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A Routing Method for IPv6 Industrial Wireless Sensor Networks Based on Deterministic Scheduling

A sensor network, industrial wireless technology, applied in wireless communication, network topology, electrical components, etc., can solve problems such as inability to guarantee certainty, and achieve the effect of improving overall communication performance

Active Publication Date: 2015-09-09
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to reduce or eliminate problems such as packet loss and delay in the wireless sensor network data transmission process in the existing routing technology wireless sensor network routing method, so as to ensure the reliability and reliability of data transmission. Real-time, but can not guarantee the defect of its determinism, according to the characteristics of industrial wireless sensor network, the present invention proposes a routing method that can meet the application of industrial environment and can improve the overall communication performance of the network

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  • A Routing Method for IPv6 Industrial Wireless Sensor Networks Based on Deterministic Scheduling
  • A Routing Method for IPv6 Industrial Wireless Sensor Networks Based on Deterministic Scheduling
  • A Routing Method for IPv6 Industrial Wireless Sensor Networks Based on Deterministic Scheduling

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[0029] In order to make the purpose of the present invention, technical solutions and advantages clearer, the present invention will be described in further detail below in conjunction with accompanying drawing:

[0030] Flowchart of routing method for IPv6 industrial wireless sensor network based on deterministic scheduling figure 1 shown. Include steps:

[0031] 1. The source node constructs a scheduling routing request message SRR, because the type value in the Internet Control Message Protocol ICMP message is used to indicate what type of ICMP message it is, and the values ​​133-137 have been assigned to IPv6 Neighbor Discovery 5 A basic ICMP message, and the 6LoWPAN neighbor discovery method assigns TBD1-TBD5 types to the added options and ICMP messages. The encoding values ​​in ICMP packets are all 0. Therefore, this article tentatively assumes that the type value in SRR is TBD6 ("TBD" is the abbreviation of "To Be Determined", which means "to be determined"), and th...

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Abstract

The invention relates to an IPv6 (Internet protocol version 6) industrial wireless sensor network routing method based on definiteness scheduling and belongs to the technical field of industrial wireless sensor networks. The method is based on 6LoWPAN and definiteness scheduling of industrial wireless sensor networks, and adaptation layer protocol and neighbor discovery protocol are modified according to 6LoWPAN serial protocol standards. Scheduling time and channel quality are used as path selection standards according to application requirements of industrial wireless sensor networks. An optimal path simultaneously satisfying two routing standards is selected for data with marked definiteness features in a distributed manner, and accordingly definiteness, instantaneity and reliability requirements of industrial application are met. By the method, definiteness of an industrial wireless sensor network can be guaranteed effectively, and overall communication performance of the network is improved.

Description

technical field [0001] The invention belongs to the technical field of industrial wireless sensor networks, and in particular relates to a routing method for an IPv6 industrial wireless network. Background technique [0002] With the development of wireless technology, the traditional fieldbus structure can no longer meet the application requirements of industrial sites. Industrial wireless sensor technology has become a research hotspot in the industrial field due to its advantages of no wiring, wide distribution, flexible application, and low cost. Because the industrial environment generally has the characteristics of high risk and low bandwidth, the resources of wireless devices are limited, and they need to run for a long time. Therefore, in order to implement wireless technology on such low-power and lossy devices, it is necessary to arrange time, channels and resources reasonably. Bandwidth and other resources, and fully consider the issue of energy consumption, the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/12H04W84/18
Inventor 王平王恒李攀兰飞吴冠辰王娜晁淑杰
Owner CHONGQING UNIV OF POSTS & TELECOMM
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