Huawei Technologies Co., Limited

International Business Machines Corporation

Beijing Xiaomi Mobile Software Co., Ltd.

Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Xin Xiong

Haifeng Yu

Bo Lin

Feng Yu

Weiwei Song

Zhenzhen Cao

Mingchao Li

Yinghui Yu

Guanglin Han

Song Zhu

Yan Wang

Bin Xu

Xiaolong Guo

Xiao Xiao

Xuelong Wang

Zhenglei Huang

Lixue Zhang

Yanmei Yang

Yongxia Lv

Qing Fa Wang

Yue Li

Shiyong Tan

Chao Xue

Yi Shi

Yong Hua Lin

Weihua Zhou

Mingzeng Dai

Jing Han

Lei Wan

Tao N Zhang

Weiliang Zhang

Wanqiang Zhang

Wenjie Peng

Xiaotao Ren

Zhiyu Yan

Yu Chen

Yuan He

Yuan Xia

Dengkun Xiao

Hengzhen Liang

Yuhua Chen

Changyu Sun

Guangwei Yu

Zhenwei Lu

Rongcheng Liu

Xuehuan Wang

Weihua Liu

Xiong Xiong

Yao Hua

Qiyong Zhao

De Chen

Guanchen Li

Junxian Mo

Fei Jiang

Ping Qian

Xiaorui Zheng

Jingdong Peng

Tongwei Qu

The present disclosure relates to communication methods in multi-rat dual connectivity, apparatus, and systems. In one example method, when a packet data convergence protocol sequence number (PDCP SN) length of a bearer is changed, a secondary node (SN) sends a PDCP SN length change indication to a master node (MN).

Communication method in multi-rat dual connectivity and communications apparatus

The present invention provides a data processing method, a node, a structure, and an apparatus. The method includes: receiving, by an aggregation node, a first non-access stratum message sent by user equipment UE, where the aggregation node includes at least two types of interfaces, and each type of interface is used to receive a first non-access stratum message of one radio access technology RAT type; converting, by the aggregation node, the first non-access stratum message into a non-access stratum message in a first format based on a RAT type of the first non-access stratum message, where the first format is a non-access stratum message transmission format supported between the aggregation node and a core-network control plane entity; and sending, by the aggregation node, the non-access stratum message in the first format to the core-network control plane entity.

Network architecture applicable to flexible deployment scenario

The present disclosure discloses example channel correction methods and devices. One example method includes sending a correction reference signal to at least two antennas in a second remote radio unit (RRU) through at least two antennas in a first RRU by using a first transmit power and a first weight vector. Correction reference signals received by the second RRU are combined into a fifth correction reference signal. A correction reference signal sent by the at least two antennas in the second RRU are received by the first RRU through the at least two antennas in the first RRU. Correction reference signals received by the first RRU are combined into a sixth correction reference signal. A correction coefficient of the transmit and receive channels between the first RRU and the second RRU is calculated using the fifth correction reference signal and the sixth correction reference signal.

Channel correction method and apparatus

Embodiments of this application provide a method for transmitting a random access response, a network device, and a terminal device. The method includes: determining, by an access network device, a Medium Access Control (MAC) protocol data unit (PDU), where the MAC PDU includes at least two MAC subPDUs, the at least two MAC subPDUs include at least a first MAC subPDU, the first MAC subPDU includes a first MAC subheader and a random access response (RAR) corresponding to the first MAC subheader, and the first MAC subheader is located before the RAR corresponding to the first MAC subheader; and sending, by the access network device, the MAC PDU.

Method for transmitting random access response, access network device, and terminal device

A cell handover method and a device are provided, so that a target eNB uses a current serving small node as a user plane serving node after a UE is handed over. The UE and uses the target eNB as a control plane serving node after the handover. The method includes receiving a handover request acknowledgment sent by the target eNB; and sending offloading configuration information of the current serving small node to the current serving small node, and sending RRC reconfiguration information of the UE to the UE, so that offloading configuration is performed separately by the current serving small node and the UE. According to the application, a problem that in a cell handover process, a transmission resource required for transmission increases and a delay is relatively great is avoided, because the current serving small node forwards a large amount of data to the target eNB.

Cell handover method and device

A message transmission method and a message transmission apparatus are provided. The message transmission method includes: obtaining, by a terminal, network congestion control configuration information; processing, by the terminal according to the network congestion control configuration information, a message generated by the terminal, and obtaining the processed message; and sending, by the terminal, the processed message. According to the method, a message generated by the terminal can be processed flexibly to relieve a network congestion problem in the Internet of vehicles.

Message transmission method and apparatus

A method for scheduling an uplink transmission resource, and a device are disclosed. The method includes: determining, by a terminal device, a first scheduling request according to pre-obtained first indication information when a first BSR is triggered because to-be-sent data exists on a first logical channel of the terminal device, where the first indication information is used to indicate a correspondence between a logical channel and a type of a scheduling request, and the first scheduling request includes a type of the first scheduling request; sending, by the terminal device, the first scheduling request to an access network device; and receiving, by the terminal device, first uplink scheduling information sent by the access network device, where the uplink scheduling information is used to indicate a first uplink resource used by the terminal device to send uplink data to the access network device.

Resource allocation and scheduling using a buffer status report (BSR)

This application provides a communication method and a device. The communication method includes: receiving a UL grant from a network device, where the UL grant is used to indicate an uplink transmission resource and transmission characteristic information; determining a first logical channel group, where each logical channel in the first logical channel group is mapped to one or more pieces of transmission characteristic information, and transmission characteristic information to which at least one logical channel in the first logical channel group is mapped matches the transmission characteristic information indicated by the UL grant; and sending a BSR of the first logical channel group to the network device by using the uplink transmission resource.

Communication method and device

This application provides a DRX configuration method, a terminal device, a network device, and a communications system. The DRX configuration method includes: receiving, by a terminal device, N discontinuous reception DRX configurations sent by a network device, where the N DRX configurations respectively correspond to N groups of carriers; and when a DRX status of the terminal device is an active state, if M groups of carriers in the N groups of carriers are activated carriers, monitoring, by the terminal device, a physical downlink control channel on a specified carrier based on M DRX configurations corresponding to the M groups of carriers. In the DRX configuration manner, the terminal device simultaneously uses a plurality of DRX configurations in an overlay manner, thereby meeting quality of service requirements of different services sent by the terminal device. In addition, the terminal device simultaneously uses the plurality of DRX configurations in an overlay manner, so as to reduce unnecessary physical downlink control channel monitoring in a process of monitoring the physical downlink control channel, thereby reducing energy consumption of the terminal device.

DRX configuration method, terminal device, network device, and communications system

Embodiments of the present disclosure disclose devices and methods for sending and/or processing a scheduling request. The scheduling request sending method includes: determining whether there has a first scheduling resource configuration corresponding to the first logical channel according to first indication information, when the first logical channel of a terminal device has to-be sent data and a first scheduling request (SR) is triggered; where the first indication information includes a first mapping relationship which indicates a correspondence between a logical channel of the terminal device and a scheduling resource configuration, and the first scheduling resource configuration includes a first uplink control channel resource corresponding to the first logical channel; and sending the first SR to an access network device by the first uplink control channel resource, when the first logical channel has a corresponding first scheduling resource configuration.

Scheduling request sending method, scheduling request processing method, and related device

Embodiments of the present invention provide a wireless broadband communication method, device, and system. The method provided in an embodiment of the present invention includes: establishing, by a macro base station, a Radio Resource Control (RRC) connection with a user equipment (UE); receiving, by a small cell, a configuration message sent, through a wired or wireless interface, by the macro base station; and establishing, by the small cell, a user plane connection between the small cell and the UE based on the RRC connection and the configuration message, and establishing a data bearer with the UE on the user plane connection.

Wireless broadband communication method, device, and system, for establishing a user plane connection between a small cell and a user equipment

A terminal device can modify, through an RRC link providing a normal service, an RRC link in which an RLF or channel quality deterioration occurs, so that the terminal device maintains RRC links to at least two network devices, thereby ensuring RRC reliability while the failed RRC link or the RRC link whose channel quality is poor is replaced in time. The method includes: sending, by a terminal device, a first link modification request to a first network device through a first RRC link; receiving, by the terminal device, an RRC link modification message and a transmission parameter that are sent by the first network device through the first RRC link; and setting up, by the terminal device, a target RRC link to a target network device based on the transmission parameter, and maintaining both the target RRC link and the first RRC link.

Link setup method, device, and wireless communications system

A method of cell handover, a method for determining an uplink transmit power, and an apparatus are provided, to strengthen control of a network device over a terminal device. The cell handover method includes: receiving, by a terminal device, an early handover command sent by a network device, where the early handover command is used to instruct the terminal device to determine whether to perform a cell handover; measuring, by the terminal device, a downlink signal sent by the network device and/or a downlink signal sent by another network device, and determining, based on an obtained measurement report and a handover condition carried in the early handover command, whether to perform the cell handover; and executing, by the terminal device, a handover command to hand over from a current serving cell to a target cell if the terminal device receives the handover command sent by the network device.

Cell handover method, method for determining uplink transmit power, and apparatus

This application provides a resource scheduling method, an apparatus, and a system, and relates to the field of communications technologies, to meet scheduling requirements of data transmitted on different logical channels. The method includes: sending, by a terminal device, a BSR to an access network device, where the BSR carries first indication information, and the first indication information is used by the access network device to determine a scheduling mode corresponding to a first logical channel; receiving, by the terminal device, a first uplink grant resource sent by the access network device, where the first uplink grant resource is scheduled by the access network device based on the BSR in the scheduling mode; and sending, by the terminal device, to-be-sent data on the first logical channel to the access network device by using the first uplink grant resource.

Data scheduling and transmission for different logical channels

This disclosure provides a measurement method, a terminal device, and an access network device. The method includes: receiving, by a terminal device, a first message sent by an access network device, where the first message includes measurement type information, the measurement type information is used to indicate a first measurement granularity, and the first measurement granularity is one of a cell measurement granularity or a beam measurement granularity; and obtaining, by the terminal device, a measured value of a measurement object corresponding to the first measurement granularity. In the embodiments of this disclosure, by introducing different measurement type information, measurement of different granularities may be implemented, so that the measurement granularity is more refined and measurement results are more accurate.

Measurement method, terminal device, and access network device

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Beijing, China

Xin Xiong