Interference signal elimination method and device

A technology for interfering with signals and signals, applied in transmission systems, electrical components, etc., can solve problems such as signal self-interference, restriction, and communication equipment that cannot receive and send signals normally, achieving a high degree of intelligence, improving communication quality, The effect of improving user experience

Inactive Publication Date: 2019-06-07
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Problems solved by technology

[0003] In the related art, in the case of using MIMO technology, there are signal self-interference and mutual interference problems between the multi-transmission signal and the multi-reception signal of the communication equipment using full-duplex communication; and the existence of self-interference signals and mutual interference signals, It will seriously affect the communication quality of the communication equipment, causing the communication equipment to fail to receive and send signals normally, seriously restricting and affecting the user experience of the communication equipment

Method used

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  • Interference signal elimination method and device
  • Interference signal elimination method and device
  • Interference signal elimination method and device

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[0053] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0054]In the related art, in the case of using MIMO technology, there are signal self-interference and mutual interference problems between the multi-transmission signal and the multi-reception signal of the communication equipment using full-duplex communication; and the existence of self-interference signals and mutual interference signals, It will seriously affect the communication ...

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Abstract

The invention relates to an interference signal elimination method and device. The interference signal eliminating device comprises a first coupler, an adjusting module, a combiner, a second coupler and a control module. The power and the phase of the reference signal coupled from the transmitting signal are adjusted, so that the cancellation signal can suppress and eliminate the interference signal formed by the transmitting signal at the receiving antenna, the communication equipment can normally receive and transmit the received information and the transmitted information, the communicationquality of the communication equipment is improved, and the user experience is improved.

Description

technical field [0001] The present disclosure relates to the technical field of communication equipment, and in particular, to a method and device for eliminating interference signals. Background technique [0002] The fifth-generation mobile communication (5G) era is coming. As the key technologies of 5G communication, such as full-duplex (Full-duplex), multiple-input multiple-output system (MIMO, Multiple-Input Multiple-Output), orthogonal frequency division multiplexing Technologies such as OFDM (Orthogonal Frequency Division Multiplexing) will be widely used in 5G communications. [0003] In the related art, in the case of using MIMO technology, there are signal self-interference and mutual interference problems between the multi-transmission signal and the multi-reception signal of the communication equipment using full-duplex communication; and the existence of self-interference signals and mutual interference signals, It will seriously affect the communication qualit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/10H04B1/16
CPCH04B1/525H04B1/12
Inventor 陈朝喜
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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