Apparatus for automatically matching frequency of antenna in wireless terminal and method thereof
First Claim
1. An apparatus for automatically matching impedance for a frequency of an antenna in a wireless terminal, the apparatus comprising:
- a duplexer for classifying frequencies transmitted/received through the antenna of the wireless terminal, transmitting a reception frequency, which is received from the antenna, to an automatic matching module, and transmitting a transmission frequency, which is received from the automatic matching module, to the antenna;
the automatic matching module for transmitting the reception frequency, which is received from the duplexer, to an amplifier after automatically matching impedance for the reception frequency and for transmitting the transmission frequency, which is received from the amplifier, to the duplexer after automatically matching impedance for the transmission frequency; and
a controller for controlling the automatic matching module to automatically match impedance for the transmission/reception frequency.
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Accused Products
Abstract
An apparatus and method for automatically matching an impedance for a frequency of an antenna in a wireless terminal. The apparatus automatically matches an impedance for a frequency of an antenna in a wireless terminal. The apparatus includes a duplexer for classifying frequencies transmitted/received through the antenna of the wireless terminal, an automatic matching module for transmitting the reception frequency, which is received from the duplexer, to an amplifier after automatically matching impedance for the reception frequency and for transmitting the transmission frequency, which is received from the amplifier, to the duplexer after automatically matching impedance for the transmission frequency, and a controller for controlling the automatic matching module to automatically match impedance for the transmission/reception frequency.
9 Citations
26 Claims
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1. An apparatus for automatically matching impedance for a frequency of an antenna in a wireless terminal, the apparatus comprising:
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a duplexer for classifying frequencies transmitted/received through the antenna of the wireless terminal, transmitting a reception frequency, which is received from the antenna, to an automatic matching module, and transmitting a transmission frequency, which is received from the automatic matching module, to the antenna;
the automatic matching module for transmitting the reception frequency, which is received from the duplexer, to an amplifier after automatically matching impedance for the reception frequency and for transmitting the transmission frequency, which is received from the amplifier, to the duplexer after automatically matching impedance for the transmission frequency; and
a controller for controlling the automatic matching module to automatically match impedance for the transmission/reception frequency. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for automatically matching impedance for a frequency of an antenna in a wireless terminal receiving at least two communication services, the apparatus comprising:
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a switching module for switching to one of the at least two communication service modules according to a signal received in an antenna of the wireless terminal; and
at least two communication service modules for outputting a reception frequency, which is received through the antenna, by automatically matching an impedance for the reception frequency, or transmitting a transmission frequency to the antenna by automatically impedance matching the transmission frequency when the communication service modules are linked with the antenna through switching action of the switching module. - View Dependent Claims (7, 8, 9, 10, 11)
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12. An apparatus for automatically matching impedance for an antenna frequency in a wireless terminal, the apparatus comprising:
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a signal detection module for detecting a signal received from an antenna of the wireless terminal;
a controller for determining a state of the wireless terminal according to a signal output from the signal detection module and controlling an automatic matching module to automatically match an impedance for a transmission/reception frequency of the antenna;
the automatic matching module for transmitting the reception frequency, which is received from the antenna, to a duplexer after automatically matching an impedance for the reception frequency, or transmitting the transmission frequency, which is received from the duplexer, to the antenna after automatically matching an impedance for the transmission frequency; and
the duplexer for classifying frequencies transmitted/received through the automatic matching module and transmitting the reception frequency, which is received from the automatic matching module, to the amplifier, or transmitting the transmission frequency, which is received from the amplifier, to the automatic matching module. - View Dependent Claims (13, 14, 15, 16)
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17. An apparatus for automatically matching an impedance for an antenna frequency in a wireless terminal, which receives at least two communication services, the apparatus comprising:
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a signal detection module for detecting a signal received from an antenna of the wireless terminal;
a controller for determining a state of the wireless terminal according to a signal output from the signal detection module and controlling an automatic matching module to automatically match an impedance for a transmission/reception frequency of the antenna;
the automatic matching module for transmitting the reception frequency which is received from the antenna, to a switching module after automatically matching an impedance for the reception frequency received from the antenna, or for transmitting a transmission frequency, which is received from the switching module, to the antenna after automatically matching an impedance for the transmission frequency;
the switching module for switching a communication path to any one of at least two communication service modules according to a type of a reception signal received in the antenna; and
at least two communication service modules for transmitting/receiving a frequency of the antenna through the automatic matching module if the at least two communication service modules are linked with the automatic matching module through switching action of the switching module. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. A method for automatically matching impedance for a frequency of an antenna in a wireless terminal, the method comprising:
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controlling a duplexer to classify frequencies transmitted/received through the antenna of the wireless terminal and transmit a reception frequency, which is received from the antenna, to an automatic matching module, and transmit a transmission frequency, which is received from the automatic matching module, to the antenna;
controlling the automatic matching module to transmit the reception frequency, which is received from the duplexer, to an amplifier after automatically matching impedance for the reception frequency and transmit the transmission frequency, which is received from the amplifier, to the duplexer after automatically matching impedance for the transmission frequency; and
controlling the automatic matching module to automatically match impedance for the transmission/reception frequency. - View Dependent Claims (25, 26)
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Specification