Huawei Technologies Co., Limited

Huawei Technologies,co., Ltd.

Nokia Technologies Oy

Future Wei Technologies, Inc.

Bingzhao Li

Wei Quan

Jian Zhang

Xiaodong Yang

Zhenxing Hu

Lei Chen

Jinhua Miao

Bin Xu

Yongqiang Gao

Zhenzhen Cao

Hong Wang

Xuelong Wang

Li Chai

Haibo Xu

Yan Wang

Chuanfeng He

Lei Guan

Haifeng Yu

Jian Wang

Yi Guo

Xiaoxiao Zheng

Zongjie Wang

Xiaolong Guo

Yue Li

Nathan Edward Tenny

Hongping Zhang

Jing Lan Chen

Fei Yang

Junren Chang

Bin Chen

Xiao Xiao

Xueli Ma

Song Zhu

Qinghai Zeng

Meng Li

Bo Lin

Yongxia Lyu

Jianghua Liu

Fan Wang

Ye Liu

Xiaoying Xu

Yanmei Yang

Wanqiang Zhang

Tingting Geng

Jiafeng Shao

He Li

Xiangdong Zhang

Jing Chen

Yanyan Chen

Weihua Liu

Kun Yan

Xuanyu Guo

Chuting Yao

Yuliang Zhi

Jun Du

Qucai Chen

Chunchun Lv

Yiru Kuang

Zonghui Xie

Li Hu

Baokun Shan

Xudong Yang

Cuili Ge

Jinhuan Xia

Yao Hua

Yu Gong

Aimin Justin Sang

Qian Zhang

Xun Tang

Shengyu Li

Li Chen

Xing Li

Hong Tao Wang

Odile Rollinger

Jun Chen

Guangsheng Pan

Huiping Shan

Liwei Qiu

Boya Lv

Honglin Chai

Dandan Zhang

Hongjian Yang

Guohua Yu

Daoming Liu

Xing Chen

Lingshuai Kong

Tingyu Xin

Zhaoqing Yang

The present invention discloses a communication method and an apparatus. One example method includes: sending feedback information to a network device, where downlink control information (DCI) for scheduling the first data packet is scrambled by group radio network temporary identifier (G-RNTI); receiving a second information, where the second information comprises a discontinuous reception (DRX) configuration information corresponding to a first unicast service, the DRX configuration information corresponding to the first unicast service comprises duration of a second downlink HARQ RTT timer and duration of a second downlink DRX retransmission timer; starting the second downlink HARQ RTT timer at a first moment after an end of sending the feedback information; monitoring, based on DRX configuration information, a Physical Downlink Control Channel (PDCCH) for scheduling information of a data packet of the first multicast service, where the scheduling information is scrambled by the C-RNTI.

Communication method and apparatus

A first network device determines a first parameter for a first multicast service. The first network device sends the first parameter to a network device corresponding to at least two cells, where the at least two cells are associated with the first multicast service, and the first parameter indicates a resource for transmission of the first multicast service.

Communication method and device

This application provides a communication method, an apparatus, and a communications system, and relates to the field of communications technologies. A terminal device receives system information broadcast by a network device, and determines a bandwidth of an initial BWP based on the system information. The system information includes first indication information. The first indication information indicates that the bandwidth of the initial BWP used for the terminal device is a first bandwidth or a second bandwidth. The first bandwidth is indicated by using a first bandwidth parameter carried in the system information. The second bandwidth is a bandwidth of a CORESET 0. The CORESET 0 is used to schedule the system information.

Resource configuration method and apparatus

Embodiments of this application provide a communication method and a device. The communication method and the device may be used in the field of a communication technology that supports a reduced capability terminal device, for example, weak-capability UE or MTC UE. The method includes: A first network device determines that a type of a first terminal device is a first type. The first network device sends a handover request message. The handover request message includes first indication information. The first indication information includes identifier information of the first type. The first network device receives a handover acknowledgment message or a handover preparation failure message.

Embodiments of the present invention disclose a communication method and apparatus. an example method includes: setting up a first radio bearer for a first terminal device, where the first radio bearer is used to transmit a first service; allocating a first RNTI and a second RNTI to the first terminal device, where the first RNTI is used to schedule a service for the first terminal device, and the second RNTI is used to schedule the first service for a group of terminal devices including the first terminal device; and scheduling a data packet of the first service for the first terminal device on the first radio bearer by using the first RNTI and the second RNTI.

Scheduling a data packet by using radio network temporary identifier

This application provides a paging message detection method and apparatus, and a communication device. A first access device determines a first resource when the first access device is to send a radio access network paging message to a first terminal device in an inactive state, where the first resource is to carry a first wake-up signal; and the first wake-up signal is to indicate the first terminal device to detect downlink control information for scheduling the paging message that is carried by a first paging occasion resource. The first access device sends the first wake-up signal to the first terminal device on the first resource. The first access device sends, on the first paging occasion resource, the downlink control information for scheduling the paging message. In this way, power consumption of the terminal device can be reduced, and electric energy can be saved.

Paging message detection method, apparatus, and communication device

A communication method includes receiving, by a terminal device, first indication information from an access network device, determining a target bandwidth part (BWP) from a plurality of initial BWPs based on the first indication information, and monitoring a paging message in the target BWP. The plurality of initial BWPs are useable to page the terminal device that has not established a radio resource control (RRC) connection to the access network device.

A method and an apparatus are provided. The method includes: An access network device sends DCI for a paging message to a terminal device, where the DCI includes scheduling information for downlink data. The access network device further sends first indication information included in the paging message to the terminal device, wherein the first indication information indicates that first downlink data corresponds to the terminal device. Therefore, when determining that there is downlink data to arrive, the terminal device determines a time-frequency location of the downlink data based on the scheduling information that is for the downlink data and that is in the DCI, and then receives the downlink data at the time-frequency location. According to the method and the apparatus provided in this application, a small amount of downlink data is transmitted, resource utilization is improved, and power consumption of the terminal device is reduced.

Data transmission method and apparatus

A method includes a first access network device that sends first indication information to a second access network device. The first indication information indicates information about a current active BWP and/or transmission rate information of a terminal device on the first access network device. The second access network device determines information about a first-time active BWP and/or BWP configuration information of the terminal device on the second access network device based on the first indication information. The method may be used to enable the second access network device to determine the appropriate information about the first-time active BWP and/or the appropriate BWP configuration information of the terminal device on the second access network device. In this way, service interruption caused by switching of an active BWP is reduced, and/or service interruption caused by changing of a BWP configuration is reduced.

Communication method, apparatus, and system

Embodiments of the present invention disclose a mobility management method, user equipment, and a base station. The mobility management method may include: receiving, by user equipment UE in a connected mode, a source identifier of the UE from a first base station, where the source identifier is used to uniquely identify the UE in the first base station; entering, by the UE, a low-overhead state after a low-overhead activation condition is satisfied, where in the low-overhead state, the UE stores a connection context of the UE in the connected mode, and camps on a cell according to a cell reselection criterion during movement; and reporting, by the UE when a first preset condition is satisfied, the source identifier to a second base station to which a second cell belongs, where the second cell is a serving cell on which the UE currently camps.

Mobility management method, terminal, and base station

This application provides a communication method and a related apparatus, which are applied to the multicast field, and in particular, relate to a multimedia broadcast multicast service MBMS. In this method, a terminal device receives, from a target base station to which the terminal device is handed over, at least one first data packet that is of a first service and that is sent in a transmission mode, and receives first indication information from the first base station. The terminal device sends a part of or all data packets in the at least one first data packet to an upper layer entity of the terminal device based on the first indication information.

Multicast sending and receiving method and apparatus

This application provides a cell reselection method, a terminal device, and a network device. The terminal device may be a low-bandwidth terminal device, so that a time period for the terminal device to perform cell reselection is reduced, and power consumption of the terminal device is reduced. The method includes: The terminal device receives first indication information sent by the network device, where the first indication information indicates information about an initial bandwidth part of a first cell, the first cell is a neighboring cell of a second cell, and the second cell is a cell on which the terminal device currently camps. The terminal device determines, based on a type of the terminal device and the first indication information, whether to reselect to the first cell.

Cell reselection method, terminal device, and network device

Embodiments of the present disclosure disclose a communication method, an apparatus, and a system. The communication method includes: receiving, by a terminal device, a context identifier sent by a second radio access network device, and sending, to a first radio access network device, a first message that includes the context identifier; receiving, by a core network device, a second message sent by the first radio access network device, and sending, to the second radio access network device, a message that includes the context identifier; and receiving, by the core network device, context information of the terminal device that is sent by the second radio access network device, and sending the context information to the first radio access network device. Therefore, communication between the first radio access network device and the second radio access network device is ensured, and working efficiency is improved.

This application provides a data transmission method and an apparatus, and relates to the field of communication technologies. One example data transmission method includes: receiving scheduling information from a first communication apparatus; determining transmission indication information based on the scheduling information; receiving, based on the scheduling information, a first transport block from the first communication apparatus, and determining first hybrid automatic repeat request (HARQ) information of the first transport block; and determining a first HARQ process based on the first HARQ information and the transmission indication information, and allocating the first transport block to the first HARQ process.

Data transmission method and apparatus for a HARQ operation

A method includes that a terminal receives first indication information from a network device, where the first indication information is used for early data transmission, and the first indication information includes slot aggregation information of a physical uplink shared channel PUSCH in a random access procedure; and the terminal performs early data transmission based on the first indication information. Slot aggregation of a PUSCH is used to implement early data transmission of a large data packet.

Growing community of inventors

Beijing, China

Bingzhao Li