What is it about?
A telecommunication system uses carriers in order to transmit information through a cable or wirelessly. If each time only one carrier is transmitted, then the system’s signal will not be immune to frequency selective fading. If frequency selective fading includes the working frequency of the system, then the wireless link will not be established. Orthogonal frequency division multiplexing (OFDM) is the primary solution for coping with inter-signal interference and frequency-selective fading. Many carriers can be produced by splitting a fast information stream to slower data series. Different orthogonal frequencies carry slower data series. System’s performance can be further enhanced with the utilization of turbo codes. Turbo codes make the system more immune to noise effects with excellent BER results. This paper presents the thorough analysis of a turbo coded OFDM scheme using a PCCC technique in the presence of a channel which includes AWGN, phase noise, Rayleigh fading, Rician fading and Doppler shift.
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Why is it important?
his paper presents the thorough analysis of a turbo coded OFDM scheme using a PCCC technique in the presence of a channel which includes AWGN, phase noise, Rayleigh fading, Rician fading and Doppler shift.
Perspectives
The performance of the proposed system under active agent jammer is a target for future work. Specifically, the transmission’s performance will be thoroughly examined under multi-frequency jamming methods (e.g. Deceptive and Barrage Jamming).
Dr. Spyridon K. Chronopoulos
University of Ioannina, Dpt. of Physics
Read the Original
This page is a summary of: Performance of Turbo Coded OFDM Under the Presence of Various Noise Types, Wireless Personal Communications, August 2015, Springer Science + Business Media,
DOI: 10.1007/s11277-015-3055-1.
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