A method for quickly establishing a data link in a wireless network

A data link and wireless network technology, applied in the field of wireless networks, can solve problems such as coverage redundancy, channel conflict, network congestion, etc., and achieve the effect of reducing conflict and competition

Active Publication Date: 2019-11-01
秦皇岛市隆达润滑技术研发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the high-density deployment of sensor nodes brings problems such as coverage redundancy, channel conflict, and network congestion.

Method used

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  • A method for quickly establishing a data link in a wireless network
  • A method for quickly establishing a data link in a wireless network
  • A method for quickly establishing a data link in a wireless network

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with accompanying drawing:

[0033] The method of the present invention comprises the following steps:

[0034] Step 1, each node broadcasts initialization messages to neighbor nodes, and the nodes record the received different initialization messages, and exchange coverage node set information with neighbor nodes;

[0035] Step 2, the node takes itself as the center, and calibrates the boundary nodes;

[0036] Such as figure 1 As shown, node a is selected as the source node, that is, the node that generates data. Assume that the communication radius of all nodes is R, and the corresponding dotted line represents its radio frequency coverage. According to the above definition and relationship, b, c, and e are the boundary nodes of node a. The closed area formed by connecting the boundary node with some boundary (edge) points in the radio frequency range of the source node is called a logical boundar...

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Abstract

The invention discloses a method for quickly establishing a data link in a wireless network. The method is characterized by defining logical boundary of a source node by utilizing radio frequency coverage relationship between wireless network nodes and without a determined network topology structure, and setting each boundary node to allocate time slot through a dynamic time slot management scheme, thereby under the precondition of avoiding conflict, realizing data packet whole-network traversal in possible shortest time, and quickly establishing data links from the source node to the whole wireless network. The method makes effective use of spectrum resources under the condition of ensuring network server quality, thereby reducing data packet forwarding times and enabling the data packets to cover the whole network quickly.

Description

technical field [0001] The invention relates to the technical field of wireless networks, in particular to a method for quickly establishing a data link in a wireless network. Background technique [0002] Flooding is a typical traditional planar protocol in wireless sensor networks. Its algorithm is simple, and it is widely used in topology formation, route establishment, target detection or data query in wireless sensor networks. In the flooding algorithm, the source node broadcasts the data packet, and all its neighbor nodes will broadcast it in the same way after receiving the data packet. This is repeated until the data packet is transmitted throughout the entire network. Due to the broadcast nature of the flooding process, each node will receive broadcast packets multiple times. If a node broadcasts a data packet every time it receives it, the neighboring nodes will continue to repeat each other because of broadcasting. This will not only cause a lot of energy waste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W28/02H04W28/06H04W28/08H04W28/10H04W40/24H04W40/32
CPCH04W24/02H04W28/0236H04W28/06H04W28/08H04W28/10H04W40/246H04W40/32
Inventor 袁亚洲朱雨刘静仁关新平
Owner 秦皇岛市隆达润滑技术研发有限公司
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