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High energy efficiency power control method which takes energy harvest into consideration in ultra-dense network

An ultra-dense network and energy harvesting technology, which is applied in the field of high-efficiency power control considering energy harvesting, and can solve the problems of intra-layer and inter-layer interference, insufficient spectrum resources, etc.

Active Publication Date: 2016-08-24
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, due to the shortage of spectrum resources, in more cases, the spectrum is shared between Macrocell and Femtocell, which inevitably generates interference between the same layer and cross-layer

Method used

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  • High energy efficiency power control method which takes energy harvest into consideration in ultra-dense network
  • High energy efficiency power control method which takes energy harvest into consideration in ultra-dense network
  • High energy efficiency power control method which takes energy harvest into consideration in ultra-dense network

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Embodiment Construction

[0036] In order to describe the advantages of the technical method of the present invention more clearly, the specific embodiments of the present invention will be further elaborated below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. According to the embodiments of the present invention, those skilled in the art can realize all other embodiments of the present invention on the basis of no creative work, and all belong to the protection scope of the present invention.

[0037] figure 1 It is a flow chart of home base station power allocation in the embodiment of the present invention, and each step is a specific implementation mode,

[0038] Step 101: Set up a two-layer heterogeneous network scenario. There are 20 home base stations deployed on the same frequency under one macro base station, and each home base station serves 3 home users;

[0039] Step 102: Set t...

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Abstract

The invention discloses a high energy efficiency power control method which takes energy harvest into consideration in an ultra-dense network. The method comprises following steps of 1, setting a double-layer heterogeneous network scene; 2, distributing subchannels; 3, carrying out initial power distribution on each subchannel of a macro base station and each home base station; 4, judging whether the power distribution of all home base stations is converged or not, or whether the number of iterations exceeds an upper limit or not; 5, solving the optimum transmitting power distribution of the home base stations; 6, stopping iteration of this time; finishing distribution of wireless resources of each home base station; and waiting for scheduling of next time. According to the method, the QoS demands of the users of the home base stations are taken into consideration, and moreover, the energy efficiency of the heterogeneous network is improved greatly by using an energy harvest technique.

Description

technical field [0001] The invention belongs to the field of communication engineering, relates to an ultra-dense network deployment scenario, and in particular relates to an energy-efficient power control method considering energy collection in an ultra-dense network. Background technique [0002] In recent years, with the rapid development of mobile Internet technology, users' demand for mobile data traffic has increased exponentially. The contradiction between the sharp increase in demand for mobile data services and the scarce wireless spectrum resources has gradually become a major challenge for existing macrocellular networks. Since most LTE networks use high-frequency bands, signal coverage in indoor environments is not ideal. In order to meet the user's business needs, especially indoor business needs, deploying low-power access points in the macro cellular network can further shorten the distance between the user and the serving base station, reduce the attenuation...

Claims

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Application Information

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IPC IPC(8): H04W52/24H04W52/26H04W52/30
CPCH04W52/241H04W52/265H04W52/30
Inventor 陈志强路兆铭温向明景文鹏陈昆丁无穷
Owner BEIJING UNIV OF POSTS & TELECOMM
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