COMMUNICATION NODE AND COMMUNICATION SYSTEM FOR PERFORMING CLOCK SYNCHRONIZATION

    公开(公告)号:US20220078732A1

    公开(公告)日:2022-03-10

    申请号:US17530552

    申请日:2021-11-19

    申请人: SOLID, INC

    IPC分类号: H04W56/00 H04J3/06

    摘要: 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.

    Communication node and communication system for performing clock synchronization

    公开(公告)号:US11206625B2

    公开(公告)日:2021-12-21

    申请号:US16638239

    申请日:2019-05-24

    申请人: SOLiD, INC.

    IPC分类号: H04W56/00 H04J3/06

    摘要: 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.

    METHOD OF OPERATING DISTRIBUTED ANTENNA SYSTEM INTERWORKING WITH SPECTRUM SHARING SYSTEM

    公开(公告)号:US20210391896A1

    公开(公告)日:2021-12-16

    申请号:US17348147

    申请日:2021-06-15

    申请人: SOLiD, INC.

    发明人: Ok Jin KIM

    IPC分类号: H04B7/022 H04W16/14 H04W72/04

    摘要: 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.

    METHOD OF INTERWORKING BETWEEN SPECTRUM SHARING SYSTEM AND DISTRIBUTED ANTENNA SYSTEM

    公开(公告)号:US20210391895A1

    公开(公告)日:2021-12-16

    申请号:US17348136

    申请日:2021-06-15

    申请人: SOLiD, INC.

    发明人: Ok Jin KIM

    IPC分类号: H04B7/022 H04W16/14 H04W72/04

    摘要: 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.

    REPEATER AND METHOD FOR MEASURING SIGNAL-TO-INTERFERENCE-PLUS- NOISE RATIO THEREOF

    公开(公告)号:US20210359776A1

    公开(公告)日:2021-11-18

    申请号:US17319357

    申请日:2021-05-13

    申请人: SOLID, INC.

    发明人: Nag Won Kwon

    摘要: 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.

    Repeater and operating method thereof

    公开(公告)号:US11101970B2

    公开(公告)日:2021-08-24

    申请号:US16423922

    申请日:2019-05-28

    申请人: SOLiD, INC.

    IPC分类号: H04B7/14 H04L5/14 H04B7/15

    摘要: 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.

    Optical relay system and method for setting identification information of remote device in optical relay system

    公开(公告)号:US11038592B2

    公开(公告)日:2021-06-15

    申请号:US16397603

    申请日:2019-04-29

    申请人: SOLiD, INC.

    发明人: Youngwoo Kwon

    摘要: 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.

    COMMUNICATION DEVICE AND OPERATING METHOD THEREOF

    公开(公告)号:US20210160887A1

    公开(公告)日:2021-05-27

    申请号:US17103442

    申请日:2020-11-24

    申请人: SOLiD, INC.

    发明人: Nagwon KWON

    IPC分类号: H04W72/08 H04W24/02

    摘要: A method of operating a communication device including a processor and a memory, the method comprises feeding back a downlink communication signal subjected to analog signal processing, generating signal modification information according to a comparison result of the fed-back downlink communication signal and a downlink communication signal before the analog signal processing, generating an interference cancellation signal for canceling interference occurring in an uplink communication signal by the downlink communication signal based on the generated signal modification information and canceling interference occurring in the uplink communication signal by using the generated interference cancellation signal.

    SYSTEM AND METHOD OF MONITORING BASE STATION SIGNAL

    公开(公告)号:US20210143905A1

    公开(公告)日:2021-05-13

    申请号:US17092688

    申请日:2020-11-09

    申请人: SOLiD, INC.

    发明人: Bum Soo Park

    IPC分类号: H04B10/079 H04B10/2575

    摘要: Provided is a base station signal monitoring system including: a plurality of optical transmission devices configured to transmit a base station signal; a measuring device configured to measure the base station signal according to a preset method; and a switch device, which is connected to the plurality of optical transmission devices and the measuring device, configured to switch connections between a plurality of input ports and a plurality of output ports so that the base station signal is transmitted from one of the plurality of optical transmission devices to the other one of the plurality of optical transmission devices or the measuring device.

    COMMUNICATION SIGNAL PROCESSING METHOD, AND BASE STATION AND HEADEND DEVICE USING THE SAME

    公开(公告)号:US20210135917A1

    公开(公告)日:2021-05-06

    申请号:US17088870

    申请日:2020-11-04

    申请人: SOLiD, INC.

    发明人: Ok Jin KIM

    摘要: A communication signal processing method comprises obtaining transmission delay value difference data relating to a difference in transmission delay values in a communication network that varies depending on whether or not a redundant path is used, obtaining redundancy status data relating to whether the redundant path is used, and controlling a parameter of a communication signal transmitted by the communication network based on the transmission delay value difference data when the redundant path is used as a result of determination according to the redundancy status data.