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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 1 months 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...