Wireless communication device antenna with tuning elements
First Claim
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1. A wireless communication device comprising:
- a transceiver;
a narrowband antenna decoupled from a chassis of the wireless communication device, the narrowband antenna including one or more tuning elements to match an impedance of a transmitting amplifier, the impedance of a receiving amplifier, or a combination thereof, with an impedance of the narrowband antenna, wherein the one or more tuning elements change a resonance frequency of the narrowband antenna; and
a control unit to determine an absorption loss of the narrowband antenna and instruct the transceiver to transmit signals via the narrowband antenna when the absorption loss is less than an absorption loss value.
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Abstract
The present disclosure relates to wireless communication device antennas with tuning elements.
20 Citations
19 Claims
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1. A wireless communication device comprising:
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a transceiver; a narrowband antenna decoupled from a chassis of the wireless communication device, the narrowband antenna including one or more tuning elements to match an impedance of a transmitting amplifier, the impedance of a receiving amplifier, or a combination thereof, with an impedance of the narrowband antenna, wherein the one or more tuning elements change a resonance frequency of the narrowband antenna; and a control unit to determine an absorption loss of the narrowband antenna and instruct the transceiver to transmit signals via the narrowband antenna when the absorption loss is less than an absorption loss value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device comprising:
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a transceiver; a first narrowband antenna; a second narrowband antenna; and a control unit to determine an absorption loss of the first narrowband antenna and determine an absorption loss of the second narrowband antenna, the control unit further to select the first narrowband antenna or the second narrowband antenna based on the determining of the absorption losses associated with the respective first and second narrowband antennas. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method comprising:
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determining, by a wireless communication device, absorption loss of a first narrowband antenna, the first narrowband antenna including a plurality of tuning elements to match an impedance of the first narrowband antenna with an impedance of a transmitting amplifier of the wireless communication device, an impedance of a receiving amplifier of the wireless communication device, or a combination thereof; determining, by the wireless communication device, absorption loss of a second narrowband antenna, the second narrowband antenna including a plurality of tuning elements to match an impedance of the second narrowband antenna with an impedance of the transmitting amplifier, the impedance of the receiving amplifier, or a combination thereof; determining, by the wireless communication device, whether the absorption loss of the second narrowband antenna is greater than the absorption loss of the first narrowband antenna; transmitting signals, by the wireless communication device, via the first narrowband antenna when the absorption loss of the second narrowband antenna is greater than the absorption loss of the first narrowband antenna; and transmitting signals, by the wireless communication device, via the second narrowband antenna when the absorption loss of the second narrowband antenna is less than the absorption loss of the second narrowband antenna. - View Dependent Claims (16, 17, 18, 19)
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Specification