Title :
Symbol interleaved parallel concatenated trellis coded modulation
Author :
Fragouli, Christine ; Wesel, Richard D.
Author_Institution :
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
Abstract :
This paper presents a method for efficient coding at high spectral efficiency using parallel concatenated trellis coded modulation (PCTCM) with symbol interleaving. The constituent encoders are optimized for symbol-wise free distance, and each has an infinite symbol-wise impulse response. In many cases of practical interest, the optimal structure for these constituent encoders connects the memory elements in a single row. Simulation results show that the performance is as close as 0.5 dB to the constrained capacity
Keywords :
concatenated codes; interleaved codes; optimisation; transient response; trellis coded modulation; PCTCM; constrained capacity; encoders; high spectral efficiency; infinite symbol-wise impulse response; memory elements; optimal structure; performance; simulation results; symbol interleaved parallel concatenated TCM; symbol-wise free distance; trellis coded modulation; Concatenated codes; Convolutional codes; Engineering profession; Guidelines; Interleaved codes; Iterative algorithms; Iterative decoding; Modulation coding; Turbo codes; Upper bound;
Conference_Titel :
Communication Theory Mini-Conference, 1999
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-5653-5
DOI :
10.1109/CTMC.1999.790234
