In this paper, while observing a sequence of packet losses in the network, we are interested in determining whether the losses are caused by link errors only, or by the combined effect of link errors and malicious drop. Link error and malicious packet dropping are two sources for packet losses in multi-hop wireless ad hoc network. We are especially interested in the insider-attack case, whereby...

In this paper, we investigate joint provision of connection-level QoS (in terms of the new call blocking probability and the handoff dropping probability) and packet-level QoS (in terms of the delay and packet loss probability). A dynamic call admission control (CAC) scheme for realistic wireless multimedia VBR traffic is presented. The proposed CAC scheme can optimize the packet-level QoS unde...

This article proposes an integrated framework for adaptive QoS provision in IEEE 802.16e broadband wireless access networks based on cross-layer design. On one hand, an efficient admission control (AC) algorithm is proposed along with a semi-reservation scheme to guarantee the connection-level QoS. First, to guarantee the service continuity for handoff connections and resource efficiency, our s...

Teams of autonomous agents working in coordination achieve greater efficiency and operation capability than agents performing solo-missions. Multi-agent systems have been investigated widely in the recent past owing to their wide applications and advantages. Formation control is one among the problems being investigated in both control and multi-agent systems paradigm. In formation control team...

In a “censoring” or “send/no-send” approach to decentralized detection, sensors only transmit “informative” observations to the fusion center, which is able to significantly reduce energy consumption particularly when one hypothesis is more likely. The canonical “censoring” decentralized detection, however, assumes the communication channels between sensors and the fusion center are perfect, wh...

Wireless Body Sensor Networks (WBSNs) involve a convergence of biosensors, wireless communication and networks technologies. WBSN enables real-time healthcare services to users. Wireless sensors can be used to monitor patients’ physical conditions and transfer real time vital signs to the emergency center or individual doctors. Wireless networks are subject to more packet loss and congestion. T...

In WLANs, stations sharing a common wireless channel are governed by IEEE 802.11 protocol. Many conscious studies have been conducted to utilize this precious medium efficiently. However, most of these studies have been done either under assumption of idealistic channel condition or with unlimited retransmitting number. This paper is devoted to investigate influence of limited retransmissions a...