Distribution network access layer communication system construction method based on long term evolution (LTE) technique

A construction method and access system technology, which is applied in the field of construction of distribution network access layer communication systems, can solve problems such as immature applications and achieve high-efficiency transmission

Active Publication Date: 2012-07-11
云南电网有限责任公司信息中心
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current LTE technology is mainly oriented to the development needs of the public communication network, and its application in the access layer communication network of the distribution network is still immature.

Method used

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  • Distribution network access layer communication system construction method based on long term evolution (LTE) technique
  • Distribution network access layer communication system construction method based on long term evolution (LTE) technique
  • Distribution network access layer communication system construction method based on long term evolution (LTE) technique

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Experimental program
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Effect test

Embodiment Construction

[0068] Such as figure 1 Shown is the network topology diagram of the distribution network access communication system. The power grid service data transmission and the LTE system can be connected in a wired or wireless way. The LTE terminal will send the received distribution network service data to the LTE base station in a wireless way. The LTE base station will receive it in a wired connection. The received data is transmitted to the distribution network master station. The direct connection between the LTE base station and the main station of the distribution network can also be in the form of a wireless connection.

[0069] figure 2 The processing steps of each event are as follows (scheduling process in the LTE distribution network access layer communication system):

[0070] S1.1: Count and allocate the wireless resources required by the current frame control information;

[0071] S1.2: Scheduling RRC control information data;

[0072] S1.3: Scheduling BCCH...

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Abstract

Provided is a distribution network access layer communication system construction method based on long term evolution (LTE) technique. The method is combined with requirements of a distribution network and achieves safe, reliable and efficient transmission of data of distribution automation businesses, collection reading businesses, negative control businesses, bidirectional speech / video businesses and video monitoring businesses and the like based on the LTE technique. The method comprises optimizing LTE wireless resource scheduling algorithm, combining wireless resource dynamic adjustment with a resource forecast mechanism, scheduling management data, new transmission data and retransmission data, managing data including control information of a radio resource control (RRC) layer aiming at user experience (UE), broadcast control channel (BCCH) control information, paging control channel (PCCH) control information and random access (RA) information; and maintaining RRC control information queues, BCCH control information queues, PCCH control information queues, RA information queues, new transmission data queues and retransmission data queues. Transmission of control information data is preferentially guaranteed, and business areas are separated from angle of resource distribution and strictly meet quality of service (QoS) parameters of businesses.

Description

technical field [0001] The invention belongs to the technical field of broadband wireless networks, and belongs to the technical field of a method for constructing a distribution network access layer communication system based on LTE technology. Background technique [0002] The distribution network is the part of the power grid that directly faces users and is a key link in the normal operation of the entire power system. With the automation and intelligent development of power distribution application system, power outage management system, fault repair service system, power distribution work management system, the scale of data transmitted between distribution network master station, distribution network sub-station and distribution terminal Will be bigger and bigger, the transmission requirements will be higher and higher. The communication system of the distribution network includes the backbone layer and the access layer, where the access layer is the communication ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/16H04W72/04H04W72/12
Inventor 龚宇吴玮杜洁吕垚游绍华杨竞悦罗云龙龙洋李芹杨坤丽
Owner 云南电网有限责任公司信息中心
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