Interference detection method, device and system

A technology of interference detection and equipment, which is applied in the direction of electrical components, wireless communication, etc., can solve the problems of inaccurate detection of the existence of the system, interference, etc.

Active Publication Date: 2016-08-10
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The embodiment of the present invention provides an interference detection method, equipment and system to solve the problem of inability to accurately detect whether there is interference in the system in the prior art

Method used

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  • Interference detection method, device and system
  • Interference detection method, device and system
  • Interference detection method, device and system

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Embodiment 1

[0028] Such as figure 1 As shown, it is a schematic flow chart of the interference detection method in Embodiment 1 of the present invention, and the method includes the following steps:

[0029] Step 101: The interference detection device receives the Reference Signal Receiving Power (RSRP) and the Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio, SINR) of each user terminal reported by the base station.

[0030] The RSRP and SINR of each user terminal reported by the base station to the interference detection device are determined through the following steps:

[0031] Step 1: The base station receives the RSRP, Reference Signal Receiving Quality (RSRQ) and received signal strength indication (ReceivedSignal Strength Indicator, RSSI).

[0032] In the above-mentioned first step, each user terminal in the cell periodically measures the RSRP, RSRQ and RSSI of the cell according to the instructions of the network side, and carries the identificat...

Embodiment 2

[0088] Such as figure 2 As shown, it is a schematic structural diagram of the interference detection device in Embodiment 2 of the present invention. The interference detection device may be an operation and maintenance center OMC device or other third-party equipment, which is not limited in this embodiment of the present invention. The interference detection device Including receiving module 11, determining module 12 and detecting module 13, wherein:

[0089] The receiving module 11 is configured to receive the RSRP and SINR of each user terminal sent by the base station; the specific source and determination of the RSRP and SINR are detailed in step 101 in Embodiment 1 of the present invention, and will not be repeated here.

[0090] Preferably, the receiving module 11 is also configured to receive the carrier frequency information and location information sent by the base station used by each user terminal.

[0091] The determining module 12 is configured to determine th...

Embodiment 3

[0098] Such as image 3 As shown, it is a schematic structural diagram of an interference detection system in Embodiment 3 of the present invention. The interference detection system includes a base station 21, an interference detection device 22, and at least one user terminal 23:

[0099] The base station 21 is configured to receive the RSRP, RSRQ and RSSI reported by the user terminal, determine the SINR of the user terminal according to the RSRP, RSRQ and RSSI, and send the reference signal received power RSRP and SINR of each user terminal to the interference detection device.

[0100] The interference detection device 22 is configured to receive the reference signal received power RSRP and the signal-to-interference-plus-noise ratio SINR of each user terminal sent by the base station, and determine the numerical interval to which the RSRP of each user terminal belongs and the numerical interval to which the SINR belongs. Determine the quality parameter of RSRP according ...

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Abstract

The present invention discloses an interference detection method, equipment and system. The method includes: receiving the reference signal received power (RSRP) and the interference-plus-noise ratio (SINR) of each user terminal reported by a base station; determining the quality parameter and SINR of each user terminal's RSRP If the quality parameter of the user terminal in any area does not correspond to the quality parameter of the RSRP of the user terminal and the quality parameter of the SINR of the user terminal is greater than a preset threshold, it is determined that there is interference in the system. Through the technical solution of the present invention, since the RSRP and SINR of all user terminals in the cell covered by the base station are used, and the RSRP and SINR are analyzed using the relationship between RSRP and SINR, it can be objective, comprehensive and accurate to detect the presence of interference in the system.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to an interference detection method, device and system. Background technique [0002] In the existing mobile communication network, the user terminal needs to exchange data with the radio network controller through the base station to realize the required mobile communication services. However, there is often interference in the communication process between the base station and the user terminal, and the detection of interference And exclusion is an important guarantee for the quality of communication services. [0003] At present, in order to ensure the communication quality of the mobile communication network and provide users with better network services, the following methods can be used to detect the interference existing in the communication process: [0004] Method 1: Use a drive test (DT) test to find out whether there is interference from other signal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02
Inventor 余立
Owner CHINA MOBILE COMM GRP CO LTD
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