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Power distribution method based on volume-weighted acceleration in millimeter multi-antenna system

A multi-antenna system and weighted capacity technology, which is applied in radio transmission systems, power management, transmission systems, etc., can solve problems such as not being able to allocate base station power in an optimal way, and achieve optimal power allocation results and small approximation errors.

Active Publication Date: 2018-01-12
东营正诺技术服务有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that existing methods cannot allocate base station power in an optimal way, that is, to minimize interference by allocating base station power, and to provide a power allocation method based on weighted capacity growth in a millimeter wave multi-antenna system

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  • Power distribution method based on volume-weighted acceleration in millimeter multi-antenna system
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  • Power distribution method based on volume-weighted acceleration in millimeter multi-antenna system

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] First, the application scenario of the method of the present invention is introduced: the base station has placed a uniform rectangular array with a root antenna, and there is a terminal in each cell, and each terminal has a root antenna; the beam spatial channels from the base station to all terminals form a matrix H b ;H b The conjugate transpose of The power allocated by the base station to the th terminal is p k ; The transmit power of the base station is ρ; the set of numbers of terminals whose allocated power is not zero is The set of numbers of the remaining terminals is; the weight of the first terminal is b k ;The terminal with the largest weighted derivative of capacity versus power is numbered k x , the corresponding power increase is δ(k ...

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Abstract

The invention relates to a power distribution method based on volume-weighted acceleration in a millimeter multi-antenna system. The present cellular wireless communication frequency band is hard to satisfy the increasing data service demand. An approximate convex characteristic and monotony of the volume of in the millimeter multi-antenna system is used for distributing the power in the method disclosed by the invention; the derivative on the power by the weighted volume of each terminal is computed by using this characteristic, namely the weighted volume acceleration, and the power is distributed for the terminal according to the weighted volume. The maximum progressive volume can be realized when the weighted volume accelerations of various terminals are same, namely, the base station antenna amount tends to infinite system volume. Since the volume characteristic in the millimeter multi-antenna system is used in the method disclosed by the invention, namely, the approximate error ofthe volume characteristics is small when the base station antenna amount is more, and the better power distribution result can be obtained.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a power allocation method based on weighted capacity growth in a millimeter wave multi-antenna system, and is a method for allocating transmission power of a base station for multiple terminals. Background technique [0002] The current frequency band of cellular wireless communication is already very crowded, and it is difficult to meet the demand of increasing data services. Increasing the frequency of radio waves to the frequency of millimeter waves can effectively solve the current situation of crowded frequency bands. In addition, the wavelength of the millimeter wave is short, and the length of the antenna can be shortened. Both the base station and the terminal can be equipped with a large number of antennas to improve the utilization rate of the transmission frequency band. In the millimeter wave multi-antenna system, the base station is equipped with hundre...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/24H04W52/34H04W52/38H04B7/0426
Inventor 胡安中
Owner 东营正诺技术服务有限公司
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