Multi-frequency band communication based on filter sharing
AssigneeApple Inc.
InventorsSaihua Lin, Hongrui Wang, Sohrab Emami-Neyestanak
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Abstract
The present disclosure relates to systems and methods for operating transceiver circuitry to transmit or receive signals on various frequency ranges. To do so, a transmitter or a receiver of the transceiver circuitry is selectively coupled to or uncoupled from an antenna of the transceiver circuitry. Additionally, radio frequency filters may be individually or collectively coupled to and/or uncoupled from the antenna to filter different frequencies in the transmitting or receiving signals.
Claims21
1-20. (canceled)
A device, comprising:
- one or more antennas;
- transmission circuitry;
- receiver circuitry;
- a first filter communicatively coupled to the one or more antennas;
- a second filter communicatively coupled to the receiver circuitry;
- a first switch configured to couple the transmission circuitry to the first filter and the one or more antennas;
- and
- a second switch configured to couple the first filter and the one or more antennas to the second filter and the receiver circuitry.
The device of claim 3, comprising additional receiver circuitry, a third filter communicatively coupled to the additional receiver circuitry, and a third switch configured to couple the one or more antennas and the first filter to the third filter and the additional receiver circuitry, the controller configured to receive a receive signal on a third frequency band non-overlapping with the first frequency band and the second frequency band.
An electronic device, comprising:
- a first switch configured to couple one or more antennas and a first filter to a first low noise amplifier via a second filter;
- a second switch configured to couple the one or more antennas and the first filter to a power amplifier;
- and
- a controller configured to
- cause the first switch to close to transmit, via the one or more antennas, one or more transmit signals corresponding to a first frequency range;
- cause the second switch to close to receive, via the one or more antennas, one or more receive signals corresponding to the first frequency range;
- and
- cause the first switch and the second switch to open to receive, via the one or more antennas, one or more receive signals corresponding to a second frequency range.
A method, comprising:
- receiving, via processing circuitry, an indication of an operational state of one or more antennas, the one or more antennas coupled to a first filter and configured to couple to a second filter;
- and
- causing, via the processing circuitry, the one or more antennas to transmit signals of a first frequency band or of a second frequency band based on selective coupling of the one or more antennas to the second filter, of the first filter to a transmitter, or a combination thereof, the selective coupling being based on the operational state of the one or more antennas.
Dependencies are inferred from the claim text.