Sparse multipath channels: Modeling and estimation

WU Bajwa, A Sayeed, R Nowak - 2009 IEEE 13th Digital …, 2009 - ieeexplore.ieee.org
Multipath signal propagation is the defining characteristic of terrestrial wireless channels.
Virtually all existing statistical models for wireless channels are implicitly based on the …

SMACK: a SMart ACKnowledgment scheme for broadcast messages in wireless networks

A Dutta, D Saha, D Grunwald, D Sicker - Proceedings of the ACM …, 2009 - dl.acm.org
Network protocol designers, both at the physical and network level, have long considered
interference and simultaneous transmission in wireless protocols as a problem to be …

Performance evaluation of V2V/V2I communications: The effect of midamble insertion

W Cho, SI Kim, H kyun Choi, HS Oh… - 2009 1st International …, 2009 - ieeexplore.ieee.org
In vehicular communications, the channel estimation is critical to compensate signal
distortion due to wireless channel in high mobility scenario. To improve the error …

Preamble-based SNR estimation in frequency selective channels for wireless OFDM systems

M Zivkovic, R Mathar - VTC Spring 2009-IEEE 69th Vehicular …, 2009 - ieeexplore.ieee.org
Orthogonal frequency division multiplexing (OFDM) offers high data rates and robust
performance in frequency selective channels by link adaptation utilizing information about …

[PDF][PDF] A fast LMMSE channel estimation method for OFDM systems

W Zhou, WH Lam - EURASIP Journal on Wireless Communications and …, 2009 - Springer
A fast linear minimum mean square error (LMMSE) channel estimation method has been
proposed for Orthogonal Frequency Division Multiplexing (OFDM) systems. In comparison …

SVD-based MIMO precoding and equalization schemes for realistic channel knowledge: Design criteria and performance evaluation

H Busche, A Vanaev, H Rohling - Wireless Personal Communications, 2009 - Springer
Multiple-input multiple-output (MIMO) based communication systems with precoding, bit-
loading and equalization procedures are considered in this paper. Applications of precoding …

Neural network based MIMO-OFDM channel equalizer using comb-type pilot arrangement

SJ Nawaz, S Mohsin, AA Ikaram - … International Conference on …, 2009 - ieeexplore.ieee.org
MIMO (Multiple Input Multiple Output) and OFDM (Orthogonal frequency division
multiplexing) bringing along a number of pros; a combination of both stands a good …

Artificial neural network channel estimation based on levenberg-marquardt for OFDM systems

C Çiflikli, AT Özşahin, AÇ Yapici - Wireless personal communications, 2009 - Springer
The many advantages responsible for the widespread application of orthogonal frequency
division multiplexing (OFDM) systems are limited by the multipath fading. In OFDM systems …

Channel estimation for lte downlink

A Mehmood, WA Cheema - 2009 - diva-portal.org
Abstract 3GPP LTE is the evolution of the UMTS in response to ever-increasing demands for
high quality multimedia services according to users' expectations. Since downlink is always …

Robust MC-CDMA-based fingerprinting against time-varying collusion attacks

BH Cha, CCJ Kuo - IEEE Transactions on Information …, 2009 - ieeexplore.ieee.org
The design of robust fingerprinting systems for traitor tracing against time-varying collusion
attacks in protecting continuous media, such as audio and video, is investigated in this …