Technical Articles complementing the books mentioned on the homepage
- The 900 MHz spectrum allocation (to be defined)
- Hagen October 1988 Seminar documentation
- Pan-European Speech Coding Strandard for Digital Mobile Radio by Jon Natvig in ‚Speech Coding‘ July 1988
- The 1987 European Speech Coding Championship by Jon Emil Natvig published 2004
- The GSM Full Rate Codec: A first description by Peter Vary et al. is contained in the Hagen seminar documentation (see above). The first international technical publication by Peter Vary et al. appeared in ICASSP 1988 conference