Huawei Technologies Co., Limited

Liuliu Ji

Xiaohan Wang

Xiaoyan Bi

Shibin Ge

Yuanjie Li

Yi Huang

Haibao Ren

Kunpeng Liu

Ting Wang

Hua Xu

Zheng Yu

Haicun Hang

Hongzhe Shi

Shengyue Dou

Xianda Liu

Jinyao Liang

Long Qin

Zhongfeng Li

Yi Qin

Peng Guan

Ye Wu

Junchao Li

Yi Ren

Min Zhang

Yongping Zhang

Xiang Ren

Fei Gao

Jian Luo

Tie Li

Bo Fan

Huiying Zhu

Xi Zhang

Zhao Zhao

Zhihang Li

Mingzhe Wang

Example communication processing methods and apparatus are described. One method includes receiving M groups of first parameters and N groups of second parameters that are sent by a network device, where each first parameter is a a control resource set (CORESET) group, each second parameter is a cell-specific reference signal (CRS) rate matching parameter, M is equal to N, and both M and N are positive integer greater than or equal to 2. There is an association relationship between each group of first parameters and each group of second parameters. Terminal devices may determine a punctured time-frequency resource on a physical downlink shared channel (PDSCH) based on CRS rate matching parameters determined by the terminal devices to obtain downlink data.

Communication processing method and apparatus

This application provides a method including: determining, according to a resource allocation rule, downlink reference signal resources corresponding to a plurality of first resources used to carry an uplink reference signal in a plurality of uplink reference signal resources, where each uplink reference signal resource includes one or more first resources; determining, based on the downlink reference signal resource corresponding to each first resource, a precoding matrix corresponding to each first resource; and then sending a precoded uplink reference signal, where the precoded uplink reference signal is obtained by precoding the uplink reference signal based on the precoding matrix corresponding to each first resource.

Uplink reference signal sending method, uplink reference signal receiving method, and communication apparatus

Embodiments of this application disclose a resource configuration method, apparatus, and system. A network device sends, to a terminal device, resource configuration information of a demodulation reference signal (DMRS) resource that meets a predetermined rule. The terminal device receives the resource configuration information of a DMRS, where the received resource configuration information includes two or more groups of resource configuration information, and the DMRS is used for demodulating a physical data channel. In the two or more groups of resource configuration information, a DMRS resource configured by any group of resource configuration information does not intersect with a physical data channel resource corresponding to another group of resource configuration information.

Resource configuration method and apparatus, and system

This application provides a quasi co-location (QCL) indication method and a related device, and may be applied to coordinated multistation transmission. In the method, a terminal receives QCL indication information, where the QCL indication information indicates that time-frequency spread information of a demodulation reference signal (DMRS) is associated with time-frequency spread information of N tracking reference signals (TRSs) (or a TRS corresponding to the DMRS) and that delay-frequency offset information of the DMRS is associated with delay-frequency offset information of M TRSs.

QCL indication method and related device

A power control method and apparatus are disclosed. The method is applied to a terminal that has a capability of supporting a configuration with a plurality of control resource set pool indexes and/or that is configured with the plurality of control resource set pool indexes. The method includes receiving a first physical downlink control channel (PDCCH) sent by a network device, where the first PDCCH carries a power offset corresponding to a physical uplink shared channel (PUSCH). The method further includes determining a transmit power based on a power control process corresponding to the network device, where the power control process is used for accumulating power offsets indicated by the network device, and determining the transmit power for the PUSCH based on an accumulation result. The method further includes sending the PDCCH to the network device at the transmit power.

Power control method and apparatus

A method and apparatus are provided for determining a transmission mode. A method embodiment includes obtaining, by a terminal device, configuration indication information, the configuration indication information comprising one or more of: DMRS indication information, repeated-transmission indication information, or transmission configuration indication information; and determining a transmission mode based on the configuration indication information, the transmission mode is one or more of: a space division multiplexing mode, a frequency division multiplexing mode, or a time division multiplexing mode.

Method for determining transmission mode and apparatus

This application provides a multi-downlink control information (DCI)-based transmission method. In the method, a terminal reports information about a capability of the terminal to support multi-DCI transmission, or a network device sends indication information of the types or the quantity of multi-DCI-based transmissions to a terminal. The network device performs resource scheduling on the terminal on this basis, thereby helping improve resource scheduling efficiency and reduce processing complexity of the terminal. In addition, this application also provides a corresponding solution for a scenario in which a carrier aggregation/dual connectivity (CA/DC) DCI-based transmission scenario coexists with multi-DCI (DCI)-based transmission, thereby helping the terminal share a multi-DCI DCI-based transmission capability and a CA/DC (DCI)-based transmission capability to improve a processing capability of the terminal.

Multi-downlink control information based transmission method, device, system, and storage medium

This disclosure provides communications methods and apparatuses. In an implementation, a terminal device performs operations comprising: receiving first configuration information from a network device, wherein the first configuration information indicates a configured quantity of physical downlink control channel (PDCCH) candidate locations in a time unit corresponding to a first control resource set (CORESET) group of a plurality of CORESET groups in a target cell, and determining, based on the configured quantity and a first quantity, a quantity of PDCCH candidate locations for PDCCH detection in the time unit corresponding to the first CORESET group, wherein the first quantity is a preset quantity of PDCCH candidate locations in a time unit corresponding to a CORESET group in the target cell.

Communication method and communications apparatus

Example frequency domain resource allocation methods and apparatus are described. One example method includes determining M frequency domain resources according to a predetermined frequency domain resource allocation rule, and performing communication on one or more of the M frequency domain resources. Any two of the M frequency domain resources do not overlap. Each of the M frequency domain resources is associated with one piece of quasi-colocation (QCL) information, and any two of the M frequency domain resources are associated with different QCL information.

Frequency domain resource allocation method and apparatus

This disclosure provides a communication method to implement a function of a hybrid automatic repeat request (HARQ) feedback codebook in a multi-station scenario. A terminal device receives a configuration group identifier, determines a physical downlink shared channel (PDSCH) reception occasion corresponding to the configuration group identifier, and transmits feedback information of the PDSCH reception occasion based on the configuration group identifier corresponding to the PDSCH reception occasion and according to a predetermined rule of feedback sorting.

Example data transmission methods and apparatus are described. One example method includes determining an actual transmit power for first uplink data by a terminal device based on a determined channel transmit power and a transmission parameter. The actual transmit power is less than or equal to the channel transmit power, and the transmission parameter includes one or more of parameters that can be used to indicate a location of the terminal device. The terminal device sends the first uplink data at the actual transmit power. Therefore, the terminal device may determine the actual transmit power for the uplink data based on the channel transmit power and various transmission parameters that can indicate whether the terminal device is located at a cell edge, so that the actual transmit power for the uplink data can be flexibly adjusted.

Data transmission method and apparatus

This disclosure provides a method for determining a transport block size (TBS) of a transport block and a communications apparatus. The method includes: A communications apparatus determines a data block size corresponding to each of n code words, where the n code words correspond to a same transport block, and n is an integer greater than 1; and then, the communications apparatus determines a TBS of the transport block based on a data block size of one or more of the n code words.

Method for determining transport block size and communications apparatus

This application provides a reference signal transmission method and an apparatus, used in a multipoint coordination transmission scenario. In one example method, a frequency domain resource that carries a target reference signal in a frequency domain resource or a time domain resource that is associated with each QCL assumption may be separately determined, and then the target reference signal carried on the frequency domain resource that is associated with the QCL assumption is separately received by using the corresponding QCL assumption.

Reference signal transmission method and apparatus

Example communication methods and communications apparatus are described. One example method include: receiving downlink control information (DCI), where the DCI indicates N demodulation reference signal (DMRS) ports. The N DMRS ports correspond to each of M physical downlink shared channel (PDSCH) transmission units, at least two of the M PDSCH transmission units correspond to different transmission configuration indicator (TCI)-states, N is an integer greater than or equal to 1, and M are integers greater than or equal to 2. M PDSCHs are received based on the DCI.

This application provides an information transmission method and apparatus. The method includes: receiving, by a terminal device, a plurality of downlink data channels, where the plurality of downlink data channels are scheduled through a plurality of downlink control channels; determining, by the terminal device based on the plurality of downlink data channels, one or more pieces of feedback information corresponding to at least two downlink data channels; and sending, by the terminal device, the one or more pieces of feedback information through a same uplink control channel.

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Shanghai, China

Liuliu Ji