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http://dx.doi.org/10.5140/JASS.2010.27.3.221

Simple Signal Detection Algorithm for 4+12+16 APSK in Satellite and Space Communications  

Lee, Jae-Yoon (Dept. of Electronics and Communications Engineering, Hanyang Univ.)
Yoon, Dong-Weon (Dept. of Electronics and Communications Engineering, Hanyang Univ.)
Hyun, Kwang-Min (Dept. of Information and Telecommunication Engineering, Gangneung-Wonju National Univ.)
Publication Information
Journal of Astronomy and Space Sciences / v.27, no.3, 2010 , pp. 221-230 More about this Journal
Abstract
A 4+12+16 amplitude phase shift keying (APSK) modulation outperforms other 32-APSK modulations in a nonlinear additive white Gaussian noise (AWGN) channel because of its intrinsic robustness against AM/AM and AM/PM distortions caused by the nonlinear characteristics of a high-power amplifier. Thus, this modulation scheme has been adopted in the digital video broadcasting-satellite2 European standard. And it has been considered for high rate transmission of telemetry data on deep space communications in consultative committee for space data systems which provides a forum for discussion of common problems in the development and operation of space data systems. In this paper, we present an improved bits-to-symbol mapping scheme with a better bit error rate for a 4+12+16 APSK signal in a nonlinear AWGN channel and propose a simple signal detection algorithm for the 4+12+16 APSK from the presented bit mapping.
Keywords
non-linearity; high-power amplifier; 4+12+16 amplitude phase shift keying; bit error rate;
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  • Reference
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