IEEE Transactions on Mobile Computing
Wireless Aspects of Telehealth
Wireless Personal Communications: An International Journal
On Pareto-efficiency between profit and utility in OFDM resource allocation
IEEE Transactions on Communications
Mobile Networks and Applications
Proceedings of the Fifth International Conference on Body Area Networks
Distributed call admission control in mobile/wireless networks
IEEE Journal on Selected Areas in Communications
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With the rapid growth of elderly population, u-healthcare service combined with advanced wireless networking technology is gaining popularity. The advance in medical sensor technology has boasted up the u-healthcare market potential. However, the global connectivity with a sufficient level of reliability is still an issue to study for its prototype development. The energy efficient packet-level scheduling was studied but the scheduling and management topics in the access stratum, which is the beginning part of end-to-end connection for ubiquitous healthcare service, are still open. In this paper, we study an efficient and adaptive method that can provide u-healthcare user devices with an increased level of access privilege so that the healthcare related user data, which is sometimes delay-critical, can be more favorable admitted to the access stratum. We develop a mathematical formulation for the access control in access stratum domain over the existing 3.9-th generation (3.9G) cellular communication standard, called Long Term Evolution (LTE) and devise an efficient and exact algorithm to solve it. The proposed method has simplicity in implementation and efficiency in operation. In addition, it can improve key performance measures, such as call blocking and call dropping performance.