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Solid Inc patents


Recent patent applications related to Solid Inc. Solid Inc is listed as an Agent/Assignee. Note: Solid Inc may have other listings under different names/spellings. We're not affiliated with Solid Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Solid Inc-related inventors


 new patent  Optical line testing device using wavelength tunable laser

An optical line testing device for measuring at least a cutting position of an optical line according to the present invention includes: a first wavelength tunable laser source configured to generate a first optical signal in which a plurality of wavelengths appear alternately and periodically; a second wavelength tunable laser... Solid Inc

Distributed antenna system for time division duplex

According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and... Solid Inc

Apparatus and processing output signal of analog-to-digital converter

According to an aspect of the inventive concept, there is provided an apparatus for processing an output signal of an analog-digital converter, includes: a first frequency conversion unit for converting a frequency of the output signal of the analog-digital converter so that a band where spurious components exist moves to... Solid Inc

Base station interface device of distributed antenna system

A base station interface device including an interface board, which is located in a housing and determines an upper portion of a first surface as a first mounting location and an upper portion of a second surface opposite to the first surface as a second mounting location, including a relay... Solid Inc

Amplification apparatus having single-input multi-output structure

According to one mode of the inventive concept, an amplification device includes a first amplifier configured to amplify an input multi-band signal to a first level, a separating unit configured to separate the multi-band signal having the first level into a first band signal and a second band signal, and... Solid Inc

Interference cancellation repeater

An interference cancellation repeater includes: a first transmission/reception processing unit configured to convert a radio frequency (RF) input signal input via a link antenna communicatively coupled to a base station into a digital input signal; an interference canceller configured to cancel an interference signal from the digital input signal and... Solid Inc

Node unit capable of measuring and compensating transmission delay and distributed antenna system including the same

Provided is a node unit which is branch-connected to another communication node via a transport medium, the node unit comprising: a delay measurement unit which transmits a test signal for measuring a delay to an adjacent node unit of the branch-connected upper stage via the transport medium and detects a... Solid Inc

Node unit and processing signal for distributed antenna system

According to an aspect of the inventive concept, there is provided a signal processing method performed in a distributed antenna system, includes extracting at least a part of sample data corresponding to an occupied frequency band from a digitized analog RF signal; and combining the extracted sample data.... Solid Inc

Distributed antenna system and signal processing method thereof

According to an aspect of the inventive concept, there is provided a headend apparatus, including: a spectrum analysis unit analyzing frequency spectrums of a plurality of base station signals to detect characteristic information of the plurality of base station signals; a control unit transmitting the characteristic information to a network... Solid Inc

Base station signal matching device

A base station signal matching device is a base station signal matching device mounted in a distributed antenna system for amplifying a received base station signal and transmitting the amplified base station signal to a user terminal. The base station signal matching device includes a first unit for generating first... Solid Inc

Base station signal matching device and relay device including the same

A base station signal matching device configured to receive a base station signal from a base transceiver station (BTS), the base station signal matching device is embedded in a relay device, and the base station signal matching device includes a signal attenuation unit configured to receive the base station signal... Solid Inc

Mobile communication base station system

A base station system includes a main conversion unit configured to receive a first downlink frame conforming to a first protocol and a second downlink frame conforming to a second protocol, and configured to reconstruct the first and second downlink frames to conform to a third protocol and generate a... Solid Inc

Remote apparatus of distributed antenna system

A remote apparatus includes: a plurality of sub amplification units amplifying radio frequency (RF) signals of different frequency bands, respectively; a test signal generation unit generating test signals of a frequency band for any one sub amplification unit among the plurality of sub amplification units; a conversion unit converting intermodulation... Solid Inc

Headend device of distributed antenna system and signal processing method thereof

A headend device includes a spectrum analysis unit configured to analyze a frequency spectrum of a plurality of base station signals to detect characteristic information of the plurality of the base station signals, a control unit configured to generate a control signal to control a power of the plurality of... Solid Inc

Communication module assembly

A communication module assembly includes a case; a communication module accommodated in the case and including at least two module terminals; and a connection member including connection terminals respectively connected to the module terminals, and a bridge unit configured to connect the connection terminals, wherein when the connection terminals and... Solid Inc

Data compression device and method using floating point format

A data compression device includes an analog to digital converter (ADC) configured to convert an analog signal into a digital signal including in-phase and quadrature components; and a compressor configured to generate a 28-bit fixed-point digital signal in which bits of the in-phase and quadrature components are alternately arranged, generate... Solid Inc

Interference cancellation repeater and signal attenuation method thereof

An interference cancellation repeater including a subtractor configured to subtract an estimated signal from a digital reception signal and output an interference canceled signal; a first power calculator configured to calculate power of the digital reception signal; a second power calculator configured to calculate power of the interference canceled signal;... Solid Inc

Repeater and signal attenuation method thereof

A repeater including an analog attenuator configured to attenuate an analog signal in response to a first control signal; an analog to digital converter (ADC) configured to convert the attenuated analog signal into a digital signal; a digital attenuator configured to attenuate the digital signal in response to a second... Solid Inc

Interference cancellation repeater

An interference cancellation repeater configured to cancel an interference signal included in an input signal, the interference cancellation repeater including: a canceller configured to generate an interference canceled signal based on the input signal and an estimated signal; a digital filter configured to filter the interference canceled signal to generate... Solid Inc

Interference cancellation repeater

An interference cancellation repeater for canceling an interference signal included in an input signal including a first adaptive filter configured to generate a first estimated signal; a second adaptive filter configured to generate a second estimated signal; a first scaler configured to scale the first estimated signal based on a... Solid Inc

Peak cancellation-crest factor reduction device, peak-to-average power ratio reduction method, and peak value determination device

A peak cancellation-crest factor reduction (PC-CFR) device includes a clipping unit configured to output a clipping error signal by clipping amplitude values of a first baseband complex signal based on a predetermined threshold value; a peak value determination unit configured to receive the clipping error signal, and determine a first... Solid Inc

Method and devices for reducing peak to average power ratio

According to an aspect of the inventive concept, there is provided a crest factor reduction (CFR) core, including: a clipper clipping an input signal; a delay unit delaying the input signal; a first subtractor subtracting the clipped input signal from the delayed input signal; an error shaping filter filtering the... Solid Inc

Monitoring device for distributed antenna system

A monitoring device for a distributed antenna system including at least two node units communicatively coupled to each other transmits, to at least one target node unit among the node units, a data dump command for a first target signal passing through a first signal path in the target node... Solid Inc

Distributed antenna system

A distributed antenna system includes a headend device for generating a downlink transmission signal by combining a plurality of downlink RF signals in different frequency bands, received from a plurality of base stations, and converting the downlink transmission signal into a downlink optical signal, a main remote device for receiving... Solid Inc

Distributed antenna system for multiple input multiple output signal

According to an aspect of the inventive concept, there is provided a master unit included in a distributed antenna system of a frequency division duplex scheme, includes: a frequency converting unit converting a frequency of a first signal received from a base station into a predetermined frequency to generate a... Solid Inc

Multi-antenna relay device

Provided is a multi-antenna relay device. The multi-antenna relay device having first to n-th (n is a natural number of 2 or more) channel formed between receiving antennas and transmitting antennas corresponding to each other, comprising: first to n-th channel interference cancellation units, respectively, included in a corresponding channel among... Solid Inc

Distributed antenna system

A technology related to a distributed antenna system is disclosed. In an exemplary embodiment, a distributed antenna system may include a master unit and a plurality of remote units. The master unit may be interfaced with a wireless communications network and perform a bidirectional simultaneous digital radio frequency distribution of... Solid Inc

Node unit capable of measuring delay and distributed antenna system including the same

A node unit of distributed antenna system, the node unit comprises a delay measuring part configured to transmit a first test signal for delay measurement to an upper adjacent node unit and detect the first test signal looped back via the upper adjacent node unit and measure a round trip... Solid Inc

Node unit of distributed antenna system

The inventive concept relates to a distributed antenna system (DAS), and more particularly, to an uplink signal transmission operation of each of node units constituting a DAS. A node unit of a DAS includes a multiplexer configured to generate a single uplink signal by selectively outputting any one of m... Solid Inc

Relay system in ring topology

A master unit configured to manage a plurality of remote units connected in a ring topology, the master unit comprising: a network management section configured to transmit at least one of a path-state monitoring control signal and a delay measurement control signal to the plurality of remote units in a... Solid Inc

Signal processing device for distributed antenna system

A signal processing device according to an exemplary embodiment of the inventive concept can integrate a power amplifier, a duplexer, and a linearizer as a module to improve the convenience of management and to improve flexibility and extensibility so as to be transformable corresponding to a change in system development... Solid Inc

Base station signal matching device

A base station signal matching device is a base station signal matching device mounted in a distributed antenna system for amplifying a received base station signal and transmitting the amplified base station signal to a user terminal. The base station signal matching device includes a first unit for generating first... Solid Inc

Communication module assembly

The present invention relates to a communication module assembly. The present invention is a communication module assembly which is electrically connected to a communication device and is supplied with power and signal, and can include a connection port unit that is supplied with the power and the signal from the... Solid Inc

Coaxial connector

The present invention relates to a coaxial connector. According to the present invention, there is provided a coaxial connector which is installed for electrical connection of a communication module, and includes a first connector in which an insulator through which a conductor penetrates is installed inside a first housing, and... Solid Inc

Interference cancellation relay device

Provided is an interference cancellation relay device. The interference cancellation relay device includes: an interference cancellation unit cancelling an interference signal from an input signal and outputting the input signal from which the interference signal is removed; a gain control unit controlling a gain of an output signal of the... Solid Inc








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