• Member of Editorial Board, International Journal on Communications, Antenna and Propagation (IRECAP), (January, 2011 - Present).
• Member of Editorial Board, The International Journal of Communication Networks & Information Security (IJCNIS), (February 2009 - Present).
• Member of Editorial Board, Scientific Journals International - Electrical Engineering (October 2007 - Present).

• Served on a panel review for the National Institute on Health and National Institute on Alcohol Abuse and Alcoholism (NIH/NIAAA) funding agency (proposals dealing with developing innovative methods using cell phones and wireless communications for measuring and enhancing patient compliance to prescribed medication).
• Reviewer for the National Science and Engineering Research Council of Canada (NSERC) - Collaborative Research and Development Grants.
• Reviewer for the National Science Foundation (NSF) Dynamic Data Driven Applications Systems (DDDAS) Program.
• Participated in NSF Panel Review, National Science Foundation (NSF) Dynamic Data Driven Applications Systems (DDDAS) Program, Washington, DC, USA.
• Reviewer for the U.S. Civilian Research and Development Foundation (CRDF).

• Reviewer for the IEEE Transactions on Communications
• Reviewer for the IEEE Transactions on Wireless Communications
• Reviewer for the IEEE Transactions on Vehicular Technology
• Reviewer for the IEEE Communications Letters
• Reviewer for the IET (formerly IEE) Electronics Letters
• Reviewer for the IET Communications
• Reviewer for the IEEE/OSA Journal of Lightwave Technology
• Reviewer for the IEEE Communications Magazine
• Reviewer for the IEEE Vehicular Technology Magazine
• Reviewer for the IEEE Antenna and Propagation Magazine
• Reviewer for the IEEE Potentials
• Reviewer for SPIE - Journal of Electronic Imaging
• Reviewer for the SPIE - Optical Engineering
• Reviewer for the OSA Optics Express (The International Electronic Journal of Optics)
• Reviewer for the Wiley Journal of Wireless Communications and Mobile Computing
• Reviewer for the EURASIP Journal on Wireless Communications and Networking
• Reviewer for the Journal of Computer Systems, Networks, and Communications
• Reviewer for the International Journal of Communication Systems
• Reviewer for the International Journal of Computers and Applications

• Reviewer for the John Wiley & Sons, Inc. (One book chapter on wireless security)

• Reviewer for a textbook on "Digital Logic" for McGraw-Hill and Content Connections, LLC

• Reviewer for the 2011 International Conference on Communications and Information Technology (ICCIT-2011) (Wireless Communications and Signal Processing Symposium), March 29-31, 2011, Aqaba, Jordan.
• Reviewer for the Transmission Technologies Track of the IEEE 72^nd Vehicular Technology Conference (VTC2010-Fall), Sept. 6 -9, 2010, Ottawa, Canada.
• Reviewer for the International Association of Science and Technology for Development (IASTED) International Conference on Wireless Communications (WC 2010), July 15 - 17, 2010, Banff, Alberta, Canada.
• Reviewer for the 2010 IEEE International Conference on Communications (ICC 2010) - Wireless and Mobile Networking Symposium, May 23-27, 2010, Cape Town, South Africa.
• Reviewer for the 2008 IEEE Wireless Communications and Networking Conference (WCNC 2008) - Networking Track in the area of Wireless Sensor Networks, March 31 - April 3, 2008, Las Vegas, Nevada, USA.
• Reviewer for the 8^th ACS/IEEE International Conference on Computer Systems and Applications (AICCSA-08) - Networking and Multimedia Track, March 31 - April 4, 2008, Doha, Qatar.
• Reviewer for The International Wireless Communications & Mobile Computing Conference (IWCMC 2006), July 3-6, 2006, Vancouver, Canada.
• Reviewer for the International Conference on Wireless Networks and Emerging Technologies (WNET 2006) - The International Association of Science and Technology for Development (IASTED), July 3- 5, 2006, Banff, Canada.
• Reviewer for Communication Networks and Services Research Conference (CNSR 2006), May 24-25, 2006, Moncton, New Brunswick, Canada.
• Reviewer for the 2004 IEEE Wireless Communications and Networking Conference (WCNC 2004), March 21-25, 2004. Atlanta, GA, USA.
• Reviewer for Symposium on Wireless Communications at the 2004 IEEE International Communications Conference (ICC 2004), June 20-24, 2004, Paris, France.
• Reviewer for Symposium on Multimedia Technologies and Services at the 2004 IEEE International Communications Conference (ICC 2004), June 20-24, 2004, Paris, France.
• Reviewer for the 2004 IEEE Vehicular Technology Conference (VTC 2004 Spring), May 17-19, 2004, Milan, Italy.
• Reviewer for the 17^th International Conference on Parallel and Distributed Computing Systems (PDCS-2004), November 9-11, 2004, Cambridge, Massachusetts, USA.
• Reviewer for the 2003 IEEE Global Communications Conference (GLOBECOM 2003), December 1-5, 2003, San Francisco, CA, USA.
• Reviewer for the 2003 IEEE Vehicular Technology Conference (VTC Fall 2003), October 6-9, 2003, Orlando, Florida, USA.
• Reviewer for the 2003 IEEE Wireless Communications and Networking Conference (WCNC 2003), 20-24 March 2003, New Orleans, LA, USA.
• Reviewer for the 1999 IEEE International Performance, Computing, and Communications Conference (IPCCC '99), 10-12 Feb. 1999, Austin, TX, USA.