Thanh-Tung Nguyen, Insoo Koo, Vol. 8, No. 9, September 29, 2014
10.3837/tiis.2014.09.007

• Primary-secondary user
• Energy Harvesting
• cognitive radio
• channel access policy
• Partially Observable Markov decision process (POMDP)

Young-Doo Lee, Insoo Koo, Vol. 8, No. 8, August 28, 2014
10.3837/tiis.2014.08.005

• cognitive radio sensor network
• received signal strength
• primary user localization
• distance calibration
• underlay model

Hoang Anh, Insoo Koo, Vol. 7, No. 10, October 28, 2013
10.3837/tiis.2013.10.001

• cognitive radio
• Bayesian compressive sensing
• path loss exponent
• angle of arrival method
• received signal strength.

Md. Tahidul Islam, Insoo Koo, Vol. 7, No. 9, September 29, 2013
10.3837/tiis.2013.09.008

• Compressed sensing
• home area network
• multi-layer data communication
• Smart Grid
• Wireless Sensor Network
• zigbee

Thuc Kieu-Xuan, Insoo Koo, Vol. 6, No. 1, January 29, 2012
10.3837/tiis.2012.01.016

• CR
• cooperative spectrum sensing
• Kalman filter
• adaptive fuzzy system
• data fusion.

Hiep-Vu Van, Insoo Koo, Vol. 5, No. 6, June 27, 2011
10.3837/tiis.2011.06.003

• cognitive radio
• spectrum sensing
• malicious suppression
• KL-divergence.

Thuc Kieu-Xuan, Insoo Koo, Vol. 4, No. 3, June 29, 2010
10.3837/tiis.2010.06.006

• cognitive radio
• cooperative spectrum sensing
• data fusion
• fuzzy logic inference system
• presence possibility

Cong Tran-Xuan, Insoo Koo, Vol. 4, No. 1, February 26, 2010
10.3837/tiis.2010.01.003

• localization
• received signal strength
• multi-lateration
• direction calibration
• reliability factors
• weighted least squares
• path loss exponent

Hiep-Vu Van, Insoo Koo, Vol. 3, No. 5, October 29, 2009
10.3837/tiis.2009.05.003

• cognitive radio
• cooperative spectrum sensing
• optimal data fusion
• adaptive energy threshold
• multi-bit quantization