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NSDI
2010
15 years 3 months ago
Contracts: Practical Contribution Incentives for P2P Live Streaming
PPLive is a popular P2P video system used daily by millions of people worldwide. Achieving this level of scalability depends on users making contributions to the system, but curre...
Michael Piatek, Arvind Krishnamurthy, Arun Venkata...
ICASSP
2010
IEEE
15 years 2 months ago
HMM-based separation of acoustic transfer function for single-channel sound source localization
This paper presents a sound source (talker) localization method using only a single microphone, where a HMM (Hidden Markov Model) of clean speech is introduced to estimate the aco...
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
DAC
2007
ACM
16 years 2 months ago
Global Critical Path: A Tool for System-Level Timing Analysis
An effective method for focusing optimization effort on the most important parts of a design is to examine those elements on the critical path. Traditionally, the critical path is...
Girish Venkataramani, Mihai Budiu, Tiberiu Chelcea...
SIGSOFT
2003
ACM
16 years 2 months ago
Leveraging field data for impact analysis and regression testing
Software products are often released with missing functionality, errors, or incompatibilities that may result in failures, inferior performances, or user dissatisfaction. In previ...
Alessandro Orso, Taweesup Apiwattanapong, Mary Jea...
MOBIHOC
2009
ACM
16 years 2 months ago
Experimental characterization of sectorized antennas in dense 802.11 wireless mesh networks
Sectorized antennas can increase wireless network capacity through greater spatial reuse. Despite their increasing popularity, their real-world performance characteristics in dens...
Anand Prabhu Subramanian, Henrik Lundgren, Theodor...