PERFORMANCE ANALYSIS OF 16-ary-OFFSET QAM SIGNALS THROUGH SATELLITE NONLINEAR CHANNELS
EL ZANFALLY, R., MAHROUS, S., EL MOGAZY, A., ELMANSY, F., RASLAN, N. (1987). PERFORMANCE ANALYSIS OF 16-ary-OFFSET QAM SIGNALS THROUGH SATELLITE NONLINEAR CHANNELS. EKB Journal Management System, 2(A.S.A.T. CONFERENCE 21-23 April 1987 , CAIRO), 1083-1095. doi: 10.21608/asat.1987.26205
R. H. EL ZANFALLY; S. MAHROUS; A. EL MOGAZY; F. ELMANSY; N. A. RASLAN. "PERFORMANCE ANALYSIS OF 16-ary-OFFSET QAM SIGNALS THROUGH SATELLITE NONLINEAR CHANNELS". EKB Journal Management System, 2, A.S.A.T. CONFERENCE 21-23 April 1987 , CAIRO, 1987, 1083-1095. doi: 10.21608/asat.1987.26205
EL ZANFALLY, R., MAHROUS, S., EL MOGAZY, A., ELMANSY, F., RASLAN, N. (1987). 'PERFORMANCE ANALYSIS OF 16-ary-OFFSET QAM SIGNALS THROUGH SATELLITE NONLINEAR CHANNELS', EKB Journal Management System, 2(A.S.A.T. CONFERENCE 21-23 April 1987 , CAIRO), pp. 1083-1095. doi: 10.21608/asat.1987.26205
EL ZANFALLY, R., MAHROUS, S., EL MOGAZY, A., ELMANSY, F., RASLAN, N. PERFORMANCE ANALYSIS OF 16-ary-OFFSET QAM SIGNALS THROUGH SATELLITE NONLINEAR CHANNELS. EKB Journal Management System, 1987; 2(A.S.A.T. CONFERENCE 21-23 April 1987 , CAIRO): 1083-1095. doi: 10.21608/asat.1987.26205

PERFORMANCE ANALYSIS OF 16-ary-OFFSET QAM SIGNALS THROUGH SATELLITE NONLINEAR CHANNELS

International Conference on Aerospace Sciences and Aviation Technology
Article 46, Volume 2, A.S.A.T. CONFERENCE 21-23 April 1987 , CAIRO, April 1987, Page 1083-1095  XML PDF (2.11 MB)
Document Type: Original Article
DOI: 10.21608/asat.1987.26205
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Authors
R. H. EL ZANFALLY1; S. MAHROUS2; A. EL MOGAZY3; F. ELMANSY3; N. A. RASLAN1
1Elect. Eng. Dept., Military Technical College, Cairo, Egypt.
2Computer & Electronics Dept., Ain - Shams Unversity, Cairo, Egypt.
3Communication Dept., M.T.C. Cairo, Egypt.
Abstract
An expression is derived for numerical computation of the symbol error probability of 16-ary offset quadrature amplitude modulation with sinusoidal shaping (16-ary offset-QAM). The channel considered here is a nonlinear satellite channel with additive Gaussian noise (AGN) in both up-link and down-link. The main source of the nonlinear distortion in two-link satellite channels is the travelling wave tube (TWT) power amplifier on-board of the satellite. The transponder nonlinearity considered in this paper is of the band-pass type (BPNL), which introduces a nonlinear input-ampliutde to output-amplitude (AM-to-AM) distortion and nonlinear input-amplitude to output-phase (AM-to-PM) distortion . Finally, a comparative study of 16-ary QAM and 16-ary offset QAM with sinusoidal shaping is performed with the BPNL operated at various levels of back-off from saturation.

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