This paper proposes a new blind channel estimation method for orthogonal frequency
division multiplexing (OFDM) systems. The algorithm makes use of the redundancy …

The purpose of this book is to introduce the reader to most advanced topics of (i) wireless
communications,(ii) free-space optical (FSO) communications,(iii) indoor optical wireless …

Novel blind channel estimators based on the finite alphabet property of information symbols
are derived in this paper for OFDM and related multicarrier code-division multiple access …

In this paper, we consider soft decision directed channel estimation for turbo equalization.
To take advantage of soft information provided by the decoder, a minimum mean square …

In this work, we discuss techniques for coherently detecting turbo coded orthogonal
frequency division multiplexed (OFDM) signals, transmitted through frequency selective …

Orthogonal Frequency Division Multiplexing has become a key element of todays wireless
communication systems. However, its sensitivity to oscillator phase noise is responsible for …

In this paper, the joint time-frequency domain channel estimation problem in orthogonal
frequency-division multiplexing (OFDM) wireless communication systems is transformed to a …

Techniques are described for multicarrier multiple access wireless transmission, eg
orthogonal frequency-division multiple access (OFDMA) transmissions, over frequency …

This paper considers semiblind channel estimation and data detection for orthogonal
frequency-division multiplexing (OFDM) over frequency-selective fading channels. We show …

In this paper, a novel OFDM-CDMA system with joint time-frequency spreading methods is
proposed. The average bit error probability of the proposed system using maximum-ratio …