The orthogonal frequency division multiplexing (OFDM) scheme is gaining interest in
broadband data communications for wireless communications because of its great immunity …

Orthogonal frequency division multiplexing (OFDM) is an effective technique for the future
3G communications because of its great immunity to impulse noise and intersymbol …

Orthogonal frequency division multiplexing (OFDM) has become a very popular method for
high data rate wireless communications because of its advantages over single carrier …

This paper presents a novel parametric channel estimation scheme for orthogonal frequency-
division multiplexing (OFDM) systems. In this scheme, two channel parameters, the number …

Channel estimation is a key issue to OFDM systems no matter for inter-carrier interference
cancellation or for symbol detection. The difficulty with a fast-fading OFDM channel lies in …

This paper presents a channel estimation scheme for orthogonal frequency division
multiplexing (OFDM) in fast varying Rayleigh channels. To estimate the current fading …

In this paper, we deal with channel estimation for orthogonal frequency-division multiplexing
(OFDM) systems. The channels are assumed to be time-varying (TV) and approximated by a …

A time-varying channel estimation method for orthogonal frequency division multiplexing
(OFDM) systems is presented. The presented channel estimation method employs two …

Orthogonal frequency division multiplexing (OFDM) has attracted a lot of attention because
of its high data rate, high spectrum efficiency and robustness against frequency-selective …

We present an improved channel estimation algorithm for orthogonal frequency-division
multiplexing mobile communication systems using pilot subcarriers. This algorithm is based …