Method for cancelling self-interference of in-band full-duplex multiple-input multiple-output wireless communication
First Claim
1. An operation method of an in-band full duplex (IFD) multiple-input multiple-output (MIMO) transceiver including a reception part, a transmission part, an analog self-interference (SI) generator, and a self-interference cancellation (SIC) controller, the operation method comprising:
- receiving, at the SIC controller, a signal for transmission signal forming;
generating, at the SIC controller, a control signal for analog SIC and digital SIC and outputting the control signal to the reception part and the analog SI generator;
cancelling, at the SIC controller, SI of a transmission signal of the transmission part based on the control signal and the signal for the transmission signal forming; and
cancelling, at the reception part, SI of a signal of the reception part based on the control signal,wherein, the signal for the transmission signal forming is an oversampled signal of the transmission signal.
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Abstract
An operation method of an in-band full duplex (IFD) multiple-input multiple-output (MIMO) transceiver, including a reception part, a transmission part, an analog self-interference (SI) generator, and a self-interference cancellation (SIC) controller, may comprise generating, at the SIC controller, a control signal for analog SIC and digital SIC and outputting the control signal to the reception part and the analog SI generator; cancelling, at the SIC controller, SI of a transmission signal of the transmission part based on the control signal; and cancelling, at the reception part, SI of a signal of the reception part based on the control signal.
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Citations
7 Claims
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1. An operation method of an in-band full duplex (IFD) multiple-input multiple-output (MIMO) transceiver including a reception part, a transmission part, an analog self-interference (SI) generator, and a self-interference cancellation (SIC) controller, the operation method comprising:
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receiving, at the SIC controller, a signal for transmission signal forming; generating, at the SIC controller, a control signal for analog SIC and digital SIC and outputting the control signal to the reception part and the analog SI generator; cancelling, at the SIC controller, SI of a transmission signal of the transmission part based on the control signal and the signal for the transmission signal forming; and cancelling, at the reception part, SI of a signal of the reception part based on the control signal, wherein, the signal for the transmission signal forming is an oversampled signal of the transmission signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An operation method of an in-band full duplex (IFD) multiple-input multiple-output (MIMO) transceiver including a reception part, a transmission part, an analog self-interference (SI) generator, and a self-interference cancellation (SIC) controller, the operation method comprising:
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generating, at the SIC controller, a control signal for analog SIC and digital SIC and outputting the control signal to the reception part and the analog SI generator; cancelling, at the SIC controller, SI of a transmission signal of the transmission part based on the control signal; and cancelling, at the reception part, SI of a signal of the reception part based on the control signal, wherein the control signal is generated based on an output signal of the analog SI generator and an output signal of a reception (RX) analog-to-digital converter (ADC) in the reception part.
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Specification