Abstract: A display device includes a substrate including a pixel region and a peripheral region. A plurality of pixels is disposed in the pixel region of the substrate. Each of the plurality of pixels includes a light emitting element. Data lines and scan lines are connected to each of the plurality of pixels. A power line is configured to supply power to the plurality of pixels. The power line includes a plurality of first conductive lines and a plurality of second conductive lines intersecting the plurality of first conductive lines. The plurality of second conductive lines is arranged in a region between adjacent light emitting elements of the plurality of pixels. At least some of the plurality of second conductive lines extend in a direction oblique to a direction of extension of the data lines or the scan lines.

Abstract: According to the present exemplary embodiments, provided are a traffic signal system and a vehicle which estimate a position and a moving direction of a vehicle in accordance with a driving status of the vehicle at an intersection and improve a positioning accuracy based on wired or wireless communication.

Abstract: An audio device includes a first earbud and a second earbud, each of which is configured to establish respective first and second wireless links with an audio source, and receive, from the audio source, audio information over the respective first and second wireless links. The first earbud and the second earbud are further configured to communicate with one another over a third wireless link. At least one of the first earbud and the second earbud includes a measurement circuit configured to measure respective signal strengths of the first, second and third wireless links, a computation circuit configured to compute a difference in signal strengths of the first and second wireless links, and a determination circuit configured to determine an operating environment of the audio device based on the computed difference and further based on the signal strength of the third wireless link.

Abstract: Disclosed is a system and method for estimating a residual capacity of an Energy Storage System (ESS). The system includes an ESS controller operably coupled to the ESS including a plurality of battery racks and rack controllers. The ESS controller acquires a state of charge (SOC) of the battery racks from the rack controllers, determines an actual usage pattern of the ESS indicating a change in SOC of the ESS for each reference time period, determines a first ESS residual capacity at End of Life (EOL) by applying an average of the actual usage patterns over a whole period of an EOL lifespan, and records a first deviation between the first ESS residual capacity and a reference residual capacity.

Abstract: Disclosed is a power control apparatus, which may effectively prevent a specific battery rack from being damaged due to power imbalance between battery racks in a battery bank including a plurality of battery racks. The battery bank power control apparatus controls a power of a battery bank having a plurality of battery racks, and includes a power adjusting unit configured to adjust a magnitude of a bank power amount input to or output from all of the plurality of battery racks based on a preset bank power limit; a power measuring unit configured to measure a rack power amount for each of the plurality of battery racks; and a bank control unit configured to set the bank power limit based on the rack power measurement value of each battery rack measured by the power measuring unit.

Abstract: According to the exemplary embodiment of the present disclosure, the method and the device for adapting a link of a V2X communication system acquires an appropriate parameter value to efficiently perform the link adaptation in the V2X communication system, thereby improving an average data transfer rate, determines an MCS level based on the state value (effective SNR) acquired in consideration of the device movement speed to build a V2X communication system which adaptively operates according to the state of the device.

Abstract: A wireless power transmission system includes a receiver position identifier unit configured to determine the positions of receiver apparatuses; a signal transmitter unit comprising antennas arrayed in a pre-designated pattern and configured to radiate wireless power signals by forming a beam in a pattern corresponding to signals supplied respectively to the antennas; and a beamforming unit configured to improve a wireless power transmission efficiency by temporarily setting a frequency vector, which is for designating frequencies of the signals supplied to the antennas, and a beamforming vector, which is for designating phases and gains of the signals, based on the positions of the receiver apparatuses and alternatingly iteratively estimating the other vector to enhance power transmission efficiency such that a multi-lobe beam pattern radiated simultaneously in the directions of the receiver apparatuses is formed in the antennas.

Abstract: According to the present exemplary embodiments, provided are a traffic signal system and a vehicle which estimate a position and a moving direction of a vehicle in accordance with a driving status of the vehicle at an intersection and improve a positioning accuracy based on wired or wireless communication.

Abstract: Provided are a method and apparatus for transmitting and receiving channel information in a wireless communication system. The method for transmitting and receiving channel information in a wireless communication system includes: receiving information about a channel information providing method from a base station; receiving, from the base station, a reference signal for measuring a channel status between the base station and the terminal; determining channel information for a plurality of services, based on the information about the channel information providing method and the reference signal; and transmitting, to the base station, the channel information for the plurality of services.

Abstract: According to the present exemplary embodiments, provided are a traffic signal system and a vehicle which estimate a position and a moving direction of a vehicle in accordance with a driving status of the vehicle at an intersection and improve a positioning accuracy based on wired or wireless communication.

Abstract: According to the present exemplary embodiments, provided are a traffic signal system and a vehicle which estimate a position and a moving direction of a vehicle in accordance with a driving status of the vehicle at an intersection and improve a positioning accuracy based on wired or wireless communication.

Abstract: The present exemplary embodiments provide a reinforcement learning based signal detection apparatus and method for vehicular MIMO communication which flexibly adjust the performance and the complexity by applying the reinforcement learning during the MIMO signal detecting process, improving a trade-off relationship between the performance and the complexity of the MIMO signal detection, and controlling the number of episodes of the reinforcement learning in accordance with the speed of the vehicle.

Abstract: A wireless power transmission system includes a receiver position identifier unit configured to determine the positions of receiver apparatuses; a signal transmitter unit comprising antennas arrayed in a pre-designated pattern and configured to radiate wireless power signals by forming a beam in a pattern corresponding to signals supplied respectively to the antennas; and a beamforming unit configured to improve a wireless power transmission efficiency by temporarily setting a frequency vector, which is for designating frequencies of the signals supplied to the antennas, and a beamforming vector, which is for designating phases and gains of the signals, based on the positions of the receiver apparatuses and alternatingly iteratively estimating the other vector to enhance power transmission efficiency such that a multi-lobe beam pattern radiated simultaneously in the directions of the receiver apparatuses is formed in the antennas.

Abstract: A method of manufacturing a zirconium alloy for a nuclear fuel cladding tube includes melting a mixture of 0.5 wt % of Nb, 0.4 wt % of Mo, 0.1 to 0.15 wt % of Cu, 0.15 to 0.2 wt % of Fe, and a balance of zirconium to prepare a melted ingot; heat treating the melted ingot at 1,000 to 1,050° C. for 30 to 40 min. followed by quenching in water to prepare a heat-treated ingot; preheating the heat-treated ingot at 630 to 650° C. for 20 to 30 min. to prepare a preheated ingot followed by hot rolling the preheated ingot at a reduction ratio of 60 to 65% to provide a hot-rolled material; thrice performing vacuum annealing followed by cold-rolling; and vacuum annealing a third cold-rolled material in a final vacuum annealing at 510 to 520° C. for 7 to 9 hrs. to provide the zirconium alloy as a cold-rolled material.

Abstract: Provided are a method and apparatus for transmitting and receiving channel information in a wireless communication system. The method for transmitting and receiving channel information in a wireless communication system includes: receiving information about a channel information providing method from a base station; receiving, from the base station, a reference signal for measuring a channel status between the base station and the terminal; determining channel information for a plurality of services, based on the information about the channel information providing method and the reference signal; and transmitting, to the base station, the channel information for the plurality of services.

Abstract: The present invention relates to a recrystallization rate measurement method of zirconium alloy cladding of a nuclear fuel rod, the method including: step 1 of irradiating SEM electron beams at a given scanning interval onto a first specimen to a third specimen which were electrolytically polished and obtaining electron backscattered signals therefrom by an EBSD camera; step 2 of converting electron backscattered signals obtained in step 1 into pattern quality values, respectively, and generating the pattern quality values as frequencies by a specified interval; step 3 of obtaining pattern quality frequencies (B+D) which are a portion of a whole frequency distribution of the second specimen, and pattern quality frequencies (D+E) which are a portion of a whole frequency distribution of the first specimen; and step 4 of obtaining the recrystallization rate of the second specimen with an equation of X ? = ( B + D ) ( D + E ) × 100 , % .

Abstract: A zirconium alloy is manufactured through melting; solution heat treatment at 1,000 to 1,050° C. (?) for 30 to 40 min and ?-quenching using water; preheating at 630 to 650° C. for 20 to 30 min and hot rolling at a reduction ratio of 60 to 65%; primary intermediate vacuum annealing at 570 to 590° C. for 3 to 4 hr and primarily cold-rolled at a reduction ratio of 30 to 40%; secondary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and secondarily cold-rolled at a reduction ratio of 50 to 60%; tertiary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and tertiarily cold-rolled at a reduction ratio of 30 to 40%; and final vacuum annealing at 460 to 590° C. for 7 to 9 hr.

Abstract: The present disclosure relates to a 5G or pre-5G communication system that will be provided to support a higher data transmission rate beyond a 4G communication system such as LTE. Disclosed is an interference measurement method and device in a flexible duplex system. The method comprises the steps of: determining whether uplink (UL) grant for allocating UL transmission has been received from a base station in a first subframe; when the UL grant has not been received, measuring inter-cell interference for an uplink interference measurement resource (IMR) in at least one second subframe determined by the first subframe; and when the UL grant has been received, measuring inter-cell interference for the uplink interference measurement resource (IMR) in at least one third subframe before a subframe that is indicated by the UL grant.

Abstract: The present invention relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). The present invention relates to the transmission of a filter bank multi-carrier (FBMC) symbol in a wireless communication system, and a method for operating a transmission terminal comprises the steps of: transmitting a first FBMC symbol generated by applying filters to subcarriers according to a first pattern; and transmitting a second FBMC symbol generated by applying the filters to the subcarriers according to a second pattern. In addition, the present invention also comprises examples different from the above mentioned example.

Abstract: The present invention relates to a recrystallization rate measurement method of zirconium alloy cladding of a nuclear fuel rod, the method including: step 1 of irradiating SEM electron beams at a given scanning interval onto a first specimen to a third specimen which were electrolytically polished and obtaining electron backscattered signals therefrom by an EBSD camera; step 2 of converting electron backscattered signals obtained in step 1 into pattern quality values, respectively, and generating the pattern quality values as frequencies by a specified interval; step 3 of obtaining pattern quality frequencies (B+D) which are a portion of a whole frequency distribution of the second specimen, and pattern quality frequencies (D+E) which are a portion of a whole frequency distribution of the first specimen; and step 4 of obtaining the recrystallization rate of the second specimen with an equation of X ? = ( B + D ) ( D + E ) × 100 , % .