Abstract: A method for operating a user equipment (UE) includes detecting an occurrence of an overheating condition in the UE, and based thereon, determining a first set of operating capabilities of the UE from a second set of operating capabilities of the UE, where the first and second set of operating capabilities are associated with a connection between the UE and a network entity, and where the first set of operating capabilities is a reduction in operating capability of the UE when compared to the second set of operating capabilities, triggering a transfer of UE capability information associated with the first set of operating capabilities, and applying, by the UE, the first set of operating capabilities to the connection.

Abstract: Embodiments of this application relate to a communications method and apparatus. An example of the method includes: sending, by a user equipment (UE) to a network device, information used to indicate a first time domain offset and/or information used to indicate low power consumption; and receiving, by the UE, first information sent by the network device, where the first information is used by the UE to determine a first time domain resource allocation.

Abstract: A non-terrestrial network communication method includes: a terminal receives, from a first network device, a message indicating that a satellite that provides a service for a first cell is updated to a second satellite, where the first message includes information used to determine a coverage area of a second cell served by the second satellite on the ground. The terminal determines, based on a location of the terminal and the coverage area of the second cell on the ground, whether the terminal is located within or outside the coverage area.

Abstract: The present invention discloses a phosphine nitrogen ligand with multiple chiral centers and its synthesis method and application. The ligand has the axial chirality of a biaryl skeleton and the central chirality of a chiral amine. The chiral ligand is synthesized from commercially available raw materials through a simple five-step reaction, and the resulting diastereomer can be separated by simple column chromatography or recrystallization. The chiral phosphine nitrogen ligand synthesized by the present invention can catalyze the asymmetric three-component coupling reaction of terminal alkynes, aldehydes and amines, and realize the efficient preparation of chiral propargyl amines with high optical activity.

Abstract: A method includes: determining, by a terminal device, that assistance information of the terminal device can be sent to a first network device through a signaling radio bearer (SRB) 3, wherein the terminal device is connected to at least two network devices, and the first network device is a secondary network device in the at least two network devices; and sending, by the terminal device, the assistance information to the first network device through the SRB3, wherein the assistance information is used to indicate a configuration expected by the terminal device or service information of the terminal device.

Abstract: A user device is configured to transmit and receive signals to and from a network device over a first range of frequencies and implement one or more diverse radio techniques across at least part of the first range, and configured to: receive a request to indicate whether any frequency ranges in the first range are affected by interference between signals of the techniques; and send an indication of one or more frequency ranges in the first range affected by interference between signals of one or more of the diverse radio techniques, the one or more frequency ranges being sub-sets of the first range having a frequency range less than a range of a carrier frequency.

Abstract: The technology of this application relates to a communication method and a communication apparatus. The method may include a terminal device receiving a first wake-up signal, where the first wake-up signal is used to wake up a terminal device group, the terminal device group includes at least two terminal devices, and the at least two terminal devices include the terminal device, and the terminal device accessing a network device based on the first wake-up signal. The network device may wake up a group of terminal devices by sending a wake-up signal. In other words, the group of terminal devices may access the network device based on the same wake-up signal. In this way, resource overheads caused by waking up the at least two terminal devices can be reduced.

Abstract: The method includes: sending, by a first base station, a first message to a second base station, where the first message is used to request to add a data radio bearer DRB; receiving, by the first base station, a second message sent by the second base station, where the second message is used to indicate an identifier of at least one DRB; and sending, by the first base station, first information to user equipment, where the first information includes DRB configuration information, and the DRB configuration information includes the identifier of the at least one DRB. In the embodiments of this application, the first base station can add the DRB based on a radio resource management policy and a network condition of the first base station, to reconfigure a mapping relationship between a QoS flow and the DRB, so that setting of the DRB is more flexible and effective.

Abstract: A positioning method and a communication apparatus are provided. The method includes: A first terminal device obtains first information. The first information includes synchronization information of a second terminal device. The synchronization information of the second terminal device includes synchronization information between the second terminal device and a synchronization source of the second terminal device. The second terminal device is configured to assist in positioning a location of the first terminal device. The second terminal device communicates with the first terminal device through a sidelink. The first terminal device determines location information of the first terminal device based on the first information.

Abstract: A measurement configuration method includes a network device that determines when a bandwidth part (BWP) occupied by a terminal device is switched from a first BWP to a second BWP. The network device sends first information to the terminal device, indicating whether configuration information of a first measurement window takes effect when the terminal device occupies the second BWP and indicating whether the first measurement window is configured for the first BWP.

Abstract: Embodiments of this application disclose a communication method and apparatus, and relate to the field of communication technologies. A first access network node determines to deactivate a secondary cell group SCG or activate the SCG; and the first access network node sends first indication information to a second base station, where the first indication information indicates the second base station to send an SCG deactivation command or an SCG activation command to a terminal, where the first access network node belongs to a first base station, the first base station is a master node or a secondary node of the terminal during dual connectivity communication, and the SCG is one or more cells managed by the secondary node.

Abstract: This application relates to a communication method and device. A remote terminal device receives a first data packet from a relay terminal device by using an SRB1. The first data packet includes a first message and an SRAP header. The remote terminal device removes the SRAP header via an SRAP entity to obtain configuration information. The SRAP entity is determined before the SRAP header is removed. The remote terminal device configures the SRAP entity based on the configuration information. The remote terminal device may predetermine the SRAP entity.

Abstract: An access network device determines to add, for a remote terminal device, a direct path for connecting a first cell. The remote terminal device is connected to a second cell through an indirect path. The access network device sends an RRC reconfiguration message to indicate the remote terminal device to switch to the direct path. The RRC reconfiguration message further indicate not to release the indirect path. When being indicated to switch to the direct path, the remote terminal device may further be indicated not to release the indirect path.

Abstract: This application provides a base station switching method and an apparatus. The method includes: A terminal sends one piece of binding signaling that carries SIM card binding information to a source base station; the terminal switches a plurality of SIM cards from being connected to the source base station to being connected to the target base station; and the terminal sends radio resource control reconfiguration complete information to the target base station, where the radio resource control reconfiguration complete information includes information about the plurality of SIM cards that complete the switching operation.

Abstract: A method and a base station for obtaining a data radio bearer identifier are disclosed. The method includes: the first base station sends a first message to a second base station; receives a second message sent by the second base station; and sends first information to user equipment, where the first message is used to request to add a data radio bearer (DRB), the second message is used to indicate an identifier of at least one DRB, and the first information comprises DRB configuration information including the identifier of the at least one DRB. In this way, the first base station can add the DRB based on a radio resource management policy and a network condition, to reconfigure a mapping relationship between a QoS flow and the DRB, so that setting of the DRB is more flexible and effective.

Abstract: A transmission method and apparatus of a discovery signal and a communication system. The transmission method of a discovery signal includes: determining one or more transmission resources from resource pools according to a sidelink discovery signal needing to be transmitted; and transmitting the sidelink discovery signal by using the one or more transmission resources; wherein the resource pools are segmented in a frequency domain and/or a time domain and hence comprise multiple types. Hence, cases of waste of resources or of impossible carrying may be reduced as much as possible even if sizes of discovery information are different due to different scenarios.

Abstract: Described is a network device (203) configured to operate as a first node in a communications network (200) for a user device (201) initiating a small data transmission communication session through a target node (202) in the communications network (200), the network device (203) being configured to, upon receiving a request from the target node (202), send a message to the target node (202), the message comprising an indication of small data transmission configuration information (401, 506) for the user device (201). A corresponding network device (202) configured to operate as a target node is also described.

Abstract: The present invention provides a data transmission method, a device, and a system, and relates to the field of communications technologies, to resolve a problem that a base station cannot well identify specific remote UE from which data sent by relay UE comes. The method may include: receiving, by relay UE, data of remote UE, where the data includes a first identifier of the remote UE; determining, by the relay UE, a second identifier of the remote UE based on the first identifier; and sending the data of the remote UE and the second identifier of the remote UE to a base station.

Abstract: This application discloses a communication method and a related product. The method includes: sending a first message, where the first message includes a first link configuration parameter, and the first link configuration parameter is used to establish a first link; and receiving a first acknowledgement message sent by a second user terminal, where the first acknowledgement message is used to indicate that the second user terminal completes establishment of the first link to the first user terminal.

Abstract: A discontinuous reception (DRX) parameter configuration method includes a first communication apparatus that sends data to a second communication apparatus on a sidelink based on a DRX parameter. The second communication apparatus determines an active time and a sleep period of the second communication apparatus based on the DRX parameter, and receives the data in the active time.