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ICC
2007
IEEE
160views Communications» more  ICC 2007»
14 years 2 months ago
Robust Statistics Based Expectation-Maximization Algorithm for Channel Tracking in OFDM Systems
— Decision directed channel tracking (DDCT) at high fade rates in OFDM based systems is addressed in this paper. Existing DDCT algorithms like the expectation-maximization (EM) a...
Sheetal Kalyani, Krishnamurthy Giridhar
JCM
2008
104views more  JCM 2008»
13 years 8 months ago
An OFDM Symbol Design for Reduced Complexity MMSE Channel Estimation
In this paper we revisit the minimum mean square error (MMSE) pilot-aided channel estimation for broadband orthogonal frequency division multiplexing (OFDM) systems. The careful de...
Carlos Ribeiro, Atílio Gameiro
ISCAS
2003
IEEE
120views Hardware» more  ISCAS 2003»
14 years 1 months ago
Combining adaptive smoothing and decision-directed channel estimation schemes for OFDM WLAN systems
In this paper, a new channel estimation method for OFDM WLAN systems is proposed. This proposal mainly consists of smoothing filtering and decision-directed tracking loop schemes,...
Hsuan-Yu Liu, Yi-Hsin Yu, Chien-Jen Hung, Temg-Yin...
ICRA
2009
IEEE
174views Robotics» more  ICRA 2009»
14 years 3 months ago
Range-only SLAM with a mobile robot and a Wireless Sensor Networks
— This paper presents the localization of a mobile robot while simultaneously mapping the position of the nodes of a Wireless Sensor Network using only range measurements. The ro...
Emanuele Menegatti, Andrea Zanella, Stefano Zilli,...