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公开(公告)号：US11385425B2
公开(公告)日：2022-07-12
申请号：US17140303
申请日：2021-01-04
申请人： SOLiD, INC.
发明人： Tae Ho Kim , In Ju Lee
摘要： Provided is an optical module assembly including: an optical module body in which an optical transceiver is built; a first connector coupled to one side of the optical module body to be connected to an optical transceiver in the optical module body; a second connector, in which an insertion hole for inserting an optical cable is formed and the optical cable is inserted into the insertion hole, connected to the first connector to connect the optical cable to the optical transceiver connected to the first connector; and a disconnection unit installed on the first connector and the second connector to release the connection between the first connector and the second connector by rotation.
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公开(公告)号：US11381311B2
公开(公告)日：2022-07-05
申请号：US16906102
申请日：2020-06-19
申请人： SOLiD Inc.
发明人： Young Man Cho , Hee Hwan Kwak
IPC分类号： H04B10/2575 , H04W52/02 , H04W80/02 , H04W88/08
摘要： An analog distributed antenna system having a set of small cells as a signal source is provided. A proposed cellular communication system includes an upper small cell unit including upper protocol processors configured to process an upper first part of a protocol stack of a small cell, a lower small cell unit including lower protocol processors configured to process a remaining second part of the protocol stack of the small cell, and a first matching switch configured to respectively match the lower protocol processors to a plurality of remote units. According to one aspect, the cellular communication system includes a common controller configured to control activation of the plurality of upper protocol processors of the upper small cell unit and the plurality of lower protocol processors of the lower small cell unit according to a required service capacity and appropriately control an operation of the first matching switch.
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公开(公告)号：US11362730B2
公开(公告)日：2022-06-14
申请号：US16991564
申请日：2020-08-12
发明人： Nagwon Kwon , Hyunchae Kim , Chonghoon Kim , Seungmo Hong , Sungbin Im
摘要： A method of operating a repeater comprises selecting some of adaptive filter coefficients among a plurality of adaptive filter coefficients of an adaptive filter used for interference cancellation, based on the size of a coefficient, generating a predicted interference signal using the selected adaptive filter coefficients and generating an interference-canceled communication signal from a received signal using the generated predicted interference signal.
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公开(公告)号：US20220086781A1
公开(公告)日：2022-03-17
申请号：US17537572
申请日：2021-11-30
申请人： SOLiD, INC.
发明人： Dong Hee KWON , Hoo Pyo HONG , Yong Hoon KANG , Dae Young KIM , Young Man CHO
摘要： There is provided a method of processing uplink Ethernet packets of an aggregation node included in a distributed antenna system, the method includes: receiving a plurality of uplink Ethernet packets; summing the plurality of received uplink Ethernet packets; and transmitting the summed uplink Ethernet packets in an uplink direction.
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公开(公告)号：US20210376948A1
公开(公告)日：2021-12-02
申请号：US17333378
申请日：2021-05-28
申请人： SOLiD, INC.
发明人： Bum Soo PARK , Tae Hyeong KIM , Chi Young PARK , Seung Hee LEE , Eun Sung LEE
摘要： Provided is an optical transceiver including: a receiver configured to receive an optical transmission signal including wavelength information from another optical transceiver through a multiplexer/demultiplexer connected to the receiver; and a controller configured to identify a reception wavelength for communication with the other optical transceiver and to determine a wavelength corresponding to the reception wavelength as a transmission wavelength for communication with the other optical transceiver, based on the wavelength information included in the optical transmission signal.
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公开(公告)号：US20210231893A1
公开(公告)日：2021-07-29
申请号：US17140303
申请日：2021-01-04
申请人： Solid, Inc.
发明人： Tae Ho Kim , In Ju Lee
摘要： Provided is an optical module assembly including: an optical module body in which an optical transceiver is built; a first connector coupled to one side of the optical module body to be connected to an optical transceiver in the optical module body; a second connector, in which an insertion hole for inserting an optical cable is formed and the optical cable is inserted into the insertion hole, connected to the first connector to connect the optical cable to the optical transceiver connected to the first connector; and a disconnection unit installed on the first connector and the second connector to release the connection between the first connector and the second connector by rotation.
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公开(公告)号：US11057961B2
公开(公告)日：2021-07-06
申请号：US16788862
申请日：2020-02-12
申请人： SOLiD, INC.
发明人： Jong Dae Byun
摘要： A base station interface module included in a distributed antenna system includes: a separator configured to separate a base station signal input from a base station and output first and second base station signals; a pre-compensator configured to compensate for at least one of an amplitude and a phase of the first base station signal based on a preset compensation value; a first attenuator configured to attenuate the compensated first base station signal and to output the attenuated first base station signal to the distributed antenna system; and a second attenuator configured to attenuate the second base station signal and to terminate the attenuated second base station signal.
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公开(公告)号：US11025203B2
公开(公告)日：2021-06-01
申请号：US16944453
申请日：2020-07-31
申请人： SOLiD, INC.
发明人： Kwangnam Seo , Doyoon Kim , Hyoungho Kim , Daesung Baek
摘要： The inventive concept relates to a communication device comprising a DPD processor configured to output a plurality of pre-distorted signals by pre-distorting each of a plurality of input signals using an extracted feedback signal, a first signal combiner configured to combine a plurality of feedback signals corresponding to the plurality of pre-distorted signals and output a combined feedback signal, an analog-to-digital converter configured to convert the combined feedback signal into a digital signal and output a digital-converted combined feedback signal and a signal extractor configured to extract the digital-converted combined feedback signal and output the extracted feedback signal.
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公开(公告)号：US20210152273A1
公开(公告)日：2021-05-20
申请号：US17097621
申请日：2020-11-13
申请人： SOLiD, INC
发明人： Chi Young PARK , Gil Koog KIM , Bum Soo PARK
IPC分类号： H04J14/02
摘要： Provided is an optical communication system configured as an optical ring network including: a first optical communication device configured to transmit a first optical signal having a first wavelength in a first direction, and to transmit a second optical signal having a second wavelength in a second direction opposite to the first direction; and a second optical communication device configured to generate a first reflected signal by reflecting the first optical signal when the first optical signal is received, to generate a second reflected signal by reflecting the second optical signal when the second optical signal is received, and to transmit the first and second reflected signals to the first optical communication device, wherein the first optical communication device analyzes a connection state of the second optical communication device based on the first and second reflected signals.
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公开(公告)号：US20210058878A1
公开(公告)日：2021-02-25
申请号：US16991586
申请日：2020-08-12
发明人： Nagwon KWON , Hyunchae KIM , Chonghoon KIM
摘要： Provided are a synchronization signal detection method performed by a receiver including a processor and a memory, the synchronization signal detection method comprises calculating a PSS correlation value for a primary synchronization signal (PSS) included in a received signal, detecting a frequency offset for the PSS and a timing offset for sampling timing of the received signal and detecting the PSS based on the PSS correlation value, the frequency offset, and the timing offset.
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