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Base station power control method

A technology of power control and base station, applied in the field of communication, which can solve problems affecting user terminal experience, etc.

Inactive Publication Date: 2021-06-11
中国人民解放军军事科学院战争研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a base station power control method, which has the advantages of avoiding uplink interference by reducing the transmission power, and solves the problem that the interference between different base stations will affect the experience of the user terminal

Method used

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Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] A base station power control method, comprising the following steps:

[0023] Step 1. Base station A sends information to user terminal B. The base station obtains the B1 transmission power for sending information to the user terminal, and determines the C1 data interference intensity to the terminal to which the adjacent base station belongs through the obtained B1 transmission power.

[0024] In Step 1, the transmission power of the user terminal B is transmitted fro...

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Abstract

The invention relates to the technical field of communication, and discloses a base station power control method. The method comprises the following steps: 1, enabling a base station A to send information to a user terminal B, and enabling the base station to obtain B1 transmitting power for sending the information to the user terminal, and determining the C1 data interference intensity of the terminal to which the adjacent base station belongs through the obtained B1 transmitting power; 2, comparing the obtained C1 data interference intensity with an interference threshold to obtain a D1 difference value; 3, judging whether the D1 difference value is greater than zero or not, if the D1 difference value is less than or equal to zero, not reducing the B1 transmitting power, and if the D1 difference value is greater than zero, reducing the B1 transmitting power to B2 transmitting power; after the base station A obtains the transmitting power of the B2, continuing the judgment until the transmitting power is controlled to be a proper value. According to the invention, the transmitting power can be effectively controlled and reduced, so that the interference between adjacent base stations is reduced, the uplink capacity of the system is increased, and the standby time of the terminal is prolonged.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a base station power control method. Background technique [0002] Power control is one of the most important requirements in cellular systems. The TD-SCDMA system is an interference-limited system. Due to the near-far effect, its system capacity is mainly limited by the interference of each mobile station and base station in the system. Therefore, if the signal of each mobile station reaches the base station, the communication can be guaranteed. The minimum signal-to-noise ratio required by the quality and keep the system synchronous, the capacity of the TD-SCDMA system will reach the maximum. Power control is to change the transmission power in time to compensate for the path loss and fading in the wireless channel on the basis of evaluating the received signal strength or signal-to-noise ratio at the receiver, so as to maintain the communication quality without affecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/24
CPCH04W52/243
Inventor 高原王平郭洋王景阮启明吴晓杨思明
Owner 中国人民解放军军事科学院战争研究院
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