Random access optimization method and device of power IOT (Internet of Things) service

A power Internet of Things and random access technology, applied in the field of Internet of Things communication, can solve problems such as excessive delay, too many conflicts, and difficult to guarantee service reliability

Active Publication Date: 2018-11-27
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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Problems solved by technology

[0009] The present invention provides a random access optimization method and device for power Internet of Things services, which are used to solve the technical problems of excessive time delay, too many conflicts, and difficulty in guaranteeing service reliability in the random access mechanism of the existing Internet of Things system

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  • Random access optimization method and device of power IOT (Internet of Things) service

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Embodiment Construction

[0066] The embodiment of the present invention provides a random access optimization method and device for electric power Internet of Things services, which are used to solve the problems of excessive time delay, too many conflicts, and difficulty in guaranteeing service reliability in the random access mechanism of the existing Internet of Things system technical problem.

[0067] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. 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 protect...

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Abstract

The invention discloses a random access optimization method and device of power IOT (Internet of Things) service. The random access optimization method of power IOT service provided by the invention is based on a service driving granularity random access new mechanism, and comprises the steps that by aiming at periodic and power predicating service, noncompetitive random access sequences are reserved in advance and are distributed; channel resources are correspondingly accessed; the service access period and time delay requirements are guaranteed; by aiming at sudden service with sudden performance and different time delay sensitive levels, a proper scale of competitive random access resources are provided for terminal competitive random access; the carrying capability of the power IOT oneach kind of service is optimized; the conflict probability of random access of massive power IOT equipment is reduced; the time delay of various types of service of the power IOT is effectively reduced; the differential QoS requirement of various types of service of the power IOT is better met.

Description

technical field [0001] The present invention relates to the field of Internet of Things communication, in particular to a random access optimization method and device for electric power Internet of Things services. Background technique [0002] With the development of smart grid, especially the power communication system, the online monitoring of equipment in the power system, intelligent inspection, advanced measurement and power service, electric vehicles and charging piles, distribution network automation and other power grid terminal services are connected in a unified manner , In-depth mining of data value, the demand for forming a power Internet of Things is becoming more and more urgent. [0003] Random Access (Random Access) is the first step for terminals to transmit data in LTE and NB-IoT networks. The Physical Random Access Channel (PRACH) is an important channel in the system responsible for terminal access to the system. Random access generally includes two ty...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
CPCH04W74/085Y02D30/70
Inventor 曹扬李鹏许爱东陈华军王志明蒋屹新
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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