Coded performance of a quaternary GMSK communication system

  • Authors:

  • Gee L. Lui;Kuang Tsai;Zhong Ye;Sam Dolinar;Kenneth Andrews

  • Affiliations:

  • The Areospace Corporation, El Segundo, California;The Areospace Corporation, El Segundo, California;Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California;Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California;Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California

  • Venue:
  • MILCOM'03 Proceedings of the 2003 IEEE conference on Military communications - Volume I
  • Year:
  • 2003

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Abstract

This paper investigates the performance of a coded quaternary Gaussian minimum shift keying (GMSK) signal with the Low Density Parity Check (LDPC) code. Performance simulation results for a frequency division multiple access (FDMA) communication system employing the LDPC-coded quaternary GMSK signal and an LDPC-coded QPSK signal are presented for a wide range of adjacent channel interference levels. It is shown that the LDPC-coded quaternary OMSK signal can have significant performance advantage over the LDPC-coded QPSK signal in an FDMA system with severe adjacent channel interference.