Huawei Technologies Co., Limited

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Honor Device Co., Ltd.

Li Chai

Bo Lin

Jie Shi

Jian Zhang

Wei Quan

Bingzhao Li

Xun Tang

Hong Wang

Lei Chen

Zhenzhen Cao

Jinhua Miao

Yajuan Li

Liangliang Zhang

Kunpeng Liu

Bin Xu

Tao N Zhang

Junren Chang

Hao Bi

Yuhua Chen

Yan Wang

Zhiheng Guo

Xingqing Cheng

Shulan Feng

Yue Zhao

Weiwei Song

Miao Zhang

Qinghai Zeng

Jie Ma

Zheng Yu

Sha Ma

Yinghui Yu

Xingwei Zhang

Tao Zhang

Xuelong Wang

Zhiyu Yan

Jingyuan Sun

Juan Zheng

Henrik Olofsson

Jianmin Lu

Chengcai Dong

Dongzi Gao

Xing Lei

Maolin Wang

This application provides a communication method, an apparatus, and a communications system, and relates to the field of communications technologies. A terminal device receives system information broadcast by a network device, and determines a bandwidth of an initial BWP based on the system information. The system information includes first indication information. The first indication information indicates that the bandwidth of the initial BWP used for the terminal device is a first bandwidth or a second bandwidth. The first bandwidth is indicated by using a first bandwidth parameter carried in the system information. The second bandwidth is a bandwidth of a CORESET 0. The CORESET 0 is used to schedule the system information.

Resource configuration method and apparatus

Embodiments of this application disclose a positioning method and an apparatus, to reduce a quantity of transmission points needed to calculate a position of a terminal, thereby reducing positioning calculation complexity. The method for calculating the position includes: receiving, by a terminal, positioning assistance information sent by a positioning entity, where the positioning assistance information includes a cell identity of a cell in which a to-be-measured transmission point is located, an identity of the to-be-measured transmission point, and positioning reference signal configuration information of the to-be-measured transmission point; measuring, by the terminal, the to-be-measured transmission point based on the positioning assistance information, to obtain a measurement result, where the measurement result includes positioning reference signal information of the to-be-measured transmission point; and sending, by the terminal, the measurement result to a positioning entity.

Positioning method and apparatus

The present disclosure relates to information processing methods, communications devices, systems, and storage medium. One example method includes generating, by a network device, first configuration information of an uplink reference signal, where the first configuration information includes a first mapping relationship between an uplink reference signal resource and first information, the first information is number information or index information about a downlink reference signal of a location measurement unit (LMU), and the LMU is different from the network device, and sending, by the network device, the first configuration information to a terminal.

Information processing method, communications device, system, and storage medium

Embodiments of the present disclosure provide a communication method, and a communications apparatus and system. User equipment can communicate with the network device by using a plurality of beams, the plurality of beams include a first beam and at least one second beam, the first beam is a serving beam used by the user equipment to listen to control information, and the second beam is a beam other than the serving beam. The method includes: determining, by the user equipment, that the serving beam is blocked; and obtaining, by the user equipment, a first message from the network device by using the first beam or the second beam.

Communication method, and communications apparatus and system

This application relates to the field of system information transmission technologies, and in particular, to a method for transmitting system information and an apparatus. A related method for receiving system information includes: determining, by a terminal device, resource information, where the terminal device uses one beam to perform communication on a resource indicated by the resource information; and receiving, by the terminal device based on the resource information, system information on the resource indicated by the resource information. According to the method for transmitting system information and the apparatus in this application, a probability of successfully receiving system information by a terminal device can be increased.

Method for transmitting system information and apparatus

A method includes: determining, by a communications device, information about a target beam; determining a target monitoring occasion based on the information about the target beam and a mapping relationship between information about a beam and a monitoring occasion, where the target monitoring occasion is in a system information window, and the system information window is used for OSI; and monitoring downlink control information in the target monitoring occasion. This application is applicable to a process of information transmission between a network device and the communications device.

Communication method and apparatus for information transmission in a monitoring occasion for a beam

This application provides a measurement method and an apparatus. In the measurement method, a communications apparatus may receive configuration information, where the configuration information includes a cell list and indication information, and the indication information is used to indicate whether a measurement event is affected by the cell list; and the communications apparatus performs a measurement evaluation based on the cell list and the indication information. In this implementation, whether to perform a trigger evaluation for a measurement result of a cell in the cell list may be determined depending on whether the measurement event is affected by the cell list, to avoid an unnecessary trigger evaluation for a cell.

Measurement method and apparatus

The present disclosure relates to measurement methods, devices, and systems. One example method includes receiving, by a terminal, configuration information sent by a network device, where the configuration information is used by the terminal to measure a to-be-measured object, and measuring, by the terminal, at least one to-be-measured object in an RRC idle mode based on the configuration information to obtain a measurement result of the at least one to-be-measured object.

Measurement method, device, and system

A method for handling a radio link failure (RLF) is described. The method includes sending, by a terminal device, duplicated data packets to a network device on a first carrier and a second carrier. Thereafter, upon determining that an RLF occurred on one of the first carrier and the second carrier, the terminal device sends RLF indication information to the network device. The RLF indication information indicates that the RLF event occurs on the first carrier, the second carrier, or the first carrier and the second carrier.

Method for handling radio link failure, terminal device, and network device

A communication method and a communications apparatus are disclosed to provide an implementation solution for measuring, in an idle state, a carrier. The method includes: initiating, in an idle state, measurement on one or more carriers when a volume of to-be-sent data exceeds a first threshold, or initiating measurement on one or more carriers when a paging message is received; and sending an obtained measurement result to a network device.

Communication method and communications apparatus

A data sending method is provided. The method includes: allocating, by a Media Access Control (MAC) entity of a first network node, data packets to at least one hybrid automatic repeat request (HARQ) unit of at least two cells, where the at least two cells use different radio access technologies RATs, the at least two cells share one HARQ unit or each of the at least two cells is corresponding to one HARQ unit, and the HARQ unit is a HARQ entity and/or a HARQ process; and sending, by the first network node, the data packets to a second network node by using the at least two cells. According to the foregoing solution, the data packets are allocated to the at least one HARQ unit of the at least two cells by using a shared MAC layer, so as to effectively reduce an end-to-end delay.

Data transmission method, user equipment, and base station

A random access preamble sequence generation method and user equipment are provided. The method includes the following: when receiving first notification signaling sent by a base station, determining, by UE, to calculate a cyclic shift value by using a first solution; obtaining a first logical root sequence number, and determining a root sequence based on the first logical root sequence number; and generating a random access preamble sequence based on the root sequence and the cyclic shift value, where the first solution is a solution of calculating the cyclic shift value when a Doppler shift of the UE is less than a first preset value and greater than a second preset value, the first preset value is less than twice of a physical random access channel (PRACH) subcarrier spacing, the second preset value is greater than the PRACH subcarrier spacing.

Random access preamble sequence generation method and user equipment

Methods, systems, and apparatus for communications are provided. In one aspect, a communication method including: determining, by a first communications apparatus, buffer latency information, and sending, by the first communications apparatus, the buffer latency information. The buffer latency information is determined based on a buffer latency of one or more data packets. The buffer latency indicates one of a time interval between a time point at which a data packet arrives at an access stratum (AS) and a time point at which a corresponding buffer status report (BSR) is sent, or a time interval between a time point at which a data packet arrives at an AS and a time point at which a corresponding uplink grant is received.

Communication method, communications apparatus, and system

Embodiments of this disclosure provide a communications method, device, and system. The method includes: generating cell selection information, where the cell selection information is associated with a configuration parameter of a reference signal of a cell; and sending the cell selection information. In the embodiments of this disclosure, the cell selection information associated with the configuration parameter of the reference signal of the cell is generated and sent, so that a terminal can perform cell selection based on the cell selection information. Therefore, terminals supporting different reference signal configurations can be deployed in a network.

Communications method, device, and system

This application provides a measurement method and apparatus, and relates to the field of communications technologies. The method includes: measuring a currently camped cell in &#x394;t, to obtain {S|i is a positive integer, i&#x2264;N}; if any Sin {S|i is a positive integer, i&#x2264;N} satisfies that S&#x2212;Sgreater than or equal to a first threshold, updating Sso that Sis equal to S; and measuring one or more neighboring cells of the currently camped cell if S&#x2212;Sis greater than or equal to the first threshold. To be specific, when determining that a cell state variable in &#x394;t is always less than a cell state reference variable, a terminal may start measurement on the neighboring cells, and update the cell state variable from Sto a cell state variable Sobtained through the last measurement in &#x394;t.

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Shenzhen, China

Li Chai