Antenna structures and methods thereof for adjusting an operating frequency range of an antenna
First Claim
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1. A method, comprising:
- responsive to a first determination that interband carrier aggregation is not necessary, adjusting, by a circuit comprising a processor and an antenna, a reactive element of the antenna to reduce an operating bandwidth of the antenna and to reduce desensitization due to transmission outside a passband of the antenna;
responsive to a second determination that intraband carrier aggregation is necessary, adjusting, by the circuit, the reactive element of the antenna to increase the operating bandwidth of the antenna; and
tuning, by the circuit, the antenna to a new resonant frequency to accommodate transmitting or receiving RF signals at a desired band of operation, wherein the antenna at the new resonant frequency has the reduced or increased operating bandwidth of the antenna.
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Abstract
A system that incorporates the subject disclosure may include, for example, a circuit for obtaining a desired bandwidth of operation of the antenna structure, adjusting a bandwidth of the antenna to achieve the desired bandwidth of operation of the antenna structure, and tuning the antenna to a new resonant frequency to accommodate transmitting or receiving RF signals at a desired band of operation. The antenna at the new resonant frequency is at least approximately at the desired bandwidth of operation of the antenna structure. Other embodiments are disclosed.
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Citations
22 Claims
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1. A method, comprising:
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responsive to a first determination that interband carrier aggregation is not necessary, adjusting, by a circuit comprising a processor and an antenna, a reactive element of the antenna to reduce an operating bandwidth of the antenna and to reduce desensitization due to transmission outside a passband of the antenna; responsive to a second determination that intraband carrier aggregation is necessary, adjusting, by the circuit, the reactive element of the antenna to increase the operating bandwidth of the antenna; and tuning, by the circuit, the antenna to a new resonant frequency to accommodate transmitting or receiving RF signals at a desired band of operation, wherein the antenna at the new resonant frequency has the reduced or increased operating bandwidth of the antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method, comprising:
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responsive to a first determination that carrier aggregation is not necessary, adjusting, by a circuit comprising a processor and an antenna, a quality factor of the antenna to reduce an operating bandwidth of the antenna and to reduce desensitization due to transmission outside a passband of the antenna; responsive to a second determination that carrier aggregation is necessary, adjusting, by the circuit, the quality factor of the antenna to increase the operating bandwidth of the antenna; and tuning, by the circuit, the antenna to a new resonant frequency to accommodate transmitting or receiving RF signals at a desired band of operation, wherein the antenna at the new resonant frequency has the reduced or increased operating bandwidth of the antenna. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A communication device, comprising:
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an antenna structure; and a circuit coupled to the antenna structure, wherein the circuit performs operations comprising; obtaining a desired bandwidth of operation of the antenna structure; responsive to a determination that interband aggregation is not necessary, adjusting a bandwidth of the antenna to achieve the desired bandwidth of operation of the antenna structure to reduce desensitization due to transmission outside a passband of the antenna structure; and tuning the antenna to a new resonant frequency to accommodate transmitting or receiving RF signals at a desired band of operation, wherein the antenna at the new resonant frequency is at least approximately at the desired bandwidth of operation of the antenna structure. - View Dependent Claims (19, 20, 21, 22)
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Specification