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Social network route optimizing method based on integral liveness

A technology of social network and optimization method, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of not considering the performance of other nodes and lower transmission efficiency, so as to avoid a large number of duplication, reduce network load, and improve effect of rationality

Inactive Publication Date: 2012-07-04
HUAZHONG UNIV OF SCI & TECH
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  • Summary
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  • Application Information

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Problems solved by technology

These indicators either take into account the number of areas in the social network that the node itself can reach, or consider the link status between the node and other nodes, but they do not consider the performance of other nodes connected to the node, resulting in unsatisfactory selection of messages. nodes, making the transfer efficiency lower and other issues

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  • Social network route optimizing method based on integral liveness
  • Social network route optimizing method based on integral liveness
  • Social network route optimizing method based on integral liveness

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Embodiment Construction

[0019] The present invention will be further described below in combination with specific embodiments.

[0020] The present invention evaluates the performance of adjacent node sets by analyzing the social activity of node Pi and its adjacent node sets, and evaluates the social activity of nodes according to the way of evaluating node a's degree centrality. Make an evaluation.

[0021] Social activity represents the number of areas a node passes through and the time it stays in the area. SA is a physical quantity that characterizes the activity of a node in the network. The size of SA is related to the number of areas a node passes through within a period of time and the time it stays in the previous area. For different nodes, the larger the SA, the more active the node is in the network. The size of SA is directly proportional to how much the node passes through the area, and inversely proportional to the length of time it stays in the area. Define the activity formula of ...

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Abstract

The invention discloses a social network route optimizing method based on integral liveness, which comprises the steps of: when two nodes meet, respectively computing the integral liveness of the two nodes, and selecting the node with the maximum value of the integral liveness as a message transmitting node. According to the invention, the flooding process in the route policy is guided through the integral liveness, and the integral liveness can be used for better describing a movable region of the node and a movable region of anode node adjacent to the node, thus route efficiency can be effectively increased.

Description

technical field [0001] The invention belongs to the field of mobile delay-tolerant networks, and in particular relates to a social network routing optimization method. Background technique [0002] Delay tolerant networks (DTN network) is a node-oriented overlay network architecture first proposed by Fall at the 2002 ICIR conference. Intermittent, high packet transmission delay. Interplanetary networks, sensor networks, AdHoc networks, social networks, etc. are typical applications of DTN networks. [0003] Social network is a type of DTN network abstracted from real life. In real life, each community in the city is fixed, but people and vehicles are changing all the time. The range of activities of people is small, and the range of activities of vehicles is large. At the same time, the stay time of people and vehicles in a community is also different. For example, the stay time of vehicles in a community is generally shorter than that of people in a community. [0004] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/701
Inventor 廖小飞余辰金海张龙波梁传明
Owner HUAZHONG UNIV OF SCI & TECH