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CORR
2008
Springer
152views Education» more  CORR 2008»
13 years 9 months ago
Characterizing User Mobility in Second Life
In this work we present a measurement study of user mobility in Second Life. We first discuss different techniques to collect user traces and then focus on results obtained using ...
Chi-Anh La, Pietro Michiardi
CORR
2008
Springer
98views Education» more  CORR 2008»
13 years 9 months ago
Sparse Recovery by Non-convex Optimization -- Instance Optimality
In this note, we address the theoretical properties of p, a class of compressed sensing decoders that rely on p minimization with p (0, 1) to recover estimates of sparse and compr...
Rayan Saab, Özgür Yilmaz
CORR
2007
Springer
126views Education» more  CORR 2007»
13 years 9 months ago
Optimal Throughput-Diversity-Delay Tradeoff in MIMO ARQ Block-Fading Channels
In this paper, we consider an automatic-repeat-request (ARQ) retransmission protocol signaling over a block-fading multiple-input, multiple-output (MIMO) channel. Unlike previous ...
Allen Chuang, Albert Guillen i Fabregas, Lars K. R...
CORR
2007
Springer
77views Education» more  CORR 2007»
13 years 9 months ago
The Multiobjective Optimization of a Prismatic Drive
The multiobjective optimization of Slide-o-Cam is reported in this paper. Slide-o-Cam is a cam mechanism with multiple rollers mounted on a common translating follower. This trans...
Emilie Bouyer, Stéphane Caro, Damien Chabla...
CORR
2007
Springer
122views Education» more  CORR 2007»
13 years 9 months ago
How to Complete a Doubling Metric
In recent years, considerable advances have been made in the study of properties of metric spaces in terms of their doubling dimension. This line of research has not only enhanced...
Anupam Gupta, Kunal Talwar