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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
发明人： Zhenyu ZHANG , Bin REN , Rongyi FANG , Gang LI , Ren DA , Shaohui SUN
CPC分类号： H04W64/00 , G01S5/0218 , G01S5/14
摘要： 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
发明人： Rongyi FANG , Bin REN , Zhenyu ZHANG , Ren DA , Xiaotao REN , Gang LI
CPC分类号： H04W64/00 , H04L5/0051 , H04W24/10
摘要： 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
发明人： Ren DA , Bin REN , Hui LI , Xiaotao REN , Zheng ZHAO , Gang LI , Rongyi FANG , Zhenyu ZHANG
CPC分类号： H04W56/005 , H04W64/00
摘要： 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
发明人： Bin REN , Xiaotao REN , Ren DA , Hui LI , Gang LI , Zheng ZHAO , Zhenyu ZHANG , Rongyi FANG
CPC分类号： H04W64/00 , H04W74/0825
摘要： 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
发明人： Zhenyu ZHANG , Bin REN , Ren DA , Gang LI , Dafei YU , Zhanqi ZHENG , Shaohui SUN
摘要： 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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公开(公告)号：US20230262647A1
公开(公告)日：2023-08-17
申请号：US18012829
申请日：2021-06-25
发明人： Bin REN , Ren DA , Xiaotao REN , Zheng ZHAO , Gang LI , Hui LI , Zhenyu ZHANG , Rongyi FANG
CPC分类号： H04W64/00 , H04L5/0051 , H04W24/10
摘要： 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
发明人： Xiaotao REN , Ren DA , Bin REN , Haiyang QUAN , Hui LI , Jianxiang LI , Gang LI
摘要： 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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8.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
发明人： Shaoshuai FAN , Mengfan ZHOU , Boyang HU , Gang LI , Bin REN , Rongyi FANG , Zhenyu ZHANG , Ren DA , Shaohui SUN
IPC分类号： H04L27/26
CPC分类号： H04L27/2671
摘要： 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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公开(公告)号：US20230155766A1
公开(公告)日：2023-05-18
申请号：US17918049
申请日：2021-04-08
发明人： Xiaotao REN , Bin REN , Ren DA , Hui LI , Gang LI , Zheng ZHAO , Rongyi FANG , Zhenyu ZHANG
IPC分类号： H04L5/00
CPC分类号： H04L5/0048 , H04L5/0007 , H04L5/006
摘要： Embodiments of the present disclosure provide a signal processing method, a signal processing device, a terminal and a network node. The signal processing method includes determining to drop the SRS-Pos or the first channel on overlapped OFDM symbols according to first information in the case that OFDM symbols occupied by an uplink positioning reference signal SRS-Pos overlap OFDM symbols occupied by a first channel; the first channel includes: PUSCH and/or PUCCH; the first information includes: at least one of a resource type of the SRS-Pos, a content carried by the first channel, or indication information configured by a network node; the indication information is related to dropping a signal on the overlapped OFDM symbols.
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公开(公告)号：US20230100877A1
公开(公告)日：2023-03-30
申请号：US17802526
申请日：2021-01-19
发明人： Bin REN , Ren DA , Xiaotao REN , Gang LI , Hui LI , Zheng ZHAO , Zhenyu ZHANG , Rongyi FANG
摘要： Disclosed in the present application are an information transmission method and device, for use in implementing integrity monitoring of a downlink 3GPP RAT-dependent positioning network, so as to eliminate the influence of factors such as time offset of a base station, transmitter failure of the base station, a multipath channel, and a non-line-of-sight path channel. The information transmission method provided by the present application comprises: obtaining downlink positioning reference signal (PRS) parameter configuration information; measuring a downlink PRS from a base station on the basis of the downlink PRS parameter configuration information, and generating an error correction parameter ECP; and sending the ECP.
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