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GLOBECOM
2006
IEEE
16 years 21 days ago
A Novel Prior Knowledge Based ML Channel Estimator for Coherent IR-UWB Systems
Abstract— Channel estimation and synchronization are crucial problems in coherent Ultra wideband (UWB) systems. We develop a new channel estimation scheme that can further improv...
Lei Zhou, Shidong Zhou, Yan Yao
GLOBECOM
2006
IEEE
16 years 21 days ago
Sensor Localization from WLS Optimization with Closed-form Gradient and Hessian
— A non-parametric, low-complexity algorithm for accurate and simultaneous localization of multiple sensors from scarce and imperfect ranging information is proposed. The techniq...
Giuseppe Destino, Giuseppe Thadeu Freitas de Abreu
VTC
2006
IEEE
206views Communications» more  VTC 2006»
16 years 20 days ago
BER Performance Improvement with Joint Angle-Delay-Polarization Estimation of Multipath Channel Parameters
Abstract— In mobile telecommunications, the quality of demodulation is strongly impacted by channel estimation. The Joint Angle, Delay and Polarization Estimation (JADPE) problem...
Cristian Tohanean, José Picheral
VTC
2006
IEEE
16 years 20 days ago
An Initial Timing Offset Estimation Method for OFDM Systems in Rayleigh Fading Channel
- An initial timing offset estimation method for orthogonal frequency-division multiplexing (OFDM) systems is proposed. Conventional preamble-based synchronization methods result i...
Seung Duk Choi, Jung Min Choi, Jae Hong Lee
ISPD
2006
ACM
103views Hardware» more  ISPD 2006»
16 years 19 days ago
High accurate pattern based precondition method for extremely large power/ground grid analysis
In this paper, we propose more accurate power/ground network circuit model, which consider both via and ground bounce effects to improve the performance estimation accuracy of on-...
Jin Shi, Yici Cai, Sheldon X.-D. Tan, Xianlong Hon...