Stub network of Internet of things and seepage data transmission method thereof
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An Internet of Things and network technology, applied in network topology, using return channels for error prevention/detection, electrical components, etc., can solve problems such as high network self-healing costs, large amount of calculation, high calculation and storage requirements
Inactive Publication Date: 2011-07-13
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
Although there is no need to deploy gateways and routers in the Ad hoc network, each network node needs to understand the routing structure of the entire network and calculate the route. Therefore, a large amount of routing maintenance information needs to be broadcast in the network. When the structure changes, the cost of network self-healing is very high. In addition, the amount of calculation required by nodes to complete routing processing is relatively large. The calculation and storage requirements of network node equipment are very high, and the cost is very high. It is difficult to apply to the terminal network of the Internet of Things. Internet
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Embodiment 1
[0059] A terminal network of the Internet of Things, its network structure is: including A, B, C, ... M, N, O a total of 15 nodes, the neighbor relationship of each node is as follows image 3 As shown, nodes in the network have several neighbors. For example, node F has three neighbors, and node P has one neighbor, which means that the probe packets or data packets sent from other nodes to node P, as long as P is not the destination Both the needle packet and the data packet will be discarded by node P. Any two nodes in the network may have a direct route, or may be connected through other nodes after a limited number of transfers. For example, node F and node N have no direct connection relationship, but there are multiple paths between them such as F-G-K-N and F-C-E-M-N;
[0060] The initialization process of each node in the network is:
[0061] (1) Send a neighbor node query signal, and the node that receives the query signal returns a response signal, and the node estab...
Embodiment 2
[0078] A terminal network of the Internet of Things, its network structure is: a total of 15 nodes including A, B, C, ... M N, O, the neighbor relationship of each node is as follows Figure 4 As shown, the links in the network are unidirectional links. The node pointed by the link arrow can directly receive the data packet of the starting node of the arrow. For example, there are three links starting from node F, and these links are terminated at nodes G, C and L respectively, and F can directly send data packets to G Send data, but G cannot directly send data to F, that is, G is a neighbor of F, but F is not a neighbor of G.
[0079] The initialization process of each node in the network is:
[0080] (1) Send a neighbor node query signal, and the node that receives the query signal returns a response signal, and the node establishes the number of neighbor nodes, the name and address list of the neighbor node and the direct routing bandwidth list between the node and the nei...
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Abstract
The invention relates to a network structure of a seepage Internet of things and a data transmission method, in particular to a stub network structure of the Internet of things without a server or a gateway, and a high-efficiency seepage route selection method based on the Small World Six Degrees of Separation, belonging to the technical field of networking of Internet of things and data transmission. The seepage data transmission method is divided into two-way data transmission and one-way data transmission based on different network links, wherein the two-way data transmission process adopts a probe route selection mode, and the data transmission process adopts a seepage process, i.e., data is encoded and split at a source node, then the data is forwarded through a plurality of routes, and a destination node assembles and decodes the data forwarded by each route to recover source data. The stub network of Internet of things and the seepage data transmission method thereof have low networking and maintenance cost and high reliability of network data transmission, dispense with feedback retransmission, reduce the expenses of network bandwidth, reduce the complexity in realizing a network protocol, ensure the security of network data, enhance the expansibility of the network, and have low requirements for the storage capacity and processing capacity of nodes.
Description
technical field [0001] The present invention relates to a terminal network of the Internet of Things and its percolation data transmission method, in particular to a terminal network structure of the Internet of Things without a server and without a gateway, and an efficient percolation route selection method based on the six-dimensional space theory of the small world model, belonging to Internet of things networking and data transmission technology field. Background technique [0002] The Internet of Things is the expansion and extension of the Internet. The network is a controllable and safe information network connected by "everything" in the world, which can be applied to various industries, such as figure 1 shown. Generally speaking, the Internet of Things can be understood as the organization of devices from all walks of life into a network, that is, the terminal network, and these terminal networks are then connected to the Internet in an appropriate way to realize ...
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