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公开(公告)号：US20190013882A1
公开(公告)日：2019-01-10
申请号：US16127591
申请日：2018-09-11
Applicant: SOLiD, INC.
Inventor： Youngju YOU
Abstract: A remote apparatus includes: a plurality of sub amplification units amplifying radio frequency (RF) signals of different frequency bands, respectively; a test signal generation unit generating test signals of a frequency band for any one sub amplification unit among the plurality of sub amplification units; a conversion unit converting intermodulation (IM) signals generated in response to the test signals into a plurality of conversion IM signals by using a conversion signal of which a frequency is swept; and a control unit determining a degree of an intermodulation distortion by the any one sub amplification unit based on signal levels of the plurality of the conversion IM signals.
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公开(公告)号：US20170149505A1
公开(公告)日：2017-05-25
申请号：US15426418
申请日：2017-02-07
Applicant: SOLID, INC.
Inventor： Yeongshin YEO , Hwansun LEE , Youngju YOU
IPC: H04B10/2575 , H04B7/022 , H04B10/40
CPC classification number: H04B10/25753 , H04B7/022 , H04B10/40
Abstract: A distributed antenna system includes a headend device for generating a downlink transmission signal by combining a plurality of downlink RF signals in different frequency bands, received from a plurality of base stations, and converting the downlink transmission signal into a downlink optical signal, a main remote device for receiving the downlink optical signal from the headend device, converting the downlink optical signal into the downlink transmission signal, and amplifying the plurality of downlink RF signals included in the downlink transmission signal, and a sub-remote device for receiving the downlink transmission signal distributed from the main remote device, and amplifying the plurality of downlink RF signals included in the received downlink transmission signal.
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公开(公告)号：US20160315706A1
公开(公告)日：2016-10-27
申请号：US15079783
申请日：2016-03-24
Applicant: SOLiD, INC.
Inventor： Yeongshin YEO , Hwansun LEE , Youngju YOU
IPC: H04B10/2575
CPC classification number: H04B10/25753 , H04B7/022 , H04B10/40
Abstract: A distributed antenna system includes a headend device for generating a downlink transmission signal by combining a plurality of downlink RF signals in different frequency bands, received from a plurality of base stations, and converting the downlink transmission signal into a downlink optical signal, a main remote device for receiving the downlink optical signal from the headend device, converting the downlink optical signal into the downlink transmission signal, and amplifying the plurality of downlink RF signals included in the downlink transmission signal, and a sub-remote device for receiving the downlink transmission signal distributed from the main remote device, and amplifying the plurality of downlink RF signals included in the received downlink transmission signal.
Abstract translation: 分布式天线系统包括：头端设备，用于通过组合从多个基站接收的不同频带中的多个下行链路RF信号并将下行链路传输信号转换为下行链路光信号来生成下行链路传输信号;主远程 用于从头端装置接收下行链路光信号的装置，将下行光信号转换为下行传输信号，以及放大下行传输信号中包含的多个下行RF信号;以及副远程装置，用于接收下行传输信号 从主远程设备分配，并且放大所接收的下行链路传输信号中包括的多个下行RF信号。
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公开(公告)号：US20170222740A1
公开(公告)日：2017-08-03
申请号：US15501002
申请日：2015-12-04
Applicant: SOLiD, INC.
Inventor： Youngju YOU
CPC classification number: H04B17/16 , H04B1/0475 , H04B17/17
Abstract: A remote apparatus includes: a plurality of sub amplification units amplifying radio frequency (RF) signals of different frequency bands, respectively; a test signal generation unit generating test signals of a frequency band for any one sub amplification unit among the plurality of sub amplification units; a conversion unit converting intermodulation (IM) signals generated in response to the test signals into a plurality of conversion IM signals by using a conversion signal of which a frequency is swept; and a control unit determining a degree of an intermodulation distortion by the any one sub amplification unit based on signal levels of the plurality of the conversion IM signals.
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