Renewable energy supply base station access selection method and system

A technology of renewable energy and access selection, applied in the field of communication, can solve the problems of large emissions of greenhouse gases such as carbon dioxide and non-renewable power supply of the grid

Active Publication Date: 2013-04-17
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] To sum up, the disadvantage of the existing technology is that it only conducts research on base stations powered by a fixed power grid. The power supply of the fi

Method used

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  • Renewable energy supply base station access selection method and system
  • Renewable energy supply base station access selection method and system
  • Renewable energy supply base station access selection method and system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0049] Embodiment 1 provides a method for selecting access to a base station powered by renewable energy, and the steps are as follows: figure 1 As shown, it is assumed that there are K candidate base stations powered by renewable energy and M different terminals in the research area, which specifically includes the following steps:

[0050] Step A: Receive the information that affects the access selection of each candidate base station. The information that affects the access selection of candidate base stations includes: wireless link state s, minimum transmission rate r, maximum transmission power P, current current of candidate base stations powered by renewable energy Energy storage E and the amount of data B to be transmitted by the terminal. P k is the maximum transmission power of the kth candidate base station, B m The amount of data to be transmitted for the mth terminal, E k is the current energy storage of the kth candidate base station.

[0051] Step B: Accord...

Embodiment 2

[0088] In order to achieve the above purpose, Embodiment 2 of the present invention also provides a renewable energy-powered base station access selection system, the schematic diagram of which is shown in image 3 As shown, the system specifically includes:

[0089] Information collection module 31, energy efficiency optimization module 32 and access selection module 33;

[0090] The information collection module 31 is used to receive information that affects the access selection of candidate base stations. The information that affects the access selection of candidate base stations includes: wireless link status, minimum transmission rate, maximum transmission power, current storage capacity of candidate base stations powered by renewable energy The ability and the amount of data to be transmitted by the terminal.

[0091] The energy efficiency optimization module 32 is configured to calculate the optimal energy efficiency of the link according to the wireless link status, ...

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Abstract

The invention discloses a renewable energy supply base station access selection method and a renewable energy supply base station access selection system. The method comprises the following steps of: acquiring information which affects candidate base station access selection in a renewable energy supply wireless communication network; calculating optimal energy efficiency, which can be reached by a link, and a link energy consumption characteristic when a terminal is accessed to a candidate base station according to the received information which affects the candidate base station access selection; initializing a terminal set accessed to each candidate base station, judging whether a network with energy balance is an initial access terminal or not and sustainably determining an access scheme according to network energy with energy balance; and judging whether a non-accessed terminal is available or not, updating the terminal set accessed to each candidate base station to continuously perform access selection if the non-accessed terminal is available and otherwise finishing selection. According to the method and the system, energy sustainability and balance of all base stations in the entire network are improved, the integral energy consumption of the network is minimized, and the service time of the network is prolonged.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and system for access selection of base stations powered by renewable energy. Background technique [0002] In today's world, the issue of environment and development has become one of the core issues concerned by the international community. With the rapid growth of wireless communication network coverage and data service demand, wireless communication has also become the fastest growing field of energy consumption in the information communication industry. From two aspects of economic benefits and environmental protection, energy saving is one of the important goals in wireless communication network management. There have been many studies on green wireless communication networks at home and abroad, mainly focusing on technologies to reduce energy consumption of wireless communication networks and improve energy utilization efficiency, and to explore th...

Claims

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Application Information

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IPC IPC(8): H04W48/08H04W48/20
CPCH04W48/08H04W48/20H04W52/0206Y02D30/70
Inventor 冯志勇张平许颖张雨驰张奇勋
Owner BEIJING UNIV OF POSTS & TELECOMM
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