Sciweavers

446 search results - page 83 / 90
» Convergence and rate of convergence of a simple ant model
Sort
View
INFOCOM
2006
IEEE
15 years 3 months ago
Cross-Layer Congestion Control, Routing and Scheduling Design in Ad Hoc Wireless Networks
Abstract— This paper considers jointly optimal design of crosslayer congestion control, routing and scheduling for ad hoc wireless networks. We first formulate the rate constrai...
Lijun Chen, Steven H. Low, Mung Chiang, John C. Do...
JMLR
2008
230views more  JMLR 2008»
14 years 9 months ago
Exponentiated Gradient Algorithms for Conditional Random Fields and Max-Margin Markov Networks
Log-linear and maximum-margin models are two commonly-used methods in supervised machine learning, and are frequently used in structured prediction problems. Efficient learning of...
Michael Collins, Amir Globerson, Terry Koo, Xavier...
MP
2002
176views more  MP 2002»
14 years 9 months ago
UOBYQA: unconstrained optimization by quadratic approximation
UOBYQA is a new algorithm for general unconstrained optimization calculations, that takes account of the curvature of the objective function, F say, by forming quadratic models by ...
M. J. D. Powell
RSA
2000
170views more  RSA 2000»
14 years 9 months ago
Delayed path coupling and generating random permutations
We analyze various stochastic processes for generating permutations almost uniformly at random in distributed and parallel systems. All our protocols are simple, elegant and are b...
Artur Czumaj, Miroslaw Kutylowski
ICC
2007
IEEE
104views Communications» more  ICC 2007»
15 years 4 months ago
Joint Design of Tx-Rx Beamformers in MIMO Downlink Channel
We consider a single-cell multiple-input multiple-output (MIMO) downlink channel where linear transmission and reception strategy is employed. The base station (BS) transmitter is...
Marian Codreanu, Antti Tölli, Markku J. Juntt...