Sciweavers

3319 search results - page 478 / 664
» The topology of dark networks
Sort
View
WONS
2005
IEEE
16 years 4 days ago
Context-Awareness for Impromptu Collaboration in MANETs
The growing diffusion of wireless-enabled portable devices and the recent advances in Mobile Ad-hoc NETworks (MANETs) open a new scenario where users can benefit from anywhere/any...
Dario Bottazzi, Antonio Corradi, Rebecca Montanari
KIVS
2005
Springer
16 years 2 days ago
From Location to Position Management: User Tracking for Location-based Services
: This paper compares traditional location management, which focuses on tracking mobile subscribers in the topology of a cellular network, with position management, which we defin...
Axel Küpper, Georg Treu
EUROPAR
2003
Springer
15 years 11 months ago
A Coordination Model for ad hoc Mobile Systems
The growing success of wireless ad hoc networks and portable hardware devices presents many interesting problems to software engineers. Particular, coordination is a challenging t...
Marco Tulio de Oliveira Valente, Fernando Magno Qu...
IWCMC
2010
ACM
15 years 11 months ago
Modulation-adaptive cooperation in Rayleigh fading channels with imperfect CSI
Adaptive modulation can improve the throughput of cooperative communications, which has been shown in previous research. So far the adaptive modulation is applied with respect to ...
Yuanyuan Zhang, Yi Ma, Rahim Tafazolli
SP
1997
IEEE
126views Security Privacy» more  SP 1997»
15 years 10 months ago
Filtering Postures: Local Enforcement for Global Policies
When packet filtering is used as a security mechanism, different routers may need to cooperate to enforce the desired security policy. It is difficult to ensure that they will d...
Joshua D. Guttman