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A multi-dimensional data query method and system based on wireless sensor network

A multi-dimensional data query and wireless sensor technology, which is applied in the field of multi-dimensional data query methods and systems, can solve problems such as low transmission efficiency of sensing nodes, and achieve the effects of reducing communication volume, improving security, and improving data transmission efficiency.

Active Publication Date: 2020-11-10
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the scope query for privacy protection and integrity verification for two-layer wireless sensor networks has been realized in the existing technology, but in the current method, sensor nodes need to send a large amount of additional information, which often leads to the transmission efficiency of sensing nodes lower case occurs

Method used

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  • A multi-dimensional data query method and system based on wireless sensor network
  • A multi-dimensional data query method and system based on wireless sensor network
  • A multi-dimensional data query method and system based on wireless sensor network

Examples

Experimental program
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Embodiment 1

[0038] This embodiment provides a multidimensional data query method based on a wireless sensor network, including the following steps:

[0039] S1: The sensor node collects multi-dimensional data, divides each dimensional data into buckets, assigns a unique bucket label to each bucket, and then encrypts the bucket label and the data in the bucket to obtain the first encrypted data set , sending the first encrypted data set to the storage node for storage;

[0040] S2: The base station sends a query command to the storage node according to the user request, and the storage node selects corresponding encrypted data from the first encrypted data set according to the query command and returns it to the base station;

[0041] S3: The base station decrypts the data returned by the storage node and verifies the integrity of the data.

[0042] It is worth noting that bucket division is to divide the value range into several continuous ranges, and each range becomes a bucket.

[004...

Embodiment 2

[0087] see Figure 5 , Corresponding to the above-mentioned method embodiment, this embodiment provides a multi-dimensional data query system based on a wireless sensor network, including a memory, a processor, and a computer program stored on the memory and operable on the processor. When the processor executes the program, Steps to implement the method described above.

[0088] As mentioned above, the present invention provides a multi-dimensional data query method and system based on a wireless sensor network. Firstly, the multi-dimensional data is periodically collected by the sensor nodes, and the multi-dimensional data is divided into buckets, and a unique bucket label is assigned to each bucket, and then After encrypting the bucket label and the data in the bucket, the first encrypted data set is obtained, and the first encrypted data set is sent to the storage node for storage; then the base station sends a query command to the storage node according to the user reques...

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Abstract

The invention relates to the technical field of two-layer wireless sensor network range query, and discloses a multi-dimensional data query method and system based on a wireless sensor network, so as to effectively reduce the communication traffic of data transmission, improve the efficiency of data transmission, and ensure security; the method of the present invention includes using sensor nodes to collect multi-dimensional data periodically, and bucketing the multi-dimensional data, assigning a unique bucket label to each bucket, and then encrypting the bucket label and the data in the bucket to obtain the first An encrypted data set, the first encrypted data set is sent to the storage node for storage; then the base station sends a query command to the storage node according to the user's request, and the storage node selects the corresponding encrypted data from the first encrypted data set according to the query command and returns to the base station; finally, the base station decrypts the data returned by the storage node and verifies the correctness of the data.

Description

technical field [0001] The invention relates to the technical field of two-layer wireless sensor network range query, in particular to a multi-dimensional data query method and system based on a wireless sensor network. Background technique [0002] Two-layer Wireless Sensor Networks (Wireless Sensor Networks, WSNs) is a multi-hop distributed system formed by a large number of micro sensor nodes through self-organization, providing services for people through sensor nodes sensing, computing and transmitting data. As an integral part, the two-layer wireless sensor network plays an important role in the fields of medical and health, geological detection, military defense and so on. However, in practical applications, serious privacy leakage problems may be exposed. For example, in the field of medical applications, once the important data of patients collected by sensors are illegally stolen, it is easy to cause privacy leakage of patients; in the field of military application...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/38H04W12/02H04W12/04H04L29/08H04L29/06H04L9/06H04W12/033H04W12/0431
CPCH04L9/065H04L63/0435H04L63/06H04L67/1097H04L67/12H04W4/38H04W12/02H04W12/04
Inventor 王雷陈南松匡林爱赵蒙陈晶喻旅游
Owner XIANGTAN UNIV
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