A d2d dual-stream wireless network access method suitable for power distribution business

A technology for wireless network access, power distribution and consumption, applied in wireless communication, access restrictions, electrical components, etc., and can solve problems such as blind spot coverage of power wireless networks

Active Publication Date: 2021-05-04
POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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  • Application Information

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Problems solved by technology

[0013] In order to overcome at least one of the defects described in the above-mentioned prior art, the present invention provides a D2D dual-stream wireless network access method suitable for power distribution services, which solves the problem of blind area coverage of power wireless networks, and massive power distribution terminals concurrently send and receive access problem, and enhance the communication access reliability of power distribution business through dual-flow mode

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  • A d2d dual-stream wireless network access method suitable for power distribution business
  • A d2d dual-stream wireless network access method suitable for power distribution business
  • A d2d dual-stream wireless network access method suitable for power distribution business

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Embodiment 1

[0059] Such as figure 2 As shown, the existing LTE network architecture needs to enhance the corresponding support to support the realization of the D2D function. The specific network architecture can be found in literature [14]. This part of the network architecture is not the focus of the present invention, where the CPE is connected to distribution network automation terminals (DTU, RTU, FTU, etc.) and metering automation equipment (concentrators, public transformers, load control terminals, etc.) through network ports or RS232 / 458. The CPE is connected to the ENodeB device through the wireless air interface, and returns the collected data to the base station.

[0060] ENodeB also integrates some functions of RNC (Radio Network Controller, Radio Network Controller) at the same time, which reduces the level of protocols during communication. The MME is mainly responsible for functions such as mobility management, bearer management, user authentication, and selection of SGW...

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Abstract

The invention discloses a D2D dual-stream wireless network access method suitable for power distribution services. The D2D dual-stream access adopts a regionalized centralized aggregation mechanism, and a CPE in an area selects a cluster head as a data aggregation node CPE; The node CPE is the cluster head, which communicates with other CPEs in the cluster using D2D direct links, and after the data aggregation of all CPEs in the cluster is completed, it is sent to the ENodeB through the LTE air interface and ENodeB communication; a unique objective function and constraints are designed Conditions, the divide-and-conquer algorithm is simplified and optimized to solve the problem of blind area coverage of the power wireless network, the concurrent access problem of massive power distribution and consumption terminals, and the problem of enhancing the reliability of power distribution business communication access through dual-flow methods.

Description

technical field [0001] The present invention relates to the field of power distribution and utilization business, and more specifically, relates to a D2D dual-stream wireless network access method suitable for power distribution and utilization business. Background technique [0002] In order to meet the increasing demand of local communication load and provide better user experience, D2D (Device-to-Device, device-to-device) communication technology is proposed to be applied to LTE-Advanced (LTE-A) system [1,2]. LTE-A is an evolved version of LTE. Its purpose is to meet the higher requirements of the future wireless communication market and diversified wireless applications, and meet or even exceed the requirements of the International Mobile Telecommunications-Advanced (IMT-A) system. At the same time, it maintains good backward compatibility with the LTE system. D2D communication is a new type of technology that allows terminals to communicate directly by reusing cell res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W40/24H04W48/16H04W60/00
CPCH04W40/248H04W48/16H04W60/00
Inventor 黄宇
Owner POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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