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公开(公告)号：US20220166519A1
公开(公告)日：2022-05-26
申请号：US17456279
申请日：2021-11-23
Applicant: SOLiD, INC.
Inventor： Eun Sung LEE
IPC: H04B10/572 , H04J14/02
Abstract: An optical communication device includes: a first multiplexer including a first transmitting port and a second transmitting port; a downstream wavelength analyzer configured to analyze first transmission light to recognize a first downstream wavelength corresponding to the first transmission light and analyze second transmission light to recognize a second downstream wavelength corresponding to the second transmission light; and a controller configured to generate a first control signal for allowing the first transmitting port to pass light corresponding to the first downstream wavelength and allowing the second transmitting port to pass light corresponding to the second downstream wavelength, and output the first control signal to the first multiplexer, wherein the first multiplexer, according to the first control signal, controls the first transmitting port to correspond to the first downstream wavelength and controls the second transmitting port to correspond to the second downstream wavelength.
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公开(公告)号：US20220159603A1
公开(公告)日：2022-05-19
申请号：US17454708
申请日：2021-11-12
Applicant: SOLiD, INC.
Inventor： Hyek Jae Choi , In Ho Jang
Abstract: According to an aspect of the disclosure, a mobile communication repeater comprises a receiver configured to receive a plurality of test signals from a plurality of external communication devices and subsequently, receive a plurality of downlink signals from the external communication devices, and a digital signal processor configured to measure a delay time of each of the plurality of test signals, generate a sync time based on the delay times, and delay each of the plurality of downlink signals to correspond with the sync time.
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203.发明申请公开(公告)号：US20220141682A1
公开(公告)日：2022-05-05
申请号：US17436905
申请日：2020-03-04
Applicant: SOLiD, INC.
Inventor： Ok Jin KIM , Minchang LEE
Abstract: Provided are a communication node which comprises a signal monitoring device configured to receive a plurality of communication signals transmitted from two or more base stations, and to monitor a bandwidth of each of the received communication signals, a frame setter configured to reset a frame structure by merging at least some of blocks in a preset frame structure according to a result of the monitoring, and a framer configured to frame the plurality of communication signals into one frame by including the plurality of communication signals in a block corresponding to a bandwidth of each of the plurality of communication signals according to the reset frame structure.
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公开(公告)号：US11240834B2
公开(公告)日：2022-02-01
申请号：US16811462
申请日：2020-03-06
Applicant: SOLID, INC.
Inventor： Dong Hyun Park
Abstract: The present invention relates to a method and an apparatus allowing a simultaneous transmission of control signals in a wireless communication system.
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公开(公告)号：US11240087B2
公开(公告)日：2022-02-01
申请号：US16638602
申请日：2019-07-05
Applicant: SOLiD, INC.
Inventor： Nagwon Kwon
Abstract: A synchronization detection method of a repeater comprises receiving a communication signal comprising a plurality of synchronization signal blocks respectively belonging to different frequency ranges, determining a priority of a frequency range in which the plurality of synchronization signal blocks are to be detected based on signal level for each frequency range and detecting a synchronization signal block included in each frequency range according to the determined priority.
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Patent Agency Ranking
公开(公告)号：US11206599B2
公开(公告)日：2021-12-21
申请号：US16021913
申请日：2018-06-28
Applicant: SOLiD, INC.
Inventor： Do Yoon Kim , Hyoung Ho Kim , Kwang Nam Seo
Abstract: There is provided a main unit and a distributed antenna system including the same. The main unit for constituting a distributed antenna system that receives a base station signal from at least one base station, transmits the base station signal to at least one user terminal, and includes a plurality of main units, the main unit includes: a first receiver for receiving a first group of base station signals; a second receiver for receiving a second group of base station signals from another main unit; a signal combiner for combining the first and second groups of base station signals; and a delay compensator for compensating for time delay corresponding to a path between the main unit and the other main unit with respect to the first group of base station signals before combining the first and second groups of base station signals.
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公开(公告)号：US11070256B2
公开(公告)日：2021-07-20
申请号：US16853992
申请日：2020-04-21
Applicant: SOLiD, INC.
Inventor： Youngin Kim , Seongwook Byun , Hosik Jang
Abstract: A communication node processing a communication signal in a distributed antenna system includes a data appearance frequency monitor configured to receive a communication signal including a sign bit string, a count leading zero bit string, and an additional data bit string, and to monitor data appearance frequency in the count leading zero bit string included in the received communication signal, a Huffman encoder configured to encode the count leading zero bit string into a corresponding codeword according to a Huffman encoding algorithm based on the data appearance frequency in the count leading zero bit string and an additional bit allocator configured to allocate additional bits to the additional data bit string when the number of bits in the count leading zero bit string decreases during the encoding process.
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公开(公告)号：US20210194613A1
公开(公告)日：2021-06-24
申请号：US17120843
申请日：2020-12-14
Applicant: SOLiD, INC.
Inventor： Donghee KWON , Hoopyo HONG
IPC: H04J3/06
Abstract: A synchronization method of a communication network, the synchronization method comprises monitoring a connection state of second communication nodes that are synchronized using a synchronization signal provided through a first communication node to which a synchronization source is connected, determining whether the number of the connected second communication nodes exceeds a reference value according to a result of the monitoring and switching a synchronization mode of at least one second communication node when the number of the second communication nodes exceeds a reference value.
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公开(公告)号：US20210050908A1
公开(公告)日：2021-02-18
申请号：US16991512
申请日：2020-08-12
Inventor： Nagwon KWON , HyunChae KIM , Chonghoon KIM
Abstract: A method of operating a TDD-based interference cancellation repeater, the method comprises setting a compensation gain of a gain compensator differently in an uplink communication period and a downlink communication period, setting an optimal coefficient of an adaptive filter in the uplink communication period and an optimal coefficient of the adaptive filter in the downlink communication period the same, based on the set compensation gain of the gain compensator and removing an interference signal in the uplink communication period or the downlink communication period according to the set optimal coefficient of the adaptive filter.
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公开(公告)号：US10716011B2
公开(公告)日：2020-07-14
申请号：US16131312
申请日：2018-09-14
Applicant: SOLiD, INC.
Inventor： Hyoungho Kim , Doyoon Kim
Abstract: There is provided a distributed antenna system includes a plurality of head-end units configured to receive mobile communication signals from at least one base station, a hub unit connected to each of the plurality of head-end units through a first transport medium, the hub unit distributing the mobile communication signals respectively received from the plurality of head-end units to a plurality of remote units connected thereto through a second transport medium, and the plurality of remote units remotely disposed to transmit the mobile communication signals to a terminal in a service coverage, wherein the hub unit includes a signal summer configured to digitally sum sub-band signals in a same mobile communication service band based on the mobile communication signals.
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