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WiMAX (World-wide Interoperability for Microwave Access) will offer broadband wireless access at data rate of multiple mega bits per second to the end-user within a range of several kilometers. WiMAX is a complement to fixed, portable and mobile access for wireless communications. Application of nanotechnology is taking place in WiMAX/Wi-Fi and other wireless communication systems, which is "State-of-the-art" technology at the moment. Evolution of microelectronics towards miniaturization is one of the main motivations for nanotechnology. In a wireless environment, transfer of information/data through an open-air medium makes vulnerable to external attacks, such as jamming, detection, interception, interruption, modification, fabrication, un-authorised forwarding, etc.
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