Huawei Technologies Co., Limited

Shengyu Li

Lei Guan

Ruixiang Ma

Jiafeng Shao

Yongxia Lyu

Dan Hu

Ruijie Li

Bingzhao Li

Kunpeng Liu

Yi Bin Wang

Yan Chen

Di Zhang

Xiuqiang Xu

Jie Shi

Yuan Li

Yi Wang

Yang Ding

Tong Su

Xuehong Lin

Changmei Liu

This application provides a communication method and apparatus, and relates to the field of communication technologies, to improve data transmission reliability and resource utilization. The method includes: After the terminal device determines a candidate time domain resource set, the terminal device determines, based on the candidate time domain resource set, a codebook to be fed back to a network device. The codebook includes feedback information of one or more physical downlink shared channels PDSCHs, and the one or more PDSCHs are transmitted by using a time domain resource position indicated by the candidate time domain resource set.

Communication method and apparatus

This application provides a communication method and a communication apparatus. The communication method includes: receiving first downlink control information DCI, the first DCI indicating a first time-frequency resource; determining a second time-frequency resource, where the second time-frequency resource is used for uplink transmission, and the first time-frequency resource overlaps the second time-frequency resource; and when the uplink transmission meets a first condition, transmitting uplink information on the second time-frequency resource.

Communication method and communication apparatus employing dynamic spectrum resource sharing

This application provides an interference reporting method. In the method, a terminal device performs interference measurement on a first time-frequency resource, to obtain an autocorrelation matrix of an interference signal. The terminal device further determines a first interference parameter based on the autocorrelation matrix of the interference signal, and reports the first interference parameter to a network device. Based on the first interference parameter, the network device can restore the autocorrelation matrix of the interference signal obtained by the terminal device. This helps the network device perform more accurate downlink data scheduling.

Interference reporting method and apparatus

Embodiments of this application provide a communication method and a related device. The method includes: A terminal device obtains a plurality of power offset values corresponding to one reference signal resource, determines a plurality of pieces of channel state information CSI based on the plurality of offset values, and sends some or all of the plurality of pieces of CSI to a network device. The network device may flexibly adjust data transmit power based on the plurality of power offset values and the plurality of pieces of corresponding CSI, and perform appropriate link adaptation adjustment.

Communication method and related device

This application provides an information transmission method and a communications device. The method includes: generating, by a terminal device, a hybrid automatic repeat request-acknowledgment HARQ-ACK codebook corresponding to an ith time domain interval, where the ith time domain interval is any one of N time domain intervals of one slot, i is less than or equal to N, i is a positive integer, and N is a positive integer greater than 1; determining, by the terminal device, a physical uplink control channel PUCCH resource corresponding to the HARQ-ACK codebook; and sending, by the terminal device, the HARQ-ACK codebook on the PUCCH resource.

Information transmission method and communications device

Embodiments of this application provide a downlink control channel monitoring method and apparatus. A terminal device sends N groups of blind monitoring capability parameters to a network device. The monitoring capability parameters include: a reference value of an interval between monitoring spans, a reference value of duration of a monitoring span, and a reference value of a monitoring capability in the monitoring span. The terminal device determines K monitoring spans in a slot based on the N groups of monitoring capability parameters, and allocates a monitoring capability of the terminal device to the K monitoring spans based on the N groups of monitoring capability parameters. The terminal device may further perform blind detection on a downlink control channel in the K monitoring spans based on monitoring capabilities in the K monitoring spans.

Downlink control channel monitoring method and apparatus

This application provides a communication method and a communication apparatus. The communication method includes: receiving first DCI at a first receiving position in at least one receiving position, where the first DCI includes first information, the first information indicating time domain resource allocation, and the at least one receiving position is located in a same slot; performing transmission of a data channel, with the network device, on an ifirst-type time domain resource in M first-type time domain resources, where a difference between the ifirst-type time domain resource and an ireference symbol is equal to a starting symbol of an itime domain resource in a first time domain resource set, a length of the ifirst-type time domain resource is equal to a length of the itime domain resource in the first time domain resource set.

Communication method and communication apparatus

This application provides a method for multiplexing uplink control information, and relates to the wireless communications field. When a resource of a first uplink control channel that carries first HARQ-ACK information does not overlap a resource of a second uplink control channel that carries second HARQ-ACK information in time domain, but a resource of a third uplink control channel that carries an SR/CSI overlaps both the resource of the first uplink control channel and the resource of the second uplink control channel in time domain, a base station and UE determine, based on a format of the first uplink control channel, a format of the second uplink control channel, and a format of the third uplink control channel, that third HARQ-ACK information and first UCI are multiplexed for transmission, where the third HARQ-ACK information is the first HARQ-ACK information or the second HARQ-ACK information.

Method for multiplexing uplink control information and apparatus

An uplink control information transmission method are described. The method includes: receiving indication information, where the indication information is used to indicate a first physical uplink control channel (PUCCH) resource and a quantity N of repeated transmissions. The method further includes determining the first PUCCH resource and the quantity N of repeated transmissions in at least one PUCCH resource set based on the indication information; and repeatedly sending uplink control information uplink control information (UCI) for M times by using the first PUCCH resource and the quantity N of repeated transmissions.

Uplink control information transmission method and apparatus

A first uplink channel is obtained to carry joint information of second uplink control information carried on a second channel and third uplink control information carried on a third uplink channel. In response to the first and third uplink channels meeting a first condition, the joint information is sent on the first uplink channel. Otherwise, the third uplink control information is sent on the third uplink channel. The first condition includes at least one of: (i) a distance between ending symbols on the first and third uplink channels is less than or equal to a first threshold, (ii) a distance between starting symbols on the first and third uplink channels is less than or equal to a second threshold, or (iii) a difference between coding rates of the first and third uplink channels is less than or equal to a third threshold.

Information transmission method and apparatus for sending or receiving joint information of uplink control information

This application provides an uplink transmission method and a communication apparatus, to determine, based on a priority of a PUSCH, a logical channel set corresponding to the PUSCH, generate a MAC PDU based on the logical channel set corresponding to the PUSCH, and send the MAC PDU on the PUSCH. Based on this solution, a priority of an uplink data channel is associated with a logical channel, to provide a solution for mapping data of the logical channel to the uplink data channel.

Uplink transmission method based on transmission priority and communication apparatus

This application provides an information transmission method and apparatus. A terminal receives downlink control information (DCI), wherein a format of the DCI corresponds to a time domain resource set, the time domain resource set comprises first time domain resource. The terminal determines the first time domain resource from the time domain resource set based on the format of the DCI and second information, wherein the second information is carried in the DCI, and the second information indicates the index of the first time domain resource in the time domain resource set. And the terminal performs information transmission on the first time domain resource and through a physical channel.

Information transmission method and apparatus

A method and an apparatus for sending hybrid automatic repeat request acknowledgement/negative acknowledgement information are disclosed, and relate to the communications field, to specify a mechanism for feeding back information indicating whether a decoding result of downlink data repeatedly transmitted in a slot is correct. The method includes: determining a first downlink data occasion set based on a time domain resource indicated by a time domain resource allocation (TDRA) table; determining a first downlink data occasion based on a start time domain resource for sending downlink data; adding feedback information (for example, information indicating whether a decoding result of the downlink data is correct) to a feedback location corresponding to the first downlink data occasion; determining a feedback slot based on a slot to which the start time domain resource for sending the downlink data belongs and a first offset K1; and feeding back a HARQ-ACK codebook in the feedback slot.

Method for sending hybrid automatic repeat request acknowledgement/negative acknowledgement information and apparatus

A method and an apparatus for aggregation and transmission of multi-user uplink data, the method including obtaining first indication information by a first terminal device of N terminal devices in a terminal device group, the first indication information being location information of uplink data of the N terminal devices in a first uplink bit sequence including the uplink data of the N terminal devices, obtaining the uplink data of the N terminal devices, determining the first uplink bit sequence based on the first indication information and the uplink data of the N terminal devices, receiving second indication information from a network device, where the second indication information includes information about a first time-frequency resource, obtaining a second uplink bit sequence by performing channel coding on the first uplink bit sequence, and sending the second uplink bit sequence on the first time-frequency resource.

Method and apparatus for aggregation and transmission of multi-user uplink data

A method for aggregation transmission of multi-user downlink data and an apparatus. A network device performs, based on a specific aggregation rule, bit aggregation on downlink data of a terminal device in a terminal device group, performs channel encoding and modulation on data obtained through the bit aggregation, and sends the data to a plurality of terminal devices participating in aggregation transmission. Each terminal device that receives the downlink data obtains, based on the aggregation rule, respective downlink data from the received data obtained through the bit aggregation. According to this method, the network device performs channel encoding on an aggregated bit sequence, thereby increasing a sequence length before encoding, and improving a coding gain.

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Beijing, China

Shengyu Li