Huawei Technologies Co., Limited

Ruixiang Ma

Yongxia Lyu

Lei Guan

Shengyu Li

Jiafeng Shao

Xinghua Song

Yan Cheng

Sha Ma

Dan Hu

Yuan Li

Chaojun Li

Meng Hua

Zhiyu Yan

Xiuqiang Xu

Jinhuan Xia

Fei Gao

Jingnan Wang

Shurong Jiao

Xianda Liu

Thorsten Schier

Bengt Lindoff

Ronghui Wen

Hongjian Yang

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

A resource determining method and an apparatus are disclosed. A network device determines a resource of an uplink channel. A terminal device receives downlink control information (DCI) sent by the network device, where the DCI is carried on a physical downlink control channel (PDCCH). The terminal device determines the resource of the uplink channel based on the DCI, where the resource of the uplink channel is used to send uplink information. As a result, a latency of sending the uplink information is reduced.

Resource determining method and apparatus

A communication method and a communications apparatus are provided. The method includes: A network device configures a first time domain resource set of a first DCI format and a second time domain resource set of a second format for a terminal device; and the terminal device determines, based on a time domain repetition manner of grant free scheduling, a time domain repetition manner of the first DCI format, and a time domain repetition manner of the second format, an available third time domain resource set from the first time domain resource set and the second time domain resource set, and then receives and sends data by using a time domain resource in the third time domain resource set.

Communication method and communications apparatus

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

This application discloses methods and apparatuses for sending a physical uplink shared channel (PUSCH) and relates to the communication field. A network device sends indication information to a terminal device, where the indication information is used to indicate first information and second information. The first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition. The second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition. The terminal device sends N PUSCHs based on precoding information indicated by the indication information. The precoding information corresponding to the N PUSCHs includes at least one of the first precoding information and the second precoding information.

Method for sending physical uplink shared channel 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 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

This application discloses a communication method, which includes: A terminal side device determines, based on configuration information sent by a network side device, positions of a first time subunit and a second time subunit for monitoring a downlink control channel; and determines, based on a parameter corresponding to the first time subunit, a monitoring capability corresponding to the first time subunit, where the parameter corresponding to the first time subunit includes at least one of the following: a first time domain interval between a start position of the first time subunit and a start position of the second time subunit; a time domain length of the first time subunit; and a second time domain interval between the first time subunit and the second time subunit.

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

This application discloses that a terminal device determines at least one target time parameter set based on N time parameter sets, where time unit lengths corresponding to at least two of the N time parameter sets are different; determines M target times based on a first time and the at least one target time parameter set, generates a codebook based on response information corresponding to downlink information received at at least one of the M target times, and sends the codebook to a network device at the first time. Correspondingly, the network device determines, based on the response information included in the codebook, whether the downlink information corresponding to the response information is successfully transmitted. Therefore, when the time unit lengths corresponding to the at least two of the N time parameter sets are different, the network device and the terminal device have a consistent understanding of the codebook.

Communication method, apparatus, device, system, and storage medium

A network node for performing control channel monitoring according to a first mode or a second mode, in particular for monitoring control channel elements (CCEs) and/or blind decodes (BDs), the network node being configured to obtain configuration information indicating the first mode and/or the second mode perform control channel monitoring based on the obtained configuration information.

Apparatus and method for flexible control channel monitoring

This application provides a method for transmitting hybrid automatic repeat request HARQ feedback information and a communications apparatus. A terminal device receives downlink data channels. Each of the downlink data channels has a corresponding transmission parameter group, and at least two downlink data channels correspond to different transmission parameter groups. The terminal device determines a first transmission resource based on first information including the transmission parameter groups, and sends, on the first transmission resource, HARQ feedback information corresponding to the downlink data channels, so that a plurality of pieces of HARQ feedback information can be smoothly fed back. This helps improve service transmission reliability.

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Beijing, China

Ruixiang Ma