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Rate 5/6 Trellis-coded 8-PSK (1986)

Wilson, S. G.

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Publication Date: 2011-08-19

Description: Some new short constraint length codes are described for satellite channels which are constant-envelope and which have spectral and energy efficiencies intermediate to other recent coded techniques, namely r = 2/3 coded 8-PSK and r = 3/4 coded 16-PSK. Two intervals of 8-PSK transmission are used to form a modulation base for r = 5/6 Trellis codes. A particularly attractive design is an eight-state code, producing 6.2 dB gain on the Gaussian channel over uncoded 8-PSK, yet sacrificing only 16 percent in spectral efficiency.

Keywords: COMMUNICATIONS AND RADAR

Type: IEEE Transactions on Communications (ISSN 0090-6778); Com-34; 1045-104

Format: text

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