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51.发明申请公开(公告)号：US20220200695A1
公开(公告)日：2022-06-23
申请号：US17601715
申请日：2020-03-13
Inventor： Bin REN , Deshan MIAO
Abstract: Disclosed are a time delay compensation method and apparatus and a time delay control method and apparatus, which are used for performing time delay compensation on the basis of a relative time delay of a service link and a relative time delay of a feeder link. An uplink timing mechanism for an NTN system is provided, thereby ensuring the reliability of a synchronization establishment process of the NTN system and the timing accuracy of a subsequent data transmission process. Provided is a time delay compensation method, comprising: determining that time delay compensation needs to be performed on a service link and a feeder link in a non-terrestrial networks (NTN) system; and performing time delay compensation on the basis of a relative time delay of the service link and a relative time delay of the feeder link.
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公开(公告)号：US20220150858A1
公开(公告)日：2022-05-12
申请号：US17430325
申请日：2020-01-15
Inventor： Bin REN , Deshan MIAO , Shaohui SUN , Shaoli KANG
Abstract: The embodiments of the present application relate to a method and device for determining a timing advance, applied to the establishment of a timing advance in a random access process of an NTN system. The method in the embodiments of the present application includes: receiving and acquiring relevant parameters in a configuration message, wherein the relevant parameters include cell common time delay information; and determining, according to the cell common time delay information, an uplink timing advance of an uplink transmission timing position with respect to a configuration message receiving position. With regard to cell common time delay information existing in the NTN system, an uplink transmission timing position is determined, and a PRACH Preamble is sent in advance, so that the problem when applied to the establishment of the timing advance in the random access process of the NTN system is solved, and the calculation accuracy of the timing advance in a data transmission process after the random access process is ensured.
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公开(公告)号：US20210297215A1
公开(公告)日：2021-09-23
申请号：US17261846
申请日：2019-06-21
Inventor： Ren DA , Fang-Chen CHENG , Hui LI , Xueyuan GAO , Bin REN , Qiubin GAO , Deshan MIAO
Abstract: Disclosed are a method and device for transmitting a positioning reference signal. The method includes a base station determining a time-frequency resource for sending a PRS according to configuration information of the PRS, mapping a PRS sequence to the time-frequency resource for sending the PRS, and sending the mapped PRS on the time-frequency resource for sending the PRS, wherein the configuration information of the PRS comprises PRS frequency domain resource information; the PRS frequency domain resource information comprises PRS resource element (RE) frequency shift information, and the PRS RE frequency shift information is correlated with a PRS OFDM symbol index value calculated from a PRS occasion.
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公开(公告)号：US20240276437A1
公开(公告)日：2024-08-15
申请号：US18681091
申请日：2022-06-10
Inventor： Xiaotao REN , Bin REN , Ren DA
CPC classification number: H04W64/00 , H04J3/0661 , H04L5/0051 , H04W8/22
Abstract: Embodiments of the present disclosure provide a timing error related information transmission method and apparatus. The method comprises: transmitting to a network device related information between a sounding reference signal for positioning (SRS-Pos) resource or an SRS-Pos resource set and transmission timing error information. According to the timing error related information transmission method provided by the embodiments of the present disclosure, related information between an SRS-Pos resource or an SRS-Pos resource set between transmission timing error information is reported to a network device by means of UE, such that when the position of a terminal is calculated, the network device can select a different transmission timing error according to the related information and a different SRS-Pos; a transmission timing error can be estimated more accurately or the influence of the transmission timing error can be removed; the influence of the transmission timing error on the calculation accuracy of the position of the terminal is avoided; and the positioning accuracy of the network device when estimating the position of the UE is improved.
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公开(公告)号：US20240172173A1
公开(公告)日：2024-05-23
申请号：US18552846
申请日：2022-02-28
Inventor： Xiaotao REN , Bin REN , Ren DA
IPC: H04W64/00
CPC classification number: H04W64/00
Abstract: An information processing method, an apparatus, a terminal, and a network-side device are provided. The information processing method includes: receiving at least one measured value instance which is fed back by a terminal and/or a second network-side device according to information of a measurement time window; determining position information of the terminal according to the at least one measured value instance; where the information of the measurement time window includes terminal measurement time window information and/or second network-side device measurement time window information; the first network-side device is a positioning server or other network element capable of determining the position information of the terminal except the positioning server; the second network-side device is a base station or a TRP.
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Patent Agency Ranking
公开(公告)号：US20240098796A1
公开(公告)日：2024-03-21
申请号：US17768215
申请日：2020-09-29
Inventor： Deshan MIAO , Bin REN , Shaohui SUN
IPC: H04W74/0833 , H04L27/26
CPC classification number: H04W74/0833 , H04L27/26025 , H04L27/26132
Abstract: Disclosed in the present disclosure are channel selection and configuration methods and apparatus, which are used to resist transmission delay offset of different users within a cell and improve the signal-to-noise ratio of a random access channel sending signals, thereby improving a random access channel selection scheme suitable for a satellite communication system. At a terminal side, the channel selection method provided in an embodiment of the present disclosure comprises: determining a current signal transmission condition; and according to the current signal transmission condition and the configuration of a network, selecting the resources and channel format of a random access channel, wherein the random access channel uses a structure in which signal transmission is performed by using a means of repeated transmission by multiple preamble symbols.
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公开(公告)号：US20240031973A1
公开(公告)日：2024-01-25
申请号：US18033929
申请日：2021-10-26
CPC classification number: H04W64/00 , H04L5/0051 , G01S5/0063 , G01S5/0268 , G01S5/021 , G01S2205/008
Abstract: Embodiments of this disclosure provide a positioning method and apparatus, and terminal and device. The method performed by a terminal includes: receiving positioning configuration information, wherein the positioning configuration information includes at least one of positioning reference signal configuration information or a first frequency layer error parameter; calculating a positioning measurement quantity according to the positioning configuration information; reporting the positioning measurement quantity to a positioning server; wherein the positioning measurement quantity is reported in the following manner: one positioning measurement quantity is reported for multiple frequency layers of one transmission and reception point (TRP), or one positioning measurement quantity is reported for each frequency layer of one TRP. With the disclosed solution, a more accurate positioning measurement quantity may be obtained, thus the positioning of the terminal is more accurate and positioning accuracy is improved.
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公开(公告)号：US20230397184A1
公开(公告)日：2023-12-07
申请号：US18249236
申请日：2021-10-15
Abstract: A measurement configuration method, a measurement method, a network device and a user equipment (UE) are provided. The method includes: configuring for the UE, a target measurement gap for an aperiodic downlink PRS or a semi-persistent downlink PRS; where the target measurement gap is an aperiodic measurement gap or a semi-persistent measurement gap.
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公开(公告)号：US20230345407A1
公开(公告)日：2023-10-26
申请号：US17925583
申请日：2021-05-14
Abstract: The embodiment of the application provides a measurement reporting method, a measurement reporting device and a positioning server, wherein the method includes the following steps: receiving a positioning measurement report request message sent by a positioning server; reporting positioning measurement related information based on the positioning measurement report request message, wherein the positioning measurement related information includes any one of the following: a positioning measurement value and line-of-sight information corresponding to the positioning measurement value; a positioning measurement value satisfying the line-of-sight requirements; and satisfying the positioning measurement value required by the line-of-sight and the line-of-sight information corresponding to the positioning measurement value. The embodiment of the application ensures the accuracy for positioning.
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公开(公告)号：US20230328801A1
公开(公告)日：2023-10-12
申请号：US18334383
申请日：2023-06-14
Inventor： Bin REN , Zheng ZHAO , Ren DA , Tie LI , Fang-Chen CHENG
IPC: H04W74/08 , H04L5/00 , H04L69/324 , H04W72/23
CPC classification number: H04W74/0833 , H04L5/0007 , H04L69/324 , H04W72/23
Abstract: Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, and the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, and the random access response message includes downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.
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