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A Constructive Interference-Based Data Collection Method in Asynchronous Low Duty Cycle WSNs

A technology of constructive interference and low duty cycle, applied in the direction of data exchange network, digital transmission system, advanced technology, 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: 2020-04-24
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • A Constructive Interference-Based Data Collection Method in Asynchronous Low Duty Cycle WSNs
  • A Constructive Interference-Based Data Collection Method in Asynchronous Low Duty Cycle WSNs
  • A Constructive Interference-Based Data Collection Method in Asynchronous Low Duty Cycle WSNs

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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] like 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, and 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 t...

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Abstract

The invention discloses a data collection method based on constructive interference in an asynchronous low duty ratio WSN. The data collection method is to randomly distribute n sensor nodes in an area with an area of ​​M×M square meters to form a wireless sensor network , the sensor node includes at least a Source node, a forwarding node, and a Sink node. Except for the Sink node, other sensor nodes in the wireless sensor network adopt the asynchronous LPP mechanism for sleep scheduling. During the network initialization process, the sensor node will perform Hierarchical selection to obtain the number of hops from the sensor node to the sink node. When there is data to be sent, the source node selects the awakened forwarding node in the network to transmit the data concurrently to the sink node. After the concurrent transmission is completed, the source node and the forwarding node return to the LPP Sleep scheduling state. The invention can effectively reduce the control overhead in the network, improve the receiving rate of data packets, and reduce end-to-end delay and network energy consumption.

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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Patent Type & Authority Patents(China)
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