Wireless electronic device with antenna switching circuitry
First Claim
1. A method of operating a wireless electronic device having at least first and second antennas located at opposite ends of the wireless electronic device, wherein the wireless electronic device is operable to communicate in at least first and second frequency bands, the method comprising:
- with control circuitry, selecting an antenna of the first and second antennas to use for radio-frequency transmissions in the first frequency band; and
with switching circuitry, routing radio-frequency transmit signals in the second frequency band to the second antenna in response to selecting the first antenna to use for the radio-frequency transmissions in the first frequency band.
1 Assignment
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Accused Products
Abstract
A wireless electronic device may include antennas formed at different locations on the device. The wireless electronic device may include transceivers that are used to wirelessly communicate in different frequency bands by transmitting and receiving radio-frequency signals in the frequency bands. The transceivers may include Wi-Fi® transceivers and cellular transceivers such as Long Term Evolution transceivers. The wireless electronic device may include antenna switching circuitry interposed between the transceivers and the antennas. The wireless electronic device may include control circuitry that controls the antenna switching circuitry to ensure that radio-frequency transmissions in adjacent frequency bands are routed to different antennas. By routing radio-frequency transmissions in adjacent frequency bands to different antennas, self-interference between communications in the adjacent frequency bands may be reduced. Self-interference may also be reduced by performing time division multiplexing to isolate radio-frequency signals that are transmitted in adjacent frequency bands.
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Citations
21 Claims
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1. A method of operating a wireless electronic device having at least first and second antennas located at opposite ends of the wireless electronic device, wherein the wireless electronic device is operable to communicate in at least first and second frequency bands, the method comprising:
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with control circuitry, selecting an antenna of the first and second antennas to use for radio-frequency transmissions in the first frequency band; and with switching circuitry, routing radio-frequency transmit signals in the second frequency band to the second antenna in response to selecting the first antenna to use for the radio-frequency transmissions in the first frequency band. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electronic device, comprising:
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first and second antennas; first and second transceivers, wherein the first transceiver is operable to produce radio-frequency signals in a selected frequency band of a plurality of frequency bands; switching circuitry operable in a first configuration in which the first transceiver is coupled to the first antenna and the second transceiver is coupled to the second antenna and further operable in a second configuration in which the first transceiver is coupled to the second antenna and the second transceiver is coupled to the first antenna; and control circuitry that controls which configuration of the first and second configurations is used by the switching circuitry based on the selected frequency band. - View Dependent Claims (9, 10, 11, 12)
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13. A method of operating wireless communications circuitry, wherein the wireless communications circuitry includes a first transceiver that communicates using a plurality of frequency bands and a second transceiver that communicates using a given frequency band, the method comprising:
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selecting a frequency band from the plurality of frequency bands for communications using the first transceiver; selecting an antenna from the first and second antennas for communications in the selected frequency band; determining whether the communications in the selected frequency band using the first transceiver interferes with communications in the given frequency band; and in response to determining that the communications in the selected frequency band interferes with the communications in the given frequency band, routing communications from the first and second transceivers to opposing antennas. - View Dependent Claims (14, 15, 16)
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17. A method of operating a wireless electronic device having a first transceiver that communicates using a plurality of frequency bands and a second transceiver that communicates using a given frequency band, the method comprising:
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selecting a frequency band from the plurality of frequency bands for communications using the first transceiver; selecting an antenna from the first and second antennas for communications in the selected frequency band; determining whether the communications in the selected frequency band interferes with communications in the given frequency band; and in response to determining that the communications in the selected frequency band interferes with the communications in the given frequency band, performing time division multiplexing using the switching circuitry between communications in the selected frequency band and communications in the given frequency band. - View Dependent Claims (18, 19, 20, 21)
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Specification