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Distributed power control method based on interference mean field in super-dense D2D network

A technology of power control and mean field, applied in power management, wireless communication, electrical components, etc., can solve problems such as power control that cannot be solved

Active Publication Date: 2017-01-11
XIDIAN UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to provide a distributed power control method based on interference mean field in an ultra-dense D2D network, which aims to solve the problem that the existing distributed power control method cannot solve the problem of power control in an ultra-dense D2D network environment

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[0030] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] The present invention proposes a mean field game theory framework based on the interference mean field approximation, and combines energy efficiency and power consumption design objective function; derives relevant Hamilton-Jacobi-Bellman equation (HJB) and Focke on the framework - Planck-Kolmogorov formula (FPK); based on the finite difference algorithm to solve the above HJB and FPK equations, based on this, a power control strategy for energy and interference awareness is proposed. The above HJB and FPK equations are respectively, the HJB equation: where u is the interference generated by the transmitter, c is t...

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Abstract

The invention discloses a distributed power control method based on an interference mean field in a super-dense D2D network. The distributed power control method based on interference mean field in a super-dense D2D network comprises the following steps: based on a mean field game theory framework of mean field approximation, an objective function is designed according to energy efficiency and consumed power; a relevant Hamilton-Jacobi-Bellman equation and a Fokker-Planck-Kolmogorov equation are exported on the mean field game theory framework; and the Hamilton-Jacobi-Bellman equation and the Fokker-Planck-Kolmogorov equation are solved based on a finite difference algorithm, and thus, a power control strategy oriented towards energy and interference perception is obtained. The objective function is designed according to energy efficiency and consumed power, and the power control strategy oriented towards energy and interference perception is put forward, and therefore, the spectrum efficiency and energy efficiency are improved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a distributed power control method based on an interference mean field in an ultra-dense D2D network. Background technique [0002] As a key candidate technology for 5G, Device-to-Device communication (Device-to-Device, D2D) has the potential to improve system performance, improve user experience, and expand cellular communication applications, and has attracted widespread attention. The D2D communication on the cellular network, or Proximity Service (ProSe), means that user data can be directly transmitted between terminals without going through the network. D2D communication is significantly different from traditional cellular communication network architecture. In the D2D communication mode, user data is directly transmitted between terminals, which avoids the transfer and transmission of user data through the network in cellular communication, resu...

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Application Information

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IPC IPC(8): H04W52/24
CPCH04W52/243
Inventor 杨春刚代浩翔李建东肖佳盛敏李红艳张越
Owner XIDIAN UNIV
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