公开(公告)号：US20210143905A1

公开(公告)日：2021-05-13

申请号：US17092688

申请日：2020-11-09

Applicant: SOLiD, INC.

Inventor： Bum Soo Park

IPC: H04B10/079 ,  H04B10/2575

Abstract: 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.

公开(公告)号：US11728920B2

公开(公告)日：2023-08-15

申请号：US17869058

申请日：2022-07-20

Applicant: SOLiD, INC.

Inventor： Chi Young Park ,  Gil Koog Kim ,  Bum Soo Park

IPC: H04J14/02

CPC classification number: H04J14/0271 ,  H04J14/0272 ,  H04J14/0283

Abstract: Provided is an optical communication system configured as an optical ring network including: a first optical communication device configured to transmit a first optical signal having a first wavelength in a first direction, and to transmit a second optical signal having a second wavelength in a second direction opposite to the first direction; and a second optical communication device configured to generate a first reflected signal by reflecting the first optical signal when the first optical signal is received, to generate a second reflected signal by reflecting the second optical signal when the second optical signal is received, and to transmit the first and second reflected signals to the first optical communication device, wherein the first optical communication device analyzes a connection state of the second optical communication device based on the first and second reflected signals.

公开(公告)号：US11387908B2

公开(公告)日：2022-07-12

申请号：US17106503

申请日：2020-11-30

Applicant: SOLiD, INC.

Inventor： Bum Soo Park

IPC: H04B10/04 ,  H04B10/50 ,  H04B10/40 ,  H04B10/572

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.

公开(公告)号：US11418277B2

公开(公告)日：2022-08-16

申请号：US17097621

申请日：2020-11-13

Applicant: SOLiD, INC.

Inventor： Chi Young Park ,  Gil Koog Kim ,  Bum Soo Park

IPC: H04J14/02

Abstract: Provided is an optical communication system configured as an optical ring network including: a first optical communication device configured to transmit a first optical signal having a first wavelength in a first direction, and to transmit a second optical signal having a second wavelength in a second direction opposite to the first direction; and a second optical communication device configured to generate a first reflected signal by reflecting the first optical signal when the first optical signal is received, to generate a second reflected signal by reflecting the second optical signal when the second optical signal is received, and to transmit the first and second reflected signals to the first optical communication device, wherein the first optical communication device analyzes a connection state of the second optical communication device based on the first and second reflected signals.

公开(公告)号：US11316589B2

公开(公告)日：2022-04-26

申请号：US17125183

申请日：2020-12-17

Applicant: SOLiD, INC.

Inventor： Bum Soo Park

IPC: H04B10/00 ,  H04B10/40 ,  H04B10/50 ,  H04B10/572 ,  H04J14/02

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.

公开(公告)号：US11265139B2

公开(公告)日：2022-03-01

申请号：US17077489

申请日：2020-10-22

Applicant: SOLiD, INC.

Inventor： Bum Soo Park

IPC: H04L7/00 ,  G04R20/02 ,  H04B10/40 ,  H04B10/50

Abstract: An optical communication device including a GPS receiver receiving and outputting a GPS signal from a satellite; a main controller configured to generate and output synchronization data based on the GPS signal; and an optical transceiver configured to generate an optical signal by superposing input payload data and the synchronization data, and to output the optical signal, wherein a first communication channel corresponding to the payload data and a second communication channel corresponding to the synchronization data are different communication channels. According to embodiments, GPS information for synchronization together with payload data, which is information to be transmitted, may be efficiently transmitted between optical communication devices located in remote locations without separate wavelength allocation and connection of an optical cable, by using an auxiliary management and control channel (AMCC).

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：US11579863B2

公开(公告)日：2023-02-14

申请号：US17075253

申请日：2020-10-20

Applicant: SOLiD, INC.

Inventor： Bum Soo Park ,  Chi Young Park ,  Gil Koog Kim

IPC: G06F8/65 ,  H04B10/40 ,  H04B10/50 ,  H04B10/60

Abstract: Provided is an optical transceiver including: a controller configured to output firmware update data for updating firmware of another optical transceiver connected to the optical transceiver through an optical cable; and a transmitter configured to generate an optical signal by superposing input payload data and the firmware update data, and to transmit the optical signal to the other optical transceiver. According to embodiments, the firmware of a remote optical transceiver at a remote location is automatically updated without affecting payload data, which is information to be transmitted.

公开(公告)号：US11533107B2

公开(公告)日：2022-12-20

申请号：US17092688

申请日：2020-11-09

Applicant: SOLiD, INC.

Inventor： Bum Soo Park

IPC: H04B10/079 ,  H04B10/2575

Abstract: 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.