People

Director

Graduate Students

Hanif Rahbari

Ph.D. Candidate
Email: rahbari (at) email (dot) arizona (dot) edu
Research interests: Wireless networks, cognitive radios and dynamic spectrum access, physical-layer security, 802.11 systems, optimization, and algorithms.
Before joining the University of Arizona, Hanif received his M.Sc. (2009) and B.Sc (2007) degrees from Amirkabir University of Technology and Sharif University of Technology, respectively, under the supervision of Dr. Mehdi DehghanTakhtfooladi and Dr. Hamid Rabiee.

Wessam Afifi

Ph.D. Candidate
Email: wessamafifi (at) email (dot) arizona (dot) edu

Research interests:Resource allocation, protocol design, and channel access strategies in wireless networks, dynamic spectrum access, macro/femto cellular systems, full-duplex communications.
Wessam received his B.Sc from the Electrical Engineering Department at Alexandria University, Egypt, in 2009, and his M.Sc from the Wireless Intelligent Networks Center (WINC) at Nile University, Egypt, in 2011. During his M.Sc, he worked as a research assistant at Nile University. In summer 2015, he was visiting with Nokia Research Labs as a student research intern.

Berk Akgun

Ph.D. Candidate
Email: berkakgun (at) email (dot) arizona (dot) edu
Research interests: Physical-layer security in wireless networks, MIMO, coding theory, information theory, and optimization.
Before joining the Ph.D. program at the UA, Berk was a design engineer at Aselsan (Turkey) from 2012 to 2014. He received both of his BS and MSc degrees from the Electrical and Electronics Engineering Department of Middle East Technical University in 2012 and 2014, respectively. His MSc research focused on energy harvesting in wireless networks, conducted under the supervision of Dr. Elif Uysal Biyikoglu.

Peyman Siyari

Ph.D. Candidate
Email: psiyari (at) email (dot) arizona (dot) edu

Research interests: Physical-layer security in wireless networks, resource allocation, MIMO, and game theory.
Peyman received his B.Sc from the Electrical and Computer Engineering Department of Semnan University, Iran, in 2011, and his M.Sc from the Electrical Engineering Department of Amirkabir University of Technology (Tehran Polytechnic), Iran, in 2013. During his M.Sc, he worked as a research assistant under the supervision of Dr. Hassan Aghaeinia.

Irmak Aykin

Ph.D. Candidate
Email: aykin (at) email (dot) arizona (dot) edu

Research interests: Wireless networks, DSA networks, cognitive radios.
Irmak received her BS degree from Middle East Technical University in 2012 and her MSc degree from Bilkent University in 2014, both in Electrical and Electronics Engineering. During her Master's, she worked under the supervision of Dr. Ezhan Karasan on heterogeneous wireless networks.

Mohammed Hirzallah

Ph.D. Candidate
Email: hirzallah (at) email (dot) arizona (dot) edu

Research interests: Cognitive radio networks, spectrum sensing, interference management, MIMO radar, and coexistence techniques and models.
Mohammed received his B.Sc. degree in electrical engineering from The University of Jordan (2011), Amman, and his M.Sc. degree in electrical and computer engineering from The University of Arizona, Tucson (Spring 2015).

Junseok Kim

Ph.D. Candidate
Email: junseok (at) arizona (dot) edu

Research interests: Wireless (cognitive radio / vehicular / sensor) ad-hoc networks, cross-layer design between PHY, MAC, and NET.
Junseok is currently working for Broadcom.

Group Alumni

Former Postdocs and Research Scientists

Manjesh Kumar Hanawal (Ph.D. from INRIA, France, in 2013; currently a research scientist at Northeastern University, MA)
Diep Nguyen (Ph.D. from the University of Arizona in 2013; currently a Research Fellow in Wireless Communications, Macquarie University, Australia)
Tao Shu (Ph.D. from UA in 2010; currently an Assistant Professor of Computer Science at Oakland University, Oakland, Rochester, Michigan)
Ossama Younis (Ph.D. from Purdue Univ. in 2005; currently a Research Scientist at NIST - Advanced Network Technologies Division)

Ph.D. Graduates

Mohammad Jamal Abdel Rahman, Ph.D. in Nov. 2014 (currently a Postdoc at Virginia Tech, Blacksburg)
Dissertation title: Robust cognitive algorithms for fast-varying spectrum-agile wireless networks
Diep Nguyen, Ph.D. in May 2013 (currently a Research Fellow at Macquarie University, Australia)
Dissertation title: Resource allocation strategies for cognitive and cooperative MIMO communications: algorithm and protocol design
Sisi Liu, Ph.D. in Dec. 2011 (currently a Member of Technical Staff at Broadcom, San Jose)
Dissertation title: Securing wireless broadcast communication against internal attacks (co-advised with Prof. Loukas Lazos)
Tao Shu, Ph.D. in Dec. 2010 (currently an Assistant Professor of CS at Oakland University, Oakland, Rochester, Michigan)
Dissertation title: Efficient radio resource management and routing mechanisms for opportunistic spectrum access networks
Raed Al-Zubi, Ph.D. in Aug. 2010 (currently an Assistant Professor at the University of Jordan, Amman, Jordan)
Dissertation title: Mechanisms and protocols for interference management and resource utilization in UWB communications
Fan Wang, Ph.D. in Aug. 2009 (currently with Qualcomm, San Jose)
Dissertation title: Utility-based resource allocation strategies and protocol design for spectrum-adaptive wireless networks
Mohammad Siam, Ph.D. in April 2009 (currently an Assistant Professor at Al-Isra University, Amman, Jordan)
Dissertation title: Power-controlled channel access and routing protocols for MIMO-capable wireless networks
Haythem Bany Salameh, Ph.D. in April 2009 (currently an Assistant Professor at Yarmouk University, Jordan)
Dissertation title: Channel access mechanisms and protocols for opportunistic cognitive radio networks
Satyajeet (Satya) Ahuja, Ph.D. in Aug. 2008 (currently with Facebook Inc., Menlo Park, California)
Dissertation title: Algorithms and protocols for constrained path selection and fault monitoring in packet networks
Mohamed Hassan, Ph.D. in Nov. 2005 (currently an Associate Professor of Electrical Engineering at the American University of Sharjah, United Arab Emirates)
Dissertation title: Adaptive techniques and optimizations for media streaming over wireless channels
Alaa Muqattash, Ph.D. in Nov. 2005 (currently a Member of Technical Staff at Olympus Communication Technology of America, San Diego, California)
Dissertation title: Medium access control and adaptive transmission techniques in wireless networks
Abdullah Balamash, Ph.D. in Aug. 2004 (currently an Assistant Professor of ECE at King Abdul-Aziz University, Saudi Arabia)
Dissertation title: Web traffic modeling and its application in the design of caching and prefetching systems
Turgay Korkmaz, Ph.D. in Oct. 2001 (currently an Associate Professor of Computer Science at the University of Texas at San Antonio)
Dissertation title: QoS routing in packet networks
Jeong-Geun Kim, Ph.D. in March 2000 (currently an Associate Professor in the Department of Radio Engineering, Kyung Hee University, Korea)
Dissertation title: Providing quality-of-service guarantees in multi-service wireless networks

M.S. Graduates

Harish Kumar Shankar, M.S. degree in April 2013 (currently a Software Engineer at Palo Alto Networks, Santa Clara, CA)
Thesis title: Cooperative QoS-aware sensing/probing architecture and cross-layer protocol design for multi-rate opportunistic networks
Amit Kumar, M.S. degree in Dec. 2008 (currently a Ph.D. candidate in the Statistics Department at the University of North Carolina, Chapel Hill)
Thesis title: Modeling the short-term characteristics of Internet traffic at boundary routers
Aman Arora, M.S. in May 2004 (currently at Qualcomm Inc., San Diego)
Thesis title: Interference-limited concurrent transmissions for wireless ad hoc networks with directional antennas
Vignesh Bhvaneshwar, M.S. in Dec. 2003 (currently at Qualcomm Inc., San Diego)
Thesis title: A cross-layer power aware protocol for wireless ad hoc networks
Aytac Azgin, M.S. in Dec. 2003 (currently a Ph.D. candidate in ECE at Georgia Institute of Technology)
Thesis title: Scheduling in wireless cellular networks under probabilistic channel information
Michelle D'Souza, M.S. in April 2003 (currently at Mouser Electronics, Coppell, Texas)
Thesis title: Evaluating the performance of TCP over wireless links
Lifeng Zhang, M.S. in August 1999 (currently at ILS International Library Systems)
Thesis title: Using M/G/infinity processes for modeling MPEG-compressed video traffic
Arivu Ramasamy, M.S. in June 1999 (currently at Cisco Inc., San Jose)
Thesis title: WWW traffic characterization and its application in dimensioning network resources

Recent Visitors

Prof. Mohamed Hassan, American University of Sharjah, United Arab Emirates
G. Selda UYANIK, Computer Engineering Department, Faculty of Computer and Informatics, Istanbul Technical University, Istanbul, Turkey.
Dr. Hicham Khalife, Laboratoire d'Informatique de Paris 6 (LIP6), University Pierre et Marie Curie (Paris VI), Paris, France.
Professor Young-Joo Suh, POSTECH University, Korea.
Dr. Philippe Nain, INRIA, Sophia Antipolis, France.
Professor Luigi Atzori, University of Cagliari, Italy.
Professor Sung Jo Hong, Dongguk University, Korea.