Datang Mobile Communications Equipment Co., Ltd.

China Academy of Telecommunications Technology

Nokia Technologies Oy

Nokia Solutions and Networks Oy

Xiaomi Inc.

Deshan Miao

Qiubin Gao

Shaohui Sun

Bin Ren

Hui Li

Runhua Chen

Ren Da

Qiuping Huang

Yi Zhang

Xueming Pan

Lei Wang

Xuejuan Gao

Kari Pekka Pajukoski

Timo Erkki Lunttila

Chunli Wu

Xin Su

Yuantao Zhang

Mihai Enescu

Rakesh Tamrakar

Yingmin Wang

Fang-Chen Cheng

Xiaotao Ren

Rui Zhao

Di Zhang

Jing Min Xu

Jingyuan Sun

Jiaqing Wang

Ying Peng

Wei Bai

Zukang Shen

Klaus Ingemann Pedersen

Gang Li

Jun Chen

Libo Wang

Yu Yang

Jie Zhang

Yali Zhao

Kari Veikko Horneman

Jing Liang

Lei Du

Shaoli Kang

Meiying Yang

Guojun Xiao

Xueyuan Gao

Fangchen Cheng

Yu Ding

Shiqiang Suo

Ranran Zhang

Bo Han

Meifang Jing

Liming Hou

Peter Skov

Yanping Xing

Tamrakar Rakesh

Fei Qin

Hongchao Li

Xiaoyi Wang

Ekpenyong Tony

Zhuyan Zhao

Jinhua Miao

Zheng Zhao

Wenhong Chen

Tony Ekpenyong

Yong Teng

Mengjun Wang

Meng Xu

Wen Wei Tang

Johanna Katariina Pekonen

Wenjian Zhang

Yanji Zhang

Jiancheng Sun

Naizheng Zheng

Jinling Hu

Jingxiu Liu

Jiangsheng Fan

Keeth Saliya Jayasinghe

Hai Bi

Jianhong Mou

Hao He

Dingcheng Yang

Gaishi La

Jing Xu

Kungmin Park

An indication method and an indication device are provided. The method includes obtaining satellite parameters of a current satellite cell and one or more neighbor satellite cells, wherein the current satellite cell is a satellite cell where a terminal is located, the one or more neighbor satellite cells are satellite cells neighboring the current satellite cell; determining a basic list and a detailed list according to the satellite parameters of the current satellite cell and the neighbor satellite cells, wherein the basic list includes basic information of the neighbor satellites, and the detailed list includes detailed information of the neighbor satellites; sending the basic list and/or the detailed list to the terminal.

Indication method and indication device

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

A method for handover of a satellite base station, a terminal, the satellite base station, and a storage medium are provided. The terminal determines a pitch angle when accessing the satellite base station; and if the pitch angle is determined within a preset range, the terminal performs inter-satellite handover; or the terminal sends the pitch angle to the accessed satellite base station, so that the satellite base station notifies the terminal to perform the inter-satellite handover when determining that the pitch angle is within the preset range.

Method for handover of satellite base station, terminal, satellite base station, and storage medium

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

The present application can provide an uplink transmission method and apparatus. The method comprises: a base station instructs a UE to send SRSs corresponding to N groups of SRS resources, each of the N groups of SRS resources comprising one or more SRS resources; N being a positive integer; the base station receives the SRSs sent by the UE to determine X groups of uplink scheduling information, each of the X groups of uplink scheduling information corresponding to one group of SRS resources in the N groups of SRS resources; uplink scheduling information in different groups corresponding to SRS resources in different groups; X being a positive integer greater than one and not greater than N; the base station sends the determined X groups of uplink scheduling information to the UE so that the UE transmits an uplink signal according to the X groups of uplink scheduling information.

Uplink transmission method and apparatus

A method, a device, a terminal and a service device for determining satellite communication system parameters are provided. The method includes: obtaining gateway station information, according to an ephemeris information table or a system message; calculating feeder link information of a current communication link, according to the obtained gateway station information; and determining a satellite communication system parameter of the terminal according to the feeder link information.

Method, device, terminal and service device for determining sateellite communications system parameters

Provided are a method and apparatus for transmitting a sounding reference signal (SRS), and a network device, a terminal. The method includes determining SRS configuration information on the basis of uplink related information corresponding to a terminal; issuing the SRS configuration information to the terminal; and receiving a SRS signal sent by the terminal on the basis of the SRS configuration information. By means of the method the network device, the terminal, SRS configuration information is determined on the basis of uplink-related information, and the dynamic configuration of SRS-related parameters is realized, and the related configuration of a SRS can better adapt to rapid changes in a Doppler frequency shift and a transmission delay caused by fast movement of a satellite, an uplink time-frequency estimation can resist fast-changing timing and frequency deviations, and the timeliness requirement of the uplink time-frequency estimation is satisfied.

SRS transmission method and apparatus, network device, terminal and storage medium

This disclosure provides a satellite beam offset processing method, a device and a medium. The method includes: a network side device indicating a satellite beam offset parameter to a terminal via a broadcast message and/or a dedicated signalling; the terminal receiving the satellite beam offset parameter indicated by the network side device via the broadcast message and/or the dedicated signalling; and the terminal adjusting a communication process of the terminal according to the satellite beam offset parameter.

Satellite beam offset processing method, device and medium

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.

Vehicle positioning method and device, positioned vehicle, vehicle to be positioned, and storage medium

Methods for configuring and receiving a transmission resource for a PRS, and a UE are provided. The method for configuring the transmission resource for a PRS includes transmitting an S-PRS resource set. An S-PRS resource comprised in the S-PRS resource set is preconfigured, or configured through PC5 RRC signaling, or configured through base station RRC signaling.

Methods for configuring and receiving transmission resource for positioning reference signal, and user equipment

Disclosed are a method for positioning, a terminal, and a network-side device, which relate to the field of communications and are used to provide a means for positioning in a V2X scenario and simplify a positioning flow in the V2X scenario. In the embodiments of the present application, a first terminal determines position information of a second terminal relative to the first terminal according to received auxiliary positioning information. A means for positioning a peer device by the first terminal in the V2X scenario is provided. With this means, measuring the positions of the first terminal and the second terminal by relying on base stations is avoided, to simplify the flow of positioning the second terminal by the first terminal in the V2X scenario; and the applicability thereof is relatively high.

Method for positioning, terminal, and network-side device

Embodiments of the present application relates to a method and device for random access, for use in resolving the problem that no current random access process can satisfy requirements of a satellite communication system. The method of the embodiments of the present application comprises: receiving and obtaining a related parameter in a configuration message, the related parameter comprising common cell delay information; generating a physical random access channel random access preamble (PRACH Preamble) sequence, and determining an uplink sending timing location according to the common cell delay information; and sending the PRACH Preamble sequence on a time-frequency resource corresponding to the uplink sending timing location. A relative transmission delay and a multi-path channel delay from a terminal, to a satellite, and to a base station are compensated according to the determined uplink sending timing location, thereby reducing overheads of a PRACH channel.

Method and device for random access

A measurement reporting and receiving method, a device and an equipment are provided. The method includes: measuring, by a terminal, positioning reference signals sent by a plurality of network side sending devices, and determining, according to a measurement result of the positioning reference signals sent by each network side sending device, angle of departure indication information of the each network side sending device; and sending, by the terminal, the angle of departure indication information of the plurality of network side sending devices to a network side positioning device.

Measurement reporting and receiving method, device and equipment

Disclosed in the embodiments of the present application are a network access method and apparatus for a terminal, an electronic device and a storage medium. The method includes a terminal determining a beam sweeping interval and a sweeping frequency point, and receiving a base station signal sent or forwarded by a satellite; determining the downlink signal quality of the base station according to the base station signal; and if it is determined, according to the downlink signal quality, that the terminal can successfully find a satellite, executing a network access process of the terminal. In the embodiments of the present application, the downlink signal quality of a base station is determined by means of a base station signal sent or forwarded by a satellite; and it is further determined, according to the downlink signal quality, whether a terminal can successfully find a satellite.

Network access method and apparatus for terminal, electronic device and storage medium

Disclosed are a method for processing multi-transmission reception point (TRP) data, a base station, a terminal, and a storage medium. The method includes a base station generates a resource allocation instruction and a quasi-co-location (QCL) instruction according to the mapping relations between a transmission coding block of data to be transmitted and multiple TRPs, and the QCL instruction is used for indicating the associations between an allocated resource and the QCL identifiers of the multiple TRPs, and the allocated resource includes a time-frequency resource or a demodulation reference signal (DMRS) port resource; and sends downlink control information (DCI) to a user terminal, the DCI including at least the resource allocation instruction and the QCL instruction as well as a data merging and detection instruction, to instruct the user terminal to perform.

Method for processing multi-transmission reception point (TRP) data, base station, terminal, and storage medium

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Beijing, China

Deshan Miao