A control method for communicating with an unmanned aerial vehicle (UAV) includes: transmitting a signal from a remote controller to the UAV through a first communication network; monitoring a state of the first communication network; and in response to the state of the first communication network not meeting a state condition: prompting, on an interface of the remote controller, a user to perform a user selection for selecting a cooperative method of the first communication network and a second communication network; receiving the user selection; and performing a network switching according to the selected corporation method to transmit at least a portion of the signal from the remote controller to the UAV through the second communication network.

A control method for communicating with an unmanned aerial vehicle (UAV) includes: transmitting a signal from a remote controller to the UAV through a first communication network; monitoring a state of the first communication network; and in response to the state of the first communication network not meeting a state condition: prompting, on an interface of the remote controller, a user to perform a user selection for selecting a cooperative method of the first communication network and a second communication network; receiving the user selection; and performing a network switching according to the selected corporation method to transmit at least a portion of the signal from the remote controller to the UAV through the second communication network.

In an IMS emergency call connection of a call which a user equipment cannot recognize as an emergency call, a user equipment transmits to an IMS an IMS emergency call connection signal of the call which the user equipment cannot recognize as the emergency call, and in a case that a reject or redirection message indicating an emergency call connection is received from the IMS, the user equipment determines whether to transmit the IMS emergency call connection signal again to a core network to which the user equipment is connected or whether to transmit the IMS emergency call connection signal again to another core network in the same PLMN. Accordingly, a user equipment, a core network apparatus, a control method to be performed by an IMS apparatus, and the like are provided for the user equipment to connect to a network suitable for an emergency call service in the 5th generation (5G) mobile communication system, which is a next-generation mobile communication system.

In an IMS emergency call connection of a call which a user equipment cannot recognize as an emergency call, a user equipment transmits to an IMS an IMS emergency call connection signal of the call which the user equipment cannot recognize as the emergency call, and in a case that a reject or redirection message indicating an emergency call connection is received from the IMS, the user equipment determines whether to transmit the IMS emergency call connection signal again to a core network to which the user equipment is connected or whether to transmit the IMS emergency call connection signal again to another core network in the same PLMN. Accordingly, a user equipment, a core network apparatus, a control method to be performed by an IMS apparatus, and the like are provided for the user equipment to connect to a network suitable for an emergency call service in the 5th generation (5G) mobile communication system, which is a next-generation mobile communication system.

An example system includes a server communicatively connected to a cellular base transceiver station having an RF coverage area and configured for RF communication with a first entity that is a transceiver device in the RF coverage area, wherein the server comprises a first publish-subscribe broker that is part of a publish-subscribe broker network that comprises one or more publish-subscribe brokers, wherein a second entity connected to any of the one or more publish-subscribe brokers in the publish-subscribe broker network accepts communications from the transceiver device if the second entity subscribes to data packets published by the transceiver device, and wherein the data packets published by the transceiver device are routed through the publish-subscribe broker to which the second entity is connected.

A communication method that includes: a terminal transmits data for a first application in a first communications system via a first protocol data unit (PDU) session, where the first PDU session does not support interworking between the first communications system and a second communications system. The terminal moves from the first communications system to the second communications system. After the terminal moves from the second communications system back to the first communications system, the terminal obtains a second PDU session based on at least first transmission information of the first application, and transmits data for the first application in the first communications system via the second PDU session, where the first transmission information includes an identifier of the first application.

In an embodiment, there is provided a method for support of mobile-terminated communication in an Evolved Packet System, towards a User Equipment UE in idle mode using a power saving mechanism whereby the UE is transiently not reachable, the method includes allowing one or more Downlink DL packets received for the UE to be buffered in a Serving Gateway SGW, upon request, for up to a duration referred to as DL buffering duration.

A card-transfer slice switching method, a device and a storage medium are disclosed. The card-transfer slice switching method may include: acquiring a card-transfer slice switching signal (S1000); obtaining a switchable slice according to the card-transfer slice switching signal, an application network usage status of a current card and a preset slice database, the slice database including matching information between the application network usage status and the switchable slice of a target card to be transferred to (S2000); and, performing card-transfer slice switching according to the switchable slice (S3000).

A card-transfer slice switching method, a device and a storage medium are disclosed. The card-transfer slice switching method may include: acquiring a card-transfer slice switching signal (S1000); obtaining a switchable slice according to the card-transfer slice switching signal, an application network usage status of a current card and a preset slice database, the slice database including matching information between the application network usage status and the switchable slice of a target card to be transferred to (S2000); and, performing card-transfer slice switching according to the switchable slice (S3000).

A method, an equipment and a system for handing over a cell in a communication system supporting carrier aggregation. The method includes: when a terminal in the communication system moves to the edge of the currently serving cell, the terminal selects one or more neighbor cells from one or more neighbor cells as measurement objects according to the carrier aggregation manner of the one or more neighbor cells; the terminal measures the capabilities of the measurement objects, and obtains one or more measurement results; and the terminal sends a source base station which currently serving the terminal one or more measurement results as capability measurement reports of the one or more neighbor cells. Also provided are an equipment for handing over a cell in a communication system supporting carrier aggregation, a terminal including the said equipment and a communication system including the said terminal.