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VTC
2008
IEEE
129views Communications» more  VTC 2008»
16 years 1 months ago
Cooperative Communication in Space-Time-Frequency Coded MB-OFDM UWB
Abstract— Though cooperative communication has been intensively examined for general wireless systems, such as mobile and ad-hoc networks, it has been almost unexplored in the ca...
Le Chung Tran, Alfred Mertins, Tadeusz A. Wysocki
VTC
2008
IEEE
108views Communications» more  VTC 2008»
16 years 1 months ago
Discrete-Rate Adaptive Multiuser Scheduling for MIMO-OFDM Systems
Abstract— In this paper, we present a multiuser scheduling technique for the MIMO-OFDM system over multipath frequency-selective fading channels to exploit the multiuser, space a...
Mohammad Torabi, Wessam Ajib, David Haccoun
VTC
2008
IEEE
16 years 1 months ago
A Bit-Mapping Strategy for Joint Iterative Channel Estimation and Turbo-Decoding
Abstract— In this paper, we investigate Turbo-coded transmission over a temporally correlated flat Rayleigh fading channel. Conventionally, channel estimation is performed prior...
Susanne Godtmann, Helge Lüders, Gerd Ascheid,...
WCNC
2008
IEEE
16 years 1 months ago
Distributed Space-Frequency Coding over Amplify-and-Forward Relay Channels
Abstract— In this paper, the design of distributed spacefrequency codes (DSFCs) for wireless relay networks employing the amplify-and-forward (AAF) protocol is considered. The te...
Karim G. Seddik, K. J. Ray Liu
AH
2008
Springer
16 years 29 days ago
Guaranteeing the Correctness of an Adaptive Tutoring System
Abstract. This paper presents an approach to create adaptive web-based educative systems that can be automatically audited by means of standard web testing tools. The auditing tool...
Pilar Prieto Linillos, Sergio Gutiérrez San...