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Mobile and Wireless Information Systems received considerable interest in research and development communities. As a result, significant advances were made, which will affect our life both as users and researchers of mobile and wireless technologies. In this paper, we discuss both the current state of mobile and wireless information systems and the challenges in the wide-scale deployment and use of these systems. In particular, we address applications, wireless networks, mobile payments, security, challenges and research problems.
Upkar Varshney (Wed,) studied this question.