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ICASSP
2011
IEEE
12 years 11 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...
BROADNETS
2007
IEEE
14 years 1 months ago
Scheduling routing table calculations to achieve fast convergence in OSPF protocol
Fast convergence to topology changes is a key requirement in modern routing infrastructure while reducing the protocol CPU overhead continues to be as important as before. In this...
Mukul Goyal, Weigao Xie, Mohd Soperi, Seyed H. Hos...
ICNP
2005
IEEE
14 years 1 months ago
Stability and Sensitivity for Congestion Control in Wireless Networks with Time Varying Link Capacities
While extensive efforts have been devoted to providing optimization based, distributed congestion control schemes for efficient bandwidth utilization and fair allocation in both ...
Guohua Zhang, Yiyu Wu, Yonghe Liu
SIMPRA
2011
13 years 2 months ago
A real-time multigrid finite hexahedra method for elasticity simulation using CUDA
In this paper we present a GPU-based multigrid approach for simulating elastic deformable objects in real time. Our method is based on a finite element discretization of the defo...
Christian Dick, Joachim Georgii, Rüdiger West...
ICPPW
2009
IEEE
14 years 2 months ago
Fast Autotuning Configurations of Parameters in Distributed Computing Systems Using Ordinal Optimization
Conventional autotuning configuration of parameters in distributed computing systems using evolutionary strategies increases integrated performance notably, though at the expense ...
Fan Zhang, Junwei Cao, Lianchen Liu, Cheng Wu