Huawei Technologies Co., Limited

Yongzhao Cao

Zhongfeng Li

Hao Tang

Hua Li

Ning Wu

Lixia Xue

Ting Wang

Xu Zhang

Zhenfei Tang

Yi Bin Wang

Jianguo Wang

Zhe Liu

Yi Qin

Yuanjie Li

Xinxian Li

Hao Sun

Ruiqi Zhang

Chi Zhang

Jinlin Peng

Youtuan Zhu

Jianqin Liu

Fan Wang

Zhang Zhang

Liang Jie Xu

Shengyue Dou

Yi Wang

Xin Zeng

Jiehua Xiao

Zhi Bin Li

Yafei Wang

Fangfu Guo

Chengzhi Zhu

Tianyu Liu

Jibin Wang

Huiwu Shi

Zhenghua Tang

Liang Xu

Zhi Li

Lei Gu

Shaofeng Sun

Dan Shuai

Bingqin Feng

Xianyong Ji

This application provides a radio broadcast beam coverage enhancement method and apparatus. In some embodiments, the method includes: a base station determines at least one target traffic beam, where in an area covered by the at least one target traffic beam, data channel quality of at least one terminal is higher than a first threshold, and broadcast channel quality is lower than a second threshold. The base station transmits N first SSB beams in at least one BWP, where the N first SSB beams cover the area covered by the at least one target traffic beam, and N is an integer greater than or equal to 1. According to the foregoing method in this application, the at least one BWP can be configured for the area covered by the target traffic beam, to enhance an SSB signal in the area, so that the terminal can access a cell.

Radio broadcast beam coverage enhancement method and apparatus

A control information sending/receiving method and device are provided, to implement indicating a time-frequency location of a control channel to a terminal device in a 5G NR system or a future evolved LTE system. The method includes: receiving, by a terminal device, broadcast information; determining, from at least two predefined time-domain locations, a time-domain location of a broadcast channel carrying the broadcast information; determining a time-domain location of a control channel based on the time-domain location of the broadcast channel; and performing control channel detection in the determined time-domain location of the control channel.

Control information sending/receiving method and device

Embodiments of this application disclose a carrier configuration method and a related apparatus, so that a terminal device can fully use a spectrum resource when the spectrum resource is greater than a maximum carrier bandwidth at a subcarrier spacing. Specifically, the method includes: A radio access network device obtains an available spectrum resource bandwidth and a maximum carrier bandwidth at a subcarrier spacing. If the available spectrum resource bandwidth is greater than the maximum carrier bandwidth, the radio access network device configures a first carrier and a second carrier, where a sum of a first carrier bandwidth of the first carrier and a second carrier bandwidth of the second carrier is greater than the available spectrum resource bandwidth, and the sum of the first carrier bandwidth and the second carrier bandwidth minus an overlapping bandwidth between the first carrier and the second carrier equals the available spectrum resource bandwidth.

Carrier configuration method and related apparatus

Embodiments of this application provide a data transmission method and a device. The method includes: obtaining, by a terminal, first indication information or second indication information, where the first indication information is used to indicate that a reference signal is carried in a resource unit, and the second indication information is used to indicate that no reference signal is carried in a resource unit; and performing, by the terminal, data transmission according to the first indication information or the second indication information. The reference signal can be properly configured in the embodiments.

Data transmission method and device

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.

Communication method and apparatus

A transmit power allocation method includes determining, at a current resource location, a first target band within coverage of a network device. A transmit power for executing a service on the first target band is less than a transmit power allocated to the first target band. The first target band is one of a plurality of bands within the coverage of the network device. The method also includes allocating, to a second target band, at least a part of the transmit power allocated to the first target band. The second target band is within the coverage of the network device and different from the first target band. At the current resource location, a total transmit power allocated within the coverage of the network device is less than or equal to an electromagnetic field (EMF) transmit power of the network device.

Transmit power allocation method, network device, and storage medium

Example channel state information (CSI) transmitting methods and apparatus are described. The CSI is a part of uplink control information (UCI) and it includes a first quantity of bits. One example method includes determining a threshold code rate according to a modulation and coding scheme (MCS) index when the CSI is to be transmitted on a physical uplink shared channel (PUSCH) without uplink data. A second quantity of bits is determined according to the threshold code rate and the first quantity of bits, where the second quantity of bits is less than or equal to the first quantity of bits. The second quantity of bits of the CSI is transmitted on the PUSCH.

Method and apparatus for transmitting uplink control information

A method for obtaining a quantity of resource elements in a communication process, comprising: determines a downlink control information format of downlink control information, obtains, based on the downlink control information format, a quantity of resource elements occupied by a demodulation reference signal (DMRS); and determines a size of transport block (TBS) based on the quantity of resource elements occupied by the DMRS.

Method for obtaining quantity of resource elements in communication process and related apparatus

The application relates to a method for antenna port indication. A terminal receives information indicating an antenna port set of a pilot from a base station. The antenna port set is used for a resource block (RB) set and the pilot is used for data demodulation. The terminal determines the antenna port set based on the received information. By implementing the solution in the application, transmission resource utilization is improved.

Method and apparatus for providing antenna port indication to user equipment

This application discloses methods an apparatuses for sending and receiving uplink control information in the field of communications technology. In some implementations, a terminal device may receive first downlink control information (DCI) from a network device; determine, based on the received first DCI, that an uplink shared channel scheduled by using the first DCI is used to send only uplink control information (UCI); and send first UCI to the network device through the uplink shared channel scheduled by using the first DCI. In other words, the network device indicates to the terminal device by using DCI so that the terminal device can determine, based on an indication of the network device, whether the uplink shared channel scheduled by using the DCI is used to send only the UCI.

Uplink control information sending, uplink control information receiving method, and apparatus

Example uplink control information transmission methods and apparatus are provided. One example method includes receiving first indication information, where the first indication information includes a parameter &#x3b2; and a parameter &#x3b1;. First information is determined based on the first indication information. A quantity of resources for sending uplink control information (UCI) is determined based on first information. The first information includes scheduling information, a ratio of a quantity of bits of the UCI to a quantity of bits of data, a first preset parameter, the parameter &#x3b2;, a quantity of available resources of a physical uplink shared channel (PUSCH), and the parameter &#x3b1;. The parameter &#x3b2; is an offset of the UCI. The parameter &#x3b1; is configured by higher layer signaling and the parameter &#x3b1; is less than 1. The UCI is sent to a network device based on the determined quantity of resources for sending the UCI.

Uplink control information transmission method and apparatus

Embodiments of this application provide a method and an apparatus for transmitting channel state information (CSI). The CSI is a part of uplink control information (UCI) and it includes a first quantity of bits. The method includes: determining a threshold code rate according to a modulation and coding scheme (MCS) index when the CSI is to be transmitted on a physical uplink shared channel (PUSCH) without uplink data; determining a second quantity of bits according to the threshold code rate and the first quantity of bits, where the second quantity of bits is less than or equal to the first quantity of bits; and transmitting the second quantity of bits of the CSI on the PUSCH.

A communications method includes: obtaining first indication information and format information; and determining, based on a transmission direction that is of a sub-time unit in a time unit and that is indicated by the first indication information and a transmission direction that is of the sub-time unit and that is indicated by the format information, whether the time unit is an aggregation time unit. It is determined, based on the transmission direction that is of the sub-time unit in the time unit and that is configured in the first indication information and the transmission direction that is of the sub-time unit and that is configured in the format information, whether the time unit is an aggregation time unit.

Communications method, apparatus, and system to support slot aggregation

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Shanghai, China

Yongzhao Cao