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39results about How to "Guarantee service continuity" patented technology

NTN-TN switching method, apparatus and device, and readable storage medium

The embodiment of the invention provides an NTN-TN switching method and device, equipment and a readable storage medium. The method comprises the steps that a terminal obtains service information of the next moment; the terminal judges whether switching between the NTN and the TN needs to be carried out or not according to the obtained service information at the next moment; and if the switching between the NTN and the TN needs to be carried out, the terminal sends a first message to a source base station, and the first message is used for requesting the switching between the NTN and the TN. In the embodiment of the invention, the switching process is no longer triggered only by the traditional RSRP or RSRQ measurement, and the NTN-TN switching is actively requested to the source base station through the service information of the next moment acquired by the terminal from the application layer; the source base station selects a target base station most suitable for switching for the terminal by comprehensively considering factors such as the moving speed and the moving direction of the terminal and the load condition, the moving speed and the moving direction of the candidate target base station, so that the service continuity of the switching process between the non-ground network and the ground network is ensured.
Owner:CHINA MOBILE COMM LTD RES INST +1

Device and method for simultaneous data transmission service in heterogeneous network

Disclosed is a method for simultaneous data transmission service in heterogeneous networks, comprising: a data splitting step in which a transmission device splits data into two or more partial data; a data transmission step in which the transmission device transmits, through two or more networks, the items of split partial data, each including access information for a virtual network; a data receiving step in which a receiving device receives each of items of the partial data through two or more networks; a first data generation step in which the receiving device generates data by combining the items of partial data on the basis of the virtual network access information accompanying each of the items of partial data received thereby; an abnormality occurrence confirmation step in which the transmission device confirms an occurrence of an abnormality in a particular network among the two or more networks; a data transmission switch step in which the transmission device transmits the partial data, which is transmitted through the particular network, and which includes the access information for the virtual network, is transmitted through another network among the two or more networks to which a switch has been made; a second data generation step in which the receiving device generates data by authenticating the virtual network access information for the partial data received after a switch has been made to another network. Thus, by enabling data transmission and reception through valid networks on the basis of the virtual network access information, even during disconnection from a particular network in a heterogeneous network, continuity of service is guaranteed, and consequently, an efficient and highly reliable simultaneous data transmission service in heterogeneous networks can be achieved.
Owner:SK TELECOM CO LTD
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