Abstract: Embodiments of this application disclose an information processing method, a base station, and a terminal. The method includes: receiving, by a master base station, a new radio packet data convergence protocol (NR PDCP) configuration and identification information of a data radio bearer (DRB) corresponding to the NR PDCP configuration from a secondary base station; and sending, by the master base station, the NR PDCP configuration and the identification information of the DRB to a terminal, where the master base station and the secondary base station are base stations of different radio access technologies (RATs).

Abstract: Example communication methods and apparatus are described. One example method includes that a first communications apparatus sends quality of service (QoS) flow information to a second communications apparatus, where a QoS flow indicated by the QoS flow information corresponds to at least one bearer type. The first communications apparatus receives a QoS flow list sent by the second communications apparatus based on the QoS flow information, where each QoS flow list is mapped to a radio bearer. The first communications apparatus sends a radio bearer identifier of the QoS flow list to the second communications apparatus. In the embodiments of this application, a base station itself determines a radio bearer or a DRB used to transmit the QoS flow.

Abstract: Example transmission rate control methods and apparatus are described. One example method includes obtaining a user equipment aggregate maximum bit rate (UE-AMBR) by a master base station. The master base station determines, based on the UE-AMBR, a first UE-AMBR used for the master base station and a second UE-AMBR used for a secondary base station. The master base station sends the second UE-AMBR to the secondary base station, and sends instruction information used to instruct the secondary base station to control data splitting for the master base station to the secondary base station. In this application, a transmission rate between each base station and a UE is controlled by allocating a UE-AMBR.

Abstract: This application provides a failure processing method, a handover method, a terminal device, and a network device, to provide a manner in which a terminal receives an RRC configuration of a secondary network device and feeds back an RRC configuration failure. The method includes: directly receiving, by a terminal device, a first RRC configuration of a secondary network device from the secondary network device; and when the first RRC configuration fails, sending, by the terminal device, first indication information to a primary network device to indicate that the first RRC configuration fails. In addition, when the first RRC configuration fails, the terminal reports one piece of first indication information to the primary network device to indicate that the first RRC configuration fails.

Abstract: This application provides a communication method, a network device, and a terminal. The communication method includes: determining, by a first network device, at least one candidate target cell and first configuration information, where the first configuration information is used to trigger a terminal to determine one of the at least one candidate target cell as a to-be-handed-over-to cell; and sending, by the first network device, a first message to the terminal, where the first message includes first cell indication information and the first configuration information, and the first cell indication information is used to indicate the at least one candidate target cell.

Abstract: A configuration method is provided in a communications system. The communications system includes a master node and a secondary node that jointly provide a service for a terminal. The method includes: the secondary node generates configuration information for a signaling radio bearer (SRB), where the SRB is used to transmit a radio resource control (RRC) message between the secondary node and the terminal; and sends the configuration information for the SRB to the master node, so that the configuration information for the SRB is sent to the terminal through the master node. The secondary node receives a result of configuring the SRB by the terminal by using the configuration information for the SRB. In this way, the SRB can be established on the secondary node, and used for RRC message transmission between the secondary node and the terminal, thereby improving efficiency in radio resource management on the secondary node.

Abstract: This application provides a communication method and a communications apparatus. The communication method includes: receiving, from a second network device, a first message indicating one or both of a first data volume of first data sent from a core network device to the second network device and from the second network device to a terminal and a second data volume of second data sent from the terminal to the second network device and from the second network device to the core network device, wherein the first data and the second data are data of a bearer, data of a flow, or data of a session, and wherein the first network device is a master node and the second network device is a secondary node both connecting to the terminal; sending, to the core network device, a second message indicating one or both of the first data volume and the second data volume.

Abstract: The present invention relates to a polyurethane foam comprising graphene, wherein the polyurethane foam comprises graphene structure and a non-carbon non-oxygen non-hydrogen element. By choosing a specific composite having a carbon nanostructure, the present invention achieves compounding polyurethane via simply mixing with polyether polyol, and then polymerizing with polyisocyanate, omitting the step of compounding the composite having a carbon nanostructure, having a simple process and seamlessly connecting with existing equipment.

Abstract: Embodiments of the present invention provide a wireless local area network WLAN measurement and reporting method, and a related device. The method includes: acquiring, by a user terminal, WLAN group information, where the WLAN group information indicates at least one WLAN group; determining, by the user terminal, whether at least one WLAN in the WLAN group satisfies WLAN measurement configuration information; and reporting, by the user terminal, a measurement result of the at least one WLAN in the WLAN group to a base station when the at least one WLAN in the WLAN group satisfies the WLAN measurement configuration information. Therefore, a signaling resource can be saved, thereby reducing signaling load caused by simultaneous reporting of a large quantity of WLAN measurement results.

Abstract: Example communications methods and systems are described. One example communications system includes a base station supporting connectivity to a core network of the first communications standard and a core network of the second communications standard. One example method includes that a terminal receives information broadcast by the base station. The information includes a first and a second area identities. When the terminal enters a cell served by the base station from a cell of the second communications standard and when the second area identity does not belong to a current area list of the terminal, the terminal initiates an area update to the core network of the second communications standard. The base station broadcasts the area identities of the two communications standards.

Abstract: The present application provides an information transmission method. A first base station sends a context of a terminal to a second base station according to a request of the second base station. The request message of the second base station includes a first identifier, the first identifier is an identifier of the terminal in a non-connected mode in an area configured by the first base station, and the context of the terminal includes a core network-related context. The second base station may perform a corresponding RRC configuration based on the obtained context of the terminal. The first base station uses a RAT different from the second base station.

Abstract: A multi-connectivity communication method includes: a secondary base station receives a first RRC message generated by an RRC entity of an anchor base station and a second RRC message generated by an RRC entity of the secondary base station. The secondary base station sends the first RRC message and the second RRC message to the terminal via an air interface between the secondary base station and the terminal, where a PDCP header, an RLC header, or a newly added adaptation layer carries indication information, the indication information is used to indicate a target RRC entity that generates an RRC message, the target RRC entity is the RRC entity of the anchor base station or the RRC entity of the secondary base station, and the anchor base station and the secondary base station use different radio access technologies.

Abstract: This application discloses an information transmission method in a communication system. According to the method, a master base station sends a request message to a secondary base station for requesting to transfer one or more flows from the master base station to the secondary base station for transmission to a terminal device. The request message carries one or both of identification information of each flow, and information of a data radio bearer (DRB) associated with each flow. The master base station receives a response message from the secondary base station, indicating whether each of the one or more flows is admitted or rejected by the secondary base station. Based on the identification information of the flows, DRBs are mapped to the flows. QoS management of information transmission is more refined, and requirements of 5G communication systems for QoS management of information transmission in a dual connectivity scenario can be met.

Abstract: Embodiments of this application provide a duplication mode communication processing method in a central unit-distributed unit (CU-DU) architecture. In a possible implementation, in a process of establishing a user plane tunnel between a CU and a DU by exchanging information about uplink tunnel endpoints and information about downlink tunnel endpoints, the DU provides an identity of a primary path to the CU, thereby implementing a duplication mode of a data radio bearer.

Abstract: The present disclosure relates to handover methods and apparatus. One example method includes sending, by a base station, a handover request message to a target controller, configuring, by the target controller based on the handover request message, a parameter including connection status information for a user equipment, sending a handover request response message including the parameter to the base station, sending, by the base station, a connection reconfiguration message including the parameter to the user equipment, receiving, by the user equipment, the connection reconfiguration message, and establishing, based on the parameter and in a connection status indicated by the connection status information, a connection to a cell managed by the target controller.

Abstract: This application provides a network access method, an access device, and a terminal device. The access device is connected to at least two different types of core networks. When the terminal device is to connect to a core network, the terminal device sends, to the access device, a first message used to indicate a type of the terminal device. The access device determines the type of the terminal device based on the first message, and determines, based on the type of the terminal device, a target core network to be connected by the terminal device, so that the access device accurately connects the terminal device to the target core network.

Abstract: Embodiments of the present disclosure provide a method for accessing an inter-RAT cell and a related device, and the method includes: sending, by a base station, a first message to a terminal, where the first message is used to instruct the terminal to access an inter-RAT cell, and an LTE cell and the inter-RAT cell are different cells. Beneficial effects are as follows: The first message is sent to the terminal, so that the terminal directly accesses the inter-RAT cell without a need to access the base station. In this way, the terminal does not need to perform a handover procedure, thereby reducing a delay in an access process, effectively ensuring that the terminal can successfully access the inter-RAT cell, and effectively ensuring that a radio access technology new RAT service can be performed between the terminal and a base station of the inter-RAT cell.

Abstract: The present invention relates to a polyurethane foam comprising graphene, wherein the polyurethane foam comprises graphene structure and a non-carbon non-oxygen non-hydrogen element. By choosing a specific composite having a carbon nanostructure, the present invention achieves compounding polyurethane via simply mixing with polyether polyol, and then polymerizing with polyisocyanate, omitting the step of compounding the composite having a carbon nanostructure, having a simple process and seamlessly connecting with existing equipment.

Abstract: The present application discloses a method and an apparatus. In the present application, a radio access network RAN server receives a measurement report from a terminal, determines a target inter-RAT cell of the terminal based on the measurement report, and configures a resource for the terminal in the target inter-RAT cell. The configured resource is a resource to be used by the terminal to access the target inter-RAT cell. The RAN server sends a handover command to the terminal. The handover command is used to instruct the terminal to hand over to the target inter-RAT cell, and the handover command carries an identifier of the target inter-RAT cell and information about the configured resource. In this way, when handover is performed between inter-RAT cells, handover can be implemented without across core networks, thereby reducing signaling exchange between a source core network and a target core network.

Abstract: This application provide example mobility management methods, access network control devices, and communications systems. One example method includes receiving, by an access network control device, a location area request message of user equipment (UE) through a first station, where the UE is located in a cell managed by the first station. The access network control device can configure at least one location area identity list for the UE based on the location area request message, where the location area identity list includes at least one location area identity, and the location area identity is used to identify a location area. The access network control device can then send the at least one location area identity list to the UE through the first station.