Kobi Cohen's Homepage

Kobi Cohen Kobi Cohen, Ph. D.
Post-Doctoral Researcher
Department of Electrical and Computer Engineering,
University of California, Davis, CA 95616
Phone: 1-530-750-9169
yscohen@ucdavis.edu

Short Bio:

Kobi Cohen received the B.Sc. and Ph.D degrees in electrical engineering from Bar-Ilan University, Ramat Gan, Israel, in 2007, 2012, respectively. He is currently a postdoc researcher at the Signal Processing and Adaptive Networking (SPAN) group working with Prof. Qing Zhao, UC Davis, CA.
Link to my CV

Research Interests:


Publications:


Journal Papers

    Working Papers

  1. Kobi Cohen and Qing Zhao, Analysis of myopic policy for a class of restless multi-armed bandit problems.

  2. Kobi Cohen and Qing Zhao, Anomaly detection over multiple processes: switching with memory.

  3. Submitted

  4. Kobi Cohen and Qing Zhao, Active hypothesis testing for quickest anomaly detection, submitted to IEEE Trans. on Information Theory, 2014.

  5. Kobi Cohen , Qing Zhao and Ananthram Swami, Optimal index policies for anomaly localization in resource-constrained cyber systems, submitted to IEEE Trans. on Signal Processing, 2013. Accepted for publication under minor required changes.

  6. Kobi Cohen and Amir Leshem, Distributed game theoretic optimization and management of multi-channel ALOHA networks, submitted to IEEE/ACM Trans. on Networking, 2013.

  7. Published/Accepted

  8. Kobi Cohen, Amir Leshem and Ephraim Zehavi, Game theoretic aspects of the multi-channel ALOHA protocol in cognitive radio networks, IEEE Journal on Selected Areas in Communications, vol. 31, pp. 2276-2288, Nov. 2013.

  9. Kobi Cohen and Amir Leshem, Performance analysis of likelihood-based multiple access for detection over fading channels, IEEE Trans. on Information Theory, vol. 59, pp. 2471-2481, Apr. 2013.

  10. Oshri Naparstek, Kobi Cohen and Amir Leshem, Parametric spectrum shaping for downstream spectrum management of digital subscriber lines, IEEE Communications Letters, vol. 16, pp. 417-419, Mar. 2012. (O. Naparstek and K. Cohen contributed equally to this paper).

  11. Kobi Cohen and Amir Leshem, Energy-efficient detection in wireless sensor networks using likelihood ratio and channel state information, IEEE Journal on Selected Areas in Communications, vol. 29, pp. 1671-1683, Sep. 2011.

  12. Kobi Cohen and Amir Leshem, A time-varying opportunistic approach to lifetime maximization of wireless sensor networks, IEEE Trans. on Signal Processing, vol. 58 , pp. 5307-5319, Oct. 2010.

Conference Papers

  1. Kobi Cohen and Qing Zhao, Quickest anomaly detection: a case of active hypothesis testing, in Proc. of Information Theory and Applications (ITA) Workshop, Feb. 2014.

  2. Kobi Cohen , Qing Zhao and Ananthram Swami, Optimal Index Policies for Quickest Localization of Anomaly in Cyber Networks, in Proc. of IEEE Global Conference on Signal and Information Processing (GlobalSIP), Dec. 2013.

  3. Kobi Cohen and Amir Leshem, Distributed throughput maximization for multi-channel ALOHA networks, in Proc. of IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Dec. 2013.

  4. Kobi Cohen, Amir Leshem and Ephraim Zehavi, A game theoretic optimization of the multi-channel ALOHA protocol, in Proc. of EAI International Conference on Game Theory for Networks (GameNets), pp. 77-87, May. 2012.

  5. Kobi Cohen and Amir Leshem, Likelihood ratio and channel-based access for energy-efficient detection in wireless sensor networks, in Proc. of IEEE sensor array and multi channel signal processing workshop (SAM) , pp. 17-20, Oct. 2010.

  6. Kobi Cohen and Amir Leshem, Time-varying opportunistic protocol for maximizing sensor networks lifetime, in Proc. of IEEE Acoustics, Speech and Signal Processing (ICASSP), pp. 2421-2424, Apr. 2009.

  7. Kobi Cohen and Amir Leshem, A time-varying opportunistic approach to lifetime maximization of wireless sensor networks, Advanced Communications Center Annual Workshop, 2011 (conference talk without proceeding).