Data interaction method for application layer of wireless sensor network based on IPv6 (internal protocol version 6)
A wireless sensor and network application technology, applied in wireless network protocol, network topology, wireless communication and other directions, can solve the problem of not clearly defined related functions and communication modes, to save energy consumption, improve reliability, ensure management and Effect
Active Publication Date: 2014-04-16
CHONGQING UNIV OF POSTS & TELECOMM
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Among them, the PHY layer and the MAC layer adopt the IEEE802.15.4 protocol, and the network layer adopts the IPv6 protocol. In order to realize the seamless connection between the MAC layer and the network layer, the 6LoWPAN protocol stack defines an adaptation layer between the network layer and the MAC layer. For the application layer, the 6LoWPAN protocol stack does not clearly define its related functions and communication modes.
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[0026] In order to make the purpose of the present invention, technical solutions and advantages clearer, the present invention will be described in further detail below in conjunction with accompanying drawing:
[0027] IPv6 wireless sensor network protocol stack system such as figure 1 As shown, the application layer is at the top of the protocol stack. The present invention designs the whole application layer framework, and divides the design of the application layer framework into two layers, UPL and APS.
[0028] The application layer structure of IPv6 wireless sensor network is as follows: figure 2 shown. Among them, the APS layer includes IPv6 device objects, device discovery functions and service discovery functions. Among them, the IPv6 device object provides the initialization application support sublayer, the network layer, and the security service specification; the APS layer provides an interface for the network layer and the application layer, and the APS lay...
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The invention discloses a data interaction method for an application layer of a wireless sensor network based on IPv6 (internal protocol version 6), which belongs to the technical field of industrial wireless sensor networks. The method comprises the following steps: according to the design of a 6LoWPAN protocol stack and the application needs of a wireless sensor network, designing a whole framework of an application layer, introducing an application layer technique and an object concept to the protocol stack, designing an application layer frame header meeting the requirements of the protocol stack, selecting and realizing a particular inter-node communication mode for the data transmission and interaction of the application layer, and designing a frame format in a corresponding communication mode; designing a data interaction frame format of the application layer; and designing a shortcut mechanism of the application layer, an object relationship establishment function and a corresponding command frame format, and implementing in a mechanism of a protocol stack state machine. According to the invention, a user application object is defined so as to perform data interaction with industrial process data; and an application layer communication service is defined so as to support the communication among multiple objects of distributed applications in an industrial environment.
Description
technical field [0001] The invention belongs to the technical field of industrial wireless sensor networks, and in particular relates to an IPv6-based wireless sensor network application layer data interaction method. Background technique [0002] The 6LoWPAN protocol stack has a multi-layer structure, and each layer provides specific services for its upper and lower layers: the data entity provides data services, and the management entity provides management services. Each layer in the 6LoWPAN protocol stack has the definition and design of related protocols. Among them, the PHY layer and the MAC layer adopt the IEEE802.15.4 protocol, and the network layer adopts the IPv6 protocol. In order to realize the seamless connection between the MAC layer and the network layer, the 6LoWPAN protocol stack defines an adaptation layer between the network layer and the MAC layer. For the application layer, the 6LoWPAN protocol stack does not clearly define its related functions and com...
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Login to View More IPC IPC(8): H04L29/08H04W80/04H04W80/12H04W84/18
Inventor 王恒王平王娜邹继
Owner CHONGQING UNIV OF POSTS & TELECOMM