Flow device and method of network switch of mobile communication terminal
A mobile communication terminal and network switching technology, which is applied to the streaming device and field of mobile communication terminal network switching, can solve the problems of not setting data transmission speed, data transmission error, inability to effectively use network data transmission speed, etc., to avoid data transmission. Transmission errors, the effect of improving the quality of service
Inactive Publication Date: 2007-11-28
LG ELECTRONICS (CHINA) R&D CENT CO LTD
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[0027] However, in the prior art streaming method structured as above, in the state where the network optimum data transmission speed of the streaming server 50 is confirmed and the corresponding data file is transmitted to the mobile communication terminal 10, even if the mobile communication terminal 10 Mobility characteristics lead to the network switching phenomenon, and the mobile communication terminal 10 and the streaming server 50 will also be unable to identify the network switching situation
[0028] A data transmission error occurs or the data transmission speed of the network cannot be effectively used because the data transmission speed suitable for the optimal state of the currently switched network is not set.
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[0103] The streaming device and method for network switching of a mobile communication terminal in the present invention will be described below with reference to the accompanying drawings.
[0104]Fig. 3 is the schematic diagram of the network switching state that occurs in the mobile communication terminal in the present invention; Fig. 4 is the network switching flow device functional structure diagram of the mobile communication terminal in the present invention; Fig. 5 is the network switching flow using the mobile communication terminal in the present invention Flow chart of the method; FIG. 6 is a flow chart of the method for network switching of the stream server in the present invention; FIG. 7 is a schematic diagram of the information structure of the network switching APP information packet of the mobile communication terminal in the present invention.
[0105] The network switching state of the mobile communication terminal of the present invention will be described...
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The invention relates to a flow device and method of network switch of mobile communication terminal, which allows the mobile communication terminal to still maintain the best data transmission speed and continue to receive the flow services, when the NETWORK HAND-OVER is carried out in during receiving the flow services. It include: a beginning step of connecting the mobile communication network with the flow server, when using the mobile communication terminals to receive the flow services; a retrieval step of researching the flow server document, transmitting the request packet delivery operation of the APP information, and determining whether the incident signal is detected; and incident step of running time range to the rest of the confirmed flow services when detecting the incident signal, recording the Range head the information portion, and transmitting the flow server together with the incident signal; and a flow step of transmitting the APP information packets recoeding with the best transmission speed of the switching network after the detected incident occurs, to the flow server to continue the flow services until the end of the flow services.
Description
technical field [0001] The present invention relates to a streaming device and method for network switching of a mobile communication terminal. When a mobile communication terminal receives streaming data service through a connected network and switches (HAND-OVER) to a network with a different transmission speed, the streaming server sets the corresponding optimal data. Transmission speed, so that streaming services can continue to be provided without errors, especially using the Range header information and RTP APP packets in the Real Time Streaming Protocol (RTSP: Real Time Streaming Protocol) format, and connecting the most The best data transfer speeds continue to provide streaming services. Background technique [0002] When the mobile communication terminal (UE: USER EQUIPMENT) moves freely within the service area (SERVICE AREA) formed by the corresponding base station (RAN: RADIO ACCESS NETWORK) of the registered mobile communication network (NETWORK), it is received...
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IPC IPC(8): H04Q7/22H04Q7/38H04W84/00H04W4/00
CPCH04W36/14H04W36/24H04W88/06
Inventor 申昌昊
Owner LG ELECTRONICS (CHINA) R&D CENT CO LTD