Efficiently managing coexistence is crucial for achieving high-quality wireless communication
in the Industrial, Scientific, and Medical (ISM) band where multiple wireless communication …

Accurate Spectrum Prediction is a promising solution to save sensing energy and time, it
also helps to increase throughput in cognitive radio systems. In this paper, we investigate the …

In this paper we proposed the use of Huffman coding to reduce the PAR of an OFDM system
as a distortionless scrambling technique, and we utilize the amount saved in the total bit …

The high Peak to Average power Ration (PAR) levels of Orthogonal Frequency Domain
Multiplexing (OFDM) signals forces to the utilization of linear power amplifiers. However, linear …

In OFDM systems, the combination of different signals with different phase and frequency
gives a large dynamic range that is used to be characterized by a high PAR, which results in …

Multi-carrier transmission, especially Orthogonal Frequency Division Multiplexing (OFDM),
has gained interest due to its advantageous properties for mobile radio channels. Obviously, …

Bioinformatics is the analysis of biological information using computers and statistical
techniques. This paper presents non-parametric spectral estimation techniques based on the …

OFDM suffer from a high peak-to-average ratio (PAR), caused by the addition of a large number
of independently modulated sub-carriers in parallel at the transmitter. When subjected to …

This paper investigates the use of Baker Map based Chaotic Interleaving as a preprocessing
Peak to Average Power Ratio (PAPR) reduction technique in OFDM based Cognitive Radio …

In this paper, the problem of reducing the peak to average power ratio (PAPR) in an Orthogonal
frequency division multiplexing (OFDM) system is considered. We propose the use of …