Radio-Frequency Chip
AssigneeHuawei Technologies Co., Ltd.
InventorsYong Huang, Keji Cui, Lei Lu
Life of this patent
Estimating the term…
Abstract
A radio-frequency chip is provided, and relates to the field of chip technologies, to reduce a component loss caused by redundant components in the radio-frequency chip. The radio-frequency chip includes a phased array, the phased array includes a plurality of branches, and each of the plurality of branches includes a transmitting path, a receiving path, a common path, and a phase shifter. The phase shifter includes a first phase shift unit, a second phase shift unit, and a third phase shift unit. The first phase shift unit is located on the transmitting path, the second phase shift unit is located on the receiving path, and the third phase shift unit is located on the common path.
Claims20
A radio-frequency chip, comprising:
- a phased array, wherein the phased array comprises a plurality of branches, and each of the plurality of branches comprises a transmitting path, a receiving path, a common path, and a phase shifter, wherein the phase shifter comprises:
- a first phase shift unit, a second phase shift unit, and a third phase shift unit, wherein the first phase shift unit is located on the transmitting path, the second phase shift unit is located on the receiving path, the third phase shift unit is located on the common path, the phase shifter has a control interface, and the control interface is configured to provide a corresponding phase shift control signal and a corresponding turn-off control signal for the first phase shift unit and the second phase shift unit respectively;
- and
- the first phase shift unit is configured to provide, based on the control signal, a phase shift or turn-off operation for a signal transmitted on the transmitting path, and the second phase shift unit is configured to provide, based on the control signal, a phase shift or turn-off operation for a signal transmitted on the receiving path.
A phase shift method, applied to a radio-frequency chip, wherein the radio-frequency chip comprises a phased array, the phased array comprises a plurality of branches, and each of the plurality of branches comprises a transmitting path, a receiving path, a common path, and a phase shifter, wherein the phase shifter comprises a first phase shift unit, a second phase shift unit, and a third phase shift unit, wherein the first phase shift unit is located on the transmitting path, the second phase shift unit is located on the receiving path, the third phase shift unit is located on the common path, the phase shifter has a control interface, and the control interface is configured to provide a corresponding phase shift control signal and a corresponding turn-off control signal for the first phase shift unit and the second phase shift unit respectively;
- and the method comprises:
- providing the phase shift control signal for the first phase shift unit, to trigger the first phase shift unit to provide a phase shift for a signal transmitted on the transmitting path, and providing the turn-off control signal for the second phase shift unit, to trigger the second phase shift unit to provide a turn-off operation for a signal transmitted on the receiving path;
- or
- providing the turn-off control signal for the first phase shift unit, to trigger the first phase shift unit to provide a turn-off operation for a signal transmitted on the transmitting path, and providing the phase shift control signal for the second phase shift unit, to trigger the second phase shift unit to provide a phase shift for a signal transmitted on the receiving path.
An electronic device, comprising a transceiver, a memory, and a processor, wherein the transceiver comprises a radio-frequency chip, comprising:
- a phased array, wherein the phased array comprises a plurality of branches, and each of the plurality of branches comprises a transmitting path, a receiving path, a common path, and a phase shifter, wherein the phase shifter comprises:
- a first phase shift unit, a second phase shift unit, and a third phase shift unit, wherein the first phase shift unit is located on the transmitting path, the second phase shift unit is located on the receiving path, the third phase shift unit is located on the common path, the phase shifter has a control interface, and the control interface is configured to provide a corresponding phase shift control signal and a corresponding turn-off control signal for the first phase shift unit and the second phase shift unit respectively;
- and
- the first phase shift unit is configured to provide, based on the control signal, a phase shift or turn-off operation for a signal transmitted on the transmitting path, and the second phase shift unit is configured to provide, based on the control signal, a phase shift or turn-off operation for a signal transmitted on the receiving path.
Dependencies are inferred from the claim text.