Electronics and Telecommunications Research Institute

Seoul National University

Kwangwoon University Industry-Academic Collaboration Foundation

Jae-Han Lim

Byung Jang Jeong

Jong-Hyun Park

Kyung-Bok Sung

Byung-Tae Jang

Jung-Sook Kim

Ji-Hoon Yun

Woo Jin Byun

Jeong-Dan Choi

Kyeong-Tae Kim

Jae-Jun Yoo

Chang-Sub Shin

Myung-Hee Son

Mi-Jeong Kim

Do-Hyun Kim

Hwanwoong Hwang

Wisnu Murti

A backscatter communication method and apparatus based on pattern-based demodulation is disclosed. The backscatter communication method includes receiving a communication signal, and demodulating the communication signal based on a slope of the communication signal at an edge of each time interval.

Method and apparatus for backscatter communication of pattern-based demodulation

Disclosed are a communication method and communication apparatus using an ambient backscatter communication. A transmission apparatus may include generating a plurality of bitsets by fragmenting data based on a predetermined bitset length, mapping the plurality of bitsets to a plurality of switching patterns based on a data size, and controlling a reflection of a background radio frequency (RF) signal based on a corresponding mapped switching pattern, a total number of the plurality of switching patterns may be determined based on the bitset length, and each of the plurality of switching patterns may have a different length.

Communication method and communication device using ambient backscatter communication

Provided are a reliability-based, real-time sensor network medium access control (MAC) communication system and method using a superframe. The superframe includes an active duration which is a time duration in which a communication is established, and a sleep duration which is a time duration in which no communication is established. The active duration includes a beacon block in which a plurality of beacon transmission nodes are respectively allocated beacon slots for transmitting a beacon frame, and a forwarding block in which each of sinks nodes is allocated a slot for unifying data regarding the sink node and data regarding sensor nodes managed by the sink node and transmit the result of unifying in order to establish a communication between the sink nodes and between each of the sink nodes and a base station.

Reliable and low-latency sensor network MAC system and method using superframe

Provided are a system and method for processing sensing data from a sensor network. The system includes: a data processing condition managing unit for storing sensing data processing conditions; a data processing function managing unit for storing sensing data processing function information; a processed data managing unit for storing processed sensing data; a data pattern managing unit for storing sensing data pattern information; an acquired data managing unit for storing sensing data; a data acquisition condition managing unit for storing sensing data acquisition conditions; a user requirement acquiring unit for acquiring the sensing data acquisition conditions; a data acquiring unit for acquiring sensing data; a data pattern extracting unit for extracting the pattern of sensing data; a data generating unit for processing the sensing data; and a data processing unit for processing the sensing data.

System and method for processing sensing data from sensor network

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Seoul, South Korea

Jae-Han Lim