Datang Mobile Communications Equipment Co., Ltd.

China Academy of Telecommunications Technology

Bin Ren

Ren Da

Zheng Zhao

Hui Li

Deshan Miao

Qiubin Gao

Tie Li

Xiaotao Ren

Shaoli Kang

Fang-Chen Cheng

Gang Li

Fangchen Cheng

Shaohui Sun

Xueyuan Gao

Tony Ekpenyong

Xueming Pan

Zhenyu Zhang

Ekpenyong Tony

Rongyi Fang

Hao Liu

Haiyang Quan

Yanping Xing

Yang Song

Rui Zhao

Shanzhi Chen

Qiong Li

Xiangli Lin

Jianxiang Li

Fei Qin

Pierre Bertrand

Wei Zhong

Xiaodong Sun

Shaoshuai Fan

Mengfan Zhou

Boyang Hu

Dafei Yu

Zhanqi Zheng

Wenping Ma

Feiqiong Luo

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.

Collision processing and indication method, device, apparatus, and medium

The present disclosure discloses a positioning method and device, a terminal and a base station. The positioning method is applied to a first network device, the first network device is one of a terminal and a network side device, the positioning method includes: sending first information related to a random access process, wherein the first information includes positioning information; wherein the positioning information includes at least one of the following information: an uplink positioning reference signal, configuration information of the uplink positioning reference signal, a downlink positioning reference signal, configuration information of the downlink positioning reference signal, a positioning measurement value, a positioning calculation result or terminal position information.

Positioning method, device, terminal and base station

The present disclosure provides an information reporting method, an apparatus, a device and a readable storage medium. The method includes: acquiring a first reference signal; performing measurement according to the first reference signal to obtain a first phase measurement quantity; reporting the first phase measurement quantity; wherein, the first reference signal comprises at least one of the following reference signals: a C-PRS, a DL-PRS, a CSI-RS and a SSB; the first phase measurement quantity includes at least one of the following: an intra-cycle phase value, an integer ambiguity, and a whole-cycle phase value.

Information reporting method, apparatus and device, and readable storage medium

The present application discloses a terminal positioning method and device. In the present application, a positioning server receives positioning measurement information reported by a terminal, acquires downlink-positioning reference signal angle information corresponding to downlink-positioning reference signal resource information reported by a base station, and positions the terminal according to the positioning measurement information reported by the terminal and the downlink-positioning reference signal angle information reported by the base station. The positioning measurement information reported by the terminal includes the downlink-positioning reference signal resource information and a downlink-positioning reference signal measurement corresponding to the downlink-positioning reference signal resource information.

Terminal positioning method and device

A wireless channel type detection method and apparatus. The type of a channel can be identified on the basis of at least one of carrier phase slope consistency, a ratio of phase differences of carrier phases at different times, and a carrier path loss, i.e., the type of the channel is determined to be LOS transmission or NLOS transmission. Thus, the precision of positioning resolution can be effectively improved.

Method for detecting type of wireless channel and apparatus therefor

A method for positioning based on downlink (DL) channel information includes: sending a positioning assistance data request message to a core network device, in which the positioning assistance data request message includes the DL channel information; receiving positioning assistance data sent by the core network device, in which the positioning assistance data includes DL PRS resource information, the DL PRS resource information is determined by an access network device based on first estimated location information of the UE forwarded by the core network device, and the first estimated location information is determined by the core network device based on the DL channel information; obtaining a DL positioning measurement by measuring a DL PRS based on the DL PRS resource information, and sending the DL positioning measurement to the core network device.

Positioning method and apparatus based on downlink (DL) channel information, and device

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.

Positioning method and apparatus, and readable storage medium

Disclosed are methods and apparatuses for signal transmission, signal measurement reporting, and positioning. The signal measurement reporting method includes acquiring a cell-specific first reference signal (RS) sent by a network in the direction of M downlink beams of first downlink beam sets of different cells, and using first RS configuration information to measure the first RS to obtain a first beam information report value, and reporting same to the network, where M is greater than 1, and acquiring a second RS sent by the network in the direction of N downlink beams of second downlink beam sets of the different cells, and using second RS configuration information to measure the second RS to obtain a second beam information report value, and reporting same to the network, where 1<=N<M, the second downlink beam sets being determined by the network using the first beam information report value.

Methods and apparatuses for signal transmission, signal measurement reporting, and positioning

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.

Carrier phase tracking method and device for orthogonal frequency division multiplexing multi-carrier system

Provided are a measurement reporting method, a positioning measurement device, and a location management function (LMF). The method includes receiving a positioning measurement reporting request message sent by a location management function (LMF); and reporting at least one positioning measurement value to the LMF on the basis of the positioning measurement reporting request message, and the at least one positioning measurement value includes at least one carrier phase measurement value. By means of the embodiments of the present application, the reporting of a carrier phase measurement value is realized, carrier phase positioning is supported, and the positioning precision is improved.

Measurement reporting method, positioning measurement device, and location management function

The embodiment of the application provides a measurement reporting method, a measurement reporting device and a positioning server, and 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, and the positioning measurement related information includes any one of the following items: a positioning measurement value and line-of-sight information corresponding to the positioning measurement value, a positioning measurement value satisfying line-of-sight requirements, or a positioning measurement value satisfying line-of-sight requirements and line-of-sight information corresponding to the positioning measurement value. The embodiment of the application ensures the accuracy for positioning.

Measurement reporting method, measurement reporting device, and positioning server

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.

Information indication method and apparatus, and communication device

Disclosed in the present disclosure are channel selection and configuration methods and apparatuses. At a terminal side, the channel selection method provided in an embodiment of the present disclosure includes: 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, and the random access channel uses a structure in which signal transmission is performed by using a means of repeated transmission by multiple preamble symbols.

Channel selection and configuration methods and apparatuses

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, 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 includes 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.

Information transmission method and device

The present application discloses a vehicle positioning method and device, a positioning vehicle, a vehicle to be positioned, and a storage medium. The method includes: determining configuration information of a positioning reference signal of a positioning vehicle; and transmitting, according to the configuration information, the positioning reference signal to a vehicle to be positioned, and the vehicle to be positioned determines a positioning measurement quantity based on the positioning reference signal. The configuration information of the positioning reference signal is determined by the positioning vehicle and the transmission of the positioning reference signal is started to the vehicle to be positioned according to the configuration information, and the vehicle to be positioned can determine the positioning measurement quantity according to the positioning reference signal, and improving the positioning performance and avoiding configuration conflicts between positioning reference signals.

Growing community of inventors

Beijing, China

Bin Ren