Physical layer security techniques have emerged as promising candidates in order to
achieve perfect secrecy in wireless communication systems. In this framework, an approach …

In this paper, we propose an efficient preamble design based on comb-type pilots (CTP) for
channel estimation in filter bank multicarrier with offset quadrature amplitude modulation …

In mobile-to-mobile channels, the Doppler shift is affected by mobile terminal velocities of
the transmitter and the receiver end. Hence, the Doppler frequency becomes very high if …

Receiver and method in a receiver, for iterative channel estimation and data decoding of
signals received from a radio network node, located in a wireless communication network …

This paper investigates a new pedestrian speed estimation method for OFDM systems.
Correlation coefficients are calculated from the wideband channel frequency response and …

In the next generation wireless systems, it's quite likely that a large number of user terminals
are not able to transmit and/or receive over the entire system bandwidth, as much wider …

The Global Positioning System (GPS) is a satellite-based location system, which is widely
used for location determination, navigation and time synchronization. Because GPS signals …

In this work, a novel maximum Doppler spread estimation algorithm is specifically designed
for Lattice-OFDM (LOFDM) systems with the optimal 2D cluster pilot pattern in doubly …

Sažetak Improvement on Inter Carrier Interference (ICI) mitigation techniques for OFDM
caused by Doppler effects through minimizing channel estimation error and decreasing …

The maximum Doppler spread, or equivalently, the mobile speed, is a measure of the
spectral dispersion of mobile fading channel. Accurate estimation of the maximum Doppler …