A data transmission method, device and system
A data transmission method and technology for serving data, applied in the fields of data transmission methods, equipment and systems, can solve the problems of wearable device messages not being sent in time, increasing network overhead, and disadvantageous data transmission in personal area networks, etc.
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Embodiment 1
[0209] Figure 4 It shows a flowchart of a data transmission method provided by an embodiment of the present invention, the method is applied to a first wearable device in a personal area network, see Figure 4 As shown, the method may include:
[0210] 101. A first wearable device sends a first broadcast message to a second wearable device.
[0211] Wherein, the first wearable device can be any wearable device connected to the main device (such as a mobile terminal) in the personal area network; the second wearable device can be any wearable device connected to the main device in the personal area network except the first Any wearable device other than a wearable device;
[0212]The first broadcast message is used to indicate that the first wearable device can establish a connection with other wearable devices, and can be sent as a global broadcast to all the personal area network including the second wearable device Wearable device; can also be used as a directed broadcas...
Embodiment 2
[0255] Figure 7 shows another data transmission method provided by the embodiment of the present invention, such as Figure 7 As shown, the following steps may be included:
[0256] 201. A second wearable device receives a first broadcast message sent by a first wearable device.
[0257] The first broadcast message is used to indicate that the first wearable device can establish a connection with other wearable devices, and can be sent as a global broadcast to all the personal area network including the second wearable device wearable devices;
[0258] It can also be sent as a directed broadcast only to the second wearable device.
[0259] 202. The second wearable device sends a second broadcast message to the first wearable device.
[0260] Wherein, the second broadcast message is used to indicate that: the second wearable device has a Bluetooth hub function and can be connected with the first wearable device.
[0261] 203. The second wearable device disconnects from th...
Embodiment 3
[0282] Figure 8 Another data transmission method provided by the embodiment of the present invention is applied when the mobile terminal detects that the service data of the first wearable device is forwarded to the second wearable device through the mobile terminal, in order to reduce network overhead; Such as Figure 8 As shown, the method may include:
[0283] 301. The mobile terminal detects that the service data sent by the first wearable device to the mobile terminal is service data forwarded by the mobile terminal.
[0284] 302. The mobile terminal sends a notification message to the first wearable device; the notification message includes the device identification and address information of the second wearable device, and is used to notify the first wearable device that: the service The final receiving end of the data is the second wearable device.
[0285] It should be noted that the final receiving end in the embodiment of the present invention may refer to a dev...
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