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公开(公告)号：US09859982B2
公开(公告)日：2018-01-02
申请号：US15426418
申请日：2017-02-07
Applicant: SOLID, INC.
Inventor： Yeongshin Yeo , Hwansun Lee , Youngju You
IPC: H04J14/00 , H04B10/2575 , H04B10/40 , H04B7/022
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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2.发明授权Node unit capable of measuring delay and distributed antenna system including the same 有权能够测量延迟的节点单元和包括其的分布式天线系统公开(公告)号：US09584386B2
公开(公告)日：2017-02-28
申请号：US15080084
申请日：2016-03-24
Applicant: SOLiD, INC.
Inventor： Hyoungho Kim , Doyoon Kim , Yeongshin Yeo
CPC classification number: H04B17/364 , H04B1/40 , H04B7/024 , H04B7/04 , H04L43/0864 , H04W24/06 , H04W88/085
Abstract: A node unit of distributed antenna system, the node unit comprises a delay measuring part configured to transmit a first test signal for delay measurement to an upper adjacent node unit and detect the first test signal looped back via the upper adjacent node unit and measure a round trip delay between the node unit and the upper adjacent node unit, and a delay providing part disposed on a signal transmission path through which a second test signal for delay measurement, to be transmitted from a lower adjacent node unit, is to be looped back to the lower adjacent node unit, and configured to provide a delay corresponding to the round trip delay.
Abstract translation: 分布式天线系统的节点单元，节点单元包括延迟测量部分，被配置为向上部相邻节点单元发送用于延迟测量的第一测试信号，并且检测经由上部相邻节点单元环回的第一测试信号，并测量圆 在节点单元和上部相邻节点单元之间的跳闸延迟，以及设置在信号传输路径上的延迟提供部分，通过该延迟提供部分将要从下部相邻节点单元发送的用于延迟测量的第二测试信号环回到 下相邻节点单元，并且被配置为提供对应于往返延迟的延迟。
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Patent Agency Ranking
公开(公告)号：US10396918B2
公开(公告)日：2019-08-27
申请号：US15401203
申请日：2017-01-09
Applicant: SOLID, INC.
Inventor： Hyoungho Kim , Doyoon Kim , Yeongshin Yeo
Abstract: A node unit of distributed antenna system, the node unit comprises a delay measuring part configured to transmit a first test signal for delay measurement to an upper adjacent node unit and detect the first test signal looped back via the upper adjacent node unit and measure a round trip delay between the node unit and the upper adjacent node unit, and a delay providing part disposed on a signal transmission path through which a second test signal for delay measurement, to be transmitted from a lower adjacent node unit, is to be looped back to the lower adjacent node unit, and configured to provide a delay corresponding to the round trip delay.
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公开(公告)号：US10903973B2
公开(公告)日：2021-01-26
申请号：US15700581
申请日：2017-09-11
Applicant: SOLiD, INC.
Inventor： Yongki Cho , Yeongshin Yeo
Abstract: According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and a signal transceiver for transmitting, to a remote unit, the downlink signal input from the second node, and outputting, to the third node, an uplink amplification signal received from the remote unit.
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公开(公告)号：US09774438B2
公开(公告)日：2017-09-26
申请号：US15079880
申请日：2016-03-24
Applicant: SOLiD, INC.
Inventor： Yongki Cho , Yeongshin Yeo
CPC classification number: H04L5/14 , H04B1/52 , H04B1/525 , H04L5/1469
Abstract: According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and a signal transceiver for transmitting, to a remote unit, the downlink signal input from the second node, and outputting, to the third node, an uplink amplification signal received from the remote unit.
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公开(公告)号：US09608847B2
公开(公告)日：2017-03-28
申请号：US15079391
申请日：2016-03-24
Applicant: SOLiD, INC.
Inventor： Yeongshin Yeo
CPC classification number: H04L25/20 , H04L5/0098
Abstract: A device included in an analog distributed antenna system includes a first analog signal processing unit for receiving an analog communication signal, a first modulation/demodulation unit for converting a digital Ethernet signal received from an Ethernet network into an analog Ethernet signal, a multiplexing unit for multiplexing the analog communication signal signal-processed by the analog signal processing unit and the analog Ethernet signal converted by the modulation/demodulation unit, and a transmission unit for transmitting, to other devices included in the analog distributed antenna system, the analog communication signal and the analog Ethernet signal, which are multiplexed by the multiplexing unit.
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公开(公告)号：US09602211B2
公开(公告)日：2017-03-21
申请号：US15079783
申请日：2016-03-24
Applicant: SOLiD, INC.
Inventor： Yeongshin Yeo , Hwansun Lee , Youngju You
IPC: H04B10/00 , 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.
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