Artificial bee colony (ABC) algorithm is a swarm intelligence algorithm, which simulates the
foraging behavior of honeybees. It has been successfully applied to many optimization …

In underwater acoustic-orthogonal frequency division multiplexing (UWA-OFDM) systems,
the performance of channel estimation is significantly affected by pilot allocation in the …

Multi-input multi-output (MIMO) frameworks in blend with orthogonal frequency division
multiplexing (OFDM) have drawn huge consideration for the next generation broadband …

The OFDM-IDMA system is a new era in the wireless domain. It is affected by the MAI and
CFO effects. There are no specific CFO reduction techniques that have been identified as …

Turbo-Coded multiple-input multiple-output orthogonal frequency division multiplexing
Channel Estimation, using Chaotic Grey Wolf Optimizer and the Genetic Algorithm (TC …

Since the channel estimation performance is affected directly by the positions of pilot tones,
the optimization of pilot placement process known as having quite important role on …

Since the channel estimation performance is directly affected by the pilot positions, it has
been a major task in multicarrier transmission schemes to adjust the pattern of pilot …

Several input high‐data‐rate transmissions over broadband wireless channels are possible
using multiple input multiple output (MIMO) systems paired with orthogonal frequency …

OFDM is a powerful modulation technique that efficiently transmits high-speed digital data
over frequency-selective fading channels. It divides the signal into multiple subcarriers, each …

Compressed sensing (CS) technologies have been widely adopted to pilot-assisted
orthogonal frequency division multiplexing (OFDM) sparse channel estimation. However …