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171.
公开(公告)号:US20180198493A1
公开(公告)日:2018-07-12
申请号:US15911736
申请日:2018-03-05
Applicant: SOLiD, INC.
Inventor: Hyoungho KIM , Doyoon KIM , Kwangnam SEO
CPC classification number: H04B7/022 , H04L27/2614 , H04L27/2624
Abstract: A distributed antenna system includes a plurality of head-end units for each receiving mobile communication signals from at least one corresponding base station, a hub unit communicatively coupled to the plurality of head-end units, and a plurality of remote units communicatively coupled to the hub unit, wherein the hub unit configured to distribute the mobile communication signals received from each of the plurality of head-end units to the plurality of remote units, wherein each of the plurality of remote units is remotely disposed to transmit the distributed mobile communication signals to a terminal in service coverage, and wherein the hub unit includes a mixing processing stage configured to perform digital mixing processing on the mobile communication signals respectively received from the plurality of head-end units, and a crest factor reduction (CFR) module disposed posterior to the mixing processing stage, with respect to a signal transmission direction.
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公开(公告)号:US09954629B2
公开(公告)日:2018-04-24
申请号:US15395240
申请日:2016-12-30
Applicant: SOLiD, Inc.
Inventor: Nagwon Kwon , Hyunchae Kim
IPC: H04B7/04 , H04B17/40 , H04W52/24 , H04W52/46 , H04B17/309
CPC classification number: H04B17/40 , H04B7/155 , H04B17/309 , H04W52/246 , H04W52/46
Abstract: A repeater including an analog attenuator configured to attenuate an analog signal in response to a first control signal; an analog to digital converter (ADC) configured to convert the attenuated analog signal into a digital signal; a digital attenuator configured to attenuate the digital signal in response to a second control signal; and an attenuation controller configured to calculate average power and peak power of the attenuated digital signal, determine an attenuation value for each value of the calculated average power and peak power, and generate at least one of the first and second control signals based on the determined attenuation values.
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公开(公告)号:US20180091220A1
公开(公告)日:2018-03-29
申请号:US15830794
申请日:2017-12-04
Applicant: SOLiD, INC.
Inventor: Taehyeong KIM , Jongyeong LIM , Jongsin KIM , Eunho LEE
IPC: H04B10/038 , H04B10/032
Abstract: Disclosed is an optical network system including a upper network equipment, a lower network equipment, and a plurality of transfer network equipments connecting the upper network equipment and the lower network equipment through independent optical links, wherein the lower network equipment performs switching such that transmission and reception of an optical signal are performed through an optical link of a standby line when a failure occurs in at least one of an optical link used as a working line, an optical interface device associated with the working line in the upper network equipment, and a transfer network equipment associated with the working line.
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174.
公开(公告)号:US09912387B2
公开(公告)日:2018-03-06
申请号:US15084749
申请日:2016-03-30
Applicant: SOLiD, INC.
Inventor: Hyoungho Kim , Doyoon Kim , Kwangnam Seo
CPC classification number: H04B7/022 , H04L27/2614 , H04L27/2624
Abstract: A distributed antenna system includes a plurality of head-end units for each receiving mobile communication signals from at least one corresponding base station, a hub unit communicatively coupled to the plurality of head-end units, and a plurality of remote units communicatively coupled to the hub unit, wherein the hub unit configured to distribute the mobile communication signals received from each of the plurality of head-end units to the plurality of remote units, wherein each of the plurality of remote units is remotely disposed to transmit the distributed mobile communication signals to a terminal in service coverage, and wherein the hub unit includes a mixing processing stage configured to perform digital mixing processing on the mobile communication signals respectively received from the plurality of head-end units, and a crest factor reduction (CFR) module disposed posterior to the mixing processing stage, with respect to a signal transmission direction.
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公开(公告)号:US09906490B2
公开(公告)日:2018-02-27
申请号:US14411476
申请日:2013-12-23
Applicant: SOLID, INC.
Inventor: Bong Cheol Na
CPC classification number: H04L61/255 , H04L41/0695 , H04L43/0817 , H04L61/2007 , H04L61/2015
Abstract: In a relay managing method through a network management system (NMS) server, a registration request is received from a relay BTS interface unit (BIU). The identification information of the BIU that transmits the registration request is compared with a previously registered BIU registration table, and a new BIU ID is provided to the BIU that transmits the registration request, when information corresponding to the identification information of the BIU that transmits the registration request does not exist in the BIU registration table. Subsequently, registration is performed by mapping the identification information of the BIU that transmits the registration request and allocation IP information to the provided new BIU ID.
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公开(公告)号:US20180040981A1
公开(公告)日:2018-02-08
申请号:US15715565
申请日:2017-09-26
Applicant: SOLiD, INC.
Inventor: Dong Won LEE , So Yeon WON
IPC: H01R13/631 , H04Q1/02
CPC classification number: H01R13/631 , H01R9/26 , H01R25/16 , H04Q1/02 , H04Q1/06
Abstract: The present invention relates to a communication module assembly. The present invention is a communication module assembly which is electrically connected to a communication device and is supplied with power and signal, and can include a connection port unit that is supplied with the power and the signal from the communication device; a cable connection portion which is provided in the connection port unit, and to which cables electrically connected to the communication device is connected; a plurality of communication modules that is stacked on and connected to the connection port unit in a plug-in type; and a guide for guiding the communication module such that the communication modules are connected to the connection port unit in a central direction.
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公开(公告)号:US09871576B2
公开(公告)日:2018-01-16
申请号:US15391180
申请日:2016-12-27
Applicant: SOLiD, INC.
Inventor: Nagwon Kwon , Hyunchae Kim
CPC classification number: H04B7/15585
Abstract: An interference cancellation repeater configured to cancel an interference signal included in an input signal, the interference cancellation repeater including: a canceller configured to generate an interference canceled signal based on the input signal and an estimated signal; a digital filter configured to filter the interference canceled signal to generate an output signal; an interference signal detector configured to generate interference signal existence interval information using the input signal and the output signal; and an adaptive filter configured to receive the interference canceled signal and the output signal, and generate the estimated signal based on the interference signal existence interval information. Information of the signal existence section.
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公开(公告)号:US20170366247A1
公开(公告)日:2017-12-21
申请号:US15540615
申请日:2015-12-04
Applicant: SOLiD, INC.
Inventor: Hyunchae KIM
CPC classification number: H04B7/15507 , H04B7/15578 , H04B7/15585 , H04W28/04
Abstract: An interference cancellation repeater includes: a first transmission/reception processing unit configured to convert a radio frequency (RF) input signal input via a link antenna communicatively coupled to a base station into a digital input signal; an interference canceller configured to cancel an interference signal from the digital input signal and to output an interference canceled signal; a second transmission/reception processing unit configured to convert the interference canceled signal into an RF output signal and to amplify the RF output signal; and a gain controller configured to detect a gain change of the interference cancellation repeater based on the interference canceled signal and to change a current gain of the interference cancellation repeater to a target gain by adjusting intensity of at least one of the RF input signal, the interference canceled signal, and the RF output signal when the gain change of the interference cancellation repeater is detected.
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公开(公告)号:US09813143B2
公开(公告)日:2017-11-07
申请号:US15391209
申请日:2016-12-27
Applicant: SOLiD, INC.
Inventor: Nagwon Kwon , Hyunchae Kim
CPC classification number: H04B7/15585
Abstract: An interference cancellation repeater for canceling an interference signal included in an input signal including a first adaptive filter configured to generate a first estimated signal; a second adaptive filter configured to generate a second estimated signal; a first scaler configured to scale the first estimated signal based on a first scale factor determined according to a channel state; a second scaler configured to scale the second estimated signal based on a second scale factor determined according to the channel state; a first canceller configured to generate a first interference canceled signal based on the input signal and the scaled first estimated signal; and a second canceller configured to generate a second interference canceled signal based on the first interference canceled signal and the scaled second estimated signal.
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公开(公告)号:US20170187448A1
公开(公告)日:2017-06-29
申请号:US15391180
申请日:2016-12-27
Applicant: SOLiD, INC.
Inventor: Nagwon KWON , Hyunchae KIM
IPC: H04B7/155
CPC classification number: H04B7/15585
Abstract: An interference cancellation repeater configured to cancel an interference signal included in an input signal, the interference cancellation repeater including: a canceller configured to generate an interference canceled signal based on the input signal and an estimated signal; a digital filter configured to filter the interference canceled signal to generate an output signal; an interference signal detector configured to generate interference signal existence interval information using the input signal and the output signal; and an adaptive filter configured to receive the interference canceled signal and the output signal, and generate the estimated signal based on the interference signal existence interval information. Information of the signal existence section
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