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GLOBECOM
2008
IEEE
16 years 1 months ago
A Theoretical Model of the Effects of Losses and Delays on the Performance of SIP
—The Session Initiation Protocol (SIP) is widely used for VoIP communication. Losses caused by network or server overload would cause retransmissions and delays in the session es...
Dorgham Sisalem, Mikkel Liisberg, Yacine Rebahi
ICC
2007
IEEE
157views Communications» more  ICC 2007»
16 years 26 days ago
Performance Evaluation of Quality of VoIP Service Over UMTS-UTRAN R99
Release99 of UMTS (Universal Mobile Telecommunication System) network supports conversational services by means of UTRAN (Universal Terrestrial Radio Access Network) Dedicated tran...
Andrea Barbaresi, Andrea Mantovani
VTC
2007
IEEE
162views Communications» more  VTC 2007»
16 years 24 days ago
Improving Vertical Handover Performance with PHY-Mode Recommendations Based on Localized Link State Measurements
— Cooperation amongst heterogeneous mobile radio systems will be an indispensable feature of ‘beyond 3G’. One key mechanism thereby serving as enabling technique for system i...
Daniel Bültmann, Matthias Siebert, Jijun Luo
ANSS
2006
IEEE
16 years 18 days ago
Performance Enhancement by Eliminating Redundant Function Execution
Programs often call the same function with the same arguments, yielding the same results. We call this phenomenon, “function reuse”. Previously, we have shown such a behavior ...
Peng Chen, Krishna M. Kavi, Robert Akl
ICDCS
2006
IEEE
16 years 17 days ago
A Locality-Aware Cooperative Cache Management Protocol to Improve Network File System Performance
In a distributed environment the utilization of file buffer caches in different clients may vary greatly. Cooperative caching is used to increase cache utilization by coordinatin...
Song Jiang, Fabrizio Petrini, Xiaoning Ding, Xiaod...