Abstract: In the case of a gas in which several gases are mixed, a type and concentration of the gas may be incorrectly measured when measured using only an optical band-pass filter. The invention of the present application is directed to providing a technology in which a plurality of broadband band-pass filters having overlapping regions are provided to calculate a magnitude of absorption for each wavelength band for light passing through each broadband band-pass filter, thereby identifying the presence of a gas of interest and the presence of a gas other than the gas of interest.

Abstract: A reward generating method for reducing peak load of power consumption and a computing device for performing the same are provided. The reward generating method for reducing the peak load of the power consumption includes calculating an energy index according to a predetermined time interval using power consumption data of a specific building, to which an energy storage system (ESS) is applied, during a predetermined period, determining a reward index according to an action of the ESS using a reward function generated based on the energy index, and training a training model to which the reward function is applied through a reward generated based on the reward index.

Abstract: Provided is a method for improving reliability of artificial intelligence-based object recognition, in which: in a server interworking with an artificial intelligence module, one or more object regions included in learning data including an image of a recognition target object to be recognized through the artificial intelligence module are recognized; object region recognition data which sets the recognized object regions is extracted and is provided to user terminals in a designated order; a procedure for receiving, from the user terminals, object region selection data which selects at least one effective object region corresponding to the recognition target object among object regions included in the object region recognition data is performed; and the object region selection data of respective users received from the user terminals is mutually compared and analyzed by the same object region selection data.

Abstract: A method for controlling an energy storage system (ESS) and devices performing the method are disclosed. A method for controlling an ESS according to example embodiments, the method includes an operation of analyzing energy information of an area for which a peak power load is to be calculated received from a plurality of clients included in the area, an operation of generating, based on an analysis result, scheduling control information for controlling the ESS connected to the plurality of clients on a daily basis, an operation of determining, based on the scheduling control information, whether to generate real-time control information for controlling the ESS on a basis of a predetermined control time period, and an operation of correcting, based on the real-time control information, the scheduling control information.

Abstract: Provided are a reward generation method for reducing a peak load of power and an action control apparatus for performing the method. The reward generation method generates a reward according to a continuous energy storage system (ESS) action to reduce a peak load of a building by applying power consumption data monitored in the building to an artificial intelligence (AI)-based reinforcement learning scheme.

Abstract: The present invention relates to a method for improving reliability of artificial intelligence-based object recognition using collective intelligence-based mutual verification, in which: in a server interworking with an artificial intelligence module, one or more object regions included in learning data including a structured image or an unstructured image of a recognition target object to be recognized through the artificial intelligence module are recognized; object region recognition data which sets the recognized object regions is extracted and is provided to one or more user terminals in a designated order; a procedure for receiving, from the user terminals, object region selection data which selects at least one effective object region corresponding to the recognition target object among one or more object regions included in the object region recognition data is performed for a predetermined period of time; and the object region selection data of respective users received from the user terminals is mut

Abstract: A power charge/discharge control method and apparatus for controlling an energy storage apparatus by using a short-term power consumption amount are disclosed. In order to prevent use of power exceeding a peak load of power energy or reverse transmission of power to a power network due to operation of the energy storage apparatus, the power charge/discharge control apparatus predicts a short-term consumption amount in consideration of a power consumption pattern of a building, and controls charging and discharging of the energy storage apparatus in real time by using the predicted short-term power consumption amount.

Abstract: Disclosed herein is an apparatus for controlling transmit power, including: a global positioning system (GPS) receiving unit receiving GPS signals from one or more satellites and measuring signal strengths of the GPS signals; a processor calculating transmit power corresponding to a current position depending on the GPS signals according to a predefined command; a memory storing the command therein; and a communication interface transmitting a data signal including data depending on the transmit power.

Abstract: A method and apparatus of detecting a frame boundary by using a preamble are provided. The method includes delaying the preamble by a predetermined length of time, wherein the preamble includes an LTF and a code of the (n+1)th one of 2n sync sequences of the LTF is the inverse of a code of the last one of the sync sequences of STF; calculating a correlation value between the preamble and the delayed preamble; and detecting a frame boundary by comparing the correlation value with a threshold correlation value.

Abstract: Disclosed herein is an apparatus for controlling transmit power, including: a global positioning system (GPS) receiving unit receiving GPS signals from one or more satellites and measuring signal strengths of the GPS signals; a processor calculating transmit power corresponding to a current position depending on the GPS signals according to a predefined command; a memory storing the command therein; and a communication interface transmitting a data signal including data depending on the transmit power.

Abstract: A method of generating a packet for low energy critical infrastructure monitoring (LECIM) wireless communication is provided. The method includes steps of generating a first bit string by multiplexing a physical layer header (PHR) bit and a physical layer service data unit (PSDU) bit; convolution encoding the first bit string; interleaving the convolution-encoded first bit string; generating a second bit string by multiplexing the interleaved first bit string with a synchronization header (SHR) bit; and modulating the second bit string with a frequency shift keying (FSK) method and a position-based FSK method.

Abstract: A method of generating a packet of a physical layer transmitter of a TV white space (TVWS) wireless personal area network (WPAN) system operating a WPAN service in TVWS is provided. A packet that is generated by the method of generating the packet includes a preamble, a start frame delimiter that is positioned after the preamble, a first physical layer header that is positioned after the start frame delimiter, and a physical layer service data unit that is positioned after the first physical layer header. Here, the first physical layer header represents whether the packet is a ranging packet for ranging, and includes a ranging packet identification bit corresponding to a reserved bit of the second physical layer header in a SUN system and a LECIM system, and a parity bit.

Abstract: A transmitting apparatus of a WPAN communication system generates a synchronization header, a physical layer header, and a physical layer service data unit, multiplexes the synchronization header and the physical layer header into a bit stream and then modulates the multiplexed bit stream by a first differential phase modulation scheme, modulates the physical layer service data unit by a second differential phase modulation scheme, and multiplexes and transmits a symbol modulated by the first differential phase modulation scheme and a symbol modulated by the second differential phase modulation scheme into a symbol stream.

Abstract: A transmitting apparatus of a WPAN communication system generates a synchronization header, a physical layer header, and a physical layer service data unit, multiplexes the synchronization header and the physical layer header into a bit stream and then modulates the multiplexed bit stream by a first differential phase modulation scheme, modulates the physical layer service data unit by a second differential phase modulation scheme, and multiplexes and transmits a symbol modulated by the first differential phase modulation scheme and a symbol modulated by the second differential phase modulation scheme into a symbol stream.

Abstract: A receiving apparatus receives an FSK signal, converts the FSK signal into a phasor including amplitude and phase, estimates and compensates for a CFO (carrier frequency offset) from the converted phasor, and recovers a data bit from the converted phasor.

Abstract: To detect a victim signal in an ultra wideband communication system, fast Fourier transform of a received signal including a plurality of time symbols is performed to generate a signal including a plurality of frequency symbols, it is determined whether a first signal is present in a first region of the signal, and if a first signal is present, the first signal is detected as a first victim signal. Next, an error signal is generated based on the signal including the plurality of frequency symbols, it is determined whether a second signal is present in a second region of the error signal, and if a second signal is present, the second signal is detected as a second victim signal.

Abstract: A method and apparatus of detecting a frame boundary by using a preamble are provided. The method includes delaying the preamble by a predetermined length of time, wherein the preamble includes an LTF and a code of the (n+1)th one of 2n sync sequences of the LTF is the inverse of a code of the last one of the sync sequences of STF; calculating a correlation value between the preamble and the delayed preamble; and detecting a frame boundary by comparing the correlation value with a threshold correlation value.

Abstract: A DAA (Detection And Avoidance) apparatus for use in a UWB receiver includes a frequency offset unit for adding a preset frequency offset to a UWB signal including a victim signal and an FFT unit for performing a fast-Fourier-transformation on the UWB signal with the frequency offset added thereto. The DAA apparatus further includes a DAA unit for detecting a victim signal from the fast-Fourier-transformed UWB signal and, when reception power of the victim signal is higher than a predetermined reference power level, changing a communication channel for the UWB signal to avoid interference.

Abstract: A transmitting apparatus groups a data bit sequence to groups each formed of a predetermined number of bits, modulates predetermined bits of one of groups through a frequency shift keying (FSK) modulation method, non-continuously aligns the FSK modulation signals, and transmits the non-continuous FSK modulation signals.

Abstract: The present invention relates to the structure of a frame which can be used as the Orthogonal Frequency Division Multiplexing (OFDM) physical (PHY) standard of TV White Spaces (TVWS). In accordance with the present invention, the throughput of an OFDM system can be improved by providing the TVWS OFDM PHY structure that supports efficient data transfer, and the wide selection of a scrambling seed can be guaranteed because a scrambling seed value is included in the PHY header.