@INPROCEEDINGS {822,
author={P. Sebastião and F. Cercas and A. Cartaxo},
booktitle={IEEE International Symp. on Personal, Indoor and Mobile Radio Commun  - PIMRC},
title={Performance of TCH codes in a land mobile satellite channel},
year={2002},
month={September},
volume={4},
pages={1675-1679} 
}