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A method for securely transmitting data packets sent by sensors to base stations in the Internet of Things

A technology of secure transmission and transmission method, which is applied in the field of wireless sensor network security, can solve the problems of poor network average delay jitter, network time delay, and inability to protect the privacy of energy node locations, so as to improve the security period and ensure the average end-to-end delay jitter Effects of sex, increasing difficulty and time spent

Inactive Publication Date: 2019-06-04
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this technical solution is that it cannot protect the privacy of the source node location
[0009] Angle-based dynamic routing scheme (ADRS), although it can protect the privacy of the source node location to a certain extent, it makes the network average delay jitter poor and generates network time delay

Method used

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  • A method for securely transmitting data packets sent by sensors to base stations in the Internet of Things
  • A method for securely transmitting data packets sent by sensors to base stations in the Internet of Things
  • A method for securely transmitting data packets sent by sensors to base stations in the Internet of Things

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Embodiment

[0041] In order to better illustrate the experimental process of the method for securely transmitting data packets sent by sensors in the Internet of Things to the base station provided by this embodiment, the network model of the Internet of Things to which this method is applied and the attack model encountered by the network model are firstly introduced.

[0042] 1. The network model of the Internet of Things.

[0043] The IoT network includes multiple wireless sensor nodes, which are randomly distributed in the monitoring area to monitor specific objects, and periodically report data to the base station while maintaining a minimum delay.

[0044] Most of the wireless sensor nodes obey the Poisson distribution, and the wireless sensor nodes here also obey the Poisson distribution. When an object is monitored, the nearby sensor nodes that detect the object become source nodes. Each source node transmits data packets to the base station in a multi-hop manner. Assuming that ...

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Abstract

The invention discloses a transmission method for safely transmitting a data packet sent out by a sensor to a base station in an internet of things. The transmission method comprises the steps of: calculating out an optimal alterable included angle theta via a remaining time delay TZ of the current sending data packet in the internet of things; in a [-theta / 2, theta / 2] sector area with a connecting line between a current sender node and the base station as a reference, broadcasting a request sending packet to all neighboring nodes along a base station direction, waiting for a backoff time after the neighboring nodes receive the request sending packet and then replying a response packet; checking whether a distance between the current sender node and the base station is within a communication radius r2 of the current sender node, and if yes, directly sending the sending data packet to the base station, thereby finishing a data transmission task; if no, randomly selecting one neighboring node which replies the response packet in the [-theta / 2, theta / 2] sector area of the current sender node as a relay node, and sending the data packet to the relay node; replying a confirmation packet correspondingly after the relay node receives the data packet and then taking the relay node as the current sender node to repeat above process till the data packet is transmitted to the base station.

Description

technical field [0001] The invention relates to a data packet transmission method and belongs to the technical field of wireless sensor network security. Background technique [0002] In recent years, as new progress has been made in the fields of wireless communication, microelectronics technology and sensor equipment, Wireless Sensor Networks (WSN) has developed significantly. As an important part of the Internet of Things, wireless sensor networks are considered to be the most promising technology in the 21st century. Wireless sensor networks are usually deployed in unattended areas, and the external environment is relatively harsh. They have good application prospects in war environment, social life, industrial management, etc., and have attracted more and more attention. Soon, wireless sensor networks will be applied to all aspects of society, bringing great convenience to people's daily life. [0003] The wireless sensor network consists of a series of cheap, low ene...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/02
CPCH04W12/02
Inventor 许拥晶刘亚杨懿森宋梁崔文洋苏凡军
Owner UNIV OF SHANGHAI FOR SCI & TECH
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