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GLOBECOM
2006
IEEE
16 years 14 days ago
Two Novel Iterative Joint Frequency-Offset and Channel Estimation Methods for OFDMA Uplink
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
Xiaoyu Fu, Hlaing Minn, Cyrus D. Cantrell
GLOBECOM
2006
IEEE
16 years 14 days ago
Non-Linear Precoding for OFDM Systems in Spatially-Correlated Frequency-Selective Fading MIMO Channels
— This paper presents non-linear precoding design in closed-loop multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) over spatiallycorrelated,...
Yu Fu, Witold A. Krzymien, Chintha Tellambura
GLOBECOM
2006
IEEE
16 years 14 days ago
Disjoint Multipath Routing in Dual Homing Networks using Colored Trees
Abstract— Wireless sensor networks (WSNs) employed in monitoring applications require data collected by the sensors to be deposited at specific nodes, referred to as drains. To ...
Preetha Thulasiraman, Srinivasan Ramasubramanian, ...
HPDC
2006
IEEE
16 years 14 days ago
Resource Availability Prediction in Fine-Grained Cycle Sharing Systems
Fine-Grained Cycle Sharing (FGCS) systems aim at utilizing the large amount of computational resources available on the Internet. In FGCS, host computers allow guest jobs to utili...
Xiaojuan Ren, Seyong Lee, Rudolf Eigenmann, Saurab...
ICDM
2006
IEEE
145views Data Mining» more  ICDM 2006»
16 years 14 days ago
Stability Region Based Expectation Maximization for Model-based Clustering
In spite of the initialization problem, the ExpectationMaximization (EM) algorithm is widely used for estimating the parameters in several data mining related tasks. Most popular ...
Chandan K. Reddy, Hsiao-Dong Chiang, Bala Rajaratn...