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Signal optimization method and system

A signal and cell technology, applied in the field of signal optimization methods and systems, can solve problems such as irregularities

Active Publication Date: 2015-06-17
ULTRAPOWER SOFTWARE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the complexity, irregularity and randomness of the actual wireless propagation environment, the error of traditional cellular coverage and theoretical analysis of interference is a big problem
Moreover, the use of traditional analysis algorithms has great limitations when analyzing different wireless network coverage structures and analyzing the possibility and inevitability of interference.

Method used

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  • Signal optimization method and system
  • Signal optimization method and system

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Embodiment Construction

[0050] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0051] see figure 1 , the embodiment of the present invention provides a signal optimization method, specifically including:

[0052] S101: Calculating co-channel interference probabilities between a designated serving cell and other serving cells within a statistical average measurement period.

[0053] The embodiments of the present invention aim at the cellular wireless network of the mobile communication system, and use the interference matrix between serving cells to reflect the coverage overlap relationship of the wireless network. The following formula (1) is the same-frequency interference matrix (also called the same-frequency constraint matrix) of cellular wireless. in, for D j Time statistical average measurement period s...

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Abstract

The invention discloses a signal optimization method and system, and relates to the technical field of mobile communication. According to the method, statistics can be conducted on the same-frequency interference probability of the designated cells and other cells in an average measurement time frame through calculation; an adjoining cluster cell set is obtained, wherein adjoining cluster cells and the designated cells are provided with the signal power covering overlapping regions, and a maximum link cluster cell set is obtained, wherein maximum link cluster cells and the designated cells are provided with the power overlapping regions respectively in pairs; the same-frequency interference type of the designated cells is determined, and signal optimization processing is conducted according to the relation of the amount of the carrier frequencies occupied by the designated cells and the amount of available maximum frequency points of the system. The interference existing possibility and inevitability are analyzed precisely by analyzing different wireless network covering conditions, it can be precisely determined whether signal optimization is conducted through a network structure optimization mode or a frequency optimization mode according to the specific type of the existing interference, signal optimization is precise, besides, the algorithm is simple, and efficiency is high; a scientific and precise measuring and analysis means can be provided for adjusting and optimizing the wireless network structure.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a signal optimization method and system. Background technique [0002] In the traditional mobile communication system analysis theory, the analysis and comparison of coverage and interference of cellular wireless networks such as GSM and CDMA are usually modeled in the form of regular geometric cellular cluster multiplexing, combined with specific multiple access multiplexing modes and wireless propagation models, And the main factors such as the corresponding uniform user distribution characteristics are calculated and analyzed. Due to the complexity, irregularity and randomness of the actual wireless propagation environment, the error of traditional cellular coverage and theoretical analysis of interference is a big problem. Moreover, traditional analysis algorithms have great limitations when analyzing different wireless network coverage structures and the possib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02
CPCH04W24/02
Inventor 黄剑锋
Owner ULTRAPOWER SOFTWARE
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