Ahmad, J., Garrison, B., Gruen, J., Kelly, C., and Pankey, H. (2003). 4G wireless systems. Next-Generation Wireless Working Group.
Ahmadi, S. (2009). An overview of next-generation mobile WiMAX technology. IEEE Communications Magazine, 84–98.
Ahmed, B. and Feroze, Z. (2009). 3G Cellular Network. Sweden: School of Engineering at Blekinge Institute of Technology, MEE09: 25.
Ahuja, S. and Collier, N. (2010). An assessment of WiMAX security. CN Communications and Network (2), 134–137.
Akin, D. (2005, May 1). 802.11i authentication and key management (AKM). Retrieved October 27, 2015, from https://www.cwnp.com/uploads/802–11i_key_management.pdf.
Andrews, J. G., Buzzi, S., Choi, W., Hanly, S. V., Lozano, A., Soong, A. C., and Zhang, J. ...