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The integrated EPR information system supports convenient and rapid e-medicine services. A secure and efficient authentication scheme for the integrated EPR information system provides safeguarding patients’ electronic patient records (EPRs) and helps health care workers and medical personnel to rapidly making correct clinical decisions. Recently, Wu et al.(More)
This article presents a modified scheme named local search ant colony optimization algorithm on the basis of alternative ant colony optimization algorithm for solving flow shop scheduling problems. The flow shop problem (FSP) is confirmed to be an NP-hard sequencing scheduling problem, which has been studied by many researchers and applied to plenty of(More)
Increasingly, services operations which perform data sensing and data propagation in a dynamic environment are important tasks of wireless sensor networks. Therefore, increasing the network lifetime is the main contribution of this investigation. In this paper, we propose a novel power-aware chessboard-based adaptive routing (PCAR) protocol to support(More)
The problem for dynamic IP address assignment is manifest in mobile ad hoc networks (MANETs), especially in 4G all-IP-based heterogeneous networks. In this paper, we propose a ring-based address au-toconfiguration protocol to configure node addresses. This work aims at the decentralized ring-based address autoconfiguration (DRAA) protocol , which has the(More)
The mobile multimedia applications have recently generated much interest in wireless ad hoc networks with supporting the quality-of-service (QoS) communications. The QoS metric considered in this work is the reserved bandwidth, i.e., the time slot reservation. We approach this problem by assuming a common channel shared by all hosts under a TDMA (Time(More)
Secure verified-based three-party authentication scheme for data exchange in telecare medicine information systems enables two users only store their verifiers computed from their actual password in authentication server’s database. Then the authentication server can verify the users’ verifiers and help them to exchange electronic medical records or(More)
In this paper, we investigate a new efficient QoS routing protocol based on the time-slot leasing mechanism over Bluetooth WPANs. The ''transmission holding'' problem is incurred because the master node is the communication bottleneck for each slave-master-slave communication in Bluetooth. To alleviate this problem, a time-slot leasing scheme is adaptively(More)
Authenticated key agreements for telecare medicine information systems provide patients, doctors, nurses and health visitors with accessing medical information systems and getting remote services efficiently and conveniently through an open network. In order to have higher security, many authenticated key agreement schemes appended biometric keys to realize(More)
In IEEE 802. 15. 4 sensor networks, the non-optimal selection of routes, congestion and uneven traffic distribution in tree routing can cause performance degradation. Also the imbalance in the workload can result in hotspot problems and the energy depletion of the nodes. In this paper we propose an ant based multiple cluster tree routing for 802. 15. 4(More)