Reliable wireless sensor network data transmission method based on Chinese remainder theorem

A Sun Tzu remainder theorem, wireless sensor technology, applied in digital transmission system, transmission system, network topology, etc., can solve the problems of not considering the influence of reliable data transmission, network topology communication interference, etc.

Inactive Publication Date: 2014-01-22
XIDIAN UNIV
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Problems solved by technology

However, the article does not consider whether the construction of the network topology will cause communication interference, nor does it consider the impact of unreliable communication links on reliable data transmission

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  • Reliable wireless sensor network data transmission method based on Chinese remainder theorem
  • Reliable wireless sensor network data transmission method based on Chinese remainder theorem
  • Reliable wireless sensor network data transmission method based on Chinese remainder theorem

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Embodiment Construction

[0056] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0057] refer to figure 1 , the present invention is based on the Sun Tzu remainder theorem wireless sensor network data reliable transmission method, the specific steps are as follows:

[0058] Step 1. In the L×L plane area, randomly throw N wireless sensor nodes, and the Sink node is located at the edge of the monitoring area, responsible for receiving the collected data and performing related processing on the data.

[0059] Step 2. In the wireless sensor network WSNs, the sensor node broadcasts the position information with the maximum transmission power, and records the information of the neighbor nodes to form the unit disk graph UDG of the network.

[0060] (2.1) Each node in the network broadcasts its own position information with the maximum transmit power;

[0061] (2.2) After node i receives the l...

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Abstract

The invention discloses a reliable wireless sensor network data transmission method based on a Chinese remainder theorem. The method comprises the following steps: dispersing nodes randomly, performing topology control on a network in combination with a Gabriel graph on the basis of a UDG (Unit Disk Graph), adjusting the node transmitting power, and updating a neighbor node set to form a network data communication topology; performing linear encoding on a data packet to be transmitted, encoding data into a plurality of linearly-irrelevant data, partitioning the data into small sub-data packets by adopting the Chinese remainder theorem, transmitting the sub-data packets to a sink node by adopting a minimum hop routing algorithm along multiple paths, merging the partitioned data through the sink node, and decoding the encoded data. The data communication method disclosed by the invention is easy to implement, the service efficiency of network energy can be increased effectively without any complex route protocol, the occurrence of network congestion is reduced, the encoding effect is brought into full play, and data can be reliably transmitted to the sink node; the method can be applied to large-scale wireless sensor networks.

Description

technical field [0001] The invention belongs to the technical field of wireless sensors, and relates to a data transmission method in a wireless sensor network, in particular to a reliable data transmission method of a wireless sensor network based on Sun Tzu's remainder theorem. Background technique [0002] Wireless sensor network WSNs is a multi-hop wireless communication network with a large number of sensor nodes as the basic components. After these nodes are deployed in a given application area, each node perceives the information in the area and generates data, and then transmits the data to the sink node through wireless multi-hop for further processing by the sink node. [0003] In the application of wireless sensor network, sensor nodes need to form a network through self-organization after being randomly scattered in a certain detection area, and complete data collection in their own area. When a node sends data to a destination node, it usually reports the locat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W84/18H04W52/02
CPCY02D30/00Y02D30/70
Inventor 冯海林刘昊李亚龙刘亚红刘广龙
Owner XIDIAN UNIV
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