Patents Assigned to SOLID, INC.
  • Repeater and method of operation thereof
    Patent number: 11240087
    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.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: February 1, 2022
    Assignee: SOLiD, INC.
    Inventor: Nagwon Kwon
  • Main unit and distributed antenna system including the same
    Patent number: 11206599
    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.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: December 21, 2021
    Assignee: SOLiD, INC.
    Inventors: Do Yoon Kim, Hyoung Ho Kim, Kwang Nam Seo
  • Communication node and communication system for performing clock synchronization
    Patent number: 11206625
    Abstract: A communication system comprises a clock generator configured to generate a plurality of system clock signals used to synchronize components included in each of communication nodes in the communication system based on an external clock signal provided by an external clock source located outside the communication system and a physical layer configured to transmit any one of the generated system clock signals to a small cell communicatively connected to an end communication node of the communication system.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: December 21, 2021
    Assignee: SOLiD, INC.
    Inventors: Donghee Kwon, Hoopyo Hong
  • METHOD OF INTERWORKING BETWEEN SPECTRUM SHARING SYSTEM AND DISTRIBUTED ANTENNA SYSTEM
    Publication number: 20210391895
    Abstract: The disclosure provides a method of operating a distributed antenna system (DAS) interworking with a spectrum sharing system (SSS) including: transmitting, by a node unit of the DAS, DAS information to a management system entity (MSE); generating, by the MSE, linkage information based on the DAS information and radio service device (RSD) information received from at least one RSD of the SSS; transmitting, by the MSE, the interworking information to a system controller of the SSS; receiving, by the MSE, allocation information including a result of allocating shared radio resources to the DAS and the at least one RSD, respectively, according to the interworking information from the system controller; transmitting, by the MSE, the allocation information to the node unit; and operating, by the node unit, according to the allocation information.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 16, 2021
    Applicant: SOLiD, INC.
    Inventor: Ok Jin KIM
  • METHOD OF OPERATING DISTRIBUTED ANTENNA SYSTEM INTERWORKING WITH SPECTRUM SHARING SYSTEM
    Publication number: 20210391896
    Abstract: The disclosure provides a method of operating a distributed antenna system (DAS) interworking with a spectrum sharing system (SSS) including: setting, by a node unit of the DAS, a radio resource to be used by each of a plurality of radio service devices (RSDs) communicatively connected to the node unit; requesting, by the node unit, available radio resource information from a system controller of the SSS based on a result of the setting; receiving, by the node unit, allocation information including a result of allocating shared radio resources of the SSS to the DAS from the system controller; and selectively activating, by the node unit, a service signal corresponding to the set radio resource of each of the plurality of RSDs according to the allocation information.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 16, 2021
    Applicant: SOLiD, INC.
    Inventor: Ok Jin KIM
  • Distributed antenna system and method of operation thereof
    Patent number: 11202268
    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.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: December 14, 2021
    Assignee: SOLiD, INC.
    Inventors: Dong Hee Kwon, Hoo Pyo Hong, Yong Hoon Kang, Dae Young Kim, Young Man Cho
  • OPTICAL TRANSCEIVER AND METHOD FOR AUTOMATICALLY SETTING WAVELENGTH THEREOF
    Publication number: 20210376948
    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.
    Type: Application
    Filed: May 28, 2021
    Publication date: December 2, 2021
    Applicant: SOLiD, INC.
    Inventors: Bum Soo PARK, Tae Hyeong KIM, Chi Young PARK, Seung Hee LEE, Eun Sung LEE
  • Distributed antenna system using reconfigurable frame structure and method of operation thereof
    Patent number: 11184054
    Abstract: According to an aspect of the present disclosure, a method of processing a data stream in a node unit included in a distributed antenna system includes: receiving frame layout information; changing a frame layout of a predetermined transmission frame based on the received frame layout information; and framing a plurality of data streams based on the changed frame layout.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: November 23, 2021
    Assignee: SOLiD, INC.
    Inventors: Dong Hee Kwon, Hoo Pyo Hong
  • REPEATER AND METHOD FOR MEASURING SIGNAL-TO-INTERFERENCE-PLUS- NOISE RATIO THEREOF
    Publication number: 20210359776
    Abstract: Provided is an SINR measurement method of a repeater, the SINR measurement method including: obtaining SSBs from a plurality of base stations; obtaining cross-correlation for each of PSS symbols included in the obtained SSBs; measuring noise power based on the obtained SSBs; obtaining signal power and interference signal power based on a dot product of the cross-correlation for each of the PSS symbols; and measuring the SINR based on the signal power, the interference signal power, and the noise power.
    Type: Application
    Filed: May 13, 2021
    Publication date: November 18, 2021
    Applicant: SOLID, INC.
    Inventor: Nag Won Kwon
  • Repeater and operating method thereof
    Patent number: 11101970
    Abstract: An operating method of a repeater, the operating method comprises: receiving a first communication signal according to a first mobile communication standard, generating a time division duplex (TDD) switching signal based on information about a start point of the received first communication signal, and controlling switching of an uplink and a downlink of a repeater that relays a second communication signal according to a second mobile communication standard based on the generated TDD switching signal.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: August 24, 2021
    Assignee: SOLiD, INC.
    Inventors: Hyunchae Kim, Hoony Hong
  • DISTRIBUTED ANTENNA SYSTEM-BASED ON TIME SENSITIVE NETWORK
    Publication number: 20210234746
    Abstract: A TSN-based distributed antenna system including a headend unit, one or more TSN switches, and one or more remote units and a fronthaul transport network constituted by the headend unit, the TSN switch, and the remote unit is provided. The packet-based fronthaul network constituted by the headend unit, the TSN switch, and the remote unit transmits traffic in a time-deterministic manner while minimizing packet loss through Ethernet to which TSN standards are applied.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Applicant: SOLiD, Inc.
    Inventors: Dong Hee KWON, Hoo Pyo HONG, Young Man CHO, Dae Young KIM, Hyun Jung KIM
  • OPTICAL MODULE ASSEMBLY
    Publication number: 20210231893
    Abstract: 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.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 29, 2021
    Applicant: Solid, Inc.
    Inventors: Tae Ho Kim, In Ju Lee
  • Method of processing communication signal and communication node using the same
    Patent number: 11070256
    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.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: July 20, 2021
    Assignee: SOLiD, INC.
    Inventors: Youngin Kim, Seongwook Byun, Hosik Jang
  • LASER DIODE DRIVER FOR MULTI-LEVEL OPTICAL SIGNAL AND MULTI-LEVEL OPTICAL SIGNAL TRANSMISSION DEVICE INCLUDING THE SAME
    Publication number: 20210218222
    Abstract: Provided are a laser diode driver for a multilevel optical signal and a multilevel optical signal transmission device including the same, wherein the laser diode driver includes: a clock generator configured to generate and output a clock signal; a first latch configured to delay output of data corresponding to a first timing of the clock signal from among data sequentially input at each data input period; a second latch configured to delay output of data corresponding to a second timing of the clock signal from among data sequentially input at each data input period; a first synchronization processor configured to output a signal corresponding to the data input by the first latch according to the clock signal; and a second synchronization processor configured to output a signal corresponding to the data input by the second latch according to the clock signal.
    Type: Application
    Filed: January 5, 2021
    Publication date: July 15, 2021
    Applicant: SOLiD, INC.
    Inventor: Won Song CHANG
  • Base station interface module and distributed antenna system having the same
    Patent number: 11057961
    Abstract: 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.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: July 6, 2021
    Assignee: SOLiD, INC.
    Inventor: Jong Dae Byun
  • NETWORK MANAGEMENT SYSTEM AND METHOD FOR SYNCHRONIZATION OF COMMUNICATION NETWORK
    Publication number: 20210194613
    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.
    Type: Application
    Filed: December 14, 2020
    Publication date: June 24, 2021
    Applicant: SOLiD, INC.
    Inventors: Donghee KWON, Hoopyo HONG
  • OPTICAL TRANSCEIVER AND METHOD OF AUTOMATICALLY SETTING WAVELENGTH THEREOF
    Publication number: 20210184773
    Abstract: Provided is an optical transceiver including: an optical transmitter configured to sequentially generate a plurality of optical transmission signals each including transmission wavelength information and output the plurality of optical transmission signals to a connected multiplexer/demultiplexer; and a controller configured to generate the transmission wavelength information for each of the plurality of optical transmission signals.
    Type: Application
    Filed: December 17, 2020
    Publication date: June 17, 2021
    Applicant: SOLiD, INC.
    Inventor: Bum Soo PARK
  • Optical relay system and method for setting identification information of remote device in optical relay system
    Patent number: 11038592
    Abstract: Provided are an optical relay system and a method for setting identification information of a remote device in an optical relay system. In particular, provided are an optical relay system and a method for setting identification information of a remote device in an optical relay system in which a donor device generates unique identification information of a remote device based on temporary identification information and characteristic information received from the remote device to automatically set identification information of the remote device, and as a result, the optical relay system can be normally implemented rapidly in initial installation of the optical relay system or a change of an optical relay system environment and convenience of a manager and reliability of a mobile communication service can be improved.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: June 15, 2021
    Assignee: SOLiD, INC.
    Inventor: Youngwoo Kwon
  • Device and method of managing data of distributed antenna system
    Patent number: 11029944
    Abstract: The inventive concept relate to a device and method of managing data of a distributed antenna system. According to an embodiment of the inventive concept, a data management device of a distributed antenna system includes an unpackaging unit, when a package file which is generated by packaging firmware files of a plurality of devices constituting a distributed antenna system is input, configured to unpackage the package file; a control unit configured to determine a device requiring firmware update by comparing version information of the package file with version information of a firmware file of each of the devices included in the unpackaged package file; and a transmission unit configured to transmit a latest version of a firmware file to a device corresponding to a top node of the device requiring firmware update according to a result of the determination.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: June 8, 2021
    Assignee: SOLiD, INC.
    Inventor: Bongcheol Na
  • OPTICAL TRANSCEIVER
    Publication number: 20210167860
    Abstract: Provided is an optical transceiver including a reference tunable laser module configured to generate and output light of a reference wavelength; a first general tunable laser module configured to generate and output light of a first wavelength; and a controller configured to control a tuning operation of the first wavelength of the first general tunable laser module, based on information about a relationship between the reference wavelength and the first wavelength.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 3, 2021
    Applicant: SOLiD, INC.
    Inventor: Bum Soo PARK