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Effectiveness-perception redundancy-included data uploading method in collaboration moving cloud

A redundant data, mobile cloud technology, applied in the field of data upload, can solve the problems of single point failure, uncertain mobility of mobile terminals and multi-hop network dynamics, and it is difficult for mobile terminals to know mobile terminals in time.

Inactive Publication Date: 2016-11-23
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

Solving this problem faces the following challenges: First, in the adverse environment of disaster response and military operations, using a centralized scheduling scheme for each mobile terminal will lead to unacceptable loss of communication and computation
Also, the centralized approach can cause a single point of failure problem
Second, due to the uncertain mobility of mobile terminals and the dynamics of multi-hop networks, it is difficult for a mobile terminal to know the situation of other mobile terminals in time
However, these studies ignore the phenomenon that some redundant data take up space but do not play a role
Also, these studies did not examine the specifics of the upload channel

Method used

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  • Effectiveness-perception redundancy-included data uploading method in collaboration moving cloud

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Embodiment Construction

[0059] The cooperative mobile cloud is composed of a group of mobile terminals, and these mobile terminals cooperate to store the jointly generated data by sharing the storage capacity with each other. In order to ensure stable and reliable storage, the same data will be copied to multiple mobile terminals for storage. To deal with the uploading problem mentioned above, we design an online distributed scheduling method based on distribution-dependent optimization. This method allows each mobile terminal to independently make an upload decision without depending on its own future channel state and the state of other mobile terminals.

[0060] The main work is as follows: Based on the literature knowledge we have, this is the first time that the data upload problem with redundancy in the cooperative mobile cloud is modeled as an energy-constrained utility maximization problem, in order to achieve a certain energy-constrained Next, maximize the amount of valid data uploaded. Se...

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Abstract

The invention provides an effectiveness-perception redundancy-included data uploading method in a collaboration moving cloud. During a (t+D)th uploading process, all mobile terminals receive all state and decision information of all mobile terminal during a t th uploading process, wherein the D expresses a feedback delay of the system. An employed core conception of a distributed correlated optimization method is characterized in that each mobile terminal searches for an optimal solution in all uploading strategies during each uploading process; an energy consumption constraint is converted into a queue stability problem. Therefore, each mobile terminal can make a decision independently under the circumstance that future channel information is not obtained.

Description

technical field [0001] The invention relates to a data upload method in a cooperative mobile cloud, in particular to a utility-aware and redundant data upload method in a cooperative mobile cloud. Background technique [0002] With the widespread popularization of mobile terminals and the rapid development of wireless communication technology, more and more mobile terminals are used in fields such as emergency treatment and health monitoring. The problem of uploading with redundant data has received more and more attention and interest. One challenge of the data upload problem with redundancy in cooperative mobile clouds is how to achieve high-efficiency and low-energy data upload in wireless mobile networks with intermittent connections and unpredictable bandwidth. [0003] 1 Introduction [0004] In recent years, mobile terminals have developed rapidly. Cisco predicts that there will be more than 4.5 billion mobile terminal users in 2016. With the popularization of mob...

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Application Information

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IPC IPC(8): H04L29/08
CPCH04L67/1097H04L67/06
Inventor 朱晓敏包卫东王吉周文肖文华陈超邵屹杨刘桂鹏
Owner NAT UNIV OF DEFENSE TECH
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