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Task-driven multi-gateway cooperation method

A task-driven, multi-gateway technology, applied in network traffic/resource management, electrical components, wireless communication, etc., can solve problems such as network access efficiency decline, improve resource utilization, avoid throughput reduction, and prevent data corruption lost effect

Inactive Publication Date: 2018-06-15
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Although in a heterogeneous wireless network, multiple gateways can effectively balance the relationship between gateway nodes, but when the data traffic or the number of users is absent, the network access efficiency may drop sharply

Method used

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Embodiment Construction

[0031] specific implementation plan

[0032] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] 1. If figure 1 As shown, the overall system framework diagram of the present invention, a task-driven multi-gateway collaboration method, separates the control plane from the data plane, wherein the gateway controller in the control plane classifies the obtained global network status information into information table storage In the physical storage medium of the controller, the information required for each decision is obtained from these information tables, which are used as the input of the decision, and the output decision results are used to update the relevant information tables; the gateway nodes in the data plane pass through WIFI -Internet connection to realize the decision-making results sent by the gateway controller. In the wireless heterogeneous network environment, many gateways are ...

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Abstract

The invention discloses a task-driven multi-gateway cooperation method. A gateway controller in the scheme has global network state information; task scheduling and gateway switching based on a service request and network state information can be realized; multiple gateways exist in a wireless network; the various gateways use different frequencies as data channels, and cover an area together; themultiple gateways are extended to cover a relatively large area; once data of a sensor node is sent to any gateway node, the data can be cooperatively sent to a corresponding aggregation node in themultiple gateways; and thus, low throughput capacity due to multi-hop routing between sensor nodes can be effectively avoided. By means of the method, the gateways can be adaptively switched among 3G,LTE and Ethernet freely according to the network state; furthermore, the quality of service (QoS) of the network can be ensured; and the resource utilization rate, the QoS and the user experience canbe improved.

Description

technical field [0001] A task-driven multi-gateway coordination method designed by the invention belongs to the technical field of wireless communication. Background technique [0002] With the leap-forward development of user needs and network technology, the current informatization construction is facing many bottlenecks, mainly reflected in: 1) Various sensor subnets lack unified storage and processing of sensory data. Need to be strengthened; 2) Various heterogeneous wireless network access technologies coexist; 3) Various management service systems lack effective unification and integration, the phenomenon of information islands is prominent, and the coordination of object business processes is insufficient. [0003] As wireless technology advances, emerging applications such as infrastructure monitoring and healthcare monitoring systems require more gateway nodes. A multi-gateway system can successfully avoid a single point of failure, but there are still many problem...

Claims

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Application Information

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IPC IPC(8): H04W24/04H04W28/08H04W36/14
CPCH04W24/04H04W28/08H04W36/14
Inventor 赵夙殷攀朱晓荣
Owner NANJING UNIV OF POSTS & TELECOMM
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