Huawei Technologies Co., Limited

Spreadtrum Communications (shanghai) Co., Ltd.

Beijing Unisoc Communications Technology Co., Ltd.

Beijing Spreadtrum Hi-tech Communications Technology Co., Ltd.

Beijing Spreadtrum Hi-tech Communications Tech

Su Huang

Yi Wang

Lei Chen

Yingjie Yu

Junren Chang

Keyvan Zarifi

Jinping Hao

Mengting Liu

Hualei Wang

Zhengang Pan

Xinghang Gao

Zhikun Xu

Zhenyu Shi

Xin Gao

Yongxing Zhou

Bingyu Qu

Hongping Zhang

Xiaoyan Bi

Yong Liang Liu

Yinghao Jin

Huayu Zhou

Lu Rong

Yongping Zhang

Li Zhang

Yun Deng

Meng Zhang

Shitong Yuan

Shuigen Yang

Mingxin Gong

Jiantao Xue

Tie Li

Weijie Xu

Xingya Shen

Huan Zhou

Xiangxin Gu

Xin Qu

Yinghao Guo

Shaofei Wang

JinHui Chen

Jun Luo

Xi Xie

Huiming Sun

Wenqiang Tian

This application discloses an indoor-outdoor determining-based uplink transmission method and apparatus. A terminal device or a positioning device determines whether the terminal device is located indoors or outdoors. The terminal device or the positioning device sends a first message to an access network device, where the first message includes a first information element, and the first information element indicates whether the terminal device is located indoors or outdoors. The access network device determines an access parameter of the terminal device based on the first information element, where the access parameter includes an access frequency. According to the method disclosed in embodiments of this application, uplink transmission of the terminal device in a proper frequency band is implemented, and communication interference is reduced.

Uplink transmission method and apparatus

A method for controlling positioning integrity. A location management device receives a first message sent by a terminal device, where the first message includes a first parameter set. The first parameter set includes measurement information and/or error information relating to location information of the terminal device. The error information is related to the positioning integrity. The location management device obtains a first positioning result based on the first parameter set and/or positioning assistance data. The first positioning result includes location information and/or integrity information of the terminal device. The integrity information includes the error information and/or alarm information, and the alarm information includes a determining result obtained by comparing the first positioning result with a preset determining condition.

Method for controlling positioning integrity and apparatus

A positioning method includes: a location management device obtains a plurality of assistance data from one or more access network devices, where each assistance data includes one or more groups of mapping relationships corresponding to one or more preset angles, and each group of mapping relationships includes a mapping relationship between each of one or more PRS resource identifiers and power information corresponding to each PRS resource identifier at a corresponding preset angle; the location management device obtains, from a terminal device, power information corresponding to one or more PRS resource identifiers at each of a plurality of to-be-measured angles; and the location management device positions the terminal device based on the plurality of assistance data and the power information.

Positioning method, apparatus, and system

Example methods for reporting user equipment location information and apparatus are described. In one example method, user equipment receives a first message, where the first message comprises a paging trigger indication, and the paging trigger indication is used to trigger the user equipment to report, when receiving a paging message, a measurement result of a positioning reference signal. The user equipment receives the paging message in an idle state or an inactive state. The measurement result of the positioning reference signal is reported by the user equipment based on the paging message.

User equipment location information reporting method, user equipment, and network device

Methods of ascertaining a location of an apparatus, and associated systems are disclosed. An example method includes: receiving, by a terminal device or a chip thereof, a plurality of assistance data including one or more groups of mapping relationships corresponding to one or more preset angles, and each group of mapping relationships includes a mapping relationship between each of one or more PRS resource identifiers and power information corresponding to each PRS resource identifier at a corresponding preset angle. The terminal device determines power information corresponding to one or more PRS resource identifiers which correspond to each of a plurality of to-be-measured angles. The terminal device ascertains its location based on the plurality of assistance data and the power information corresponding to the one or more PRS resource identifiers at each of the plurality of to-be-measured angles.

A positioning signal processing method includes receiving positioning reference signal (PRS) configuration information from a positioning device. A PRS is received as a PRS resource set. Each PRS resource set includes one or more PRSs. One access network device corresponds to one or more PRS resource sets. The positioning signal processing method further includes determining PRS time domain information based on the PRS configuration information. The time domain information includes a periodicity (P) of the PRS and a symbol length of the PRS in the P. The positioning signal processing method further includes receiving a plurality of PRSs based on the PRS time domain information.

Positioning signal processing method and apparatus

The present disclosure relates to reference signal resource configuration methods and apparatus. In one example reference signal resource configuration method, a terminal receives sounding reference signal (SRS) resource configuration information from a base station. In response to determining that at least two SRS resources indicated by the SRS resource configuration information are located on a same orthogonal frequency division multiplexing (OFDM) symbol, the terminal maps one of the at least two SRS resources to the OFDM symbol.

Reference signal resource configuration method and apparatus

A reference signal configuration determining method and apparatus are provided. The method includes: a network device determines a first configuration for sending an aperiodic reference signal by a to-be-positioned terminal; and the network device sends the first configuration to a location management function. The network device is a serving base station of a terminal. The serving base station of the terminal may determine an aperiodic reference signal configuration of the terminal at any time. The first configuration of the aperiodic reference signal is sent to the location management function, so that the location management function can be notified of the aperiodic reference signal configuration in time. According to the application, the location management function obtains positioning measurement information from a measurement network element based on the first configuration, thereby optimizing an uplink positioning technology and improving uplink positioning accuracy.

Reference signal configuration determining method and apparatus

This application provides a signal measurement method and a communication apparatus, to measure a downlink angle of departure (DAOD) more accurately. The method includes: receiving resource configuration information, where the resource configuration information includes configuration information of a first reference signal set, the first reference signal set includes M reference signals, N reference signals in the M reference signals are reference reference signals, M is greater than 1, and N is greater than or equal to 1; receiving the M reference signals; determining N first paths corresponding to the N reference reference signals, and separately determining M*N received powers of the M reference signals on the N first paths; and reporting a measurement result, where the measurement result includes K*N received powers in M*N received powers, K≤M, and the first path is one of a plurality of paths corresponding to a reference reference signal.

Signal measurement method and communication apparatus

This application provides a beam information obtaining method and an apparatus, relates to the field of communications technologies, and resolves a problem that resources of positioning reference signals are wasted because the positioning reference signals need to be omnidirectionally sent because of an unknown direction, of a terminal, caused by use of a beam, when the terminal is positioned in, e.g., a 5G system. The method in this application resolves the problem and saves overheads of sending a reference signal. The method includes: The terminal receives a beam information request sent by a location management device, where the beam information request is used to request the terminal to provide measurement information of a downlink beam. The terminal obtains beam information, where the beam information includes information about a reference signal that is sent by at least one network device and that is measured by the terminal.

Positioning beam information obtaining method and apparatus

This application provides a sidelink positioning method and apparatus. The method may include: A first terminal device receives a first sidelink positioning configuration sent by a network device. The first terminal device sends a first sidelink positioning reference signal to a second terminal device based on the first sidelink positioning configuration, where a position of the first terminal device is determined based on a first measurement value and a position of the second terminal device, and the first measurement value includes a measurement value of the second terminal device on the first sidelink positioning reference signal. According to this method for performing positioning between terminal devices by using a sidelink reference signal, a relative position or an absolute position between terminal devices may be obtained.

Sidelink positioning method and apparatus

A method determining a timing of an uplink signal includes receiving timing information associated with an uplink signal and a numerology of the uplink signal, wherein the timing information is used to determine a reference time of the uplink signal received from a user equipment (UE), receiving, from the UE, the uplink signal, wherein the receiving is in accordance with the timing information and the numerology of the uplink signal, and measuring an uplink relative time of arrival in accordance with the received uplink signal and the reference time of the uplink signal.

Solutions to timing reference for detection and report of UL RSAT asynch nodes or nodes without a time frame structure

This application provides a relative angle-based positioning method and an apparatus. In the method, a network device can flexibly select a reference direction, and support linear array-based angle positioning. The method includes: A network device participating in positioning exchanges an uplink positioning configuration with a positioning center, a terminal device, and a serving cell that participate in positioning. The network device participating in positioning receives a first reference signal sent by the terminal device. The network device participating in positioning determines angle measurement information based on the first reference signal. The network device participating in positioning reports the angle measurement information to the positioning center, where the angle measurement information includes a set reference direction and an angle of a direction of the terminal device relative to the set reference direction. The positioning center determines a location of the terminal device based on the received angle measurement information.

Relative angle-based positioning method and apparatus

A preamble-based locating method and a device are provided. The method includes: a location management function network element receives first indication information from a first network device, wherein the first indication information indicates a first random access channel resource; sends second indication information to a terminal device, wherein the second indication information indicates a second random access channel resource, and the second indication information further indicates the terminal device to send a preamble to the first network device and a second network device; sends a location information request to the first network device and each second network device; the location management function network element receives measurement information from both the first network device and each second network device; and the location management function network element determines a location of the terminal device based on the measurement information.

Preamble-based locating method and device

This application provides a signal transmission method and apparatus. The method includes: A neighboring cell sends downlink reference signal resource configuration information to a serving cell. The serving cell sends a downlink reference signal measurement request including downlink reference signal resource configuration information to a terminal device. The neighboring cell and the terminal device transmit a downlink reference signal based on the downlink reference signal resource configuration information. The terminal device obtains a downlink reference signal measurement result. The terminal device sends the downlink reference signal measurement result to the serving cell. The serving cell sends the downlink reference signal measurement result to the neighboring cell, or sends, to the neighboring cell, beam information that is about a beam between the neighboring cell and the terminal device and that is determined based on the downlink reference signal measurement result.

Signal transmission method and apparatus

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Shanghai, China

Su Huang