Beamforming RF circuit and applications thereof
First Claim
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1. A radio frequency integrated circuit (RFIC) comprises:
- a plurality of adjust modules operable to receive an outbound RF signal and generate a plurality of RF signal components with adjusted gain and phase values, wherein each of the plurality of adjust modules is operable to adjust a gain of an I component and a Q component of the outbound RF signal based on a beamforming factor to generate one of the plurality of RF signal components with the adjusted gain and phase value; and
a plurality of power amplifiers each configured to amplify one of the plurality of RF signal components with the adjusted gain and phase value to produce a plurality of amplified RF signal components, wherein one or more of the plurality of power amplifiers are configured with different gain settings based on the beamforming factor, and wherein the plurality of power amplifiers are operable to provide the plurality of amplified RF signal components to a plurality of antennas that transmit the plurality of amplified RF signal components to generate a beamformed RF signal.
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Abstract
A beamforming radio frequency (RF) circuit includes a plurality of antennas, a plurality of amplifiers and an adjust module. The plurality of antennas is operably coupled to interrelate a plurality of beamformed signal components with a beamformed signal. The plurality of amplifiers is operably coupled to interrelate the plurality of beamformed signal components with a plurality of adjusted signal components. The adjust module is operably coupled to interrelate coordinates of a signal with the plurality of adjusted signal components.
18 Citations
20 Claims
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1. A radio frequency integrated circuit (RFIC) comprises:
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a plurality of adjust modules operable to receive an outbound RF signal and generate a plurality of RF signal components with adjusted gain and phase values, wherein each of the plurality of adjust modules is operable to adjust a gain of an I component and a Q component of the outbound RF signal based on a beamforming factor to generate one of the plurality of RF signal components with the adjusted gain and phase value; and a plurality of power amplifiers each configured to amplify one of the plurality of RF signal components with the adjusted gain and phase value to produce a plurality of amplified RF signal components, wherein one or more of the plurality of power amplifiers are configured with different gain settings based on the beamforming factor, and wherein the plurality of power amplifiers are operable to provide the plurality of amplified RF signal components to a plurality of antennas that transmit the plurality of amplified RF signal components to generate a beamformed RF signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A radio frequency (RF) transmitter comprises:
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an adjust module configured to receive an outbound RF signal, to generate a plurality of outbound RF signals and to adjust a gain of I and Q coordinates of each of the plurality of outbound RF signals based on a beamforming factor to produce a plurality of RF signal components with adjusted gain and phase value; a plurality of power amplifiers each configured to amplify one of the plurality of RF signal components with the adjusted gain and phase value to produce a plurality of amplified RF signal components, wherein one or more of the plurality of power amplifiers are configured with different gain settings based on the beamforming factor; and a plurality of antennas operably coupled to receive the plurality of amplified RF signal components and transmit the plurality of amplified RF signal components to produce a beamformed RF signal. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A radio frequency (RF) front end comprises:
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a transmitter section including; an adjust module configured to adjust coordinates of an outbound RF signal to produce a plurality of RF signal components based on the beamforming factor; and a plurality of power amplifiers configured to amplify the plurality of RF signal components output by the adjust module to produce a plurality of amplified RF signal components, wherein one or more of the plurality of power amplifiers have different gain settings based on the beamforming factor; a plurality of antennas operably coupled to transmit the plurality of amplified RF signal components to produce a beamformed RF signal; and a receiver section that receives an RF feedback signal from a targeted recipient of the beamformed RF signal, wherein the beamforming factor is generated based on the feedback. - View Dependent Claims (17, 18, 19, 20)
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Specification