Title :
Optimized signal constellations for trellis-coded modulation on AWGN channels
Author :
Der Vleuten, Rene J van ; Weber, Jos H.
Author_Institution :
Dept. of Electr. Eng., Delft Univ. of Technol., Netherlands
fDate :
6/1/1996 12:00:00 AM
Abstract :
Previously, performance gains over Ungerboeck type trellis-coded modulation schemes were obtained by optimizing (by hand) the signal constellation. Using genetic algorithms and simulated annealing, we have found additional cases with performance gains over the Ungerboeck type schemes
Keywords :
Gaussian channels; genetic algorithms; simulated annealing; trellis coded modulation; AWGN channels; genetic algorithms; performance; signal constellations; simulated annealing; trellis-coded modulation; AWGN channels; Amplitude modulation; Constellation diagram; Convolutional codes; Genetic algorithms; Performance gain; Phase shift keying; Pulse modulation; Quadrature amplitude modulation; Simulated annealing;
Journal_Title :
Communications, IEEE Transactions on
