Low-energy-consumption safety data fusion method and device

A technology of secure data and data fusion, applied in the field of data fusion, to achieve the effect of reducing energy consumption, reducing energy consumption and communication overhead, reducing energy consumption and communication overhead

Inactive Publication Date: 2013-12-11
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0031] The purpose of the present invention is to overcome the problems existing in the existing security data fusion technology and provide a low energy consumption security data fusion method and device. The technical problem to be solved is to reduce the energy consumption of nodes and reduce the communication time overhead

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Embodiment Construction

[0045] In order to reduce the communication frequency of the cluster head nodes in the cluster and the communication energy consumption of each node in the cluster, the embodiment of the present invention proposes a low-energy consuming safe data fusion technology solution based on the minimum spanning tree (Low-energy Consuming Safe Data Aggregation, LCSDA), which can be applied to the Internet of Things.

[0046] The technical scheme that the embodiment of the present invention proposes comprises three stages, namely the formation stage of the cluster, the intra-cluster data fusion stage and the inter-cluster data fusion stage; wherein the first stage and the third stage are the same as the first stage in the existing LCCPDA method. The implementation process of the first stage and the third stage is basically the same. The embodiment of the present invention mainly improves the second stage (that is, the intra-cluster data fusion stage).

[0047] The low energy consumption...

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Abstract

The invention relates to a low-energy-consumption safety data fusion method and a low-energy-consumption safety data fusion device. The method comprises the following steps: segmenting data acquired by each node in a cluster into three pieces, wherein one piece of segmented data is remained in the node per se, and the other two pieces of segmented data are transmitted to two neighbor nodes closest to the node respectively; transmitting the segmented data remained in the node per se and the received segmented data to a cluster head node in the cluster by each member node in the cluster based on a minimum spanning tree path; performing data fusion in the cluster by the cluster head node based on the segmented data remained by the cluster head node and the segmented data transmitted by each member node to generate fused data in the cluster. According to the technical scheme provided by the invention, the communication distance and the communication frequency between the nodes in the cluster are greatly reduced on the premise that the safety performance of data fusion is slightly affected, so that the energy consumption and the communication overhead of the nodes in the cluster are effectively reduced.

Description

technical field [0001] The invention relates to data fusion technology, in particular to a method and device for safe data fusion with low energy consumption. Background technique [0002] Since the openness and self-organization of the Internet of Things are vulnerable to attacks, the collected data in the Internet of Things is prone to security issues such as information leakage during the data fusion process. [0003] Secure data fusion technology has been widely used in the Internet of Things in many fields such as military, smart medical and smart home because it can effectively guarantee the security and privacy of data collected by nodes during fusion transmission. [0004] The existing secure data fusion technology usually adopts LCCPDA (Low-energy Consuming Cluster-based Private Data Aggregation, a low-energy consumption data fusion privacy protection method based on clustering), and the implementation process of this method includes the following three stages: [...

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Application Information

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IPC IPC(8): H04W12/00H04W52/02H04L29/06
CPCY02D30/70
Inventor 谷勇浩莫徐安
Owner BEIJING UNIV OF POSTS & TELECOMM
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