Huawei Technologies Co., Limited

Jinlin Peng

Hao Tang

Zhenfei Tang

Fan Wang

Pengpeng Dong

Peng Zhang

Jiehua Xiao

Yi Bin Wang

Zhe Liu

Guohua Zhou

Ting Wang

Zongjie Wang

Javad Abdoli

Meng Hua

Yi Wang

Xinxian Li

Yubo Yang

Xinghua Song

Zhang Zhang

Zhongfeng Li

Jian Wang

Shengyue Dou

Mengying Ding

Hua Li

Shurong Jiao

Yongzhao Cao

Yi Long

Zijie Xu

Yu Gao

Xueru Li

Haitao Liu

Haibao Ren

Yifan Xue

Toufiqul Islam

Xianda Liu

Zhi Bin Li

Yibin Zhuo

Fei Gao

Bai Du

Wenquan Hu

Longbao Wang

Pan Chen

Zhi Li

Pinlu Yang

Liehai Liu

A communication method and apparatus are provided. The communication method includes: A terminal receives, from a network device, configuration information indicating a first time-frequency resource and downlink control information indicating a second time-frequency resource. The first time-frequency resource cannot be used to transmit a downlink data channel and a demodulation reference signal for the downlink data channel, and the second time-frequency resource includes a resource used to transmit the downlink data channel and the demodulation reference signal for the downlink data channel. When determining that a time domain resource of the first time-frequency resource includes a time domain resource of the second time-frequency resource, the terminal receives the downlink data channel and the demodulation reference signal for the downlink data channel on a third time-frequency resource.

Communication method and apparatus for transmitting more PDCCHs and improving resource usage

A downlink transmission method includes determining a time domain position of at least one first transmission resource in resources of a downlink data channel. When the at least one first transmission resource is a plurality of first transmission resources, start positions of time domain positions of the plurality of first transmission resources are the same. The at least one first transmission resource can be used to transmit downlink control information. The method also includes determining, based on the time domain position of the at least one first transmission resource and time domain positions of the resources of the downlink data channel, a condition satisfied by the at least one first transmission resource. The method further includes determining a transmission mode of the downlink control information and/or the downlink data channel in the resources of the downlink data channel based on the condition.

Downlink transmission method and apparatus

Embodiments of this application relate to the communications field, and disclose a parameter configuration method, to resolve a problem of how to determine a parameter of a second-type bandwidth part BWP in a case of a discrete spectrum. A solution includes: for the parameter of the second-type BWP, determining a parameter determining rule based on a parameter type of the second-type BWP, where the second-type BWP includes N frequency domain resources, N is a positive integer, and N is greater than or equal to 2; and determining a parameter value of the second-type BWP according to the parameter determining rule. The embodiments of this application relate to a process of configuring the parameter of the second-type BWP.

Parameter configuration method and apparatus

A communication method and apparatus, the method including receiving first indication information sent by a network device, where the first indication information is used to indicate a time domain position of a demodulation reference signal (DMRS) set on a physical downlink shared channel (PDSCH), and the DMRS set includes N DMRSs, where a quantity of candidate PDSCHs that meet a first condition in M candidate PDSCHs of the PDSCH is greater than or equal to a first threshold, receiving second indication information sent by the network device, where the second indication information is used to indicate a first PDSCH, and receiving, on the first PDSCH based on the first indication information and the second indication information, data sent by the network device.

Communication method and apparatus

A communication method and apparatus improve accuracy of correcting a frequency offset. Configuration information received from a network device provides for configuring one or more uplink reference signal resources each including a first time unit and a second time unit. The first time unit includes a first antenna port. The second time unit includes a second antenna port. An uplink reference signal is sent to the network device based on the configuration information.

This application relates to the field of communication technologies, and provides a communication method and apparatus. The method includes: A terminal device receives first downlink control information DCI from a network device through a first physical downlink control channel PDCCH. The first DCI includes a first time domain resource assignment TDRA indicator field, and the first TDRA indicator field is used to indicate a first time domain resource. The terminal device receives or sends data on a second time domain resource after determining the second time domain resource based on a time domain position of the first PDCCH and the first time domain resource. The first time domain resource is different from the second time domain resource. The method is applied to a time domain resource assignment process of the data scheduling.

A method includes sending, by a network device, first configuration information, and sending, by the network device, second configuration information. The first configuration information is useable to map a first reference signal to a first resource element set in a first time element. The first resource element set includes at least a first resource element. The second configuration information is useable to map a second reference signal to a second resource element set in a second time element. The second resource element set includes at least a second resource element. A frequency domain resource occupied by the first resource element overlaps a frequency domain resource occupied by the second resource element in response to the first time element and the second time element overlapping each other in a time domain.

A communication method and an apparatus are provided. The method includes: A communication apparatus may send uplink capability information to a network device, where the uplink capability information includes at least one of the following: a maximum quantity of uplink carriers configured for the communication apparatus, a maximum quantity of uplink carriers supported by the communication apparatus, and a maximum quantity of channels supported by the communication apparatus. Further, the communication apparatus receives first information from the network device, where the first information indicates an uplink carrier used for uplink transmission, and performs uplink transmission with the network device on the uplink carrier. The communication apparatus may be a terminal device.

Embodiments of this application provide a method for processing information bits in a wireless communication network. A communication device receives a radio resource control (RRC) signaling, wherein the RRC signaling comprises time window information and time unit format information, wherein the time window information comprises a hybrid automatic repeat request (HARQ) time sequence K1 set, wherein K1 is a time relationship between a time unit of a physical downlink shared channel (PDSCH) and a time unit of a physical uplink control channel (PUCCH), or wherein the K1 is a time relationship between a time unit of a (PDSCH) and a time unit of a physical uplink shared channel (PUSCH). The device determines HARQ feedback information based on the time window information and the time unit format information and sends the HARQ feedback information.

Method for determining feedback information, terminal device, and network device

This application discloses a communication method that includes: receiving first control information of a first bandwidth part (BWP) and second control information of a second BWP, and receiving a first data channel and a second data channel based on the first control information. The first BWP includes a first frequency domain resource and a second frequency domain resource. The second BWP includes a third frequency domain resource, and the third frequency domain resource and the second frequency domain resource overlap. The first data channel is located on the first frequency domain resource, and the second data channel is located on the third frequency domain resource. The foregoing method provides a manner of transmitting data on the first and second BWPs that partially overlap.

This application relates to the field of communications technologies, and discloses a data scheduling method and an apparatus. The data scheduling method includes: sending, by a network device at a first time domain position, scheduling information to a terminal device, and sending or receiving, at a second time domain position, data scheduled by using the scheduling information, where the first time domain position and the second time domain position are located on different carriers, or the first time domain position and the second time domain position are located on different BWPs. The second time domain position may be determined based on an end position of the first time domain position and/or a capability of the terminal device.

Data scheduling method and apparatus

This application provides a data transmission method and a related apparatus. The method includes determining, by a first node, a transmission periodicity, where the transmission periodicity includes a first time unit and a second time unit. In the transmission periodicity, data of a first service is transmitted in only the first time unit, and a physical signal is transmitted in the second time unit. The method further includes transmitting, by the first node, the data of the first service in the first time unit, and/or transmitting the physical signal in the second time unit.

Data transmission method and apparatus

This application provides a secondary cell control method and an apparatus. The method includes: A terminal device receives control information in a time unit n, where the control information may include an activation command for a first secondary cell or a deactivation command for a first secondary cell. When the control information includes the activation command for the first secondary cell, first information of the first secondary cell is sent in a time unit n+k, where k is determined based on a first frame structure parameter configured for the terminal device, and both n and k are positive integers. The first information may be a CSI report.

Secondary cell control method and apparatus

This application provides an example method and an example apparatus for generating hybrid automatic repeat request (HARQ) information. The method includes receiving, by a terminal device, a first message sent by a network device. The first message is used to indicate that there are a plurality of active bandwidth parts (BWPs) in a cell or that there are M BWP groups in the cell, the M BWP groups may be obtained by dividing, by the network device, N configured BWPs, any BWP group includes an active BWP, M and N are integers greater than or equal to 2, and M is less than or equal to N. The method also includes generating, by the terminal device, HARQ information based on the plurality of active BWPs or the M BWP groups.

Method and apparatus for generating hybrid automatic repeat request HARQ information

A signal demodulation method, a signal transmission method, and a related apparatus. The signal demodulation method includes: a terminal device receives a first tracking reference signal from a first transmission reception apparatus of a single frequency network cell; a second tracking reference signal occupying different time-frequency from the first tracking reference signal from a second transmission reception apparatus of the single frequency network cell; and receives indication information indicating tracking reference signals from the first transmission reception apparatus or the second transmission reception apparatus; determines, based on the one or more tracking reference signals for receiving the downlink signal, a first carrier frequency on which the downlink signal is to be received; receives the demodulation reference signal and the downlink data based on the first carrier frequency; and demodulates the downlink data based on the demodulation signal.

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Shanghai, China

Jinlin Peng