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Method for eliminating system interference, apparatus thereof, and terminal thereof

A system interference and terminal technology, applied in the field of communication, can solve problems such as interference, and achieve the effect of solving interference and utilizing spectrum resources

Active Publication Date: 2015-03-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a method, device, and terminal for reducing system interference, so as to solve the interference problem between systems and effectively improve the utilization rate of spectrum resources

Method used

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  • Method for eliminating system interference, apparatus thereof, and terminal thereof
  • Method for eliminating system interference, apparatus thereof, and terminal thereof
  • Method for eliminating system interference, apparatus thereof, and terminal thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] 1) Through pre-network planning research, the network can know the interference frequency band information of LTE interfered by ISM in advance;

[0093] 2) For a terminal scheduled to work in the LTE interference frequency band, the network side sends a signaling to the terminal to set the upper limit of its available transmit power resources;

[0094] That is to say, for the frequency resources in the LTE interference frequency band, set the upper limit of its available transmission power resources; wherein, the limitation method of the upper limit of the available transmission power resources is: according to the distance from the mutual interference frequency band of the second communication system. different restrictions.

[0095] Such as Figure 7 As shown, the second communication system in this embodiment takes the ISM frequency band as an example, that is, the value of the upper limit of available power resources is set according to the distance from the ISM fr...

Embodiment 2

[0109] 1) The terminal pre-stores the interference frequency band information interfered by LTE by ISM;

[0110] 2) The terminal sets the upper limit of its available transmit power resources according to the interference frequency band information;

[0111] The process of setting the upper limit of the transmit power resources available to the terminal is described above in detail, and will not be repeated here.

[0112] 3) For the terminal scheduled to work in the LTE interference frequency band, the terminal works according to the preset upper limit of available transmit power resources.

[0113] Wherein, the working mode of the terminal also includes the above two working modes, which will not be repeated here.

[0114] 4) When the power requirement of the terminal's business exceeds the upper limit of available transmit power resources, the terminal may be scheduled to work on other spectrum resources, for example, the terminal is scheduled to work on spectrum resources ...

Embodiment 3

[0116] 1) The network knows the interference frequency band information of LTE interfered by ISM;

[0117] 2) For the terminal scheduled to work in the LTE interference frequency band, the network side issues an instruction for adjusting the upper limit of the terminal's available transmit power resources to the terminal;

[0118] 3) For the terminal receiving the command, perform power limitation according to the upper limit of the internal pre-stored available transmission power resources;

[0119] Wherein, the process of performing power limitation on the upper limit of the available transmission power resources is described above in detail, and will not be repeated here.

[0120] 4) The terminal works according to its limited transmission power resource.

[0121] The terminal working method is detailed in the above working method.

[0122] 5) When the power requirement of the terminal's business exceeds the upper limit of the transmission power resource, the terminal can...

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Abstract

An embodiment of the invention provides a method for eliminating system interference, an apparatus thereof, and a terminal thereof. The method comprises the following steps: a network side determines an interference frequency range of interference of a second communication system on a first communication system; to a terminal which is scheduled to the interference frequency range for working, the network side issues an instruction of adjusting an upper limit of available emission power resource of the terminal to the terminal so that the terminal works according to an adjusted upper limit of the available emission power resource. According to the embodiment, an interference problem between communication systems is effectively solved, increasing a frequency resource protection band is not needed, and frequency spectrum resource is utilized to the utmost extent.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and terminal for eliminating system interference. Background technique [0002] Currently, with the development of communication technology, wireless local area network (WLAN, Wireless Local Area Network), wireless networking (WiFi) or Bluetooth (Bluetooth) are widely deployed around the world as popular wireless devices. The wireless devices all use an Industrial Scientific Medical (ISM) frequency band (abbreviated as ISM device herein). The frequency band used by the ISM device is adjacent to the frequency band used by mobile communications, for example, 2.4 GHz is an ISM frequency band shared by various countries defined by the International Telecommunication Union (ITU, International Telecommunication Union). Long Term Evolution (LTE, Long Term Evolution), as an emerging wireless communication technology, not only meets the development needs o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/04H04W72/12
Inventor 尹丽燕
Owner HUAWEI TECH CO LTD