Huawei Technologies Co., Limited

Xun Tang

Wei Quan

Jinhua Miao

Jian Zhang

Bingzhao Li

Li Chai

Xiaodong Yang

Hong Wang

Qinghai Zeng

Hongping Zhang

Lei Chen

Yinghui Yu

Yongqiang Gao

A first network device determines a first cell. The first network device sends a first message, where the first message includes an identifier of the first cell, and the identifier of the first cell is used to indicate a terminal device to perform cell reestablishment.

Communication method and apparatus

A method for early transmission of downlink data and an apparatus are disclosed, to implement early transmission of downlink data, improve utilization of resources, and reduce power consumption of a terminal. The method includes: sending a random access preamble to a network device; receiving a random access response from the network device; sending a message 3 to the network device in response to the random access response, wherein the message 3 carries a first indication, and the first indication is used to indicate a single downlink data packet; and receiving a message 4 from the network device, wherein the message 4 carries downlink data.

Method for early transmission of downlink data and apparatus

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

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

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

A communication method and apparatus are provided. The method is: receiving a radio resource control RRC connection reconfiguration message sent by a network device, where the RRC connection reconfiguration message includes one or more secondary cells configured by the network device for a terminal, information used to indicate to activate the one or more secondary cells, and a start moment at which the terminal reports channel state information CSI; and starting to report the CSI of the one or more secondary cells at the start moment.

A communication device receives a parallel hybrid automatic repeat request (HARQ) communication instruction, where the parallel HARQ communication instruction is used to instruct the communication device to send or receive data in a parallel HARQ manner, where the sending data in a parallel HARQ manner by the communication device is sending, by the communication device, at least one data packet with same content within a transmission time interval; and the receiving data in a parallel HARQ manner by the communication device is receiving at least one data packet with same content within a transmission time interval, and performing combined decoding on the received at least one data packet with same content; and the communication device sends or receives the data in the parallel HARQ manner according to the parallel HARQ communication instruction. According to the present invention, a delay of data transmission can be reduced.

Communication method and communication device

A wireless communication method, a terminal device, and a network device are provided. The terminal device receives a first indication message sent by the network device, so that the terminal device may select, according to the first indication message, to fly in an appropriate cell. This ensures communication between the terminal device and the network device. The method includes: receiving, by the terminal device, the first indication message sent by the network device. The first indication message includes at least one of: flight zone restriction information of at least one cell, flight altitude information of the at least one cell, flight speed information of the at least one cell, volume information of a flight device, and weight information of the flight device, and/or the first indication message includes information about a flight transmission characteristic supported by the at least one cell.

Wireless communication method, network device, and terminal device

A signal processing method and an apparatus are provided, and the method includes: measuring, by a terminal device, signal quality of one or more cells, to generate a first measurement report; and sending, by the terminal device, the first measurement report to a first base station, where the first measurement report includes measurement information of the one or more cells so that the first base station sends the first measurement report to a second base station, and the first base station implements, by using the first measurement report, uplink interference cancellation or downlink interference cancellation for the terminal device.

Signal processing method and apparatus

Embodiments of this application provide a beam tracking method implemented by a terminal device, including: determining, N first beam reference quality values, where the N first beam reference quality values respectively correspond to N beams; selecting, M beams from the N beams based on the N first beam reference quality values and a cell to which each of the N beams belongs, where the M beams belong to a serving cell of the terminal device; and indicating the selected M beams to a network-side device providing a service for the terminal device.

Beam tracking method, terminal device, and network-side device

The present invention relates to a beam-based multi-connection communication method, a terminal device, and a network device. The method may include the following: Based on a multi-beam connection established between a terminal and a base station, the terminal further selects a dedicated message beam from a common message range of the base station based on a measurement result of an uplink pilot, or the base station selects a dedicated message beam from a common message range of the base station based on a measurement result of a downlink pilot; and the terminal or the base station chooses to delete at least one established beam connection. By selecting and deleting a multi-beam connection between the terminal and the base station, a high-quality beam connection is maintained, and interruption of data transmission between the base station and terminal is avoided, thereby ensuring normal communication between the base station and the UE.

Beam-based multi-connection communication method, terminal device, and network device

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. According to the method, the UE may determine that the serving beam is blocked, and further obtain the first message sent by the network device, thereby eliminating an adverse effect caused by the blocking of the serving beam. Correspondingly, the network device may also determine that the serving beam is blocked, and further send the first message, thereby eliminating an adverse effect caused by the blocking of the serving beam.

A transmission method, a transmission apparatus, a network device, and user equipment are provided, and are applied to the field of communications technologies. The method includes: configuring, by a base station, a resource request parameter for first UE; allocating a first PUSCH resource used by the first UE to send resource request information; and allocating, to the first UE when the base station detects, on the first PUSCH resource, resource request information sent by the first UE, a second PUSCH resource used for sending data. In this way, PUCCH capacity limitation is effectively mitigated, and more UEs can send resource requests, so that resource usage in an uplink transmission process can be increased, and a system capacity can be increased.

Transmission method, transmission apparatus, network device, and user equipment

A cell handover method and apparatus, and a device. The cell handover method includes: receiving, by user equipment (UE), a handover command sent by a source cell, where the handover command comprises indication information of an uplink scheduling resource indication UL grant indication information of a UL grant of a target cell; determining, by the UE based on the UL grant the indication information of the UL grant, the UL grant of the target cell; and sending, by the UE based on the UL grant, uplink data to the target cell, where the uplink data includes at least one of the following: a handover complete message, a buffer status report, or service data. Embodiments provide a cell handover method and apparatus, and a device, so as to reduce a delay time in a cell handover procedure.

Cell handover method, apparatus, and device

Example data transmission methods and apparatuses are provided to reduce an uplink transmission latency of a user terminal and improve system resource utilization. One example method includes notifying, by a base station, a user terminal of a semi-persistent SPS period, where the SPS period is a short period. A first SPS resource is allocated, by the base station, to the user terminal. Data that is periodically sent by the user terminal based on the SPS period is received by using the first SPS resource.

Growing community of inventors

Beijing, China

Xun Tang