Node dynamic dispatching method suitable for wireless body area network under emergency condition
A wireless body area network and network scheduling technology, applied in the field of communication, can solve problems such as waste of resources, and achieve the effects of improving capabilities, reducing consumption, and reducing transmission delays
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[0035] The body area network network operation is divided into normal mode and emergency mode. In normal mode, there is no dangerous data in the network. After a node is connected to the network, the central node sets its priority and resource configuration according to user needs, and stores the priority and resource configuration of the node. When the node collects dangerous data, it constructs an alarm frame and sends it to the central node in the EAP stage. After the central node receives the alarm frame, the network enters the emergency mode.
[0036] figure 1 It is a schematic diagram of the structure of the double-beacon superframe mode of the body area network. It is mainly composed of EAP (exclusive access phase), CAP1 (competition access phase 1), MAP (management access phase), B2 frame and CAP2 (competition access phase 2). The beacon frame is used for node network access, time synchronization, and unified management of nodes in the network. EAP (Exclusive Acces...
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