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US 12,763,460 B2Granted
Antenna module and electronic device
AssigneeBeijing Xiaomi Mobile Software Co., Ltd.
InventorsLi Hu, Wanbo Xie
Life of this patent
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Abstract
An antenna module includes: a primary transceiving unit, wherein the primary transceiving unit includes a first antenna; a diversity receiving unit, wherein the diversity receiving unit includes a second antenna; and an interference cancellation unit, wherein the interference cancellation unit includes a signal output unit, the signal output unit is configured to transmit a cancellation signal to the second antenna, the cancellation signal is configured to cancel a spatially-coupled interference signal received by the second antenna, and the spatially-coupled interference signal is a transmission signal entering the second antenna from the first antenna through spatial coupling.
Claims14
An antenna module, comprising:
- a primary transceiving unit, wherein the primary transceiving unit comprises a first antenna;
- a diversity receiving unit, wherein the diversity receiving unit comprises a second antenna;
- and
- an interference cancellation unit, wherein the interference cancellation unit comprises a signal output unit, the signal output unit is configured to transmit a cancellation signal to the second antenna, the cancellation signal is configured to cancel a spatially-coupled interference signal received by the second antenna, and the spatially-coupled interference signal is a transmission signal entering the second antenna from the first antenna through spatial coupling,
- wherein the interference cancellation unit further comprises an initial interference signal acquisition unit, and the signal output unit comprises a signal adjustment unit,
- wherein one end of the signal adjustment unit is connected to the initial interference signal acquisition unit, and the other end of the signal adjustment unit is configured to transmit the cancellation signal to the second antenna;
- and
- the initial interference signal acquisition unit is configured to acquire an initial interference signal, and the signal adjustment unit is configured to adjust the initial interference signal, so as to generate and output the cancellation signal,
- wherein the signal adjustment unit comprises an attenuator and a phase shifter, which are mutually connected,
- wherein the interference cancellation unit further comprises a first processing module, and the first processing module is connected to the attenuator and the phase shifter;
- and
- the first processing module is configured to determine a first parameter and a second parameter corresponding to power of the transmission signal according to a preset corresponding relation between the power and a working parameter, adjust a working parameter of the attenuator according to the first parameter, and adjust a working parameter of the phase shifter according to the second parameter.
9 more elements
An electronic device, comprising an antenna module, the antenna module comprising:
- a primary transceiving unit, wherein the primary transceiving unit comprises a first antenna;
- a diversity receiving unit, wherein the diversity receiving unit comprises a second antenna;
- and
- an interference cancellation unit, wherein the interference cancellation unit comprises a signal output unit, the signal output unit is configured to transmit a cancellation signal to the second antenna, the cancellation signal is configured to cancel a spatially-coupled interference signal received by the second antenna, and the spatially-coupled interference signal is a transmission signal entering the second antenna from the first antenna through spatial coupling,
- wherein the interference cancellation unit further comprises an initial interference signal acquisition unit, and the signal output unit comprises a signal adjustment unit,
- wherein one end of the signal adjustment unit is connected to the initial interference signal acquisition unit, and the other end of the signal adjustment unit is configured to transmit the cancellation signal to the second antenna;
- and
- the initial interference signal acquisition unit is configured to acquire an initial interference signal, and the signal adjustment unit is configured to adjust the initial interference signal, so as to generate and output the cancellation signal,
- wherein the signal adjustment unit comprises an attenuator and a phase shifter, which are mutually connected,
- wherein the interference cancellation unit further comprises a first processing module, and the first processing module is connected to the attenuator and the phase shifter;
- and
- the first processing module is configured to determine a first parameter and a second parameter corresponding to power of the transmission signal according to a preset corresponding relation between the power and a working parameter, adjust a working parameter of the attenuator according to the first parameter, and adjust a working parameter of the phase shifter according to the second parameter.
9 more elements
Dependencies are inferred from the claim text.