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Data collection method based on constructive interference in asynchronous WSN with low duty ratio

A constructive interference and low duty cycle technology, applied in the direction of data exchange network, digital transmission system, transmission system, etc., can solve the problems of large energy consumption and complicated maintenance process, so as to reduce energy consumption, reduce control overhead, The effect of reducing network energy consumption

Active Publication Date: 2017-09-29
GUANGXI UNIV
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Problems solved by technology

Therefore, in these protocols, in order to ensure the robustness of routing, nodes need to maintain neighbor information regularly, and the energy consumed in the maintenance process is relatively large. Wake up at the same time, the maintenance process will become more complicated

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  • Data collection method based on constructive interference in asynchronous WSN with low duty ratio
  • Data collection method based on constructive interference in asynchronous WSN with low duty ratio
  • Data collection method based on constructive interference in asynchronous WSN with low duty ratio

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[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many of the details listed in the specification are only for readers to have a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention can be implemented even without these specific details.

[0036] Such as figure 1 As shown, the data collection method based on constructive interference in an asynchronous low duty cycle WSN according to the present invention includes the following steps: randomly distributing n sensor network nodes in an area with an area of ​​M×M square meters, where , n is an integer greater than 1. The sensor nodes include at least a Source node, a forwarding node, and a Sink node. Except for the Sink node, other sensor nodes in th...

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Abstract

The invention discloses a data collection method based on constructive interference in an asynchronous WSN with a low duty ratio. The data collection method comprises the following steps: n sensor nodes are randomly distributed within a region with an area of M*M square meters to form a wireless sensor network, the sensor nodes at least comprise a Source node, a forwarding node and a Sink node, and other sensor nodes excluding the Sink node in the wireless sensor network adopt an asynchronous LPP mechanism to perform sleep scheduling, in a network initialization process, the sensor nodes perform gradation selection to obtain a hop number from the sensor nodes to the Sink node, when data need to be sent, the Source node selects the wake forwarding node in the network to transmit the data to the Sink node concurrently, and the Source node and the forwarding node return to an LPP sleep scheduling state after the data are transmitted. By adoption of the data collection method, the control cost in the network can be effectively reduced, the data packet receiving rate can be improved, the end-to-end delay and the network energy consumption are reduced.

Description

technical field [0001] The invention relates to the technical field of wireless sensor networks, in particular to a data collection method based on constructive interference in an asynchronous low duty cycle WSN. Background technique [0002] Constructive interference is applied to the data transmission of wireless sensor network (WSN), which can realize concurrent transmission of data, and has a data packet reception rate close to 100% and very low data transmission delay. Based on constructive interference Concurrent transmission has the following characteristics: (1) In the process of concurrent transmission, the same data packet is transmitted; (2) When multiple nodes send data to the same node at the same time, they need to meet the condition of constructive interference; (3) Nodes do not Neighbor and routing information will be saved; (4) All nodes participate in concurrent transmission; therefore, when concurrent transmission based on constructive interference is appl...

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Application Information

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IPC IPC(8): H04W40/04H04W84/18H04L12/761H04L1/16H04L45/16
CPCH04L1/1607H04L45/16H04W40/04H04W84/18Y02D30/70
Inventor 梁俊斌刘晓东王田李陶深
Owner GUANGXI UNIV
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