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Fog computing Internet of Things networking method based on time delay perception

A technology of fog computing and Internet of Things, applied in the field of Internet of Things, can solve the problems of three types of business mixed scheduling and processing and forwarding, and there is no corresponding solution, so as to reduce delay and improve network performance.

Active Publication Date: 2020-04-03
江西省智慧物联研究院有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing networking methods mainly consider meeting the needs of low-latency, high-reliability services or enhanced mobile broadband services, but there is no corresponding solution for the mixed scheduling, processing and forwarding of the above three types of services

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  • Fog computing Internet of Things networking method based on time delay perception
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  • Fog computing Internet of Things networking method based on time delay perception

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Embodiment Construction

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0051] see figure 1 , the delay-aware based fog computing IoT networking method proposed by an embodiment of the present invention includes steps 1 to 5.

[0052] Step 1, each IoT device completes the F-AP access according to the preset access criteria, and the F-AP initializes the wireless resource configuration parameter Ω 0 , Ω 1 , Ω 2...

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Abstract

The invention provides a fog computing Internet of Things networking method based on time delay perception. According to the time delay characteristics of the periodic service, the enhanced mobile broadband service and the non-periodic key service in the industrial Internet of Things scene, a fog computing access point (Fog Access Point, F-AP) can flexibly adopt semi-static scheduling, preemptivescheduling and dynamic scheduling. According to the invention, the storage, processing and forwarding capabilities of the F-AP are fully utilized, a queue and a time perception scheduling table are created for each service data packet, aperiodic key services requiring ultralow time delay are forwarded preferentially and can be directly forwarded to an edge server for service processing, and meanwhile strict low-time-delay jitter of periodic services can be guaranteed based on scheduling of time perception. The method can be applied to the scene of coexistence of various time delay demand differentiated services in the Internet of Things, and the time delay and jitter performance of the network are improved.

Description

technical field [0001] The invention relates to the technical field of the Internet of Things, in particular to a delay-aware-based fog computing Internet of Things networking method. Background technique [0002] On the basis of the Internet, the Internet of Things uses radio frequency identification technology and various types of sensors to interconnect all ordinary items that can be independently addressed for information exchange and communication, so as to realize intelligent identification and overall management of physical systems. . As an important application scenario of the Internet of Things, the Industrial Internet of Things has recently attracted a lot of attention. [0003] Businesses in the Industrial Internet of Things are mainly divided into periodic services, such as multiple time-sensitive data streams from different applications, with different cycles and key priorities; non-periodic but critical priority services, such as alarms, security detection Ev...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04W72/08H04W72/10H04W72/54
CPCH04W4/70H04W72/542H04W72/56Y02D30/70
Inventor 孙耀华秦伟彭木根
Owner 江西省智慧物联研究院有限公司
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