公开(公告)号：US20180159583A1

公开(公告)日：2018-06-07

申请号：US15737262

申请日：2016-02-29

Applicant: LG ELECTRONICS INC.

Inventor： Younghee KANG ,  Seokhwan LEE ,  Hosik JEON ,  Kyungho LIM ,  Woonki HUR

IPC: H04B1/52 ,  H04B1/00 ,  H03H7/46 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04B1/52 ,  H03H7/465 ,  H04B1/0057 ,  H04B1/006 ,  H04L5/001 ,  H04W72/0453

Abstract: A wireless device is disclosed. The wireless device includes an antenna configured to transmit and receive data over a first frequency band having a first transmit frequency band and a first receive frequency band and a second frequency band having a second transmit frequency band and a second receive frequency band, a plurality of band filters including a first band filter, wherein the first band filter corresponds to the first transmit frequency band and the second receive frequency band, wherein at least a portion of the first transmit frequency band overlaps the second receive frequency band, and a switch including a first switch configured to bifurcate a signal path of the first band filter into a signal path of the first transmit frequency band and a signal path of the second receive frequency band.

公开(公告)号：US20200373961A1

公开(公告)日：2020-11-26

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

IPC: H04B1/401 ,  H04B1/403 ,  H03F3/24 ,  H04W88/06 ,  H04B1/26 ,  H03F3/72

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.

公开(公告)号：US20190363749A1

公开(公告)日：2019-11-28

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

IPC: H04B1/401 ,  H04B1/26 ,  H04W88/06 ,  H03F3/24 ,  H04B1/403

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.

公开(公告)号：US20190229764A1

公开(公告)日：2019-07-25

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

IPC: H04B1/401 ,  H04B1/403 ,  H04B1/26 ,  H03F3/24 ,  H04W88/06

CPC classification number: H04B1/401 ,  H03F3/24 ,  H03F2200/294 ,  H04B1/26 ,  H04B1/406 ,  H04W88/06

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.