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CISS
2008
IEEE
13 years 9 months ago
Cross-layer multicommodity capacity expansion on ad hoc wireless networks of cognitive radios
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
Alex Fridman, Steven Weber, Kapil R. Dandekar, Mos...
CONEXT
2008
ACM
13 years 9 months ago
TDM MAC protocol design and implementation for wireless mesh networks
We present the design, implementation, and evaluation of a Time Division Multiplex (TDM) MAC protocol for multihop wireless mesh networks using a programmable wireless platform. E...
Dimitrios Koutsonikolas, Theodoros Salonidis, Henr...
CPAIOR
2008
Springer
13 years 9 months ago
Amsaa: A Multistep Anticipatory Algorithm for Online Stochastic Combinatorial Optimization
The one-step anticipatory algorithm (1s-AA) is an online algorithm making decisions under uncertainty by ignoring future non-anticipativity constraints. It makes near-optimal decis...
Luc Mercier, Pascal Van Hentenryck
CSCLP
2008
Springer
13 years 9 months ago
Robust Solutions in Unstable Optimization Problems
We consider constraint optimization problems where costs (or preferences) are all given, but some are tagged as possibly unstable, and provided with a range of alternative values. ...
Maria Silvia Pini, Francesca Rossi, Kristen Brent ...
CSCW
2008
ACM
13 years 9 months ago
Cutting into collaboration: understanding coordination in distributed and interdisciplinary medical research
Coordinating goals, schedules, and tasks among collaborators is difficult, and made even more so when there are disciplinary, geographic and institutional boundaries that must be ...
Saeko Nomura, Jeremy P. Birnholtz, Oya Rieger, Gil...