Internet-of-things response type bandwidth adjusting method based on forward task estimation

An adjustment method and a responsive technology, applied in the field of the Internet of Things, can solve the problems of complex and changeable, incompetent narrowband Internet of Things bandwidth adjustment tasks, etc., and achieve the effect of simple structure, strong overall resource planning, and improved network service experience

Inactive Publication Date: 2018-03-09
烟台慧彦网络科技有限公司
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Problems solved by technology

[0003] Taking the industrial field Internet of Things as an example, although the terminal tasks and devices of the network are very clear, due to the complex and changeable usage requirements and scenarios, the priority of the same task is dynamically changed, so the line terminal based on the network layer Generic bandwidth allocation strategies of (LT) and network unit (NU) devices are not up to the task of bandwidth regulation in NB-IoT

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  • Internet-of-things response type bandwidth adjusting method based on forward task estimation
  • Internet-of-things response type bandwidth adjusting method based on forward task estimation
  • Internet-of-things response type bandwidth adjusting method based on forward task estimation

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Embodiment Construction

[0034] A method of Internet of Things responsive bandwidth adjustment based on forward task estimation, the method comprising:

[0035] A. Forward task estimation:

[0036] Such as figure 1 As shown, the overall Internet of Things network is marked as O, and the overall network is divided into O according to the physical area 1 , O 2 ,...On, divided into T={T according to the type of concurrent tasks 1 ,T 2 ...Tn}.

[0037] For the target task T i , the terminal nodes that complete the task are distributed in the subnetwork O m+1 ...O m+j , where (m+1) and (m+j)∈[1, n] are integers; each sub-network has p i task node. For one of the nodes Ni, calculate its task start time sequence as t s , the estimated task deadline is t e , the task swap-in and swap-out time is t x , it can be seen that the estimated task time of node Ni is:

[0038] t i = t ei -t si +t xi ;

[0039] Assuming that there are j sub-networks involved in completing the task Ti, and each sub-net...

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Abstract

The invention discloses a responsive bandwidth adjustment method of the Internet of Things based on forward task estimation. The method includes: forward task estimation, an application layer priority management strategy and a responsive bandwidth adjustment algorithm. Forward task estimation solves the problem of wasting the expected authorized bandwidth at the terminal layer; the application layer priority management strategy is a weight and weight of the influencing factors based on the application layer priority modeling, and then realizes the application of the application layer task priority It not only has programmable input, but also focuses on solving the problem of adaptive adjustment of variable priority tasks; the responsive bandwidth adjustment algorithm provides quality support for the completion of target tasks, and can quickly Adjust bandwidth in response to overall network bandwidth requests. The method has a simple structure, strong overall resource planning, and has no special requirements for network equipment, and is especially suitable for responsive adjustment of narrowband IoT bandwidth with heavy terminal tasks.

Description

technical field [0001] The invention belongs to the field of the Internet of Things and relates to a method for adjusting the bandwidth of the Internet of Things responsively, in particular to a narrowband IoT responsive bandwidth adjusting method based on forward task estimation. Background technique [0002] In recent years, the idea of ​​"Internet of Everything" has been reflected in all aspects of production and life. Due to resource constraints such as on-site conditions, space, time, or cost in ad hoc networks and industrial on-site IoT, bandwidth has become a scarce resource, especially for narrow-band IoT. Networking, usually only more than 100 Kbps, whether the energy-efficient use of precious bandwidth resources to complete on-site tasks determines the network service experience, so the limited bandwidth to achieve responsive bandwidth adjustment of the Internet of Things has become a very critical issue. [0003] Taking the industrial field Internet of Things as a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/927H04L12/917H04L12/24
CPCH04L47/805H04L41/142H04L47/76H04L47/808
Inventor 黄佳敏李云霞赵慧卿李富平冷霜曲逸文
Owner 烟台慧彦网络科技有限公司
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