Electronics and Telecommunications Research Institute

Kt Corporation

Korea Telecom

Hyun Soon Shin

Chan Young Hahm

Hyun Moon Shin

Yong Kwi Lee

Jun Rae Jo

Do Hyung Kang

Byung Sun Lee

Sung Won Lee

Choong Seon Hong

Kee Seong Cho

Sung Back Hong

Hyun Jin Lee

Chan Ki Park

Hyun Woo Oh

Hwa Suk Kim

Sung Jin Moon

Intark Han

Eung Ha Kim

Seung Yoon Nam

Tae Ho Yeam

John Lorenzo

Disclosed herein to a method and apparatus for synchronizing signals. According to an embodiment of the present disclosure, there is provided a method for synchronizing a signal. The method comprising: receiving a reference time and performing time synchronization with the reference time; calculating a clock frequency of a system clock based on the reference time; and generating a sampling clock by using the calculated clock frequency of the system clock and a preset sampling frequency.

Method and apparatus for synchronizing signals of signal measuring devices

An abnormal respiration detection apparatus includes a sensor for sensing a PPG signal from an optical signal reflected and received from a user's body; a band pass filter for extracting a signal of a required band from the PPG signal; an analog-to-digital converter for performing a digital conversion on the filtered PPG signal; and an abnormal respiration recognition unit deriving a respiration rate signal from the digital-converted PPG signal, deriving a plurality of respiration rate characteristic values through a time axis analysis on the derived respiration rate signal, and detecting an abnormal respiration using the derived plurality of respiration rate characteristic values. The embodiments can be utilized to monitor the survival of elders who live alone, soldiers isolated in a military operation, persons isolated in disaster and accident sites, thereby contributing to public and social safety and building of welfare society and nation.

Method for detecting abnormal respiration using a photoplethysmography (PPG) signal

A sleep state determination method using biometric and motion information includes acquiring motion information of a user using a motion sensor; determining a primary sleep state of the user based on the acquired motion information; acquiring biometric information of the user using a biometric sensor when the primary sleep state is determined; and determining a final sleep state of the user by combining the acquired biometric information and the primary sleep state.

Method and apparatus for determining sleep state using biometric information and motion information

A method and apparatus for determining a respiration state on the basis of a plurality of biological indicators calculated using bio-signals. The method for determining a respiration state on the basis of a plurality of biological indicators calculated using bio-signals includes collecting a photoplethysmography (PPG) signal measured by a PPG sensor and a cutaneous electric signal measured by an electrodermal activity (EDA) sensor; analyzing the collected PPG signal and cutaneous electric signal and calculating a plurality of biological indicators including a respiration rate; and comprehensively evaluating the plurality of biological indicators to determine a user's respiration state.

Method and apparatus for determining respiration state based on plurality of biological indicators calculated using bio-signals

A digital interior system includes a sensitivity-space-environment detection engine for collecting sensitivity information, space related information, or environmental information about an interior space. Further, the digital interior system includes an interior content generation system for generating interior content about each of objects in the interior space based on the sensitivity information, space related information or environmental information collected by the sensitivity-space-environment detection engine. Furthermore, the digital interior system includes a digital interior construction system for performing interior construction using each of pieces of interior content generated by the interior content generation system.

Digital interior system and method for controlling the same

An emotion-based vehicle service system for safe driving includes a multi-emotion sensor node configured to sense emotion information of a driver and passenger in a vehicle and condition information of the vehicle. The emotion-based vehicle service system further includes an emotion cognition processing apparatus configured to analyze sensing information provided from the multi-emotion sensor node to generate emotion cognition information, and a safe driving service apparatus configured to provide an emotion-based safe driving service depending on the emotion cognition information.

Emotion-based vehicle service system, emotion cognition processing apparatus, safe driving apparatus, and emotion-based safe driving service method

Provided are a dual mode terminal for supporting an access in a different network, a network apparatus, and an operation method thereof. The dual mode terminal may include: an interface to receive first network information from a first network apparatus and to receive second network information from a second network apparatus in response to each network information request; a selection unit to select a single network apparatus based on the first network information and the second network information; and a processing unit to transmit a call connection request to the selected network apparatus, and to control a communication with the selected network apparatus depending on whether the selected network apparatus allows a call connection.

Dual mode terminal for supporting access in different network, network apparatus and operation method thereof

Provided are a method for emotion communication to share a user's emotions between an emotion signal sensing device and an emotion service providing device. The method for emotion communication includes: the emotion signal sensing device's sensing biological and environmental information of the user and generating an emotion signal and emotion information of the user based on the biological and environmental information; establishing an emotion communication connection with the emotion service providing device; transmitting the emotion signal and the emotion information to the emotion service providing device by the emotion communication connection establishment; and breaking the connection with the emotion service providing device.

Method for emotion communication between emotion signal sensing device and emotion service providing device

A system for automatically setting an environment of a user terminal includes a space and context-aware device for sensing a space and a context using a plurality of sensors, defining environment setting information corresponding to the sensed space and context, and sending the defined environment setting information to a user terminal, thereby requesting environment setting or release. Further, the system for automatically setting an environment of a user terminal includes a user terminal for changing environment setting mode while communicating with the space and context-aware device and automatically changing to a status corresponding to the environment setting information when the environment setting information is received.

System and method for automatically setting environment of user terminal

Provided is an access mediator system for mediating convergence services of communication and broadcasting using a non-communicative appliance. The access mediator system includes: a non-communicative appliance access interface unit performing an interface function so as to converge a non-communicative appliance comprising an interface supporting image and voice multimedia data but not including a communication function; a broadband convergence network access interface unit performing an interface function so as to access a broadband convergence network connected to various service provider servers via wire and wireless interfaces; and a main processor accessing a selected service provider server via the broadband convergence network access interface unit to mediate the selected service provider server and the non-communicative appliance.

System for mediating convergence services of communication and broadcasting using non-communicative appliance

Provided is a method for selecting a broadcast routing path using a genetic algorithm in an Ad-hoc network. In the method, a plurality of nodes of the Ad-hoc network is defined as one chromosome, and the chromosome is represented with pairs of {order, power} in each node. Child nodes are created by performing an order based crossover and a power based crossover with respect to parent nodes neighboring to a source node. A mutation operation is performed with respect to the parent nodes and the child nodes. Relay nodes are determined by converting order and power information of each node of the chromosome into routing tree information. Power of the relay nodes is determined. A broadcast routing path is selected using the number and power of the relay nodes.

Method for selecting broadcast routing path using genetic algorithm in Ad-hoc network

Disclosed herein is a method for summarizing a default address of a PNNI (Private Network-Network Interface) lowest level node in an ATM (Asynchronous Transfer Mode) switching system. In the method, first, a database for storing prefix information, node information and reachable address information is constructed. Parameters inputted for creating an internal prefix is arranged to be adaptable to the system, a prefix information is generated by checking the validation and address system of the parameters inputted for creating the internal prefix, and the prefix information is registered in the prefix information database. An ATM end system address is generated by checking the validation and address system of parameters inputted for creating the node information. The node address of the node information is summarized up to the bit length of the internal prefix and the summarization of a default reachable address is performed by defining the internal prefix as the default reachable summarization address.

Growing community of inventors

Daejeon, South Korea

Hyun Soon Shin