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An energy-saving optimization method for heterogeneous cellular wireless networks

A cellular wireless network and heterogeneous wireless network technology, which is applied in the field of energy-saving optimization of heterogeneous cellular wireless networks, can solve the problems of not further considering the dormancy of micro base stations, ignoring the probability density of macro base stations, and not considering the real-time changes in load, so as to achieve energy saving Energy, the effect of ensuring network service quality

Active Publication Date: 2018-06-22
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] However, the above studies did not consider the real-time changes in the load, and only analyzed the proportion of micro base stations that need to be dormant. They did not further consider which micro base stations are dormant, what kind of dormancy strategy is adopted, and more importantly, the probability of macro base stations is ignored. Impact of Density on Energy Efficiency

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  • An energy-saving optimization method for heterogeneous cellular wireless networks
  • An energy-saving optimization method for heterogeneous cellular wireless networks
  • An energy-saving optimization method for heterogeneous cellular wireless networks

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Embodiment Construction

[0018] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0019] According to the problem to be solved, the present invention designs a network model through Poisson distribution in random geometry, proposes an objective function to maximize energy efficiency, and optimizes the probability of macro base stations and micro base stations by using the method of seeking extreme values ​​of higher algebraic multivariate functions according to the objective function Density; then calculate the optimal dormancy load threshold of the macro base station and micro base station according to the knowledge of probability theory; then design the dormancy strategy of the base station according to this threshold.

[0020] The concrete steps of this method are as follows:

[0021] 1. Establish a system model:

[0022] In this method, a heterogeneous cellular wireless network including macro base stations and micr...

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Abstract

The invention relates to an energy-saving optimizing method for an isomerous honeycomb wireless network, and belongs to the technical field of wireless communication. The energy-saving optimizing method comprises the following steps of proposing an objective function with maximum energy efficiency through a poisson's distribution designed network model in a random geometry; optimizing the probability density of macro base stations and micro base stations by a method of solving an extreme value by using an advanced algebra multivariate function according to the objective function; calculating an optimal dormancy load threshold value of the macro base stations and an optimal dormancy load threshold value of the micro base stations according to the knowledge of a probability theory; and designing a dormancy strategy of the base stations according to the threshold values. By the energy-saving optimizing method, energy can be saved while the service quality of the network is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to an energy-saving optimization method for a heterogeneous cellular wireless network. Background technique [0002] Mobile communication technology has occupied an indispensable position in people's daily life, and has had a great impact on the development of human society. With the vigorous development of this technology, it has led to a huge increase in user demand and the number of users. Under the background of this and many factors, the heterogeneous cellular network has entered the stage of wireless network development and has become the focus of many researchers. At the same time, due to the dense deployment of micro base stations and the unbalanced load in different regions, it will inevitably lead to different degrees of energy waste, and the next-generation network (5G network) has a clearer understanding of energy-saving technologies in heterogeneous cellul...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02
CPCH04W52/0206H04W52/06Y02D30/70
Inventor 李云王俊伟赵为粮曹傧刘期烈
Owner CHONGQING UNIV OF POSTS & TELECOMM
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