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公开(公告)号：US10790870B2
公开(公告)日：2020-09-29
申请号：US16538104
申请日：2019-08-12
Applicant: LG ELECTRONICS INC.
Inventor： Younghee Kang , Inkyung Kim , Jihyuk Park , Dongsu Won , Kyungho Lim , Jaehyuk Jang , Eunbit Cho
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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公开(公告)号：US10439670B2
公开(公告)日：2019-10-08
申请号：US16037956
申请日：2018-07-17
Applicant: LG ELECTRONICS INC.
Inventor： Younghee Kang , Inkyung Kim , Jihyuk Park , Dongsu Won , Kyungho Lim , Jaehyuk Jang , Eunbit Cho
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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公开(公告)号：US11152976B2
公开(公告)日：2021-10-19
申请号：US16629488
申请日：2019-02-07
Applicant: LG ELECTRONICS INC.
Inventor： Eunbit Cho , Byoungjoo Kang , Younghee Kang , Dongsu Won
IPC: H04B1/04 , H04B7/0413 , H04B7/0404
Abstract: A mobile terminal includes a first power amplifier configured to amplify and output a first signal of a 5G communication system; a first antenna connected to the first power amplifier and configured to transmit the first signal amplified and output from the first power amplifier as a first transmission signal; a second power amplifier configured to amplify and output a second signal of the 5G communication system; a second antenna connected to the second power amplifier and configured to transmit the second signal amplified and output from the second power amplifier as a second transmission signal; and a power controller connected to the first power amplifier and the second power amplifier and including a common voltage booster configured to provide a supply voltage to both of the first power amplifier and the second power amplifier at a same timing.
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公开(公告)号：US10931327B2
公开(公告)日：2021-02-23
申请号：US16989715
申请日：2020-08-10
Applicant: LG ELECTRONICS INC.
Inventor： Younghee Kang , Inkyung Kim , Jihyuk Park , Dongsu Won , Kyungho Lim , Jaehyuk Jang , Eunbit Cho
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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