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Self-interference elimination method, terminal and computer storage medium

A self-interference elimination and terminal technology, applied in the direction of electrical components, transmission systems, etc., can solve the problems of reducing the superior performance of 5G, interference reception of communication equipment, limiting the promotion and application of full-duplex at the same frequency

Active Publication Date: 2019-03-01
OPPO CHONGQING INTELLIGENT TECH CO LTD
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  • Application Information

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Problems solved by technology

[0003] However, the biggest problem facing the same-frequency full-duplex communication is that there will be strong self-interference, that is, the transmission of the communication device itself will interfere with its own reception, and the received signal is an extremely weak signal. It will greatly reduce the superior performance of 5G, resulting in difficulties in the demodulation of terminals and base stations, thus limiting the promotion and application of full-duplex at the same frequency

Method used

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  • Self-interference elimination method, terminal and computer storage medium
  • Self-interference elimination method, terminal and computer storage medium
  • Self-interference elimination method, terminal and computer storage medium

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Embodiment Construction

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the specific embodiments described here are only used to explain the related application, not to limit the application. It should also be noted that, for the convenience of description, only the parts related to the relevant application are shown in the drawings.

[0043]In the future, 5G communication will use a brand-new communication working method, which is the full-duplex communication method involved in this application. The existing communication mode is mainly half-duplex mode, which uses orthogonal time slot intervals for transmission and reception, that is to say, when the system is receiving, the transmission function will be turned off; and when the system is transmitting, the same Receive is also turned off. This working mode will ca...

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Abstract

Embodiments of the application disclose a self-interference elimination method, a terminal and a computer storage medium. The self-interference elimination method is applied to a terminal equipped with two transmitting antennas, wherein the terminal is also equipped with an inverter and a delay module. The self-interference elimination method comprises the steps of: transmitting a first signal X according to n time units through a first transmitting antenna, wherein the n is an integer greater than 1; controlling a second transmitting antenna to transmit a second signal Y according to n time units through the inverter and the delay module, wherein the X and the Y are the same in size and opposite in phase; and receiving an integral receiving signal P according to n+1 time units through a receiving antenna.

Description

technical field [0001] The embodiments of the present application relate to the technical field of terminal communication, and in particular, to a self-interference elimination method, a terminal, and a computer storage medium. Background technique [0002] The full-duplex method used by the fifth-generation mobile communication technology (Fifth-generation, 5G) is a communication mode that simultaneously receives and transmits at the same frequency. It can not only transmit and receive at the same time, but also transmit and receive at the same frequency. , which greatly saves spectrum resources and can also increase the existing communication rate. [0003] However, the biggest problem facing the same-frequency full-duplex communication is that there will be strong self-interference, that is, the transmission of the communication device itself will interfere with its own reception, and the received signal is an extremely weak signal. It will greatly reduce the superior pe...

Claims

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Application Information

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IPC IPC(8): H04B1/40H04B1/525
CPCH04B1/40H04B1/525
Inventor 杨怀
Owner OPPO CHONGQING INTELLIGENT TECH CO LTD
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