor： Bin REN , Ren DA , Xiaotao REN , Zheng ZHAO , Gang LI , Hui LI , Zhenyu ZHANG , Rongyi FANG
CPC classification number: H04W64/00 , H04L5/0051 , H04W24/10
Abstract: Disclosed are a positioning method and apparatus, which are used for eliminating a clock skew between base stations and improving the UE positioning accuracy of an UL-TDOA/DL-TDOA positioning technical scheme. The method comprises: determining positioning reference signal configuration information; for a downlink time difference of arrival (DL-TDOA) positioning technical scheme, receiving and measuring downlink positioning reference signals from different base stations on the basis of the positioning reference signal configuration information, determining downlink positioning measurement quantity information, and reporting the downlink positioning measurement quantity information and location information of a reference terminal; and for an uplink time difference of arrival (UL-TDOA) positioning technical scheme, sending an uplink positioning reference signal on the basis of the positioning reference signal configuration information, and sending the location information of the reference terminal.
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公开(公告)号：US20230247451A1
公开(公告)日：2023-08-03
申请号：US18002913
申请日：2021-03-16
Inventor： Xiaotao REN , Ren DA , Bin REN , Haiyang QUAN , Hui LI , Jianxiang LI , Gang LI
Abstract: An information indication method, an information indication apparatus and a communication device are provided. The method includes: obtaining first quality indication information according to first measurement metrics; reporting the first quality indication information; wherein, the first quality indication information includes at least one of following: indication information of carrier phase continuity, indication information of half cycle ambiguity, indication information of an error indication value, indication information of an error resolution, indication information of a carrier signal quality, indication information of a quantity of error sampling points, and indication information of a measurement confidence level.
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10.发明公开公开(公告)号：US20230188401A1
公开(公告)日：2023-06-15
申请号：US17924686
申请日：2021-04-16
Inventor： Shaoshuai FAN , Mengfan ZHOU , Boyang HU , Gang LI , Bin REN , Rongyi FANG , Zhenyu ZHANG , Ren DA , Shaohui SUN
IPC: H04L27/26
CPC classification number: H04L27/2671
Abstract: Provided in the embodiments of the present disclosure are a carrier phase tracking method and device for an orthogonal frequency division multiplexing (OFDM) multi-carrier system. The method includes: performing frequency domain tracking on a received current OFDM symbol and determining a phase of each subcarrier; analyzing a phase curve of all subcarriers and determining an inter-symbol phase average offset, and the inter-symbol phase average offset is used to characterize an estimated value of a difference obtained by subtracting a second value from a first value, the first value is a carrier phase value of the current OFDM symbol, and the second value is an estimated value of a carrier phase of a previous OFDM symbol; and performing time domain tracking by using the inter-symbol phase average offset as an input phase and determining an estimated value of a carrier phase of the current OFDM symbol.
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