<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents a new noise immunity encoding/decoding technique by using the features of triple correlation and bispectrum widely employed in digital signal processing systems operating in noise environments. The triple correlation-and bispectrum-based encoding/decoding algorithm is tested for a digital radio telecommunications binary frequency shift keying system. The errorless decoding probability was analyzed by means of computer simulation for the transmission and reception of a test message in a radio channel disturbed by both additive white Gaussian noise (AWGN) and a mixture of an AWGN and an impulsive noise. Computer simulation results obtained for varying and less than unity signal-to-noise ratios at the demodulator input demonstrate a considerable improvement in the noise immunity of the technique suggested in comparison with the traditional redundant linear block encoding/decoding technique.</p></abstract>

This paper presents a new noise immunity encoding/decoding technique by using the features of triple correlation and bispectrum widely employed in digital signal processing systems operating in noise environments. The triple correlation-and bispectrum-based encoding/decoding algorithm is tested for a digital radio telecommunications binary frequency shift keying system. The errorless decoding probability was analyzed by means of computer simulation for the transmission and reception of a test message in a radio channel disturbed by both additive white Gaussian noise (AWGN) and a mixture of an AWGN and an impulsive noise. Computer simulation results obtained for varying and less than unity signal-to-noise ratios at the demodulator input demonstrate a considerable improvement in the noise immunity of the technique suggested in comparison with the traditional redundant linear block encoding/decoding technique.

Application of Triple Correlation and Bispectrum for Interference Immunity Improvement in Telecommunications Systems

National Aerospace University, Chkalova Str. 17, 61070, Kharkov, Ukraine

Department of Transmitters, Receivers and Signal Processing, National Aerospace University, Chkalova Str. 17, 61070, Kharkov, Ukraine

International Journal of Applied Mathematics and Computer Science

This paper presents a new noise immunity encoding/decoding technique by using the features of triple correlation and bispectrum widely employed in digital...

Application of Triple Correlation and Bispectrum for Interference Immunity Improvement in Telecommunications Systems

Published Online: Oct 06, 2008

Page range: 361 - 367

DOI: https://doi.org/10.2478/v10006-008-0032-9

Keywords
telecommunications, frequency shift keying, redundant encoding, triple correlation, bispectrum

This content is open access.

Application of Triple Correlation and Bispectrum for Interference Immunity Improvement in Telecommunications Systems

Published Online: Oct 06, 2008

Page range: 361 - 367

DOI: https://doi.org/10.2478/v10006-008-0032-9

Keywordstelecommunications, frequency shift keying, redundant encoding, triple correlation, bispectrum

This content is open access.

Keywords
telecommunications, frequency shift keying, redundant encoding, triple correlation, bispectrum