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Method and device for identifying cause of rtwp lift

A technology for identifying methods and causes, which is applied in the field of communication, can solve problems such as the source of interference cannot meet the needs, and achieve the effect of improving efficiency and accuracy

Active Publication Date: 2018-03-13
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problem that the method of judging the source of interference in the related art cannot meet the needs, the present invention provides a method and device for identifying the cause of RTWP lift, so as to at least solve the above problems

Method used

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  • Method and device for identifying cause of rtwp lift
  • Method and device for identifying cause of rtwp lift
  • Method and device for identifying cause of rtwp lift

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Embodiment 1

[0044] In this preferred embodiment, an interference analysis method for RTWP elevation is provided, which can analyze whether the cause of RTWP elevation is internal interference, and can analyze the specific cause of the internal interference. In this preferred embodiment, by applying uplink capacity estimation to interference analysis, it can be judged whether the increase of RTWP is caused by excessive traffic or abnormal network power control parameters.

[0045] In order to solve the above technical problems, the solution adopted in this preferred embodiment includes the following steps:

[0046] Step 1: Extract KPI indicators such as RTWP, background noise, and traffic volume of the target cell within a certain period of time at a certain time granularity. The service volume index may include but not limited to CS traffic volume, PS R99 traffic volume, PS HSUPA traffic volume and other indicators.

[0047] Step 2: Calculate the theoretical RTWP increase value caused by...

Embodiment 2

[0054] In this preferred embodiment, the cause of the rise of RTWP is internal interference as an example for illustration. Figure 5 It is a schematic flow diagram of the analysis method according to Embodiment 2 of the present invention, such as Figure 5 As shown, the analysis method includes the following steps:

[0055] Step S502: Set the time granularity, and obtain the RTWP and traffic volume index of the target cell within the time period to be tested. For example, the RTWP indicator can use 15 minutes or 1 hour as the time granularity to obtain data of 1 week or 2 weeks.

[0056] Step S504: Calculate the theoretical RTWP increase value caused by the business within each time granularity. A preferred embodiment of this step is as follows:

[0057] S504-2: Calculate the CS service load. According to the CS traffic volume of the target cell, the number of channels is obtained from the ErlB table query, then the uplink load generated by the CS service = the number of ...

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Abstract

The invention discloses a method and apparatus for identifying received total wideband power (RTWP) increasing reason. The method comprises the following steps: obtaining a preset RTWP increasing value, caused by a service, of a target cell; obtaining an actual RTWP increasing value according to an actual RTWP and a background noise of the target cell; and on the basis of correlation between the preset RTWP increasing value and the actual RTWP increasing value, determining an RTWP increasing reason of the target cell. With the method and the apparatus, a problem that the demand can be not be satisfied by using a way of interference source determination in correlation technique can be solved, so that the efficiency and accuracy for interference source determination can be improved. Moreover, the performances of convenience and easy operation are realized.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a method and device for identifying the cause of an increase in Received Total Wideband Power (abbreviated as RTWP). Background technique [0002] The Universal Mobile Telecommunications System (UMTS for short) system is an uplink interference-limited system. The UMTS system interference mentioned here may refer to uplink interference of systems such as UMTS2100 and UMTS900. The uplink interference of the UMTS system is usually measured by Received Total Wideband Power (abbreviated as RTWP) (also known as the total power within the receiving bandwidth). According to the definition of the 3rd Generation Partnership Project (3GPP), the total received wideband power (RTWP) is the total received wideband power within the bandwidth (3.84MHz) defined by the pulse shaping filter, including Noise generated by the receiver. RTWP reflects the total interference level of the up...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/00H04W28/16
CPCY02D30/70
Inventor 麦勇奇王燕云赵国峰王跃
Owner ZTE CORP
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