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JSAC
2008
125views more  JSAC 2008»
13 years 8 months ago
Optimal Competitive Algorithms for Opportunistic Spectrum Access
We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter must...
Nicholas B. Chang, Mingyan Liu
JSW
2008
196views more  JSW 2008»
13 years 8 months ago
Providing Data Items with Time Constraints in Multi-Channel Broadcasting Environments
In a mobile computing system, users carrying portable devices can access database services from any location without requiring a fixed position in the networking environment. Some ...
Ding-Jung Chiang, Hwei-Jen Lin, Timothy K. Shih
JUCS
2008
145views more  JUCS 2008»
13 years 8 months ago
Ontoolcole: Supporting Educators in the Semantic Search of CSCL Tools
Abstract: Collaborative learning systems can be constructed following the serviceoriented computing paradigm. This allows educators to integrate external tools, offered as services...
Guillermo Vega-Gorgojo, Miguel L. Bote-Lorenzo, Ed...
PE
2008
Springer
173views Optimization» more  PE 2008»
13 years 8 months ago
Improving fairness in a WRED-based DiffServ network: A fluid-flow approach
The DiffServ architecture has been proposed as a scalable approach for upgrading the Internet, adding service differentiation functionalities. However, several aspects of this arc...
Mario Barbera, Alfio Lombardo, Giovanni Schembra, ...
NETWORK
2006
218views more  NETWORK 2006»
13 years 8 months ago
Quality of service for packet telephony over mobile ad hoc networks
IP telephony over mobile ad hoc networks is a topic of emerging interest in the research arena as one of the paths toward the fixed-mobile convergence in telecommunications networ...
Paolo Giacomazzi, Luigi Musumeci, Giuseppe Caizzon...