Development and performance improvement of cognitive radio testbed on TV white space
Jung-Sun Um, Sangwon Kim, Hoiyoon Jung, JinSuk Pak, ByungJang Jeong
Published in 2014 IEEE Wireless Communications and Networking Conference (WCNC) (01.04.2014)
Published in 2014 IEEE Wireless Communications and Networking Conference (WCNC) (01.04.2014)
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Conference Proceeding
Implementation of sensing module for spectrum sharing in TV white space
Hoiyoon Jung, Sunmin Lim, Jung-Sun Um, Seung Keun Park
Published in 2015 IEEE International Conference on Consumer Electronics (ICCE) (01.01.2015)
Published in 2015 IEEE International Conference on Consumer Electronics (ICCE) (01.01.2015)
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Conference Proceeding
A design approach of radio frequency module for TV white space based on filter bank
Kyu-Min Kang, Jung-Sun Um, Jae Cheol Park, Byung Jang Jeong
Published in 2015 IEEE International Conference on Consumer Electronics (ICCE) (01.01.2015)
Published in 2015 IEEE International Conference on Consumer Electronics (ICCE) (01.01.2015)
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Conference Proceeding
Cyclostationary Approaches to Signal Detection and Classification in Cognitive Radio
Kim, Kyouwoong, Akbar, Ihsan A., Bae, Kyung K., Um, Jung-Sun, Spooner, Chad M., Reed, Jeffrey H.
Published in 2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (01.04.2007)
Published in 2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (01.04.2007)
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Conference Proceeding
Applying Radio Environment Maps to Cognitive Wireless Regional Area Networks
Youping Zhao, Morales, L., Gaeddert, J., Bae, K.K., Jung-Sun Um, Reed, J.H.
Published in 2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (01.04.2007)
Published in 2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (01.04.2007)
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Conference Proceeding
Sleeve monopole antenna for CA and MIMO on TV white space system
Jung-Sun Um, Hoiyoon Jung, Sangwon Kim, Seung Keun Park
Published in 2014 International Conference on Information and Communication Technology Convergence (ICTC) (01.10.2014)
Published in 2014 International Conference on Information and Communication Technology Convergence (ICTC) (01.10.2014)
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Conference Proceeding
Compressive spectrum sensing with sequences considering cross-correlation in frequency domain
Hoiyoon Jung, Jung-Sun Um, Seung Keun Park, Hyung Do Choi
Published in 2014 International Conference on Information and Communication Technology Convergence (ICTC) (01.10.2014)
Published in 2014 International Conference on Information and Communication Technology Convergence (ICTC) (01.10.2014)
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Conference Proceeding
Compressive spectrum sensing algorithm based on robust detection criterion with ratio of residual matrix
Hoiyoon Jung, Jung-Sun Um, Byung Jang Jeong, Hyung Do Choi
Published in 2014 Sixth International Conference on Ubiquitous and Future Networks (ICUFN) (01.07.2014)
Published in 2014 Sixth International Conference on Ubiquitous and Future Networks (ICUFN) (01.07.2014)
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Conference Proceeding
Implementation of PHY module for personal and portable Cognitive Radio devices
Jung-Sun Um, Sung-Hyun Hwang, Byung-Jang Jeong, Chang-Joo Kim
Published in 2011 IEEE International Conference on Consumer Electronics (ICCE) (01.01.2011)
Published in 2011 IEEE International Conference on Consumer Electronics (ICCE) (01.01.2011)
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Conference Proceeding
Adaptive Resource Allocation for OFDMA with Mixed Frame Structure
Jin Soo Wang, Sung Bo Sim, Jae Cheol Park, Jung-Sun Um, Chang Joo Kim, Yun Hee Kim
Published in VTC Spring 2009 - IEEE 69th Vehicular Technology Conference (01.04.2009)
Published in VTC Spring 2009 - IEEE 69th Vehicular Technology Conference (01.04.2009)
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Conference Proceeding
Development of Radio Environment Map Enabled Case- and Knowledge-Based Learning Algorithms for IEEE 802.22 WRAN Cognitive Engines
Zhao, Youping, Gaeddert, Joseph, Morales, Lizdabel, Bae, Kyung, Um, Jung-Sun, Reed, Jeffrey H.
Published in 2007 2nd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (01.08.2007)
Published in 2007 2nd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (01.08.2007)
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Conference Proceeding
Performance comparison of RS-CC concatenated codes using NSC and RSC codes
Kibeom Byun, Sunghan Jung, Dong Joon Shin, Jung Sun Um
Published in 2010 2nd IEEE InternationalConference on Network Infrastructure and Digital Content (01.09.2010)
Published in 2010 2nd IEEE InternationalConference on Network Infrastructure and Digital Content (01.09.2010)
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Conference Proceeding
Design and Verification of IEEE 802.22 WRAN Physical Layer
Sung Hyun Hwang, Jung Sun Um, Myung Sun Song, Chang Joo Kim, Hyung Rae Park, Yun Hee Kim
Published in 2008 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CrownCom 2008) (01.05.2008)
Published in 2008 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CrownCom 2008) (01.05.2008)
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Conference Proceeding