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ICASSP
2011
IEEE
13 years 1 months ago
On optimal channel training for uplink network MIMO systems
We study a multi-cell frequency-selective fading uplink channel from K user terminals (UTs) to B base stations (BSs). The BSs, assumed to be oblivious of the applied encoding sche...
Jakob Hoydis, Mari Kobayashi, Mérouane Debb...
INFOCOM
2011
IEEE
13 years 1 months ago
Construction of directional virtual backbones with minimum routing cost in wireless networks
—It is well-known that the application of directional antennas can help conserve bandwidth and energy consumption in wireless networks. Thus, to achieve efficiency in wireless n...
Ling Ding, Weili Wu, James Willson, Hongjie Du, Wo...
WIOPT
2011
IEEE
13 years 1 months ago
Open loop optimal control of base station activation for green networks
Abstract—In recent years there has been an increasing awareness that the deployment as well as utilization of new information technology may have some negative ecological impact....
Sreenath Ramanath, Veeraruna Kavitha, Eitan Altman
CEC
2010
IEEE
13 years 1 months ago
A hybrid genetic algorithm for rescue path planning in uncertain adversarial environment
— Efficient vehicle path planning in hostile environment to carry out rescue or tactical logistic missions remains very challenging. Most approaches reported so far relies on key...
Jean Berger, Khaled Jabeur, Abdeslem Boukhtouta, A...
AML
2011
221views Mathematics» more  AML 2011»
13 years 1 months ago
A remark on the tree property in a choiceless context
We show that the consistency of the theory “ZF + DC + Every successor cardinal is regular + Every limit cardinal is singular + Every successor cardinal satisfies the tree prope...
Arthur W. Apter