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DCOSS
2006
Springer
13 years 10 months ago
GIST: Group-Independent Spanning Tree for Data Aggregation in Dense Sensor Networks
Abstract. Today, there exist many algorithms and protocols for constructing agregation or dissemination trees for wireless sensor networks that are optimal (for different notions o...
Lujun Jia, Guevara Noubir, Rajmohan Rajaraman, Rav...
DAGSTUHL
2004
13 years 7 months ago
Optimal Approximation of Elliptic Problems by Linear and Nonlinear Mappings
We study the optimal approximation of the solution of an operator equation A(u) = f by four types of mappings: a) linear mappings of rank n; b) n-term approximation with respect t...
Erich Novak, Stephan Dahlke, Winfried Sickel
CGF
2006
202views more  CGF 2006»
13 years 6 months ago
GPU-based Collision Detection for Deformable Parameterized Surfaces
Based on the potential of current programmable GPUs, recently several approaches were developed that use the GPU to calculate deformations of surfaces like the folding of cloth or...
Alexander Greß, Michael Guthe, Reinhard Klei...
COMCOM
2006
168views more  COMCOM 2006»
13 years 6 months ago
Relay node placement in large scale wireless sensor networks
Scalability and extended lifetime are two critical design goals of any large scale wireless sensor network. A two-tiered network model has been proposed recently for this purpose....
Jian Tang, Bin Hao, Arunabha Sen
CORR
2007
Springer
153views Education» more  CORR 2007»
13 years 6 months ago
Power-Bandwidth Tradeoff in Dense Multi-Antenna Relay Networks
— We consider a dense fading multi-user network with multiple active multi-antenna source-destination pair terminals communicating simultaneously through a large common set of K ...
Ozgur Oyman, Arogyaswami Paulraj