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An Opportunistic Data Transfer Method Based on Multi-behavior Locations

A data transmission method and location technology, which is applied in the intersection of opportunistic networks and social networks to reduce transmission energy consumption, improve the success rate of data transmission, and ensure real-time performance.

Active Publication Date: 2018-04-10
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of how to accurately send data to user groups with multi-behavioral attributes through opportunistic forwarding in crowd sensing applications

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  • An Opportunistic Data Transfer Method Based on Multi-behavior Locations
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  • An Opportunistic Data Transfer Method Based on Multi-behavior Locations

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Embodiment Construction

[0054] The embodiments of the present invention will be described below in conjunction with the drawings.

[0055] The present invention provides an opportunistic data transmission method based on multiple behavior locations. The method characterizes the multiple behavior attributes of mobile users and uses weights as the basis for data forwarding in multiple behavior locations, which can effectively transmit data to multiple behavior locations. Attribute of the user group. The specific implementation process of this method is as follows figure 1 Shown. This method requires the support of a cloud server to store and calculate user data and perform real-time data interaction work. User / cloud platform interaction model such as figure 2 Shown.

[0056] The specific implementation steps are:

[0057] Step 1: Set the number of users as n and the number of locations as m. The time consumed by users i∈{1,...,n} at the behavior location j∈{1,...,m} is the number of time slices (time sli...

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Abstract

The present invention proposes an opportunistic data transmission method based on multi-behavior locations to solve the problem of inability to accurately send data to multi-behavior location attribute users. First, the user registers the location behavior with the cloud server, and the cloud server saves the user / behavior location joint matrix, and the server updates the matrix in real time and returns the latest time slice vector to the user. The source user starts the data forwarding process after applying for data from the cloud server. In the process of data forwarding, the line is first initialized, and the message is delivered to h users with different behaviors and location attributes, where h is the number of locations. The forwarding enters the gradient increasing stage, and the message is forwarded layer by layer to the intended recipients of each behavior location. Finally, the data is sent to the intended recipients of all surrounding behavior sites in a multicast manner. Using the user behavior attribute weight as the forwarding condition, the data is forwarded to users in multiple behavior locations, which effectively improves the data transmission rate and reduces energy consumption.

Description

Technical field [0001] The present invention proposes an opportunistic data transmission method based on multiple behavior locations, which belongs to the cross field of opportunistic networks and social networks. Background technique [0002] At present, traditional sensor networks have some shortcomings: (1) It is necessary to manually deploy a large number of sensing devices in advance, which is not only expensive, but with the expansion of scale, the complexity of the system also increases sharply. (2) Sensing devices are deployed statically, and are generally not deployed intensively, which makes the perception perspective single and unable to fully perceive objects in all directions. (3) Forwarding data based on the node ID is not suitable for highly dynamic mobile network scenarios, nor can it be applied to networks with specific interest preferences. [0003] With the development of technology, a large number of mobile smart devices with abundant sensors have emerged. As t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/02H04W4/08H04W8/08H04L29/08
CPCH04L67/08H04W4/02H04W4/08H04W8/08H04L67/52H04L67/60Y02D30/50Y02D30/70
Inventor 徐佳陈翔吴敏徐小龙李涛蒋凌云戴华
Owner NANJING UNIV OF POSTS & TELECOMM
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