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CORR
2010
Springer
141views Education» more  CORR 2010»
15 years 2 months ago
Full vectoring optimal power allocation in xDSL channels under per-modem power constraints and spectral mask constraints
In xDSL systems, crosstalk can be separated into two categories, namely in-domain crosstalk and out-of-domain crosstalk. Indomain crosstalk is also refered to as self crosstalk. Ou...
Vincent Le Nir, Marc Moonen, Jan Verlinden, Mamoun...
CORR
2010
Springer
162views Education» more  CORR 2010»
15 years 2 months ago
Power Allocation Games in Wireless Networks of Multi-antenna Terminals
We consider wireless networks that can be modeled by multiple access channels in which all the terminals are equipped with multiple antennas. The propagation model used to account...
Elena Veronica Belmega, Samson Lasaulce, Mé...
ICDE
2010
IEEE
379views Database» more  ICDE 2010»
16 years 1 months ago
Osprey: Implementing MapReduce-Style Fault Tolerance in a Shared-Nothing Distributed Database
In this paper, we describe a scheme for tolerating and recovering from mid-query faults in a distributed shared nothing database. Rather than aborting and restarting queries, our s...
Christopher Yang, Christine Yen, Ceryen Tan, Samue...
CHI
2010
ACM
15 years 8 months ago
Social gravity: a virtual elastic tether for casual, privacy-preserving pedestrian rendezvous
We describe a virtual “tether” for mobile devices that allows groups to have quick, simple and privacy-preserving meetups. Our design provides cues which allow dynamic coordin...
John Williamson, Simon Robinson, Craig Stewart, Ro...
SIGMOD
2010
ACM
221views Database» more  SIGMOD 2010»
15 years 6 months ago
Low overhead concurrency control for partitioned main memory databases
Database partitioning is a technique for improving the performance of distributed OLTP databases, since “single partition” transactions that access data on one partition do no...
Evan P. C. Jones, Daniel J. Abadi, Samuel Madden