Multiple transmit system structure and mobile terminal having the same
First Claim
1. A mobile terminal comprising:
- a first transceiver configured to operate according to a first communication system;
a second transceiver configured to operate according to a second communication system;
a first power amplifier configured to amplify and output a first signal output by the first transceiver;
a power combiner configured to combine a second signal output by the first transceiver with a third signal output by the second transceiver to output a fourth combined signal;
a second power amplifier configured to amplify and output the fourth combined signal output by the power combiner; and
a switch configured to selectively allow transmission of a first transmission signal of the amplified first signal output by the first power amplifier or a second transmission signal of the amplified fourth combined signal output by the second power amplifier.
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Accused Products
Abstract
A mobile terminal according to the present invention includes a first power amplifier (PA) to amplify and output a first signal of a first transceiver, a power combiner to combine a second signal of the first transceiver with a third signal of the second transceiver, a second power amplifier to amplify and output a fourth signal combined by the power combiner, and a switch to select one of a first transmission signal that is an output signal of the first power amplifier and a second transmission signal that is an output signal of the second power amplifier, wherein the first transceiver operates in a first communication system and the second transceiver operates in a second communication system, whereby a mobile terminal having improved transmission output power characteristics can be provided using the first communication system and the second communication system.
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Citations
19 Claims
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1. A mobile terminal comprising:
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a first transceiver configured to operate according to a first communication system; a second transceiver configured to operate according to a second communication system; a first power amplifier configured to amplify and output a first signal output by the first transceiver; a power combiner configured to combine a second signal output by the first transceiver with a third signal output by the second transceiver to output a fourth combined signal; a second power amplifier configured to amplify and output the fourth combined signal output by the power combiner; and a switch configured to selectively allow transmission of a first transmission signal of the amplified first signal output by the first power amplifier or a second transmission signal of the amplified fourth combined signal output by the second power amplifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A mobile terminal, comprising:
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one or more transceivers configured to output a first signal and a second signal of a first part of the one or more transceivers and a third signal of a second part of the one or more transceivers; a power combiner configured to output a fourth signal by combining the second signal with the third signal; a switch configured to selectively allow transmission of one of the first signal or the fourth signal; and one power amplifier configured to amplify and output at least one of the first or fourth signal; wherein the one or more transceivers is configured to operate in a first communication system and a second communication system. - View Dependent Claims (14, 15, 16)
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17. A mobile terminal, comprising:
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one or more transceivers configured to output a first signal and a second signal of a first part of the one or more transceivers and a third signal of a second part of the one or more transceivers; a switch configured to selectively allow transmission of the first signal or the second signal; a power combiner configured to output a fourth signal by combining the first signal with the third signal or the second signal with the third signal based on operation of a switch; and one power amplifier to amplify and output the fourth signal; wherein the one or more transceivers is configured to operate in a first communication system and a second communication system. - View Dependent Claims (18, 19)
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Specification