Kwangsoo Kim, Seung-hun Shin, Byeong-hee Roh, Vol. 11, No. 3, March 30, 2017
10.3837/tiis.2017.03.014

• Wireless Sensor Networks
• Desynchronization
• self-organizing
• MAC
• DEYNC-TDMA
• slot efficiency

Bosung Kim, Kwangsoo Kim, Byeong-hee Roh, Vol. 9, No. 11, November 29, 2015
10.3837/tiis.2015.11.006

• cognitive radio
• Energy Efficiency
• Internet of Things
• medium access control
• spectrum efficiency
• Wireless Sensor Network

Jea Tek Ryu, Byeong-hee Roh, Ki Yeol Ryu, Myungchul Yoon, Vol. 6, No. 7, July 24, 2012
10.3837/tiis.2012.07.008

• SIP
• VoIP
• Call-Disruption Attack
• INFO Method
• authentication
• Asterisk

Jea-Tek Ryu, Byeong-Hee Roh, K i-Yeol Ryu, Vol. 3, No. 5, October 29, 2009
10.3837/tiis.2009.05.006

• SIP flooding
• flooding detection
• SIP flooding attack
• SIP security
• SIP threat

Sun Ho Kim, Byeong-hee Roh, Vol. 2, No. 3, June 24, 2008
10.3837/tiis.2008.03.001

• Network Security
• DDoS
• Attack Traffic Modeling
• Attack Detection