Apparatus and method for matching antenna impedance in wireless communication system
First Claim
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1. A mobile station comprising:
- a receiver for receiving power control information including information for controlling transmit power of the mobile station;
a matching controller configured to;
determine first and second transmit power variations of the mobile station based on respectively received power control information,determine whether the first transmit power variation is greater than the second transmit power variation,if it is determined that the first transmit power variation is greater than the second transmit power variation, select a second value of an impedance component,if it is determined that the first transmit power variation is less than or equal to the second transmit power variation, select a first value of the impedance component, andgenerate matching control information based on the selected one of the first and second values of the impedance component; and
an antenna matcher configured to perform antenna impedance matching depending on the generated matching control information.
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Abstract
An apparatus and method for matching antenna impedance in a mobile station are provided. In implementation, a mobile station receives power control information including information for controlling transmit power of the mobile station, generates matching control information for antenna impedance matching based on the received power control information, and performs antenna impedance matching depending on the generated matching control information.
17 Citations
34 Claims
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1. A mobile station comprising:
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a receiver for receiving power control information including information for controlling transmit power of the mobile station; a matching controller configured to; determine first and second transmit power variations of the mobile station based on respectively received power control information, determine whether the first transmit power variation is greater than the second transmit power variation, if it is determined that the first transmit power variation is greater than the second transmit power variation, select a second value of an impedance component, if it is determined that the first transmit power variation is less than or equal to the second transmit power variation, select a first value of the impedance component, and generate matching control information based on the selected one of the first and second values of the impedance component; and an antenna matcher configured to perform antenna impedance matching depending on the generated matching control information. - View Dependent Claims (2, 3, 4, 5, 19, 23, 24, 25)
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6. A method for matching antenna impedance in a mobile station, the method comprising:
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receiving power control information including information for controlling transmit power of the mobile station; determining first and second transmit power variations of the mobile station based on respectively received power control information; determining whether the first transmit power variation is greater than the second transmit power variation; if it is determined that the first transmit power variation is greater than the second transmit power variation, selecting a second value of an impedance component; if it is determined that the first transmit power variation is less than or equal to the second transmit power variation, selecting a first value of the impedance component; generating matching control information based on the selected one of the first and second values of the impedance component; and performing antenna impedance matching depending on the generated matching control information. - View Dependent Claims (7, 8, 9, 10, 20, 26, 27, 28)
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11. An apparatus for matching antenna impedance, the apparatus comprising:
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an antenna matcher configured to, upon receiving matching control information, perform antenna impedance matching depending on the received matching control information, wherein power control information, including information for controlling transmit power of a mobile station, is received from a base station, and wherein the matching control information is generated by; determining first and second transmit power variations of the mobile station based on respectively received power control information, determining whether the first transmit power variation is greater than the second transmit power variation, if it is determined that the first transmit power variation is greater than the second transmit power variation, selecting a second value of an impedance component, if it is determined that the first transmit power variation is less than or equal to the second transmit power variation, selecting a first value of the impedance component, and generating the matching control information based on the selected one of the first and second values of the impedance component. - View Dependent Claims (12, 13, 14, 21, 29, 30, 31)
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15. A method for matching antenna impedance, the method comprising:
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receiving matching control information; and upon receiving the matching control information, performing antenna impedance matching depending on the received matching control information, wherein power control information, including information for controlling transmit power of a mobile station, is received from a base station, and wherein the matching control information is generated by; determining first and second transmit power variations of the mobile station based on respectively received power control information, determining whether the first transmit power variation is greater than the second transmit power variation, if it is determined that the first transmit power variation is greater than the second transmit power variation, selecting a second value of an impedance component, if it is determined that the first transmit power variation is less than or equal to the second transmit power variation, selecting a first value of the impedance component, and generating the matching control information based on the selected one of the first and second values of the impedance component. - View Dependent Claims (16, 17, 18, 22, 32, 33, 34)
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Specification