Cell load forecasting method

A technology of cell load and predicted value, applied in the communication between multiple stations, network planning, electrical components, etc., can solve the problems of being susceptible to outliers, reducing tracking characteristics, and load tracking delay, and reaching the standard deviation Low, good tracking characteristics, the effect of improving accuracy

Active Publication Date: 2007-05-23
HUAWEI TECH CO LTD
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Problems solved by technology

However, when the filter coefficient is set too large, there will be more historical data to be measured, which will lead to a decrease in tracking characteristics, which in turn leads to low accuracy of cell load prediction; if the filter coefficient is set too small, the accuracy of the cell load prediction value will not only decrease When the filter coefficient is 1, the cell load prediction value is high, and it is relativel

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Embodiment Construction

[0041] The present invention provides a method for realizing community load prediction. The main idea of ​​the method is: collect historical data of community load, obtain the actual output value of community load, perform iterative calculation to obtain the predicted value of community load, and then calculate the community load The difference between the predicted value and the actual output value, and then calculate the adjustment value of the weight and deviation according to the iterative formula, and then update the weight and deviation. When the value difference is smaller than the preset value, the predicted value of the load of the cell is obtained by using the new weight value and deviation for calculation.

[0042] According to the basic idea of ​​the above method, the specific technical solution of the method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0043] With reference to Fig. 1, Fig. 1 is the mai...

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Abstract

The invention relates to a method for predicting the region load, which comprises that: a, collecting the history data of region load and randomly generating weight and bias; b, using the weight and bias to calculate out the predicted value of region load, and the difference between predicted value and real output value; c, using iterate formula to calculate out the adjusting value of weight and bias, refreshing weight and bias; d, judging if the iterate times is over preset time, or judging if the difference between predicted value and output value is lower than preset value; if it is lower, using refreshed weight and bias to calculate the predicted value, ending, or else, entering into step b. The invention can improve the predict accuracy with better track property.

Description

technical field [0001] The invention relates to the field of mobile communication radio resource control, in particular to a method for realizing cell load prediction. Background technique [0002] Since the Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access) system is a self-interference system, any user in the system is the potential interference of other users. In order to facilitate system planning, it is necessary to know the forward and reverse According to various interference situations, then calculate the size of the cell and balance the front and reverse links of the system, and the actual cell size is determined by the propagation model of the area and the tolerable path loss of the front and reverse links, so in When performing radio resource control, the uplink and downlink load is an important evaluation factor. At present, the load control method is usually used to evaluate the uplink and downlink load of the cell. The load c...

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Application Information

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IPC IPC(8): H04Q7/36H04B7/26H04W16/22H04W24/10
Inventor 吴玉忠
Owner HUAWEI TECH CO LTD
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