PERFORMANCE EVALUATIONS AND COMPARISONS OF SEVERAL LDPC CODED MC-FH-CDMA SYSTEMS

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BEHROUZI H.; HAGHIGHAT J.; NASIRI KENARI M.; JAMALI SH.

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Journal: SCIENTIA IRANICA Year:2006 | Volume:13 | Issue:4 Page(s): 337-347

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Title

PERFORMANCE EVALUATIONS AND COMPARISONS OF SEVERAL LDPC CODED MC-FH-CDMA SYSTEMS

Author(s)

BEHROUZI H. | HAGHIGHAT J. | NASIRI KENARI M. | JAMALI SH. | Issue Writer Certificate

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Abstract

In this paper, the application of regular Low-Density Parity-Check (LDPC) codes in Multi- Carrier Frequency-Hopping (MC-FH) CDMA systems is studied. To this end, different well known constructions of regular LDPC codes are considered and the performance of LDPC coded MC-FH-CDMA systems, based on these constructions, are evaluated and compared in a frequency-selective slowly Rayleigh fading channel. These results are compared with those previously reported for super-orthogonal convolutionally coded MC-FH-CDMA systems. The simulation results indicate that the LDPC coded MC-FH-CDMA system significantly outperforms the uncoded and super-orthogonal convolutionally coded schemes. To alleviate the restrictions imposed by well known LDPC construction methods when applied to the coded MC-FH-CDMA system considered, a new semi-random construction is proposed and its performance is evaluated in the coded scheme. The simulation results indicate that this new construction substantially outperforms other well-known construction methods in the application considered.

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APA: Copy

BEHROUZI, H., HAGHIGHAT, J., NASIRI KENARI, M., & JAMALI, SH.. (2006). PERFORMANCE EVALUATIONS AND COMPARISONS OF SEVERAL LDPC CODED MC-FH-CDMA SYSTEMS. SCIENTIA IRANICA, 13(4), 337-347. SID. https://sid.ir/paper/289368/en

Vancouver: Copy

BEHROUZI H., HAGHIGHAT J., NASIRI KENARI M., JAMALI SH.. PERFORMANCE EVALUATIONS AND COMPARISONS OF SEVERAL LDPC CODED MC-FH-CDMA SYSTEMS. SCIENTIA IRANICA[Internet]. 2006;13(4):337-347. Available from: https://sid.ir/paper/289368/en

IEEE: Copy

H. BEHROUZI, J. HAGHIGHAT, M. NASIRI KENARI, and SH. JAMALI, “PERFORMANCE EVALUATIONS AND COMPARISONS OF SEVERAL LDPC CODED MC-FH-CDMA SYSTEMS,” SCIENTIA IRANICA, vol. 13, no. 4, pp. 337–347, 2006, [Online]. Available: https://sid.ir/paper/289368/en

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