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BROADNETS
2007
IEEE
14 years 3 months ago
Improving VoIP call capacity over IEEE 802.11 networks
— The expected VoIP call capacity in a one hop IEEE 802.11b network with G.711 voice codec is about 85 simultaneous calls, but the actual observed capacity is only 5 calls even a...
Yeonsik Jeong, Sandeep Kakumanu, Cheng-Lin Tsao, R...
CIKM
2010
Springer
13 years 7 months ago
Preserving location and absence privacy in geo-social networks
Online social networks often involve very large numbers of users who share very large volumes of content. This content is increasingly being tagged with geo-spatial and temporal c...
Dario Freni, Carmen Ruiz Vicente, Sergio Mascetti,...
VTC
2007
IEEE
121views Communications» more  VTC 2007»
14 years 3 months ago
Downlink Traffic Power Characterization for Multi-Rate Wireless CDMA Data Networks
— The characterization of downlink traffic power is an important issue for the design of efficient call admission control (CAC) and radio resource management (RRM) procedures. In...
Ashraf S. Hasan Mahmoud
MOBIHOC
2004
ACM
14 years 2 months ago
Market sharing games applied to content distribution in ad-hoc networks
In third generation (3G) wireless data networks, repeated requests for popular data items can exacerbate the already scarce wireless spectrum. In this paper we propose an architec...
Michel X. Goemans, Erran L. Li, Vahab S. Mirrokni,...
TPDS
2010
135views more  TPDS 2010»
13 years 7 months ago
Maximizing Service Reliability in Distributed Computing Systems with Random Node Failures: Theory and Implementation
—In distributed computing systems (DCSs) where server nodes can fail permanently with nonzero probability, the system performance can be assessed by means of the service reliabil...
Jorge E. Pezoa, Sagar Dhakal, Majeed M. Hayat