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GLOBECOM
2006
IEEE
16 years 1 months 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
160
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VTC
2006
IEEE
16 years 1 months 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
VTC
2006
IEEE
16 years 1 months ago
Performance Analysis for a Two-Ring Distributed MIMO-OFDM System
Distributed MIMO technology is an effective way of dealing with the inter-cell interference problem in single frequency wireless communication networks. This paper studies the gene...
Xiaolin Zhou, Himal A. Suraweera, Jean Armstrong
ETFA
2005
IEEE
16 years 26 days ago
LEF closed-loop scheduling policy for real-time control systems
Today there is a significant body of results of resource management in real-time systems. However, most of them are based on "open-loop" strategies and techniques that do...
J. Yepez, Pau Martí, J. Ayza, Josep M. Fuer...
CONTEXT
2001
Springer
15 years 11 months ago
Practical Context Transformation for Information System Interoperability
This paper discusses the use of contextual reasoning, i.e. context transformation for achieving semantic interoperability in heterogeneous information systems. We introduce termino...
Holger Wache, Heiner Stuckenschmidt