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COLCOM
2007
IEEE
16 years 26 days ago
A comparison of optimistic approaches to collaborative editing of Wiki pages
—Wikis, a popular tool for sharing knowledge, are basically collaborative editing systems. However, existing wiki systems offer limited support for co-operative authoring, and th...
Claudia-Lavinia Ignat, Gérald Oster, Pascal...
GLOBECOM
2007
IEEE
16 years 26 days ago
Interference Model for Cognitive Coexistence in Cellular Systems
Abstract—Cognitive radio is a key enabling technology of dynamic spectrum access for exploiting unused spectrum resources. This article focuses on modeling the opportunity for ce...
Theodoros Kamakaris, Didem Kivanc-Tureli, Uf Turel...
ICASSP
2007
IEEE
16 years 26 days ago
Flicker Suppression in JPEG2000 using Segmentation-Based Adjustment of Block Truncation Lengths
Flickering is a temporal visual artifact that affects compressed video. It is prominent in intra-frame video coders and is largely the result of content variations and quantizatio...
Athanasios Leontaris, Yoshihide Tonomura, Takayuki...
ICC
2007
IEEE
16 years 26 days ago
On the Risk-Based Operation of Mobile Attacks in Wireless Ad Hoc Networks
—In this paper we study the propagation of malicious software in wireless ad hoc networks under a probabilistic framework. We design topology control algorithms for the developme...
Vasileios Karyotis, Symeon Papavassiliou, Mary Gra...
ICC
2007
IEEE
140views Communications» more  ICC 2007»
16 years 26 days ago
Performance Analysis for Overlay Multicast on Tree and M-D Mesh Topologies
— Without the multicast support from the underlying networks, overlay multicast has the advantage of implementing inter-domain multicast communications. Usually, overlay multicas...
Wanqing Tu