This technology concerns a Hadoop data compression transmission method that considers bandwidth, as well as a recording medium and device for implementing it. Specifically, it is a technology that optimizes Hadoop data compression transmission by considering entropy and bandwidth.
Existing technologies needed to address the technical challenge of selecting whether to compress data and which optimal compression algorithm to use in data transmission, considering entropy and network bandwidth. This technology proposes a configuration that includes network bandwidth, information entropy calculation, and compression cost per compression algorithm based on decompression decisions.
Accordingly, this technology can improve transmission time and network traffic by selecting the compression algorithm most suitable for the network bandwidth. It has practical value in the IT, Internet, and software fields.
This technology concerns a method for managing the state of terminals performing M2M communication in a 5G network environment, along with a recording medium and device for implementing it. Specifically, it is a communication control technology that manages the RRC state and group mobility of 5G M2M terminals.
Existing technologies, by introducing a new RRC state model and managing the RRC state based on terminal grouping, needed to address challenges in managing location registration and paging in M2M communication, particularly concerning group mobility management. To this end, this technology proposes a configuration that includes a state management device for managing the RRC state of terminals performing M2M communication in a 5G network environment, encompassing a first conditional transition, a second state transition, and mobility management.
Consequently, this technology can enhance the efficiency of mobility management by reducing the signaling load generated during location registration and paging, particularly for group mobility management. It offers valuable applications in the broadcasting, telecommunications, IT, and internet sectors.
This technology relates to a method for emotion classification using speech signals, and a recording medium and apparatus for performing the same. Specifically, it is a speech-based emotion classification technology that combines multiple emotion classification models.
Existing technologies faced the challenge of lower accuracy in emotion classification methods using audio signals compared to those using facial expressions, necessitating a solution to improve the accuracy of audio-based emotion classification. To address this, the present technology is implemented through steps including constructing multiple emotion grouping models trained on a large number of audio signals containing various emotions; calculating an emotion discrimination certainty factor, specifically using these multiple emotion grouping models; and comparing the calculated emotion discrimination certainty factor with a standard value.
Accordingly, this technology can improve the accuracy of emotion classification by incorporating all speech feature data extracted from audio signals and utilizing multiple machine-executable classifiers. It has application value in the fields of software, IT, internet, gaming, and entertainment.
This technology relates to a system and method for recognizing elderly living patterns. Specifically, it is an elderly living pattern recognition technology using ontology and behavioral intention inference.
Existing technologies needed to overcome the limitations of analytical tools used to measure living patterns and recognize behavioral intentions in elderly residential spaces. To address this, this technology proposes a configuration that includes a system for elderly living patterns, comprising an intention inference module, a living pattern learning module, and a living pattern display module.
Accordingly, this technology can improve the recognition of living patterns and behaviors by using sensory information based on the daily activities of the elderly. It has value for utilization in the healthcare, pharmaceutical, software, and household goods sectors.
This technology relates to a memory sharing system, method, and a recording medium storing a program for sharing memory in a virtualization system. Specifically, it is a system technology for sharing memory access based on privileges in a virtualized environment.
Previous technologies needed to address the difficulty of securing memory space for guests in virtualization systems. Therefore, this technology proposes a configuration including hardware, a host unit, a guest part, a kernel, and a virtual device for memory sharing.
Accordingly, this technology can improve memory sharing efficiency and security in virtualization systems. It has value for use in the IT, internet, and software fields.
This technology relates to a method and apparatus for generating VNFDs for Tacker. Specifically, it is a technology that automatically generates VNFDs for Tacker using TOSCA-based requirement input.
Existing technologies needed to address the necessity of manual editing and customization of VNFD templates, which was time-consuming and error-prone. To address this, the present technology proposes a configuration that includes a front-end, a back-end, and a database for rendering VNFD templates based on user input.
Accordingly, this technology can improve the efficiency and accuracy of VNFD template production by automating the process and reducing manual errors. It has value for use in the broadcasting, telecommunications, software, IT, and internet sectors.
This technology relates to a current sensor in which the current-carrying conductor for measurement is made of carbon nanotube windings. Specifically, it is a current sensor technology that lowers temperature sensitivity by applying carbon nanotube windings.
Existing technologies faced challenges such as the high-temperature coefficient and sensitivity to temperature changes of copper wire, which led to reduced precision and increased cost, weight, and size in current sensors. To address this, the present technology proposes a configuration that includes a shunt resistor, an ammeter, and an amplifier for measuring current values using carbon nanotube coils.
Accordingly, this technology can improve the precision of current measurement by applying carbon nanotube coils to the primary side coil and reducing sensitivity to temperature changes. It has valuable applications in electronic devices, electronic components, and advanced materials.
This technology relates to a phase shifter capable of multi-angle phase shifting. Specifically, it is an RF phase shifter technology that implements multi-angle phase shifting using variable capacitance.
Conventional technology faced the challenge of increasing the size of the entire high-frequency transceiver due to the need for multiple phase shifters to shift phases at more diverse angles. To address this, the present technology proposes a configuration that includes a first transistor, a pair of first inductors, a second transistor, a second inductor, and a phase shifter with variable capacitance.
Accordingly, this technology improves the miniaturization of the entire high-frequency transceiver section and can reduce phase error through the varactor's capacitance parameters. It has valuable applications in broadcasting, telecommunications, electronic components, semiconductors, and equipment.
This technology relates to a field-effect transistor device capable of enhancement-mode operation. Specifically, it is an enhancement-mode FET device technology utilizing a beta-gallium oxide channel and a ferroelectric layer.
In conventional technology, there was a need to solve the technical challenge of implementing enhanced mode operation in field-effect transistors using beta-gallium oxide (β-Ga2O3) compared to prior art. To address this, the present technology proposes a configuration comprising an insulating layer arranged on a ferroelectric semiconductor layer having a band gap of at least 1.4 eV, based on van der Waals bonding, and a beta-gallium oxide (β-Ga2O3) channel layer.
Accordingly, this technology can improve the breakdown voltage characteristics of field-effect transistor devices by forming a passivation layer between the semiconductor mesa structure and the drain electrode. It has value for utilization in the fields of semiconductors, equipment, electronic components, and advanced materials.
This technology relates to a stacked structure power amplifier using parallel varactors. Specifically, it is a stacked structure RF power amplifier technology that enhances stability with parallel varactors.
Existing technologies needed to solve oscillation and mismatch problems caused by parasitic capacitance components in conventional stacked architecture power amplifiers. To address this, the present technology proposes a configuration including a controller that determines the magnitude of the control voltage for the varactor, a voltage impressing part for applying the control voltage, and a varactor for capacitance control.
Accordingly, this technology can improve circuit stability by controlling capacitance using a varactor in a stacked architecture power amplifier. It has value for utilization in semiconductor, equipment, electronic components, broadcasting, and telecommunications fields.
