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Terminal noise interference monitoring method and device

A noise interference and terminal technology, which is applied in the field of terminal noise interference monitoring methods and devices, can solve the problems of not being able to monitor terminal noise interference well and accurately determine the terminal NI level, etc.

Active Publication Date: 2016-08-24
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Embodiments of the present invention provide a method and device for monitoring terminal noise interference, which are used to solve the existing problems that the terminal noise interference cannot be well monitored and the NI level of the terminal cannot be accurately determined.

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  • Terminal noise interference monitoring method and device
  • Terminal noise interference monitoring method and device
  • Terminal noise interference monitoring method and device

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Embodiment Construction

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] An embodiment of the present invention provides a method for monitoring terminal noise interference, which independently calculates the NI of each sub-channel occupied by the detected terminal in units of sub-channels, and then calculates the NI of each sub-channel occupied by the detected terminal according to the ratio of the bandwidth of each sub-channel to the total bandwidth. The NI levels of different sub-channels are fitted to obtain the NI level of the terminal within the monitoring period, that is, the NI fitting value. In this way, a re...

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Abstract

Disclosed are a method and apparatus for monitoring the noise and interference (NI) of a terminal. The method comprises: determining a sub-channel occupied by a monitored terminal within a preset monitoring period; respectively determining an NI value corresponding to each occupied sub-channel when the monitored terminal transmits each data frame; selecting for each occupied sub-channel an NI value not smaller than a preset minimum number from the determined NI values, and calculating the NI estimation value of the sub-channel according to the selected NI value; and according to the occupied proportion of each sub-channel in total bandwidth, fitting the calculated NI estimation value of the sub-channel to obtain the NI fitting value of the monitored terminal. The method and apparatus of the present invention can accurately monitor the NI level of the terminal.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for monitoring terminal noise interference. Background technique [0002] Under the two preconditions that there are enough continuous sample points and the interference is stable, the noise and interference (NI) level of the sub-channel can be estimated more accurately by using the pilot frequency and channel estimation. If you want to observe its NI level based on the terminal, you will face two problems: [0003] One is that it cannot satisfy the two prerequisites that there are enough continuous sample points and the interference is stable. Limited by the bandwidth resource and scheduling strategy of the base station and the stability of the terminal business, the bandwidth of the terminal is often changing, sometimes large and sometimes small, and the data does not necessarily appear continuously in frames, which is very important for obtaining en...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/345H04L25/02
CPCH04B17/18H04L1/20H04L25/02H04L25/022H04W28/04
Inventor 任唯贤董志峰梁波
Owner ZTE CORP