Optical communication has recently been given a great deal of attention because of its anticipated contribution in increasing our data transmission capability. δmax detection of Reed‐Solomon coded PPM (RSPPM) signaling has been seen as a reliable detection technique [1]. In this article we extend the application of this detection technique to the coded Steiner‐triple pulse format, which has recently proved its outstanding features [2, 3]. It is shown here that an improved performance (with respect to RSPPM), in addition to modest bandwidth expansion and efficient transmission bandwidth, are obtained.
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 bandpass type (BPNL), which introduces a nonlinear input-ampliutde to outputamplitude (AM-to-AM) distortion and nonlinear input-amplitude to outputphase (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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