Title :
Convolutional coding for a phase modulated FCMA system
Author :
Boreli, Roksana ; Yates, K.W.
Author_Institution :
Telstra Corp., Sydney, NSW, Australia
Abstract :
The paper investigates the benefits of non-binary convolutional coding applied to a phase modulated frequency comb multiple access (PFCMA) system. PFCMA is a novel multiple access technique proposed for very small aperture terminal (VSAT) satellite communications networks which encompasses multi-tone transmission with spread spectrum techniques. Previous work (Boreli and Yates, 1993) analysed the PFCMA error performance and indicated a need for error correction coding in order to improve the power efficiency. Non-binary convolutional codes with matching symbol size were chosen to fully exploit the benefits of soft decision decoding. The present authors present a study of coded system performance and illustrate it with a number of examples
Keywords :
VSAT networks; Viterbi decoding; convolutional codes; error correction codes; multi-access systems; spread spectrum communication; PFCMA; VSAT; coded system performance; error correction coding; multiple access technique; multitone transmission; nonbinary convolutional coding; phase modulated FCMA system; phase modulated frequency comb multiple access; soft decision decoding; spread spectrum technique; symbol size; very small aperture terminal satellite communications network; Apertures; Convolutional codes; Error analysis; Error correction; Error correction codes; Frequency; Performance analysis; Phase modulation; Satellite communication; Spread spectrum communication;
Conference_Titel :
Spread Spectrum Techniques and Applications, 1994. IEEE ISSSTA '94., IEEE Third International Symposium on
Conference_Location :
Oulu
Print_ISBN :
0-7803-1750-5
DOI :
10.1109/ISSSTA.1994.379579
