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公开(公告)号：US20240179670A1
公开(公告)日：2024-05-30
申请号：US18551388
申请日：2022-03-14
发明人： Rongyi FANG , Ren DA , Xiaotao REN , Bin REN , Hui LI , Zhenyu ZHANG , Gang LI
CPC分类号： H04W64/00 , H04L5/0051 , H04W24/10
摘要： 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：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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6.发明公开公开(公告)号：US20230299917A1
公开(公告)日：2023-09-21
申请号：US18019953
申请日：2021-05-13
发明人： Bin REN , Xiaotao REN , Ren DA , Zheng ZHAO , Gang LI , Hui LI , Rongyi FANG , Zhenyu ZHANG , Xuejuan GAO
CPC分类号： H04L5/0051 , H04W24/08 , G01S5/14
摘要： Disclosed are a downlink positioning reference signal receiving and transmitting method, and a terminal, a base station, a device and an apparatus. The method includes: in response to receiving SPS DL-PRS configuration information of a plurality of base stations configured by a LMF via SPS, receiving SPS DL-PRS activation information of the plurality of base stations; where the plurality of base stations comprise a serving base station and a non-serving base station; receiving and measuring an SPS DL-PRS according to a period and time-frequency resource information of the SPS DL-PRS determined from the SPS DL-PRS configuration information and according to a downlink slot of the SPS DL-PRS determined from the SPS DL-PRS activation information, and obtaining a positioning measurement; and sending the positioning measurement to the LMF or the serving base station of the UE.
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公开(公告)号：US20230180172A1
公开(公告)日：2023-06-08
申请号：US17925325
申请日：2021-04-22
发明人： Zhenyu ZHANG , Bin REN , Ren DA , Gang LI , Rongyi FANG , Shaohui SUN
CPC分类号： H04W64/00 , G01S5/10 , G01S5/0036
摘要： The present application discloses a positioning method and device, for improving the positioning accuracy. The positioning method provided in the present application comprises: determining a whole-cycle ambiguity by means of a positioning measurement value provided by a receiving end of a positioning reference signal (PRS), wherein the positioning measurement value comprises a virtual phase measurement value constructed by the receiving end using a carrier phase measurement value, the carrier phase measurement value being obtained by measuring a carrier PRS (C-PRS) by the receiving end, and the PRS comprises the C-PRSs sent by a sending end of the PRS by means of at least two carrier frequencies; and determining a terminal position by means of the whole-cycle ambiguity.
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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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9.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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