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Improvements in emerging practical network coding methods, such as multi-generation Mixing (MGM), can be attributed to two arguably independent factors: (1) An intrinsic factor that is due to the cooperation among intermediate (propagating) nodes in mixing traffic received through multiple routing paths. (2) An extrinsic factor that is due to the level of reliability provided by network coding from...
In this paper, we consider the throughput scaling laws for the dual-radio random wireless networks under the well-known protocol model. The dual-radio network is one kind of heterogeneous wireless network, where some among the n nodes in the network are equipped with a secondary wireless interface, which has stronger connectivity and larger data transmission capability than the first normal wireless...
In this paper, cross-layer combining of an adaptive modulation-coding (AMC) scheme at the physical layer and the use of automatic repeat request (ARQ) retransmissions at the medium access control (MAC) layer is integrated into the design of scheduling for multi-user wireless networks. A class of scheduling algorithms capable of jointly collecting retransmission diversity and multi-user diversity are...
This paper studies delay properties of the well-known maximum weight scheduling algorithm in wireless ad hoc networks. We consider wireless networks with either one-hop or multihop flows. Specifically, this paper shows that the maximum weight scheduling algorithm achieves order optimal delay for wireless ad hoc networks with single-hop traffic flows if the number of activated links in one typical...
Detecting anomalies in network traffic is a challenging task, not only because of the inherent difficulty of identifying anomalies such as intrusions but also because of the sheer volume of data. In this paper, we attempt to extend existing work in the field of steganalysis to the problem of detecting anomalies in network traffic. By losslessly compressing network traffic using an adaptive compression...
IEEE 802.16m standard is defining several improvements on IEEE 802.16e standard, one of them being handover (HO). This paper provides a policy to satisfy IEEE 802.16m benchmark of 150 msec or less for a hard handover (HO) between two base stations (BSs). To facilitate such fast HO, the target BSs are chosen before HO is sought. Such choice is made based on previously acquired knowledge of human mobility...
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