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Energy scheduling method of micro-grid supplied multi-cell wireless communication system

A wireless communication system and energy dispatching technology, applied in wireless communication, electrical components, circuit devices, etc., can solve problems such as not considering cost

Inactive Publication Date: 2016-11-23
嘉兴国电通新能源科技有限公司 +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these literatures do not consider how to maximize the cost per unit

Method used

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  • Energy scheduling method of micro-grid supplied multi-cell wireless communication system
  • Energy scheduling method of micro-grid supplied multi-cell wireless communication system
  • Energy scheduling method of micro-grid supplied multi-cell wireless communication system

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Embodiment Construction

[0043] In order to make the object and effect of the present invention more clear, the following describes in detail the multi-cell wireless communication system powered by the microgrid and the method of the present invention.

[0044] The present invention considers a multi-cell downlink system model powered by a microgrid, such as figure 1 shown. Among them, the multi-cell downlink system contains N c cells, and each cell contains a N tFor a base station with one antenna and a mobile user with a single antenna, it is assumed that each user is only served by the base station in the cell, and the zero-forcing beamforming scheme is adopted, that is, the direction of the beam sent by the base station is fixed, and only the transmit power of the base station is allocated. use Indicates the channel from the base station of the nth cell to its mobile users, while using Denotes the zero-forcing beam vector, with Indicates the transmit beam power, the maximum transmit power ...

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Abstract

The invention discloses an energy scheduling method of a micro-grid supplied multi-cell wireless communication system. The energy scheduling method of the micro-grid supplied multi-cell wireless communication system comprises the steps of firstly defining a new efficiency metric, namely, cost efficiency, and modeling the micro-grid supplied multi-cell wireless communication system to obtain a cost efficiency optimization problem; then solving the optimization problem by utilizing Dinkelbach method and Lagrange dual decomposition method so as to obtain an energy scheduling scheme of the system; and finally realizing multi-cell communication of the system based on the energy scheduling strategy obtained through calculation. As an advanced convex optimization method is adopted for the design of transmitting power distribution of a base station in the micro-grid supplied multi-cell communication system, generated energy distribution of an electric generator in a micro-grid, battery charging and discharging quantity distribution in the micro-grid and an electric energy trading amount between the micro-grid and a main grid, the cost efficiency of the multi-cell communication system is increased while the requirement on the transmitting power of the base station is met, and expense of each unit is fully utilized.

Description

technical field [0001] The invention relates to the technical field of smart grid and information wireless communication, in particular to the design of an energy scheduling scheme for a multi-cell wireless communication system powered by a microgrid. Background technique [0002] The increase in the number of base stations makes electricity bills a major expense for mobile operators. In addition, the increase in the number of base stations leads to an increase in greenhouse gas emissions, further exacerbating the deterioration of the ecological environment. "Green communication" is proposed to solve these economic and ecological problems. In "green communications," clean and cheap renewable resources are developed to power base stations. Microgrids are developed precisely for the purpose of integrating renewable resources. Microgrid integrates distributed generators, distributed renewable resources and distributed energy storage equipment, with the purpose of providing el...

Claims

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Application Information

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IPC IPC(8): H04W52/26H04W88/08H02J3/00
CPCH02J3/00H04W52/265H04W88/08H02J2203/20
Inventor 张玲陈志勇史清江齐世强潘博
Owner 嘉兴国电通新能源科技有限公司
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