1. Bluetooth SIG groups. Specification of the Bluetooth system. Version 1.0, draft foundation, July 1999.
2. European Telecommunications Standards Institute. Digital European cordless telecommunication common interface. ETS 300175, 1992. See also: Ochsner, H.: Radio aspects of DECT. Proceedings of the 4th Nordic Seminar on Digital Mobile Radio Communications, paper 6.4, 1990.
3. , . Digital Phase Modulation. Plenum: New York, 1986.
4. GMSK Modulation for Digital Mobile Radio Telephony