To make transportation safer, more efficient, and less harmful to the environment, traffic
telematics services are currently being intensely investigated and developed. Such services …

Orthogonal frequency division multiplexing (OFDM) has emerged as a promising modulation
scheme for underwater acoustic (UWA) communications, thanks to its robustness to …

Orthogonal frequency division multiplexing (OFDM) is a technique that will prevail in the next-
generation wireless communication. Channel estimation is one of the key challenges in …

We propose a novel pilot-aided algorithm for estimation of rapidly varying wireless channels
in OFDM systems. Our approach is specifically designed for channels varying on the scale of …

Partial transmit sequence (PTS) scheme is one of the most popular peak-to-average power
ratio (PAPR) reduction schemes for orthogonal frequency division multiplexing (OFDM) …

Orthogonal Frequency Division Multiplexing (OFDM) is a digital transmission method
developed to meet the increasing demand for higher data rates in communications which …

Channel estimation is an essential task in MIMO-OFDM systems for coherent demodulation
and data detection. Also designing pilot tones that affect the channel estimation performance …

This paper investigates a decode-and-forward two-hop relaying system consisting of one
source, one relay and one destination, in which orthogonal frequency division multiplexing …

Conventional communication systems have been implemented using digital signal
processors (DSPs) and/or field programmable gate arrays (FPGAs), especially for software …

The relay employs network coding to transmit the packets from the source nodes
simultaneously, for increasing spectral efficiency in wireless environments. The cooperative …