公开(公告)号：US11909695B2

公开(公告)日：2024-02-20

申请号：US17634765

申请日：2020-08-13

Applicant: SOLiD, INC. ,  HUNERGY CO., LTD.

Inventor： Nagwon Kwon ,  Jongkuan Lee

IPC: H04L12/28 ,  H04L5/14 ,  H04B7/155

CPC classification number: H04L5/1461 ,  H04B7/15585

Abstract: Provided is a method of operating a repeater operating in a time division duplex (TDD) mode which comprises detecting a synchronization signal from a received signal, determining a type of a communication period based on the detected synchronization signal and controlling an operation of a signal linearizer based on the determined type of the communication period.

公开(公告)号：US20240049152A1

公开(公告)日：2024-02-08

申请号：US18489502

申请日：2023-10-18

Applicant: SOLiD, INC.

Inventor： Dong Hee KWON ,  Hoo Pyo HONG ,  Yong Hoon KANG ,  Dae Young KIM ,  Young Man CHO

IPC: H04W56/00 ,  H04J3/06 ,  H04L69/22 ,  H04W72/0446 ,  H04B7/15 ,  H04W72/21

CPC classification number: H04W56/0005 ,  H04J3/0658 ,  H04L69/22 ,  H04W72/0446 ,  H04B7/15 ,  H04W72/21 ,  H04W88/085

Abstract: 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.

公开(公告)号：US11863237B2

公开(公告)日：2024-01-02

申请号：US17456279

申请日：2021-11-23

Applicant: SOLiD, INC.

Inventor： Eun Sung Lee

IPC: H04B10/572 ,  H04J14/02

CPC classification number: 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.

公开(公告)号：US11825429B2

公开(公告)日：2023-11-21

申请号：US17537572

申请日：2021-11-30

Applicant: SOLiD, INC.

Inventor： Dong Hee Kwon ,  Hoo Pyo Hong ,  Yong Hoon Kang ,  Dae Young Kim ,  Young Man Cho

IPC: H04W56/00 ,  H04W72/0446 ,  H04B7/15 ,  H04J3/06 ,  H04L69/22 ,  H04W72/21 ,  H04W88/08

CPC classification number: H04W56/0005 ,  H04B7/15 ,  H04J3/0658 ,  H04L69/22 ,  H04W72/0446 ,  H04W72/21 ,  H04W88/085

Abstract: 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.

公开(公告)号：US20230331367A1

公开(公告)日：2023-10-19

申请号：US18341103

申请日：2023-06-26

Applicant: SOLiD, INC.

Inventor： Ok Jin KIM ,  Dae Young Kim

IPC: B64C1/06 ,  B64C1/40

CPC classification number: B64C1/067 ,  B64C1/40 ,  B64D2013/0625

Abstract: The present disclosure provides a method of allocating shared radio resources in a spectrum shared system (SSS), the method including: obtaining, by a system controller of the SSS, identification information from at least one radio service device of the SSS and a node unit of a distributed antenna system (DAS); determining, by the system controller of the SSS, whether the at least one radio service device interoperates with the DAS based on the identification information; and allocating, by the system controller of the SSS, the shared radio resources to the at least one radio service device and the DAS, respectively, based on a result of the determining of interoperating.

公开(公告)号：US11764892B2

公开(公告)日：2023-09-19

申请号：US17333378

申请日：2021-05-28

Applicant: SOLiD, INC.

Inventor： Bum Soo Park ,  Tae Hyeong Kim ,  Chi Young Park ,  Seung Hee Lee ,  Eun Sung Lee

IPC: H04J14/02 ,  H04B10/40

CPC classification number: H04J14/0241 ,  H04B10/40 ,  H04J14/0258 ,  H04J14/0264

Abstract: 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.

公开(公告)号：US20230275740A1

公开(公告)日：2023-08-31

申请号：US17780844

申请日：2019-12-03

Applicant: SOLiD, INC.

Inventor： Donghee KWON ,  Hoopyo HONG

IPC: H04L7/04 ,  H04J3/06

CPC classification number: H04L7/04 ,  H04J3/0667

Abstract: Provided are a method of synchronizing a communication network, the method comprising obtaining a quality parameter of at least two or more synchronization sources connected to communication nodes in a communication network and a capacity parameter of the communication nodes connected to the synchronization sources, selecting a synchronization source to be used for synchronization of the communication network from among the at least two or more synchronization sources, according to a priority based on the obtained quality parameter and capacity parameter and performing synchronization of the communication network using a synchronization signal provided from the selected synchronization source.

公开(公告)号：US11729626B2

公开(公告)日：2023-08-15

申请号：US16421939

申请日：2019-05-24

Applicant: SOLiD, INC.

Inventor： Ok Jin Kim ,  Dae Young Kim

IPC: H04W16/14 ,  H04W76/15 ,  H04W76/11 ,  H04W4/02 ,  H04W72/51

CPC classification number: H04W16/14 ,  H04W4/025 ,  H04W72/51 ,  H04W76/11 ,  H04W76/15

Abstract: The present disclosure provides a method of allocating shared radio resources in a spectrum shared system (SSS), the method including: obtaining, by a system controller of the SSS, identification information from at least one radio service device of the SSS and a node unit of a distributed antenna system (DAS); determining, by the system controller of the SSS, whether the at least one radio service device interoperates with the DAS based on the identification information; and allocating, by the system controller of the SSS, the shared radio resources to the at least one radio service device and the DAS, respectively, based on a result of the determining of interoperating.

公开(公告)号：US11716147B2

公开(公告)日：2023-08-01

申请号：US17397018

申请日：2021-08-09

Applicant: SOLiD, INC.

Inventor： Eun Sung Lee

IPC: H04B10/27

CPC classification number: H04B10/27

Abstract: Provided is an optical communication device including: a first channel card configured to convert an input first signal into a first optical signal and output the first optical signal to any one of a first MUX/DEMUX connected to a first optical line and a second MUX/DEMUX connected to a second optical line; a second channel card configured to convert an input second signal into a second optical signal and output the second optical signal to any one of the first MUX/DEMUX and the second MUX/DEMUX; and a controller configured to monitor states of the first optical line and the second optical line to determine a MUX/DEMUX from which the first optical signal and the second optical signal are respectively output, from among the first MUX/DEMUX and the second MUX/DEMUX.

公开(公告)号：US20230179272A1

公开(公告)日：2023-06-08

申请号：US18049021

申请日：2022-10-24

Applicant: SOLiD, INC. ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY

Inventor： Nagwon KWON ,  Hyunchae Kim ,  Jihoon Choi

IPC: H04B7/0456 ,  H04L5/00

CPC classification number: H04B7/0456 ,  H04L5/0098

Abstract: A communication node included in a multi-antenna multi-carrier system, when precoding matrices corresponding to some subcarriers from among subcarriers allocated to another communication node connected to the communication node are input, obtains precoding matrices for at least some subcarriers from among the allocated subcarriers by performing spherical interpolation on the input precoding matrices, maps the obtained precoding matrices for the at least some subcarriers to the subcarriers allocated to the other communication node, and performs precoding on the plurality of vector signals using the mapped precoding matrices.